deps: update jackson to 3.0.0-rc5

Migrate packages from com.fasterxml.jackson to tools.jackson, adjust
exception handling and remove JSR310 module and replace with new
JavaTimeFeature flags.

.github/workflows/ci-it.yml

@@ -14,11 +14,11 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        jdk: [ 11, 17, 21 ]
-        vault: [ '1.2.0', '1.19.5' ]
+        jdk: [ 17, 21 ]
+        vault: [ '1.2.0', '1.20.0' ]
         include:
           - jdk: 21
-            vault: '1.19.5'
+            vault: '1.20.0'
             analysis: true
     steps:
       - name: Checkout

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        jdk: [ 11, 17, 21 ]
+        jdk: [ 17, 21 ]
         include:
           - jdk: 21
             analysis: true

CHANGELOG.md

@@ -1,3 +1,19 @@
+## unreleased
+
+### Breaking
+* Requires Java 17 or later (#100)
+* Required Jackson 3
+
+### Dependencies
+* Updated Jackson to 3.0.0
+
+### Fix
+* Use `Long` for numeric TTL fields (#103) (#104)
+
+### Test
+* Tested against Vault 1.2 to 1.20 (#102)
+
+
 ## 1.5.1 (2025-06-02)
 
 ### Improvements

README.md

@@ -32,7 +32,7 @@ Java Vault Connector is a connector library for [Vault](https://www.vaultproject
     * Database secret handling
 * Transit API support
 * Connector Factory with builder pattern
-* Tested against Vault 1.2 to 1.19
+* Tested against Vault 1.2 to 1.20
 
 
 ## Maven Artifact

pom.xml

@@ -4,7 +4,7 @@
 
     <groupId>de.stklcode.jvault</groupId>
     <artifactId>jvault-connector</artifactId>
-    <version>1.5.1</version>
+    <version>2.0.0-SNAPSHOT</version>
 
     <packaging>jar</packaging>
 
@@ -33,7 +33,7 @@
         <connection>scm:git:git://github.com/stklcode/jvaultconnector.git</connection>
         <developerConnection>scm:git:git@github.com:stklcode/jvaultconnector.git</developerConnection>
         <url>https://github.com/stklcode/jvaultconnector</url>
-        <tag>v1.5.1</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <issueManagement>
@@ -43,26 +43,20 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <project.build.outputTimestamp>2025-06-02T14:59:15Z</project.build.outputTimestamp>
         <argLine />
     </properties>
 
     <dependencies>
         <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
+            <groupId>tools.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-             <version>2.19.0</version>
-        </dependency>
-        <dependency>
-            <groupId>com.fasterxml.jackson.datatype</groupId>
-            <artifactId>jackson-datatype-jsr310</artifactId>
-            <version>2.19.0</version>
+             <version>3.0.0-rc5</version>
         </dependency>
 
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter</artifactId>
-            <version>5.13.0</version>
+            <version>5.13.2</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -80,7 +74,7 @@
         <dependency>
             <groupId>org.wiremock</groupId>
             <artifactId>wiremock</artifactId>
-            <version>3.13.0</version>
+            <version>3.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -92,7 +86,7 @@
         <dependency>
             <groupId>nl.jqno.equalsverifier</groupId>
             <artifactId>equalsverifier</artifactId>
-            <version>3.19.4</version>
+            <version>4.0.4</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -111,13 +105,13 @@
                     <artifactId>maven-compiler-plugin</artifactId>
                     <version>3.14.0</version>
                     <configuration>
-                        <release>11</release>
+                        <release>17</release>
                     </configuration>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-clean-plugin</artifactId>
-                    <version>3.4.1</version>
+                    <version>3.5.0</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
@@ -131,7 +125,7 @@
                     <configuration>
                         <argLine>
                             @{argLine}
-                            --add-opens de.stklcode.jvault.connector/de.stklcode.jvault.connector.test=com.fasterxml.jackson.databind
+                            --add-opens de.stklcode.jvault.connector/de.stklcode.jvault.connector.test=tools.jackson.databind
                         </argLine>
                     </configuration>
                 </plugin>
@@ -168,8 +162,7 @@
                             --add-opens de.stklcode.jvault.connector/de.stklcode.jvault.connector.model=ALL-UNNAMED
                             --add-opens de.stklcode.jvault.connector/de.stklcode.jvault.connector.model.response=ALL-UNNAMED
                             --add-opens de.stklcode.jvault.connector/de.stklcode.jvault.connector.model.response.embedded=ALL-UNNAMED
-                            --add-opens de.stklcode.jvault.connector/de.stklcode.jvault.connector.test=com.fasterxml.jackson.databind
-                            --add-opens de.stklcode.jvault.connector/de.stklcode.jvault.connector.test=com.fasterxml.jackson.datatype.jsr310
+                            --add-opens de.stklcode.jvault.connector/de.stklcode.jvault.connector.test=tools.jackson.databind
                         </argLine>
                     </configuration>
                 </plugin>
@@ -208,7 +201,7 @@
                                     <version>[3.6.3,)</version>
                                 </requireMavenVersion>
                                 <requireJavaVersion>
-                                    <version>[11,)</version>
+                                    <version>[17,)</version>
                                 </requireJavaVersion>
                             </rules>
                         </configuration>
@@ -254,7 +247,7 @@
                         <artifactId>maven-javadoc-plugin</artifactId>
                         <version>3.11.2</version>
                         <configuration>
-                            <source>11</source>
+                            <source>17</source>
                         </configuration>
                         <executions>
                             <execution>
@@ -370,7 +363,7 @@
                     <plugin>
                         <groupId>org.owasp</groupId>
                         <artifactId>dependency-check-maven</artifactId>
-                        <version>12.1.1</version>
+                        <version>12.1.3</version>
                         <configuration>
                             <nvdApiKey>${env.NVD_API_KEY}</nvdApiKey>
                             <nvdDatafeedUrl>${env.NVD_DATAFEED_URL}</nvdDatafeedUrl>
@@ -394,7 +387,7 @@
                     <plugin>
                         <groupId>org.sonatype.central</groupId>
                         <artifactId>central-publishing-maven-plugin</artifactId>
-                        <version>0.7.0</version>
+                        <version>0.8.0</version>
                         <extensions>true</extensions>
                         <configuration>
                             <publishingServerId>central</publishingServerId>

src/main/java/de/stklcode/jvault/connector/exception/AuthorizationRequiredException.java

@@ -16,6 +16,8 @@
 
 package de.stklcode.jvault.connector.exception;
 
+import java.io.Serial;
+
 /**
  * Exception thrown trying to do a request without any authorization handles.
  *
@@ -23,5 +25,6 @@ package de.stklcode.jvault.connector.exception;
  * @since 0.1
  */
 public class AuthorizationRequiredException extends VaultConnectorException {
+    @Serial
     private static final long serialVersionUID = 2629577936657393880L;
 }

src/main/java/de/stklcode/jvault/connector/exception/ConnectionException.java

@@ -16,6 +16,8 @@
 
 package de.stklcode.jvault.connector.exception;
 
+import java.io.Serial;
+
 /**
  * Exception thrown on problems with connection to Vault backend.
  *
@@ -23,6 +25,7 @@ package de.stklcode.jvault.connector.exception;
  * @since 0.1
  */
 public class ConnectionException extends VaultConnectorException {
+    @Serial
     private static final long serialVersionUID = 3005430116002990418L;
 
     /**

src/main/java/de/stklcode/jvault/connector/exception/InvalidRequestException.java

@@ -16,6 +16,8 @@
 
 package de.stklcode.jvault.connector.exception;
 
+import java.io.Serial;
+
 /**
  * Exception thrown when trying to send malformed request.
  *
@@ -23,6 +25,7 @@ package de.stklcode.jvault.connector.exception;
  * @since 0.1
  */
 public class InvalidRequestException extends VaultConnectorException {
+    @Serial
     private static final long serialVersionUID = -6712239648281809159L;
 
     /**

src/main/java/de/stklcode/jvault/connector/exception/InvalidResponseException.java

@@ -16,6 +16,8 @@
 
 package de.stklcode.jvault.connector.exception;
 
+import java.io.Serial;
+
 /**
  * Exception thrown when response from vault returned with erroneous status code or payload could not be parsed
  * to entity class.
@@ -24,6 +26,7 @@ package de.stklcode.jvault.connector.exception;
  * @since 0.1
  */
 public final class InvalidResponseException extends VaultConnectorException {
+    @Serial
     private static final long serialVersionUID = 2003151038614163479L;
 
     private final Integer statusCode;

src/main/java/de/stklcode/jvault/connector/exception/PermissionDeniedException.java

@@ -16,6 +16,8 @@
 
 package de.stklcode.jvault.connector.exception;
 
+import java.io.Serial;
+
 /**
  * Exception thrown when trying to access a path the current user/token does not have permission to access.
  *
@@ -23,6 +25,7 @@ package de.stklcode.jvault.connector.exception;
  * @since 0.1
  */
 public class PermissionDeniedException extends VaultConnectorException {
+    @Serial
     private static final long serialVersionUID = -7149134015090750776L;
 
     /**

src/main/java/de/stklcode/jvault/connector/exception/TlsException.java

@@ -16,6 +16,8 @@
 
 package de.stklcode.jvault.connector.exception;
 
+import java.io.Serial;
+
 /**
  * Exception thrown on errors with TLS connection.
  *
@@ -23,6 +25,7 @@ package de.stklcode.jvault.connector.exception;
  * @since 0.4.0
  */
 public class TlsException extends VaultConnectorException {
+    @Serial
     private static final long serialVersionUID = -5139276834988258086L;
 
     /**

src/main/java/de/stklcode/jvault/connector/exception/VaultConnectorException.java

@@ -16,6 +16,8 @@
 
 package de.stklcode.jvault.connector.exception;
 
+import java.io.Serial;
+
 /**
  * Abstract Exception class for Vault Connector internal exceptions.
  *
@@ -23,6 +25,7 @@ package de.stklcode.jvault.connector.exception;
  * @since 0.1
  */
 public abstract class VaultConnectorException extends Exception {
+    @Serial
     private static final long serialVersionUID = -2612477894310906036L;
 
     /**

src/main/java/de/stklcode/jvault/connector/internal/RequestHelper.java

@@ -1,12 +1,11 @@
 package de.stklcode.jvault.connector.internal;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.DeserializationFeature;
-import com.fasterxml.jackson.databind.SerializationFeature;
-import com.fasterxml.jackson.databind.json.JsonMapper;
-import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import tools.jackson.core.JacksonException;
+
 import de.stklcode.jvault.connector.exception.*;
 import de.stklcode.jvault.connector.model.response.ErrorResponse;
+import tools.jackson.databind.cfg.DateTimeFeature;
+import tools.jackson.databind.json.JsonMapper;
 
 import javax.net.ssl.SSLContext;
 import javax.net.ssl.TrustManagerFactory;
@@ -66,9 +65,8 @@ public final class RequestHelper implements Serializable {
         this.tlsVersion = tlsVersion;
         this.trustedCaCert = trustedCaCert;
         this.jsonMapper = JsonMapper.builder()
-            .addModule(new JavaTimeModule())
-            .enable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)
-            .disable(DeserializationFeature.ADJUST_DATES_TO_CONTEXT_TIME_ZONE)
+            .enable(DateTimeFeature.WRITE_DATES_AS_TIMESTAMPS)
+            .disable(DateTimeFeature.ADJUST_DATES_TO_CONTEXT_TIME_ZONE)
             .build();
     }
 
@@ -89,7 +87,7 @@ public final class RequestHelper implements Serializable {
         // Generate JSON from payload.
         try {
             req.POST(HttpRequest.BodyPublishers.ofString(jsonMapper.writeValueAsString(payload), UTF_8));
-        } catch (JsonProcessingException e) {
+        } catch (JacksonException e) {
             throw new InvalidRequestException(Error.PARSE_RESPONSE, e);
         }
 
@@ -120,7 +118,7 @@ public final class RequestHelper implements Serializable {
         try {
             String response = post(path, payload, token);
             return jsonMapper.readValue(response, target);
-        } catch (IOException e) {
+        } catch (JacksonException e) {
             throw new InvalidResponseException(Error.PARSE_RESPONSE, e);
         }
     }
@@ -159,7 +157,7 @@ public final class RequestHelper implements Serializable {
         // Generate JSON from payload.
         try {
             req.PUT(HttpRequest.BodyPublishers.ofString(jsonMapper.writeValueAsString(payload), UTF_8));
-        } catch (JsonProcessingException e) {
+        } catch (JacksonException e) {
             throw new InvalidRequestException("Payload serialization failed", e);
         }
 
@@ -190,7 +188,7 @@ public final class RequestHelper implements Serializable {
         try {
             String response = put(path, payload, token);
             return jsonMapper.readValue(response, target);
-        } catch (IOException e) {
+        } catch (JacksonException e) {
             throw new InvalidResponseException(Error.PARSE_RESPONSE, e);
         }
     }
@@ -302,7 +300,7 @@ public final class RequestHelper implements Serializable {
         try {
             String response = get(path, payload, token);
             return jsonMapper.readValue(response, target);
-        } catch (IOException e) {
+        } catch (JacksonException e) {
             throw new InvalidResponseException(Error.PARSE_RESPONSE, e);
         }
     }
@@ -443,7 +441,7 @@ public final class RequestHelper implements Serializable {
                     throw new InvalidResponseException(Error.RESPONSE_CODE, response.statusCode(), er.toString());
                 }
             }
-        } catch (IOException ignored) {
+        } catch (IOException | JacksonException ignored) {
             // Exception ignored.
         }
     }

src/main/java/de/stklcode/jvault/connector/model/AppRole.java

@@ -18,6 +18,8 @@ package de.stklcode.jvault.connector.model;
 
 import com.fasterxml.jackson.annotation.*;
 
+import java.io.Serial;
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
@@ -32,7 +34,8 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class AppRole implements Serializable {
-    private static final long serialVersionUID = 693228837510483448L;
+    @Serial
+    private static final long serialVersionUID = 1546673231280751679L;
 
     @JsonProperty("role_name")
     private String name;
@@ -53,7 +56,7 @@ public final class AppRole implements Serializable {
 
     @JsonProperty("secret_id_ttl")
     @JsonInclude(JsonInclude.Include.NON_NULL)
-    private Integer secretIdTtl;
+    private Long secretIdTtl;
 
     @JsonProperty("local_secret_ids")
     @JsonInclude(JsonInclude.Include.NON_NULL)
@@ -61,11 +64,11 @@ public final class AppRole implements Serializable {
 
     @JsonProperty("token_ttl")
     @JsonInclude(JsonInclude.Include.NON_NULL)
-    private Integer tokenTtl;
+    private Long tokenTtl;
 
     @JsonProperty("token_max_ttl")
     @JsonInclude(JsonInclude.Include.NON_NULL)
-    private Integer tokenMaxTtl;
+    private Long tokenMaxTtl;
 
     private List<String> tokenPolicies;
 
@@ -75,7 +78,7 @@ public final class AppRole implements Serializable {
 
     @JsonProperty("token_explicit_max_ttl")
     @JsonInclude(JsonInclude.Include.NON_NULL)
-    private Integer tokenExplicitMaxTtl;
+    private Long tokenExplicitMaxTtl;
 
     @JsonProperty("token_no_default_policy")
     @JsonInclude(JsonInclude.Include.NON_NULL)
@@ -255,7 +258,7 @@ public final class AppRole implements Serializable {
     /**
      * @return maximum TTL in seconds for secrets
      */
-    public Integer getSecretIdTtl() {
+    public Long getSecretIdTtl() {
         return secretIdTtl;
     }
 
@@ -271,14 +274,14 @@ public final class AppRole implements Serializable {
     /**
      * @return token TTL in seconds
      */
-    public Integer getTokenTtl() {
+    public Long getTokenTtl() {
         return tokenTtl;
     }
 
     /**
      * @return maximum token TTL in seconds, including renewals
      */
-    public Integer getTokenMaxTtl() {
+    public Long getTokenMaxTtl() {
         return tokenMaxTtl;
     }
 
@@ -286,7 +289,7 @@ public final class AppRole implements Serializable {
      * @return explicit maximum token TTL in seconds, including renewals
      * @since 0.9
      */
-    public Integer getTokenExplicitMaxTtl() {
+    public Long getTokenExplicitMaxTtl() {
         return tokenExplicitMaxTtl;
     }
 
@@ -370,12 +373,12 @@ public final class AppRole implements Serializable {
         private List<String> secretIdBoundCidrs;
         private List<String> tokenPolicies;
         private Integer secretIdNumUses;
-        private Integer secretIdTtl;
+        private Long secretIdTtl;
         private Boolean localSecretIds;
-        private Integer tokenTtl;
-        private Integer tokenMaxTtl;
+        private Long tokenTtl;
+        private Long tokenMaxTtl;
         private List<String> tokenBoundCidrs;
-        private Integer tokenExplicitMaxTtl;
+        private Long tokenExplicitMaxTtl;
         private Boolean tokenNoDefaultPolicy;
         private Integer tokenNumUses;
         private Integer tokenPeriod;
@@ -520,7 +523,7 @@ public final class AppRole implements Serializable {
          * @param secretIdTtl the TTL
          * @return self
          */
-        public Builder withSecretIdTtl(final Integer secretIdTtl) {
+        public Builder withSecretIdTtl(final Long secretIdTtl) {
             this.secretIdTtl = secretIdTtl;
             return this;
         }
@@ -544,7 +547,7 @@ public final class AppRole implements Serializable {
          * @param tokenTtl the TTL
          * @return self
          */
-        public Builder withTokenTtl(final Integer tokenTtl) {
+        public Builder withTokenTtl(final Long tokenTtl) {
             this.tokenTtl = tokenTtl;
             return this;
         }
@@ -555,7 +558,7 @@ public final class AppRole implements Serializable {
          * @param tokenMaxTtl the TTL
          * @return self
          */
-        public Builder withTokenMaxTtl(final Integer tokenMaxTtl) {
+        public Builder withTokenMaxTtl(final Long tokenMaxTtl) {
             this.tokenMaxTtl = tokenMaxTtl;
             return this;
         }
@@ -596,7 +599,7 @@ public final class AppRole implements Serializable {
          * @param tokenExplicitMaxTtl the TTL
          * @return self
          */
-        public Builder withTokenExplicitMaxTtl(final Integer tokenExplicitMaxTtl) {
+        public Builder withTokenExplicitMaxTtl(final Long tokenExplicitMaxTtl) {
             this.tokenExplicitMaxTtl = tokenExplicitMaxTtl;
             return this;
         }

src/main/java/de/stklcode/jvault/connector/model/AppRoleSecret.java

@@ -18,6 +18,7 @@ package de.stklcode.jvault.connector.model;
 
 import com.fasterxml.jackson.annotation.*;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.List;
 import java.util.Map;
@@ -32,6 +33,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class AppRoleSecret implements Serializable {
+    @Serial
     private static final long serialVersionUID = -3401074170145792641L;
 
     @JsonProperty("secret_id")

src/main/java/de/stklcode/jvault/connector/model/Token.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.*;
 
@@ -32,7 +33,8 @@ import java.util.*;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class Token implements Serializable {
-    private static final long serialVersionUID = 5208508683665365287L;
+    @Serial
+    private static final long serialVersionUID = 7003016071684507115L;
 
     @JsonProperty("id")
     @JsonInclude(JsonInclude.Include.NON_NULL)
@@ -56,11 +58,11 @@ public final class Token implements Serializable {
 
     @JsonProperty("ttl")
     @JsonInclude(JsonInclude.Include.NON_NULL)
-    private Integer ttl;
+    private Long ttl;
 
     @JsonProperty("explicit_max_ttl")
     @JsonInclude(JsonInclude.Include.NON_NULL)
-    private Integer explicitMaxTtl;
+    private Long explicitMaxTtl;
 
     @JsonProperty("num_uses")
     @JsonInclude(JsonInclude.Include.NON_NULL)
@@ -162,7 +164,7 @@ public final class Token implements Serializable {
     /**
      * @return Time-to-live in seconds
      */
-    public Integer getTtl() {
+    public Long getTtl() {
         return ttl;
     }
 
@@ -170,7 +172,7 @@ public final class Token implements Serializable {
      * @return Explicit maximum time-to-live in seconds
      * @since 0.9
      */
-    public Integer getExplicitMaxTtl() {
+    public Long getExplicitMaxTtl() {
         return explicitMaxTtl;
     }
 
@@ -282,8 +284,8 @@ public final class Token implements Serializable {
         private String displayName;
         private Boolean noParent;
         private Boolean noDefaultPolicy;
-        private Integer ttl;
-        private Integer explicitMaxTtl;
+        private Long ttl;
+        private Long explicitMaxTtl;
         private Integer numUses;
         private List<String> policies;
         private Map<String, String> meta;
@@ -331,7 +333,7 @@ public final class Token implements Serializable {
          * @param ttl the ttl
          * @return self
          */
-        public Builder withTtl(final Integer ttl) {
+        public Builder withTtl(final Long ttl) {
             this.ttl = ttl;
             return this;
         }
@@ -342,7 +344,7 @@ public final class Token implements Serializable {
          * @param explicitMaxTtl the explicit max. TTL
          * @return self
          */
-        public Builder withExplicitMaxTtl(final Integer explicitMaxTtl) {
+        public Builder withExplicitMaxTtl(final Long explicitMaxTtl) {
             this.explicitMaxTtl = explicitMaxTtl;
             return this;
         }

src/main/java/de/stklcode/jvault/connector/model/TokenRole.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
@@ -34,7 +35,8 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class TokenRole implements Serializable {
-    private static final long serialVersionUID = -3505215215838576321L;
+    @Serial
+    private static final long serialVersionUID = -4856948364869438439L;
 
     @JsonProperty("name")
     @JsonInclude(JsonInclude.Include.NON_NULL)
@@ -78,7 +80,7 @@ public final class TokenRole implements Serializable {
 
     @JsonProperty("token_explicit_max_ttl")
     @JsonInclude(JsonInclude.Include.NON_NULL)
-    private Integer tokenExplicitMaxTtl;
+    private Long tokenExplicitMaxTtl;
 
     @JsonProperty("token_no_default_policy")
     @JsonInclude(JsonInclude.Include.NON_NULL)
@@ -204,7 +206,7 @@ public final class TokenRole implements Serializable {
     /**
      * @return Token explicit maximum TTL
      */
-    public Integer getTokenExplicitMaxTtl() {
+    public Long getTokenExplicitMaxTtl() {
         return tokenExplicitMaxTtl;
     }
 
@@ -285,7 +287,7 @@ public final class TokenRole implements Serializable {
         private String pathSuffix;
         private List<String> allowedEntityAliases;
         private List<String> tokenBoundCidrs;
-        private Integer tokenExplicitMaxTtl;
+        private Long tokenExplicitMaxTtl;
         private Boolean tokenNoDefaultPolicy;
         private Integer tokenNumUses;
         private Integer tokenPeriod;
@@ -537,7 +539,7 @@ public final class TokenRole implements Serializable {
          * @param tokenExplicitMaxTtl explicit maximum TTL
          * @return self
          */
-        public Builder withTokenExplicitMaxTtl(final Integer tokenExplicitMaxTtl) {
+        public Builder withTokenExplicitMaxTtl(final Long tokenExplicitMaxTtl) {
             this.tokenExplicitMaxTtl = tokenExplicitMaxTtl;
             return this;
         }

src/main/java/de/stklcode/jvault/connector/model/response/AppRoleResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.AppRole;
 
+import java.io.Serial;
 import java.util.Objects;
 
 /**
@@ -30,6 +31,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class AppRoleResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = -6536422219633829177L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/AppRoleSecretResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.AppRoleSecret;
 
+import java.io.Serial;
 import java.util.Objects;
 
 /**
@@ -30,6 +31,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class AppRoleSecretResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = -2484103304072370585L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/AuthMethodsResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.response.embedded.AuthMethod;
 
+import java.io.Serial;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Objects;
@@ -32,6 +33,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class AuthMethodsResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = -1802724129533405375L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/AuthResponse.java

@@ -19,6 +19,8 @@ package de.stklcode.jvault.connector.model.response;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import de.stklcode.jvault.connector.model.response.embedded.AuthData;
 
+import java.io.Serial;
+
 /**
  * Vault response for authentication providing auth info in {@link AuthData} field.
  *
@@ -27,5 +29,6 @@ import de.stklcode.jvault.connector.model.response.embedded.AuthData;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class AuthResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = 1628851361067456715L;
 }

src/main/java/de/stklcode/jvault/connector/model/response/CredentialsResponse.java

@@ -18,6 +18,8 @@ package de.stklcode.jvault.connector.model.response;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 
+import java.io.Serial;
+
 /**
  * Vault response from credentials lookup. Simple wrapper for data objects containing username and password fields.
  *
@@ -26,6 +28,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class CredentialsResponse extends PlainSecretResponse {
+    @Serial
     private static final long serialVersionUID = -1439692963299045425L;
 
     /**

src/main/java/de/stklcode/jvault/connector/model/response/ErrorResponse.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.util.List;
 import java.util.Objects;
 
@@ -30,6 +31,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class ErrorResponse implements VaultResponse {
+    @Serial
     private static final long serialVersionUID = -6227368087842549149L;
 
     @JsonProperty("errors")

src/main/java/de/stklcode/jvault/connector/model/response/HealthResponse.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.util.Objects;
 
 /**
@@ -29,6 +30,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class HealthResponse implements VaultResponse {
+    @Serial
     private static final long serialVersionUID = 8675155916902904516L;
 
     @JsonProperty("cluster_id")

src/main/java/de/stklcode/jvault/connector/model/response/HelpResponse.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.util.Objects;
 
 /**
@@ -29,6 +30,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class HelpResponse implements VaultResponse {
+    @Serial
     private static final long serialVersionUID = -1152070966642848490L;
 
     @JsonProperty("help")

src/main/java/de/stklcode/jvault/connector/model/response/MetaSecretResponse.java

@@ -21,6 +21,7 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.response.embedded.SecretWrapper;
 import de.stklcode.jvault.connector.model.response.embedded.VersionMetadata;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Collections;
 import java.util.Map;
@@ -34,6 +35,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class MetaSecretResponse extends SecretResponse {
+    @Serial
     private static final long serialVersionUID = -1076542846391240162L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/MetadataResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.response.embedded.SecretMetadata;
 
+import java.io.Serial;
 import java.util.Objects;
 
 
@@ -31,6 +32,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class MetadataResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = -3679762333630984679L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/PlainSecretResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.response.embedded.VersionMetadata;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Collections;
 import java.util.Map;
@@ -33,6 +34,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class PlainSecretResponse extends SecretResponse {
+    @Serial
     private static final long serialVersionUID = 3010138542437913023L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/RawDataResponse.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Map;
 import java.util.Objects;
@@ -31,6 +32,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class RawDataResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = -319727427792124071L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/SealResponse.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.time.ZonedDateTime;
 import java.util.Objects;
 
@@ -30,6 +31,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class SealResponse implements VaultResponse {
+    @Serial
     private static final long serialVersionUID = -6000309255473305787L;
 
     @JsonProperty("type")

src/main/java/de/stklcode/jvault/connector/model/response/SecretListResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.response.embedded.SecretListWrapper;
 
+import java.io.Serial;
 import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
@@ -32,8 +33,9 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class SecretListResponse extends VaultDataResponse {
-
+    @Serial
     private static final long serialVersionUID = 8597121175002967213L;
+
     @JsonProperty("data")
     private SecretListWrapper data;
 

src/main/java/de/stklcode/jvault/connector/model/response/SecretResponse.java

@@ -17,14 +17,13 @@
 package de.stklcode.jvault.connector.model.response;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
-import com.fasterxml.jackson.databind.DeserializationFeature;
-import com.fasterxml.jackson.databind.SerializationFeature;
-import com.fasterxml.jackson.databind.json.JsonMapper;
-import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import de.stklcode.jvault.connector.exception.InvalidResponseException;
 import de.stklcode.jvault.connector.model.response.embedded.VersionMetadata;
+import tools.jackson.core.JacksonException;
+import tools.jackson.databind.cfg.DateTimeFeature;
+import tools.jackson.databind.json.JsonMapper;
 
-import java.io.IOException;
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Map;
 
@@ -37,6 +36,7 @@ import java.util.Map;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public abstract class SecretResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = 5198088815871692951L;
 
     /**
@@ -86,9 +86,8 @@ public abstract class SecretResponse extends VaultDataResponse {
                 return type.cast(rawValue);
             } else {
                 var om = JsonMapper.builder()
-                    .addModule(new JavaTimeModule())
-                    .enable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)
-                    .disable(DeserializationFeature.ADJUST_DATES_TO_CONTEXT_TIME_ZONE)
+                    .enable(DateTimeFeature.WRITE_DATES_AS_TIMESTAMPS)
+                    .disable(DateTimeFeature.ADJUST_DATES_TO_CONTEXT_TIME_ZONE)
                     .build();
 
                 if (rawValue instanceof String) {
@@ -97,7 +96,7 @@ public abstract class SecretResponse extends VaultDataResponse {
                     return om.readValue(om.writeValueAsString(rawValue), type);
                 }
             }
-        } catch (IOException e) {
+        } catch (JacksonException e) {
             throw new InvalidResponseException("Unable to parse response payload: " + e.getMessage());
         }
     }

src/main/java/de/stklcode/jvault/connector/model/response/SecretVersionResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.response.embedded.VersionMetadata;
 
+import java.io.Serial;
 import java.util.Objects;
 
 /**
@@ -30,6 +31,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SecretVersionResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = 2748635005258576174L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/TokenResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.response.embedded.TokenData;
 
+import java.io.Serial;
 import java.util.Objects;
 
 /**
@@ -30,6 +31,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class TokenResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = -4341114947980033457L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/TokenRoleResponse.java

@@ -21,6 +21,7 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.TokenRole;
 import de.stklcode.jvault.connector.model.response.embedded.TokenData;
 
+import java.io.Serial;
 import java.util.Objects;
 
 /**
@@ -31,6 +32,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class TokenRoleResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = 5265363857731948626L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/TransitResponse.java

@@ -18,6 +18,7 @@ package de.stklcode.jvault.connector.model.response;
 
 import com.fasterxml.jackson.annotation.JsonSetter;
 
+import java.io.Serial;
 import java.util.Map;
 import java.util.Objects;
 
@@ -29,6 +30,7 @@ import java.util.Objects;
  */
 public class TransitResponse extends VaultDataResponse {
 
+    @Serial
     private static final long serialVersionUID = 6873804240772242771L;
 
     private String ciphertext;

src/main/java/de/stklcode/jvault/connector/model/response/VaultDataResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.response.embedded.AuthData;
 import de.stklcode.jvault.connector.model.response.embedded.WrapInfo;
 
+import java.io.Serial;
 import java.util.List;
 import java.util.Objects;
 
@@ -30,6 +31,7 @@ import java.util.Objects;
  * @since 0.1
  */
 public abstract class VaultDataResponse implements VaultResponse {
+    @Serial
     private static final long serialVersionUID = 4787715235558510045L;
 
     @JsonProperty("request_id")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/AuthData.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.List;
 import java.util.Map;
@@ -33,6 +34,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class AuthData implements Serializable {
+    @Serial
     private static final long serialVersionUID = 5969334512309655317L;
 
     @JsonProperty("client_token")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/AuthMethod.java

@@ -21,6 +21,7 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonSetter;
 import de.stklcode.jvault.connector.model.AuthBackend;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Map;
 import java.util.Objects;
@@ -34,6 +35,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class AuthMethod implements Serializable {
+    @Serial
     private static final long serialVersionUID = -439987082190917691L;
 
     private AuthBackend type;

src/main/java/de/stklcode/jvault/connector/model/response/embedded/MfaConstraintAny.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.List;
 import java.util.Objects;
@@ -31,6 +32,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class MfaConstraintAny implements Serializable {
+    @Serial
     private static final long serialVersionUID = 1226126781813149627L;
 
     @JsonProperty("any")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/MfaMethodId.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Objects;
 
@@ -30,6 +31,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class MfaMethodId implements Serializable {
+    @Serial
     private static final long serialVersionUID = 691298070242998814L;
 
     @JsonProperty("type")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/MfaRequirement.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Map;
 import java.util.Objects;
@@ -31,6 +32,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class MfaRequirement implements Serializable {
+    @Serial
     private static final long serialVersionUID = -2516941512455319638L;
 
     @JsonProperty("mfa_request_id")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/MountConfig.java

@@ -3,6 +3,8 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.List;
 import java.util.Objects;
@@ -15,13 +17,14 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class MountConfig implements Serializable {
-    private static final long serialVersionUID = -8653909672663717792L;
+    @Serial
+    private static final long serialVersionUID = 7241631159224756605L;
 
     @JsonProperty("default_lease_ttl")
-    private Integer defaultLeaseTtl;
+    private Long defaultLeaseTtl;
 
     @JsonProperty("max_lease_ttl")
-    private Integer maxLeaseTtl;
+    private Long maxLeaseTtl;
 
     @JsonProperty("force_no_cache")
     private Boolean forceNoCache;
@@ -56,14 +59,14 @@ public class MountConfig implements Serializable {
     /**
      * @return Default lease TTL
      */
-    public Integer getDefaultLeaseTtl() {
+    public Long getDefaultLeaseTtl() {
         return defaultLeaseTtl;
     }
 
     /**
      * @return Maximum lease TTL
      */
-    public Integer getMaxLeaseTtl() {
+    public Long getMaxLeaseTtl() {
         return maxLeaseTtl;
     }
 

src/main/java/de/stklcode/jvault/connector/model/response/embedded/SecretListWrapper.java

@@ -3,6 +3,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.List;
 import java.util.Objects;
@@ -16,7 +17,9 @@ import java.util.Objects;
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SecretListWrapper implements Serializable {
 
+    @Serial
     private static final long serialVersionUID = -8777605197063766125L;
+
     @JsonProperty("keys")
     private List<String> keys;
 

src/main/java/de/stklcode/jvault/connector/model/response/embedded/SecretMetadata.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.time.ZonedDateTime;
 import java.util.HashMap;
@@ -34,6 +35,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class SecretMetadata implements Serializable {
+    @Serial
     private static final long serialVersionUID = -905059942871916214L;
 
     @JsonProperty("created_time")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/SecretWrapper.java

@@ -3,6 +3,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Map;
 import java.util.Objects;
@@ -15,6 +16,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SecretWrapper implements Serializable {
+    @Serial
     private static final long serialVersionUID = 8600413181758893378L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/TokenData.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.time.ZonedDateTime;
 import java.util.List;
@@ -34,7 +35,8 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class TokenData implements Serializable {
-    private static final long serialVersionUID = -5749716740973138916L;
+    @Serial
+    private static final long serialVersionUID = -4168046151053509784L;
 
     @JsonProperty("accessor")
     private String accessor;
@@ -43,7 +45,7 @@ public final class TokenData implements Serializable {
     private Integer creationTime;
 
     @JsonProperty("creation_ttl")
-    private Integer creationTtl;
+    private Long creationTtl;
 
     @JsonProperty("display_name")
     private String name;
@@ -55,7 +57,7 @@ public final class TokenData implements Serializable {
     private ZonedDateTime expireTime;
 
     @JsonProperty("explicit_max_ttl")
-    private Integer explicitMaxTtl;
+    private Long explicitMaxTtl;
 
     @JsonProperty("id")
     private String id;
@@ -82,7 +84,7 @@ public final class TokenData implements Serializable {
     private boolean renewable;
 
     @JsonProperty("ttl")
-    private Integer ttl;
+    private Long ttl;
 
     @JsonProperty("type")
     private String type;
@@ -104,7 +106,7 @@ public final class TokenData implements Serializable {
     /**
      * @return Creation TTL (in seconds)
      */
-    public Integer getCreationTtl() {
+    public Long getCreationTtl() {
         return creationTtl;
     }
 
@@ -135,7 +137,7 @@ public final class TokenData implements Serializable {
      * @return Explicit maximum TTL
      * @since 0.9
      */
-    public Integer getExplicitMaxTtl() {
+    public Long getExplicitMaxTtl() {
         return explicitMaxTtl;
     }
 
@@ -202,7 +204,7 @@ public final class TokenData implements Serializable {
     /**
      * @return Token TTL (in seconds)
      */
-    public Integer getTtl() {
+    public Long getTtl() {
         return ttl;
     }
 

src/main/java/de/stklcode/jvault/connector/model/response/embedded/UserLockoutConfig.java

@@ -3,6 +3,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Objects;
 
@@ -14,6 +15,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class UserLockoutConfig implements Serializable {
+    @Serial
     private static final long serialVersionUID = -8051060041593140550L;
 
     @JsonProperty("lockout_threshold")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/VersionMetadata.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.time.ZonedDateTime;
 import java.util.HashMap;
@@ -34,6 +35,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class VersionMetadata implements Serializable {
+    @Serial
     private static final long serialVersionUID = 8495687554714216478L;
 
     @JsonProperty("created_time")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/WrapInfo.java

@@ -18,6 +18,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.time.ZonedDateTime;
 import java.util.Objects;
@@ -29,6 +30,7 @@ import java.util.Objects;
  * @since 1.1
  */
 public class WrapInfo implements Serializable {
+    @Serial
     private static final long serialVersionUID = 4864973237090355607L;
 
     @JsonProperty("token")

src/main/java/module-info.java

@@ -26,12 +26,11 @@ module de.stklcode.jvault.connector {
     exports de.stklcode.jvault.connector.model.response;
     exports de.stklcode.jvault.connector.model.response.embedded;
 
-    opens de.stklcode.jvault.connector.model to com.fasterxml.jackson.databind;
-    opens de.stklcode.jvault.connector.model.response to com.fasterxml.jackson.databind;
-    opens de.stklcode.jvault.connector.model.response.embedded to com.fasterxml.jackson.databind;
+    opens de.stklcode.jvault.connector.model to tools.jackson.databind;
+    opens de.stklcode.jvault.connector.model.response to tools.jackson.databind;
+    opens de.stklcode.jvault.connector.model.response.embedded to tools.jackson.databind;
 
     requires java.net.http;
     requires com.fasterxml.jackson.annotation;
-    requires com.fasterxml.jackson.databind;
-    requires com.fasterxml.jackson.datatype.jsr310;
+    requires tools.jackson.databind;
 }

src/test/java/de/stklcode/jvault/connector/HTTPVaultConnectorBuilderTest.java

@@ -63,12 +63,12 @@ class HTTPVaultConnectorBuilderTest {
 
         // Specify all options.
         HTTPVaultConnectorBuilder builder = HTTPVaultConnector.builder()
-                .withHost("vault2.example.com")
-                .withoutTLS()
-                .withPort(1234)
-                .withPrefix("/foo/")
-                .withTimeout(5678)
-                .withNumberOfRetries(9);
+            .withHost("vault2.example.com")
+            .withoutTLS()
+            .withPort(1234)
+            .withPrefix("/foo/")
+            .withTimeout(5678)
+            .withNumberOfRetries(9);
         connector = builder.build();
 
         assertEquals("http://vault2.example.com:1234/foo/", getRequestHelperPrivate(connector, "baseURL"), "URL not set correctly");
@@ -79,13 +79,13 @@ class HTTPVaultConnectorBuilderTest {
 
         // Initialization from URL.
         assertThrows(
-                URISyntaxException.class,
-                () -> HTTPVaultConnector.builder().withBaseURL("foo:/\\1nv4l1d_UrL"),
-                "Initialization from invalid URL should fail"
+            URISyntaxException.class,
+            () -> HTTPVaultConnector.builder().withBaseURL("foo:/\\1nv4l1d_UrL"),
+            "Initialization from invalid URL should fail"
         );
         connector = assertDoesNotThrow(
-                () -> HTTPVaultConnector.builder().withBaseURL("https://vault3.example.com:5678/bar/").build(),
-                "Initialization from valid URL should not fail"
+            () -> HTTPVaultConnector.builder().withBaseURL("https://vault3.example.com:5678/bar/").build(),
+            "Initialization from valid URL should not fail"
         );
         assertEquals("https://vault3.example.com:5678/bar/", getRequestHelperPrivate(connector, "baseURL"), "URL not set correctly");
 
@@ -106,8 +106,8 @@ class HTTPVaultConnectorBuilderTest {
         // Provide address only should be enough.
         withVaultEnv(VAULT_ADDR, null, null, null).execute(() -> {
             HTTPVaultConnectorBuilder builder = assertDoesNotThrow(
-                    () -> HTTPVaultConnector.builder().fromEnv(),
-                    "Factory creation from minimal environment failed"
+                () -> HTTPVaultConnector.builder().fromEnv(),
+                "Factory creation from minimal environment failed"
             );
             HTTPVaultConnector connector = builder.build();
 
@@ -119,16 +119,16 @@ class HTTPVaultConnectorBuilderTest {
         });
         withVaultEnv(VAULT_ADDR_2, null, null, null).execute(() -> {
             HTTPVaultConnectorBuilder builder = assertDoesNotThrow(
-                    () -> HTTPVaultConnector.builder().fromEnv(),
-                    "Factory creation from minimal environment failed"
+                () -> HTTPVaultConnector.builder().fromEnv(),
+                "Factory creation from minimal environment failed"
             );
             assertEquals(VAULT_ADDR_2 + "/v1/", getRequestHelperPrivate(builder.build(), "baseURL"), "URL without port not set correctly");
             return null;
         });
         withVaultEnv(VAULT_ADDR_3, null, null, null).execute(() -> {
             HTTPVaultConnectorBuilder builder = assertDoesNotThrow(
-                    () -> HTTPVaultConnector.builder().fromEnv(),
-                    "Factory creation from minimal environment failed"
+                () -> HTTPVaultConnector.builder().fromEnv(),
+                "Factory creation from minimal environment failed"
             );
             assertEquals(VAULT_ADDR_3, getRequestHelperPrivate(builder.build(), "baseURL"), "URL with custom path not set correctly");
             return null;
@@ -137,8 +137,8 @@ class HTTPVaultConnectorBuilderTest {
         // Provide address and number of retries.
         withVaultEnv(VAULT_ADDR, null, VAULT_MAX_RETRIES.toString(), null).execute(() -> {
             HTTPVaultConnectorBuilder builder = assertDoesNotThrow(
-                    () -> HTTPVaultConnector.builder().fromEnv(),
-                    "Factory creation from environment failed"
+                () -> HTTPVaultConnector.builder().fromEnv(),
+                "Factory creation from environment failed"
             );
             HTTPVaultConnector connector = builder.build();
 
@@ -152,8 +152,8 @@ class HTTPVaultConnectorBuilderTest {
         // Automatic authentication.
         withVaultEnv(VAULT_ADDR, null, VAULT_MAX_RETRIES.toString(), VAULT_TOKEN).execute(() -> {
             HTTPVaultConnectorBuilder builder = assertDoesNotThrow(
-                    () -> HTTPVaultConnector.builder().fromEnv(),
-                    "Factory creation from minimal environment failed"
+                () -> HTTPVaultConnector.builder().fromEnv(),
+                "Factory creation from minimal environment failed"
             );
             assertEquals(VAULT_TOKEN, getPrivate(builder, "token"), "Token not set correctly");
 
@@ -163,9 +163,9 @@ class HTTPVaultConnectorBuilderTest {
         // Invalid URL.
         withVaultEnv("This is not a valid URL!", null, VAULT_MAX_RETRIES.toString(), VAULT_TOKEN).execute(() -> {
             assertThrows(
-                    ConnectionException.class,
-                    () -> HTTPVaultConnector.builder().fromEnv(),
-                    "Invalid URL from environment should raise an exception"
+                ConnectionException.class,
+                () -> HTTPVaultConnector.builder().fromEnv(),
+                "Invalid URL from environment should raise an exception"
             );
 
             return null;
@@ -182,8 +182,8 @@ class HTTPVaultConnectorBuilderTest {
         AtomicReference<Object> certFromPem = new AtomicReference<>();
         withVaultEnv(VAULT_ADDR, pem, null, null).execute(() -> {
             HTTPVaultConnectorBuilder builder = assertDoesNotThrow(
-                    () -> HTTPVaultConnector.builder().fromEnv(),
-                    "Builder with PEM certificate from environment failed"
+                () -> HTTPVaultConnector.builder().fromEnv(),
+                "Builder with PEM certificate from environment failed"
             );
             HTTPVaultConnector connector = builder.build();
 
@@ -198,8 +198,8 @@ class HTTPVaultConnectorBuilderTest {
         AtomicReference<Object> certFromFile = new AtomicReference<>();
         withVaultEnv(VAULT_ADDR, file, null, null).execute(() -> {
             HTTPVaultConnectorBuilder builder = assertDoesNotThrow(
-                    () -> HTTPVaultConnector.builder().fromEnv(),
-                    "Builder with certificate path from environment failed"
+                () -> HTTPVaultConnector.builder().fromEnv(),
+                "Builder with certificate path from environment failed"
             );
             HTTPVaultConnector connector = builder.build();
 
@@ -215,9 +215,9 @@ class HTTPVaultConnectorBuilderTest {
         String doesNotExist = tempDir.toString() + "/doesnotexist";
         withVaultEnv(VAULT_ADDR, doesNotExist, VAULT_MAX_RETRIES.toString(), null).execute(() -> {
             TlsException e = assertThrows(
-                    TlsException.class,
-                    () -> HTTPVaultConnector.builder().fromEnv(),
-                    "Creation with unknown cert path failed"
+                TlsException.class,
+                () -> HTTPVaultConnector.builder().fromEnv(),
+                "Creation with unknown cert path failed"
             );
             assertEquals(doesNotExist, assertInstanceOf(NoSuchFileException.class, e.getCause()).getFile());
 
@@ -227,9 +227,9 @@ class HTTPVaultConnectorBuilderTest {
 
     private SystemLambda.WithEnvironmentVariables withVaultEnv(String vaultAddr, String vaultCacert, String vaultMaxRetries, String vaultToken) {
         return withEnvironmentVariable("VAULT_ADDR", vaultAddr)
-                .and("VAULT_CACERT", vaultCacert)
-                .and("VAULT_MAX_RETRIES", vaultMaxRetries)
-                .and("VAULT_TOKEN", vaultToken);
+            .and("VAULT_CACERT", vaultCacert)
+            .and("VAULT_MAX_RETRIES", vaultMaxRetries)
+            .and("VAULT_TOKEN", vaultToken);
     }
 
     private Object getRequestHelperPrivate(HTTPVaultConnector connector, String fieldName) throws NoSuchFieldException, IllegalAccessException {

src/test/java/de/stklcode/jvault/connector/HTTPVaultConnectorIT.java

@@ -52,7 +52,7 @@ import static org.junit.jupiter.api.Assumptions.assumeTrue;
  * @since 0.1
  */
 class HTTPVaultConnectorIT {
-    private static String VAULT_VERSION = "1.19.5";  // The vault version this test is supposed to run against.
+    private static String VAULT_VERSION = "1.20.0";  // The vault version this test is supposed to run against.
     private static final String KEY1 = "E38bkCm0VhUvpdCKGQpcohhD9XmcHJ/2hreOSY019Lho";
     private static final String KEY2 = "O5OHwDleY3IiPdgw61cgHlhsrEm6tVJkrxhF6QAnILd1";
     private static final String KEY3 = "mw7Bm3nbt/UWa/juDjjL2EPQ04kiJ0saC5JEXwJvXYsB";
@@ -86,9 +86,9 @@ class HTTPVaultConnectorIT {
 
         // Initialize connector.
         HTTPVaultConnectorBuilder builder = HTTPVaultConnector.builder()
-                .withHost(config.getHost())
-                .withPort(config.getPort())
-                .withTLS(isTls);
+            .withHost(config.getHost())
+            .withPort(config.getPort())
+            .withTLS(isTls);
         if (isTls) {
             builder.withTrustedCA(Paths.get(getClass().getResource("/tls/ca.pem").getPath()));
         }
@@ -134,9 +134,9 @@ class HTTPVaultConnectorIT {
             final String invalidPath = "secret/invalid/path";
 
             VaultConnectorException e = assertThrows(
-                    PermissionDeniedException.class,
-                    () -> connector.read(invalidPath),
-                    "Invalid secret path should raise an exception"
+                PermissionDeniedException.class,
+                () -> connector.read(invalidPath),
+                "Invalid secret path should raise an exception"
             );
 
             // Assert that the exception does not reveal secret or credentials.
@@ -147,15 +147,15 @@ class HTTPVaultConnectorIT {
 
             // Try to read accessible path with known value.
             SecretResponse res = assertDoesNotThrow(
-                    () -> connector.read(SECRET_PATH + "/" + SECRET_KEY),
-                    "Valid secret path could not be read"
+                () -> connector.read(SECRET_PATH + "/" + SECRET_KEY),
+                "Valid secret path could not be read"
             );
             assertEquals(SECRET_VALUE, res.get("value"), "Known secret returned invalid value");
 
             // Try to read accessible path with JSON value.
             res = assertDoesNotThrow(
-                    () -> connector.read(SECRET_PATH + "/" + SECRET_KEY_JSON),
-                    "Valid secret path could not be read"
+                () -> connector.read(SECRET_PATH + "/" + SECRET_KEY_JSON),
+                "Valid secret path could not be read"
             );
             assertNotNull(res.get("value"), "Known secret returned null value");
 
@@ -167,8 +167,8 @@ class HTTPVaultConnectorIT {
 
             // Try to read accessible path with JSON value.
             res = assertDoesNotThrow(
-                    () -> connector.read(SECRET_PATH + "/" + SECRET_KEY_JSON),
-                    "Valid secret path could not be read"
+                () -> connector.read(SECRET_PATH + "/" + SECRET_KEY_JSON),
+                "Valid secret path could not be read"
             );
             assertNotNull(res.get("value"), "Known secret returned null value");
 
@@ -180,8 +180,8 @@ class HTTPVaultConnectorIT {
 
             // Try to read accessible complex secret.
             res = assertDoesNotThrow(
-                    () -> connector.read(SECRET_PATH + "/" + SECRET_KEY_COMPLEX),
-                    "Valid secret path could not be read"
+                () -> connector.read(SECRET_PATH + "/" + SECRET_KEY_COMPLEX),
+                "Valid secret path could not be read"
             );
             assertNotNull(res.getData(), "Known secret returned null value");
             assertEquals(Map.of("key1", "value1", "key2", "value2"), res.getData(), "Unexpected data");
@@ -198,8 +198,8 @@ class HTTPVaultConnectorIT {
             assumeTrue(connector.isAuthorized());
             // Try to list secrets from valid path.
             List<String> secrets = assertDoesNotThrow(
-                    () -> connector.list(SECRET_PATH),
-                    "Secrets could not be listed"
+                () -> connector.list(SECRET_PATH),
+                "Secrets could not be listed"
             );
             assertNotEquals(0, secrets.size(), "Invalid number of secrets");
             assertTrue(secrets.contains(SECRET_KEY), "Known secret key not found");
@@ -217,33 +217,33 @@ class HTTPVaultConnectorIT {
 
             // Try to write to null path.
             assertThrows(
-                    InvalidRequestException.class,
-                    () -> connector.write(null, "someValue"),
-                    "Secret written to null path"
+                InvalidRequestException.class,
+                () -> connector.write(null, "someValue"),
+                "Secret written to null path"
             );
 
             // Try to write to invalid path.
             assertThrows(
-                    InvalidRequestException.class,
-                    () -> connector.write("", "someValue"),
-                    "Secret written to invalid path"
+                InvalidRequestException.class,
+                () -> connector.write("", "someValue"),
+                "Secret written to invalid path"
             );
 
             // Try to write to a path the user has no access for.
             assertThrows(
-                    PermissionDeniedException.class,
-                    () -> connector.write("invalid/path", "someValue"),
-                    "Secret written to inaccessible path"
+                PermissionDeniedException.class,
+                () -> connector.write("invalid/path", "someValue"),
+                "Secret written to inaccessible path"
             );
 
             // Perform a valid write/read roundtrip to valid path. Also check UTF8-encoding.
             assertDoesNotThrow(
-                    () -> connector.write(SECRET_PATH + "/temp", "Abc123äöü,!"),
-                    "Failed to write secret to accessible path"
+                () -> connector.write(SECRET_PATH + "/temp", "Abc123äöü,!"),
+                "Failed to write secret to accessible path"
             );
             SecretResponse res = assertDoesNotThrow(
-                    () -> connector.read(SECRET_PATH + "/temp"),
-                    "Written secret could not be read"
+                () -> connector.read(SECRET_PATH + "/temp"),
+                "Written secret could not be read"
             );
             assertEquals("Abc123äöü,!", res.get("value"));
         }
@@ -260,26 +260,26 @@ class HTTPVaultConnectorIT {
 
             // Write a test secret to vault.
             assertDoesNotThrow(
-                    () -> connector.write(SECRET_PATH + "/toDelete", "secret content"),
-                    "Secret written to inaccessible path"
+                () -> connector.write(SECRET_PATH + "/toDelete", "secret content"),
+                "Secret written to inaccessible path"
             );
             SecretResponse res = assertDoesNotThrow(
-                    () -> connector.read(SECRET_PATH + "/toDelete"),
-                    "Written secret could not be read"
+                () -> connector.read(SECRET_PATH + "/toDelete"),
+                "Written secret could not be read"
             );
             assumeTrue(res != null);
 
             // Delete secret.
             assertDoesNotThrow(
-                    () -> connector.delete(SECRET_PATH + "/toDelete"),
-                    "Revocation threw unexpected exception"
+                () -> connector.delete(SECRET_PATH + "/toDelete"),
+                "Revocation threw unexpected exception"
             );
 
             // Try to read again.
             InvalidResponseException e = assertThrows(
-                    InvalidResponseException.class,
-                    () -> connector.read(SECRET_PATH + "/toDelete"),
-                    "Successfully read deleted secret"
+                InvalidResponseException.class,
+                () -> connector.read(SECRET_PATH + "/toDelete"),
+                "Successfully read deleted secret"
             );
             assertEquals(404, e.getStatusCode());
         }
@@ -296,19 +296,19 @@ class HTTPVaultConnectorIT {
 
             // Write a test secret to vault.
             assertDoesNotThrow(
-                    () -> connector.write(SECRET_PATH + "/toRevoke", "secret content"),
-                    "Secret written to inaccessible path"
+                () -> connector.write(SECRET_PATH + "/toRevoke", "secret content"),
+                "Secret written to inaccessible path"
             );
             SecretResponse res = assertDoesNotThrow(
-                    () -> connector.read(SECRET_PATH + "/toRevoke"),
-                    "Written secret could not be read"
+                () -> connector.read(SECRET_PATH + "/toRevoke"),
+                "Written secret could not be read"
             );
             assumeTrue(res != null);
 
             // Revoke secret.
             assertDoesNotThrow(
-                    () -> connector.revoke(SECRET_PATH + "/toRevoke"),
-                    "Revocation threw unexpected exception"
+                () -> connector.revoke(SECRET_PATH + "/toRevoke"),
+                "Revocation threw unexpected exception"
             );
         }
     }
@@ -337,8 +337,8 @@ class HTTPVaultConnectorIT {
 
             // Try to read accessible path with known value.
             SecretResponse res = assertDoesNotThrow(
-                    () -> connector.readSecretData(MOUNT_KV2, SECRET2_KEY),
-                    "Valid secret path could not be read"
+                () -> connector.readSecretData(MOUNT_KV2, SECRET2_KEY),
+                "Valid secret path could not be read"
             );
             assertNotNull(res.getMetadata(), "Metadata not populated for KV v2 secret");
             assertEquals(2, res.getMetadata().getVersion(), "Unexpected secret version");
@@ -346,8 +346,8 @@ class HTTPVaultConnectorIT {
 
             // Try to read different version of same secret.
             res = assertDoesNotThrow(
-                    () -> connector.readSecretVersion(MOUNT_KV2, SECRET2_KEY, 1),
-                    "Valid secret version could not be read"
+                () -> connector.readSecretVersion(MOUNT_KV2, SECRET2_KEY, 1),
+                "Valid secret version could not be read"
             );
             assertEquals(1, res.getMetadata().getVersion(), "Unexpected secret version");
             assertEquals(SECRET2_VALUE1, res.get("value"), "Known secret returned invalid value");
@@ -365,8 +365,8 @@ class HTTPVaultConnectorIT {
 
             // First get the current version of the secret.
             MetadataResponse res = assertDoesNotThrow(
-                    () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
-                    "Reading secret metadata failed"
+                () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
+                "Reading secret metadata failed"
             );
             int currentVersion = res.getMetadata().getCurrentVersion();
 
@@ -374,25 +374,25 @@ class HTTPVaultConnectorIT {
             Map<String, Object> data = new HashMap<>();
             data.put("value", SECRET2_VALUE3);
             SecretVersionResponse res2 = assertDoesNotThrow(
-                    () -> connector.writeSecretData(MOUNT_KV2, SECRET2_KEY, data),
-                    "Writing secret to KV v2 store failed"
+                () -> connector.writeSecretData(MOUNT_KV2, SECRET2_KEY, data),
+                "Writing secret to KV v2 store failed"
             );
             assertEquals(currentVersion + 1, res2.getMetadata().getVersion(), "Version not updated after writing secret");
             int currentVersion2 = res2.getMetadata().getVersion();
 
             // Verify the content.
             SecretResponse res3 = assertDoesNotThrow(
-                    () -> connector.readSecretData(MOUNT_KV2, SECRET2_KEY),
-                    "Reading secret from KV v2 store failed"
+                () -> connector.readSecretData(MOUNT_KV2, SECRET2_KEY),
+                "Reading secret from KV v2 store failed"
             );
             assertEquals(SECRET2_VALUE3, res3.get("value"), "Data not updated correctly");
 
             // Now try with explicit CAS value (invalid).
             Map<String, Object> data4 = singletonMap("value", SECRET2_VALUE4);
             assertThrows(
-                    InvalidResponseException.class,
-                    () -> connector.writeSecretData(MOUNT_KV2, SECRET2_KEY, data4, currentVersion2 - 1),
-                    "Writing secret to KV v2 with invalid CAS value succeeded"
+                InvalidResponseException.class,
+                () -> connector.writeSecretData(MOUNT_KV2, SECRET2_KEY, data4, currentVersion2 - 1),
+                "Writing secret to KV v2 with invalid CAS value succeeded"
             );
 
             // And finally with a correct CAS value.
@@ -412,22 +412,22 @@ class HTTPVaultConnectorIT {
 
             // Read current metadata first.
             MetadataResponse res = assertDoesNotThrow(
-                    () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
-                    "Reading secret metadata failed"
+                () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
+                "Reading secret metadata failed"
             );
             Integer maxVersions = res.getMetadata().getMaxVersions();
             assumeTrue(10 == res.getMetadata().getMaxVersions(), "Unexpected maximum number of versions");
 
             // Now update the metadata.
             assertDoesNotThrow(
-                    () -> connector.updateSecretMetadata(MOUNT_KV2, SECRET2_KEY, maxVersions + 1, true),
-                    "Updating secret metadata failed"
+                () -> connector.updateSecretMetadata(MOUNT_KV2, SECRET2_KEY, maxVersions + 1, true),
+                "Updating secret metadata failed"
             );
 
             // And verify the result.
             res = assertDoesNotThrow(
-                    () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
-                    "Reading secret metadata failed"
+                () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
+                "Reading secret metadata failed"
             );
             assertEquals(maxVersions + 1, res.getMetadata().getMaxVersions(), "Unexpected maximum number of versions");
         }
@@ -444,8 +444,8 @@ class HTTPVaultConnectorIT {
 
             // Try to read accessible path with known value.
             MetadataResponse res = assertDoesNotThrow(
-                    () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
-                    "Valid secret path could not be read"
+                () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
+                "Valid secret path could not be read"
             );
             assertNotNull(res.getMetadata(), "Metadata not populated for KV v2 secret");
             assertEquals(2, res.getMetadata().getCurrentVersion(), "Unexpected secret version");
@@ -467,79 +467,79 @@ class HTTPVaultConnectorIT {
 
             // Try to delete non-existing versions.
             assertDoesNotThrow(
-                    () -> connector.deleteSecretVersions(MOUNT_KV2, SECRET2_KEY, 5, 42),
-                    "Revealed non-existence of secret versions"
+                () -> connector.deleteSecretVersions(MOUNT_KV2, SECRET2_KEY, 5, 42),
+                "Revealed non-existence of secret versions"
             );
             assertDoesNotThrow(
-                    () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
-                    "Revealed non-existence of secret versions"
+                () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
+                "Revealed non-existence of secret versions"
             );
 
             // Now delete existing version and verify.
             assertDoesNotThrow(
-                    () -> connector.deleteSecretVersions(MOUNT_KV2, SECRET2_KEY, 1),
-                    "Deleting existing version failed"
+                () -> connector.deleteSecretVersions(MOUNT_KV2, SECRET2_KEY, 1),
+                "Deleting existing version failed"
             );
             MetadataResponse meta = assertDoesNotThrow(
-                    () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
-                    "Reading deleted secret metadata failed"
+                () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
+                "Reading deleted secret metadata failed"
             );
             assertNotNull(
-                    meta.getMetadata().getVersions().get(1).getDeletionTime(),
-                    "Expected deletion time for secret 1"
+                meta.getMetadata().getVersions().get(1).getDeletionTime(),
+                "Expected deletion time for secret 1"
             );
 
             // Undelete the just deleted version.
             assertDoesNotThrow(
-                    () -> connector.undeleteSecretVersions(MOUNT_KV2, SECRET2_KEY, 1),
-                    "Undeleting existing version failed"
+                () -> connector.undeleteSecretVersions(MOUNT_KV2, SECRET2_KEY, 1),
+                "Undeleting existing version failed"
             );
             meta = assertDoesNotThrow(
-                    () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
-                    "Reading deleted secret metadata failed"
+                () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
+                "Reading deleted secret metadata failed"
             );
             assertNull(
-                    meta.getMetadata().getVersions().get(1).getDeletionTime(),
-                    "Expected deletion time for secret 1 to be reset"
+                meta.getMetadata().getVersions().get(1).getDeletionTime(),
+                "Expected deletion time for secret 1 to be reset"
             );
 
             // Now destroy it.
             assertDoesNotThrow(
-                    () -> connector.destroySecretVersions(MOUNT_KV2, SECRET2_KEY, 1),
-                    "Destroying existing version failed"
+                () -> connector.destroySecretVersions(MOUNT_KV2, SECRET2_KEY, 1),
+                "Destroying existing version failed"
             );
             meta = assertDoesNotThrow(
-                    () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
-                    "Reading destroyed secret metadata failed"
+                () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
+                "Reading destroyed secret metadata failed"
             );
             assertTrue(
-                    meta.getMetadata().getVersions().get(1).isDestroyed(),
-                    "Expected secret 1 to be marked destroyed"
+                meta.getMetadata().getVersions().get(1).isDestroyed(),
+                "Expected secret 1 to be marked destroyed"
             );
 
             // Delete latest version.
             assertDoesNotThrow(
-                    () -> connector.deleteLatestSecretVersion(MOUNT_KV2, SECRET2_KEY),
-                    "Deleting latest version failed"
+                () -> connector.deleteLatestSecretVersion(MOUNT_KV2, SECRET2_KEY),
+                "Deleting latest version failed"
             );
             meta = assertDoesNotThrow(
-                    () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
-                    "Reading deleted secret metadata failed"
+                () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
+                "Reading deleted secret metadata failed"
             );
             assertNotNull(
-                    meta.getMetadata().getVersions().get(2).getDeletionTime(),
-                    "Expected secret 2 to be deleted"
+                meta.getMetadata().getVersions().get(2).getDeletionTime(),
+                "Expected secret 2 to be deleted"
             );
 
             // Delete all versions.
             assertDoesNotThrow(
-                    () -> connector.deleteAllSecretVersions(MOUNT_KV2, SECRET2_KEY),
-                    "Deleting latest version failed"
+                () -> connector.deleteAllSecretVersions(MOUNT_KV2, SECRET2_KEY),
+                "Deleting latest version failed"
             );
             assertThrows(
-                    InvalidResponseException.class,
-                    () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
-                    "Reading metadata of deleted secret should not succeed"
+                InvalidResponseException.class,
+                () -> connector.readSecretMetadata(MOUNT_KV2, SECRET2_KEY),
+                "Reading metadata of deleted secret should not succeed"
             );
         }
     }
@@ -566,17 +566,17 @@ class HTTPVaultConnectorIT {
 
             // Authenticate with correct credentials.
             assertDoesNotThrow(
-                    () -> connector.authAppRole(APPROLE_ROLE, APPROLE_SECRET),
-                    "Failed to authenticate using AppRole"
+                () -> connector.authAppRole(APPROLE_ROLE, APPROLE_SECRET),
+                "Failed to authenticate using AppRole"
             );
             assertTrue(connector.isAuthorized(), "Authorization flag not set after AppRole login");
 
             // Authenticate with valid secret ID against unknown role.
             final String invalidRole = "foo";
             InvalidResponseException e = assertThrows(
-                    InvalidResponseException.class,
-                    () -> connector.authAppRole(invalidRole, APPROLE_SECRET),
-                    "Successfully logged in with unknown role"
+                InvalidResponseException.class,
+                () -> connector.authAppRole(invalidRole, APPROLE_SECRET),
+                "Successfully logged in with unknown role"
             );
             // Assert that the exception does not reveal role ID or secret.
             assertFalse(stackTrace(e).contains(invalidRole));
@@ -585,9 +585,9 @@ class HTTPVaultConnectorIT {
             // Authenticate without wrong secret ID.
             final String invalidSecret = "foo";
             e = assertThrows(
-                    InvalidResponseException.class,
-                    () -> connector.authAppRole(APPROLE_ROLE, "foo"),
-                    "Successfully logged in without secret ID"
+                InvalidResponseException.class,
+                () -> connector.authAppRole(APPROLE_ROLE, "foo"),
+                "Successfully logged in without secret ID"
             );
             // Assert that the exception does not reveal role ID or secret.
             assertFalse(stackTrace(e).contains(APPROLE_ROLE));
@@ -595,17 +595,17 @@ class HTTPVaultConnectorIT {
 
             // Authenticate without secret ID.
             e = assertThrows(
-                    InvalidResponseException.class,
-                    () -> connector.authAppRole(APPROLE_ROLE),
-                    "Successfully logged in without secret ID"
+                InvalidResponseException.class,
+                () -> connector.authAppRole(APPROLE_ROLE),
+                "Successfully logged in without secret ID"
             );
             // Assert that the exception does not reveal role ID.
             assertFalse(stackTrace(e).contains(APPROLE_ROLE));
 
             // Authenticate with secret ID on role with CIDR whitelist.
             assertDoesNotThrow(
-                    () -> connector.authAppRole(APPROLE_ROLE2, APPROLE_SECRET),
-                    "Failed to log in without secret ID"
+                () -> connector.authAppRole(APPROLE_ROLE2, APPROLE_SECRET),
+                "Failed to log in without secret ID"
             );
             assertTrue(connector.isAuthorized(), "Authorization flag not set after AppRole login");
         }
@@ -687,8 +687,8 @@ class HTTPVaultConnectorIT {
 
             // Update role model with custom flags.
             AppRole role2 = AppRole.builder(roleName)
-                    .withTokenPeriod(321)
-                    .build();
+                .withTokenPeriod(321)
+                .build();
 
             // Create role.
             boolean res3 = assertDoesNotThrow(() -> connector.createAppRole(role2), "Role creation failed");
@@ -717,8 +717,8 @@ class HTTPVaultConnectorIT {
 
             // Create role by name with policies.
             assertDoesNotThrow(
-                    () -> connector.createAppRole(roleName3, Collections.singletonList("testpolicy")),
-                    "Creation of role by name failed"
+                () -> connector.createAppRole(roleName3, Collections.singletonList("testpolicy")),
+                "Creation of role by name failed"
             );
             res = assertDoesNotThrow(() -> connector.lookupAppRole(roleName3), "Creation of role by name failed");
             // Note: As of Vault 0.8.3 default policy is not added automatically, so this test should return 1, not 2.
@@ -727,9 +727,9 @@ class HTTPVaultConnectorIT {
             // Delete role.
             assertDoesNotThrow(() -> connector.deleteAppRole(roleName3), "Deletion of role failed");
             assertThrows(
-                    InvalidResponseException.class,
-                    () -> connector.lookupAppRole(roleName3),
-                    "Deleted role could be looked up"
+                InvalidResponseException.class,
+                () -> connector.lookupAppRole(roleName3),
+                "Deleted role could be looked up"
             );
         }
 
@@ -745,35 +745,35 @@ class HTTPVaultConnectorIT {
 
             // Create default (random) secret for existing role.
             AppRoleSecretResponse res = assertDoesNotThrow(
-                    () -> connector.createAppRoleSecret(APPROLE_ROLE_NAME),
-                    "AppRole secret creation failed"
+                () -> connector.createAppRoleSecret(APPROLE_ROLE_NAME),
+                "AppRole secret creation failed"
             );
             assertNotNull(res.getSecret(), "No secret returned");
 
             // Create secret with custom ID.
             String secretID = "customSecretId";
             res = assertDoesNotThrow(
-                    () -> connector.createAppRoleSecret(APPROLE_ROLE_NAME, secretID),
-                    "AppRole secret creation failed"
+                () -> connector.createAppRoleSecret(APPROLE_ROLE_NAME, secretID),
+                "AppRole secret creation failed"
             );
             assertEquals(secretID, res.getSecret().getId(), "Unexpected secret ID returned");
 
             // Lookup secret.
             res = assertDoesNotThrow(
-                    () -> connector.lookupAppRoleSecret(APPROLE_ROLE_NAME, secretID),
-                    "AppRole secret lookup failed"
+                () -> connector.lookupAppRoleSecret(APPROLE_ROLE_NAME, secretID),
+                "AppRole secret lookup failed"
             );
             assertNotNull(res.getSecret(), "No secret information returned");
 
             // Destroy secret.
             assertDoesNotThrow(
-                    () -> connector.destroyAppRoleSecret(APPROLE_ROLE_NAME, secretID),
-                    "AppRole secret destruction failed"
+                () -> connector.destroyAppRoleSecret(APPROLE_ROLE_NAME, secretID),
+                "AppRole secret destruction failed"
             );
             assertThrows(
-                    InvalidResponseException.class,
-                    () -> connector.lookupAppRoleSecret(APPROLE_ROLE_NAME, secretID),
-                    "Destroyed AppRole secret successfully read"
+                InvalidResponseException.class,
+                () -> connector.lookupAppRoleSecret(APPROLE_ROLE_NAME, secretID),
+                "Destroyed AppRole secret successfully read"
             );
         }
     }
@@ -791,17 +791,17 @@ class HTTPVaultConnectorIT {
         void authTokenTest() {
             final String invalidToken = "52135869df23a5e64c5d33a9785af5edb456b8a4a235d1fe135e6fba1c35edf6";
             VaultConnectorException e = assertThrows(
-                    VaultConnectorException.class,
-                    () -> connector.authToken(invalidToken),
-                    "Logged in with invalid token"
+                VaultConnectorException.class,
+                () -> connector.authToken(invalidToken),
+                "Logged in with invalid token"
             );
             // Assert that the exception does not reveal the token.
             assertFalse(stackTrace(e).contains(invalidToken));
 
 
             TokenResponse res = assertDoesNotThrow(
-                    () -> connector.authToken(TOKEN_ROOT),
-                    "Login failed with valid token"
+                () -> connector.authToken(TOKEN_ROOT),
+                "Login failed with valid token"
             );
             assertNotNull(res, "Login failed with valid token");
             assertTrue(connector.isAuthorized(), "Login failed with valid token");
@@ -819,10 +819,10 @@ class HTTPVaultConnectorIT {
 
             // Create token.
             Token token = Token.builder()
-                    .withId("test-id")
-                    .withType(Token.Type.SERVICE)
-                    .withDisplayName("test name")
-                    .build();
+                .withId("test-id")
+                .withType(Token.Type.SERVICE)
+                .withDisplayName("test name")
+                .build();
 
             // Create token.
             AuthResponse res = assertDoesNotThrow(() -> connector.createToken(token), "Token creation failed");
@@ -841,12 +841,12 @@ class HTTPVaultConnectorIT {
 
             // Create token with attributes.
             Token token2 = Token.builder()
-                    .withId("test-id2")
-                    .withDisplayName("test name 2")
-                    .withPolicies(Collections.singletonList("testpolicy"))
-                    .withoutDefaultPolicy()
-                    .withMeta("foo", "bar")
-                    .build();
+                .withId("test-id2")
+                .withDisplayName("test name 2")
+                .withPolicies(Collections.singletonList("testpolicy"))
+                .withoutDefaultPolicy()
+                .withMeta("foo", "bar")
+                .build();
             res = assertDoesNotThrow(() -> connector.createToken(token2), "Token creation failed");
             assertEquals("test-id2", res.getAuth().getClientToken(), "Invalid token ID returned");
             assertEquals(List.of("testpolicy"), res.getAuth().getPolicies(), "Invalid policies returned");
@@ -856,18 +856,18 @@ class HTTPVaultConnectorIT {
 
             // Overwrite token should fail as of Vault 0.8.0.
             Token token3 = Token.builder()
-                    .withId("test-id2")
-                    .withDisplayName("test name 3")
-                    .withPolicies(Arrays.asList("pol1", "pol2"))
-                    .withDefaultPolicy()
-                    .withMeta("test", "success")
-                    .withMeta("key", "value")
-                    .withTtl(1234)
-                    .build();
+                .withId("test-id2")
+                .withDisplayName("test name 3")
+                .withPolicies(Arrays.asList("pol1", "pol2"))
+                .withDefaultPolicy()
+                .withMeta("test", "success")
+                .withMeta("key", "value")
+                .withTtl(1234L)
+                .build();
             InvalidResponseException e = assertThrows(
-                    InvalidResponseException.class,
-                    () -> connector.createToken(token3),
-                    "Overwriting token should fail as of Vault 0.8.0"
+                InvalidResponseException.class,
+                () -> connector.createToken(token3),
+                "Overwriting token should fail as of Vault 0.8.0"
             );
             assertEquals(400, e.getStatusCode());
             // Assert that the exception does not reveal token ID.
@@ -875,16 +875,16 @@ class HTTPVaultConnectorIT {
 
             // Create token with batch type.
             Token token4 = Token.builder()
-                    .withDisplayName("test name 3")
-                    .withPolicy("batchpolicy")
-                    .withoutDefaultPolicy()
-                    .withType(Token.Type.BATCH)
-                    .build();
+                .withDisplayName("test name 3")
+                .withPolicy("batchpolicy")
+                .withoutDefaultPolicy()
+                .withType(Token.Type.BATCH)
+                .build();
             res = assertDoesNotThrow(() -> connector.createToken(token4), "Token creation failed");
             assertTrue(
-                    // Expecting batch token. "hvb." Prefix as of Vault 1.10, "b." before.
-                    res.getAuth().getClientToken().startsWith("b.") || res.getAuth().getClientToken().startsWith("hvb."),
-                    "Unexpected token prefix"
+                // Expecting batch token. "hvb." Prefix as of Vault 1.10, "b." before.
+                res.getAuth().getClientToken().startsWith("b.") || res.getAuth().getClientToken().startsWith("hvb."),
+                "Unexpected token prefix"
             );
             assertEquals(1, res.getAuth().getPolicies().size(), "Invalid number of policies returned");
             assertTrue(res.getAuth().getPolicies().contains("batchpolicy"), "Custom policy policy not set");
@@ -905,9 +905,9 @@ class HTTPVaultConnectorIT {
 
             // Create token with attributes.
             Token token = Token.builder()
-                    .withId("my-token")
-                    .withType(Token.Type.SERVICE)
-                    .build();
+                .withId("my-token")
+                .withType(Token.Type.SERVICE)
+                .build();
             assertDoesNotThrow(() -> connector.createToken(token), "Token creation failed");
 
             authRoot();
@@ -936,15 +936,15 @@ class HTTPVaultConnectorIT {
             final TokenRole role = TokenRole.builder().build();
 
             boolean creationRes = assertDoesNotThrow(
-                    () -> connector.createOrUpdateTokenRole(roleName, role),
-                    "Token role creation failed"
+                () -> connector.createOrUpdateTokenRole(roleName, role),
+                "Token role creation failed"
             );
             assertTrue(creationRes, "Token role creation failed");
 
             // Read the role.
             TokenRoleResponse res = assertDoesNotThrow(
-                    () -> connector.readTokenRole(roleName),
-                    "Reading token role failed"
+                () -> connector.readTokenRole(roleName),
+                "Reading token role failed"
             );
             assertNotNull(res, "Token role response must not be null");
             assertNotNull(res.getData(), "Token role must not be null");
@@ -955,16 +955,16 @@ class HTTPVaultConnectorIT {
 
             // Update the role, i.e. change some attributes.
             final TokenRole role2 = TokenRole.builder()
-                    .forName(roleName)
-                    .withPathSuffix("suffix")
-                    .orphan(true)
-                    .renewable(false)
-                    .withTokenNumUses(42)
-                    .build();
+                .forName(roleName)
+                .withPathSuffix("suffix")
+                .orphan(true)
+                .renewable(false)
+                .withTokenNumUses(42)
+                .build();
 
             creationRes = assertDoesNotThrow(
-                    () -> connector.createOrUpdateTokenRole(role2),
-                    "Token role update failed"
+                () -> connector.createOrUpdateTokenRole(role2),
+                "Token role update failed"
             );
             assertTrue(creationRes, "Token role update failed");
 
@@ -1072,8 +1072,8 @@ class HTTPVaultConnectorIT {
             assumeTrue(connector.isAuthorized());
 
             List<AuthBackend> supportedBackends = assertDoesNotThrow(
-                    () -> connector.getAuthBackends(),
-                    "Could not list supported auth backends"
+                () -> connector.getAuthBackends(),
+                "Could not list supported auth backends"
             );
 
             assertEquals(3, supportedBackends.size());
@@ -1089,17 +1089,17 @@ class HTTPVaultConnectorIT {
             final String invalidUser = "foo";
             final String invalidPass = "bar";
             VaultConnectorException e = assertThrows(
-                    VaultConnectorException.class,
-                    () -> connector.authUserPass(invalidUser, invalidPass),
-                    "Logged in with invalid credentials"
+                VaultConnectorException.class,
+                () -> connector.authUserPass(invalidUser, invalidPass),
+                "Logged in with invalid credentials"
             );
             // Assert that the exception does not reveal credentials.
             assertFalse(stackTrace(e).contains(invalidUser));
             assertFalse(stackTrace(e).contains(invalidPass));
 
             AuthResponse res = assertDoesNotThrow(
-                    () -> connector.authUserPass(USER_VALID, PASS_VALID),
-                    "Login failed with valid credentials: Exception thrown"
+                () -> connector.authUserPass(USER_VALID, PASS_VALID),
+                "Login failed with valid credentials: Exception thrown"
             );
             assertNotNull(res.getAuth(), "Login failed with valid credentials: Response not available");
             assertTrue(connector.isAuthorized(), "Login failed with valid credentials: Connector not authorized");
@@ -1113,14 +1113,14 @@ class HTTPVaultConnectorIT {
         @DisplayName("TLS connection test")
         void tlsConnectionTest() {
             assertThrows(
-                    VaultConnectorException.class,
-                    () -> connector.authToken("52135869df23a5e64c5d33a9785af5edb456b8a4a235d1fe135e6fba1c35edf6"),
-                    "Logged in with invalid token"
+                VaultConnectorException.class,
+                () -> connector.authToken("52135869df23a5e64c5d33a9785af5edb456b8a4a235d1fe135e6fba1c35edf6"),
+                "Logged in with invalid token"
             );
 
             TokenResponse res = assertDoesNotThrow(
-                    () -> connector.authToken(TOKEN_ROOT),
-                    "Login failed with valid token"
+                () -> connector.authToken(TOKEN_ROOT),
+                "Login failed with valid token"
             );
             assertNotNull(res, "Login failed with valid token");
             assertTrue(connector.isAuthorized(), "Login failed with valid token");
@@ -1207,22 +1207,22 @@ class HTTPVaultConnectorIT {
 
         // Generate vault local unencrypted configuration.
         VaultConfiguration config = new VaultConfiguration()
-                .withHost("localhost")
-                .withPort(getFreePort())
-                .withDataLocation(dataDir.toPath())
-                .disableMlock();
+            .withHost("localhost")
+            .withPort(getFreePort())
+            .withDataLocation(dataDir.toPath())
+            .disableMlock();
 
         // Enable TLS with custom certificate and key, if required.
         if (tls) {
             config.enableTLS()
-                    .withCert(getClass().getResource("/tls/server.pem").getPath())
-                    .withKey(getClass().getResource("/tls/server.key").getPath());
+                .withCert(getClass().getResource("/tls/server.pem").getPath())
+                .withKey(getClass().getResource("/tls/server.key").getPath());
         }
 
         // Write configuration file.
         File configFile = new File(dir, "vault.conf");
         try {
-            Files.write(configFile.toPath(), config.toString().getBytes(UTF_8));
+            Files.writeString(configFile.toPath(), config.toString(), UTF_8);
         } catch (IOException e) {
             throw new IllegalStateException("Unable to generate config file", e);
         }
@@ -1282,10 +1282,8 @@ class HTTPVaultConnectorIT {
 
             return socket.getLocalPort();
         } catch (IOException e) {
-            e.printStackTrace();
+            throw new IllegalStateException("Unable to find a free TCP port", e);
         }
-
-        throw new IllegalStateException("Unable to find a free TCP port");
     }
 
     /**

src/test/java/de/stklcode/jvault/connector/model/AppRoleSecretTest.java

@@ -35,8 +35,8 @@ import static org.junit.jupiter.api.Assumptions.assumeTrue;
 class AppRoleSecretTest extends AbstractModelTest<AppRoleSecret> {
     private static final String TEST_ID = "abc123";
     private static final Map<String, Object> TEST_META = Map.of(
-            "foo", "bar",
-            "number", 1337
+        "foo", "bar",
+        "number", 1337
     );
     private static final List<String> TEST_CIDR = List.of("203.0.113.0/24", "198.51.100.0/24");
 
@@ -122,8 +122,8 @@ class AppRoleSecretTest extends AbstractModelTest<AppRoleSecret> {
         String secretJson2 = commaSeparatedToList(secretJson);
 
         AppRoleSecret secret2 = assertDoesNotThrow(
-                () -> objectMapper.readValue(secretJson2, AppRoleSecret.class),
-                "Deserialization failed"
+            () -> objectMapper.readValue(secretJson2, AppRoleSecret.class),
+            "Deserialization failed"
         );
         assertEquals(secret2.getId(), secret.getId());
         assertEquals(secret2.getMetadata(), secret.getMetadata());
@@ -144,8 +144,8 @@ class AppRoleSecretTest extends AbstractModelTest<AppRoleSecret> {
         assumeTrue(secret.getTtl() == 12345);
         String secretJson3 = assertDoesNotThrow(() -> objectMapper.writeValueAsString(secret), "Serialization failed");
         secret2 = assertDoesNotThrow(
-                () -> objectMapper.readValue(commaSeparatedToList(secretJson3), AppRoleSecret.class),
-                "Deserialization failed"
+            () -> objectMapper.readValue(commaSeparatedToList(secretJson3), AppRoleSecret.class),
+            "Deserialization failed"
         );
         assertEquals(secret2.getId(), secret.getId());
         assertEquals(secret2.getMetadata(), secret.getMetadata());
@@ -159,9 +159,9 @@ class AppRoleSecretTest extends AbstractModelTest<AppRoleSecret> {
 
         // Those fields should be deserialized from JSON though.
         String secretJson4 = "{\"secret_id\":\"abc123\",\"metadata\":{\"number\":1337,\"foo\":\"bar\"}," +
-                "\"cidr_list\":[\"203.0.113.0/24\",\"198.51.100.0/24\"],\"secret_id_accessor\":\"TEST_ACCESSOR\"," +
-                "\"creation_time\":\"TEST_CREATION\",\"expiration_time\":\"TEST_EXPIRATION\"," +
-                "\"last_updated_time\":\"TEST_LASTUPDATE\",\"secret_id_num_uses\":678,\"secret_id_ttl\":12345}";
+            "\"cidr_list\":[\"203.0.113.0/24\",\"198.51.100.0/24\"],\"secret_id_accessor\":\"TEST_ACCESSOR\"," +
+            "\"creation_time\":\"TEST_CREATION\",\"expiration_time\":\"TEST_EXPIRATION\"," +
+            "\"last_updated_time\":\"TEST_LASTUPDATE\",\"secret_id_num_uses\":678,\"secret_id_ttl\":12345}";
         secret2 = assertDoesNotThrow(() -> objectMapper.readValue(secretJson4, AppRoleSecret.class), "Deserialization failed");
         assertEquals("TEST_ACCESSOR", secret2.getAccessor());
         assertEquals("TEST_CREATION", secret2.getCreationTime());
@@ -181,6 +181,6 @@ class AppRoleSecretTest extends AbstractModelTest<AppRoleSecret> {
 
     private static String commaSeparatedToList(String json) {
         return json.replaceAll("\"cidr_list\":\"([^\"]*)\"", "\"cidr_list\":[$1]")
-                .replaceAll("(\\d+\\.\\d+\\.\\d+\\.\\d+/\\d+)", "\"$1\"");
+            .replaceAll("(\\d+\\.\\d+\\.\\d+\\.\\d+/\\d+)", "\"$1\"");
     }
 }

src/test/java/de/stklcode/jvault/connector/model/AppRoleTest.java

@@ -42,18 +42,18 @@ class AppRoleTest extends AbstractModelTest<AppRole> {
     private static final String POLICY = "policy";
     private static final String POLICY_2 = "policy2";
     private static final Integer SECRET_ID_NUM_USES = 10;
-    private static final Integer SECRET_ID_TTL = 7200;
+    private static final Long SECRET_ID_TTL = 7200L;
     private static final Boolean LOCAL_SECRET_IDS = false;
-    private static final Integer TOKEN_TTL = 4800;
-    private static final Integer TOKEN_MAX_TTL = 9600;
-    private static final Integer TOKEN_EXPLICIT_MAX_TTL = 14400;
+    private static final Long TOKEN_TTL = 4800L;
+    private static final Long TOKEN_MAX_TTL = 9600L;
+    private static final Long TOKEN_EXPLICIT_MAX_TTL = 14400L;
     private static final Boolean TOKEN_NO_DEFAULT_POLICY = false;
     private static final Integer TOKEN_NUM_USES = 42;
     private static final Integer TOKEN_PERIOD = 1234;
     private static final Token.Type TOKEN_TYPE = Token.Type.DEFAULT_SERVICE;
     private static final String JSON_MIN = "{\"role_name\":\"" + NAME + "\"}";
     private static final String JSON_FULL = String.format("{\"role_name\":\"%s\",\"role_id\":\"%s\",\"bind_secret_id\":%s,\"secret_id_bound_cidrs\":\"%s\",\"secret_id_num_uses\":%d,\"secret_id_ttl\":%d,\"local_secret_ids\":%s,\"token_ttl\":%d,\"token_max_ttl\":%d,\"token_policies\":\"%s\",\"token_bound_cidrs\":\"%s\",\"token_explicit_max_ttl\":%d,\"token_no_default_policy\":%s,\"token_num_uses\":%d,\"token_period\":%d,\"token_type\":\"%s\"}",
-            NAME, ID, BIND_SECRET_ID, CIDR_1, SECRET_ID_NUM_USES, SECRET_ID_TTL, LOCAL_SECRET_IDS, TOKEN_TTL, TOKEN_MAX_TTL, POLICY, CIDR_1, TOKEN_EXPLICIT_MAX_TTL, TOKEN_NO_DEFAULT_POLICY, TOKEN_NUM_USES, TOKEN_PERIOD, TOKEN_TYPE.value());
+        NAME, ID, BIND_SECRET_ID, CIDR_1, SECRET_ID_NUM_USES, SECRET_ID_TTL, LOCAL_SECRET_IDS, TOKEN_TTL, TOKEN_MAX_TTL, POLICY, CIDR_1, TOKEN_EXPLICIT_MAX_TTL, TOKEN_NO_DEFAULT_POLICY, TOKEN_NUM_USES, TOKEN_PERIOD, TOKEN_TYPE.value());
 
     AppRoleTest() {
         super(AppRole.class);
@@ -62,22 +62,22 @@ class AppRoleTest extends AbstractModelTest<AppRole> {
     @Override
     protected AppRole createFull() {
         return AppRole.builder(NAME)
-                .withId(ID)
-                .withBindSecretID(BIND_SECRET_ID)
-                .withSecretIdBoundCidrs(BOUND_CIDR_LIST)
-                .withTokenPolicies(POLICIES)
-                .withSecretIdNumUses(SECRET_ID_NUM_USES)
-                .withSecretIdTtl(SECRET_ID_TTL)
-                .withLocalSecretIds(LOCAL_SECRET_IDS)
-                .withTokenTtl(TOKEN_TTL)
-                .withTokenMaxTtl(TOKEN_MAX_TTL)
-                .withTokenBoundCidrs(BOUND_CIDR_LIST)
-                .withTokenExplicitMaxTtl(TOKEN_EXPLICIT_MAX_TTL)
-                .withTokenNoDefaultPolicy(TOKEN_NO_DEFAULT_POLICY)
-                .withTokenNumUses(TOKEN_NUM_USES)
-                .withTokenPeriod(TOKEN_PERIOD)
-                .withTokenType(TOKEN_TYPE)
-                .build();
+            .withId(ID)
+            .withBindSecretID(BIND_SECRET_ID)
+            .withSecretIdBoundCidrs(BOUND_CIDR_LIST)
+            .withTokenPolicies(POLICIES)
+            .withSecretIdNumUses(SECRET_ID_NUM_USES)
+            .withSecretIdTtl(SECRET_ID_TTL)
+            .withLocalSecretIds(LOCAL_SECRET_IDS)
+            .withTokenTtl(TOKEN_TTL)
+            .withTokenMaxTtl(TOKEN_MAX_TTL)
+            .withTokenBoundCidrs(BOUND_CIDR_LIST)
+            .withTokenExplicitMaxTtl(TOKEN_EXPLICIT_MAX_TTL)
+            .withTokenNoDefaultPolicy(TOKEN_NO_DEFAULT_POLICY)
+            .withTokenNumUses(TOKEN_NUM_USES)
+            .withTokenPeriod(TOKEN_PERIOD)
+            .withTokenType(TOKEN_TYPE)
+            .build();
     }
 
     @BeforeAll
@@ -159,11 +159,11 @@ class AppRoleTest extends AbstractModelTest<AppRole> {
         assertEquals(1, role.getTokenBoundCidrs().size());
         assertEquals(CIDR_2, role.getTokenBoundCidrs().get(0));
         role = AppRole.builder(NAME)
-                .withSecretIdBoundCidrs(BOUND_CIDR_LIST)
-                .withSecretBoundCidr(CIDR_2)
-                .withTokenBoundCidrs(BOUND_CIDR_LIST)
-                .withTokenBoundCidr(CIDR_2)
-                .build();
+            .withSecretIdBoundCidrs(BOUND_CIDR_LIST)
+            .withSecretBoundCidr(CIDR_2)
+            .withTokenBoundCidrs(BOUND_CIDR_LIST)
+            .withTokenBoundCidr(CIDR_2)
+            .build();
         assertEquals(2, role.getSecretIdBoundCidrs().size());
         assertTrue(role.getSecretIdBoundCidrs().containsAll(List.of(CIDR_1, CIDR_2)));
         assertEquals(2, role.getTokenBoundCidrs().size());
@@ -174,9 +174,9 @@ class AppRoleTest extends AbstractModelTest<AppRole> {
         assertEquals(1, role.getTokenPolicies().size());
         assertEquals(POLICY_2, role.getTokenPolicies().get(0));
         role = AppRole.builder(NAME)
-                .withTokenPolicies(POLICIES)
-                .withTokenPolicy(POLICY_2)
-                .build();
+            .withTokenPolicies(POLICIES)
+            .withTokenPolicy(POLICY_2)
+            .build();
         assertEquals(2, role.getTokenPolicies().size());
         assertTrue(role.getTokenPolicies().containsAll(List.of(POLICY, POLICY_2)));
     }

src/test/java/de/stklcode/jvault/connector/model/TokenRoleTest.java

@@ -59,28 +59,28 @@ class TokenRoleTest extends AbstractModelTest<TokenRole> {
     private static final String TOKEN_BOUND_CIDR_2 = "198.51.100.0/24";
     private static final String TOKEN_BOUND_CIDR_3 = "203.0.113.0/24";
     private static final List<String> TOKEN_BOUND_CIDRS = Arrays.asList(TOKEN_BOUND_CIDR_2, TOKEN_BOUND_CIDR_1);
-    private static final Integer TOKEN_EXPLICIT_MAX_TTL = 1234;
+    private static final Long TOKEN_EXPLICIT_MAX_TTL = 1234L;
     private static final Boolean TOKEN_NO_DEFAULT_POLICY = false;
     private static final Integer TOKEN_NUM_USES = 5;
     private static final Integer TOKEN_PERIOD = 2345;
     private static final Token.Type TOKEN_TYPE = Token.Type.SERVICE;
 
     private static final String JSON_FULL = "{" +
-            "\"name\":\"" + NAME + "\"," +
-            "\"allowed_policies\":[\"" + ALLOWED_POLICY_1 + "\",\"" + ALLOWED_POLICY_2 + "\",\"" + ALLOWED_POLICY_3 + "\"]," +
-            "\"allowed_policies_glob\":[\"" + ALLOWED_POLICY_GLOB_1 + "\",\"" + ALLOWED_POLICY_GLOB_2 + "\",\"" + ALLOWED_POLICY_GLOB_3 + "\"]," +
-            "\"disallowed_policies\":[\"" + DISALLOWED_POLICY_1 + "\",\"" + DISALLOWED_POLICY_2 + "\",\"" + DISALLOWED_POLICY_3 + "\"]," +
-            "\"disallowed_policies_glob\":[\"" + DISALLOWED_POLICY_GLOB_1 + "\",\"" + DISALLOWED_POLICY_GLOB_2 + "\",\"" + DISALLOWED_POLICY_GLOB_3 + "\"]," +
-            "\"orphan\":" + ORPHAN + "," +
-            "\"renewable\":" + RENEWABLE + "," +
-            "\"path_suffix\":\"" + PATH_SUFFIX + "\"," +
-            "\"allowed_entity_aliases\":[\"" + ALLOWED_ENTITY_ALIAS_1 + "\",\"" + ALLOWED_ENTITY_ALIAS_3 + "\",\"" + ALLOWED_ENTITY_ALIAS_2 + "\"]," +
-            "\"token_bound_cidrs\":[\"" + TOKEN_BOUND_CIDR_3 + "\",\"" + TOKEN_BOUND_CIDR_2 + "\",\"" + TOKEN_BOUND_CIDR_1 + "\"]," +
-            "\"token_explicit_max_ttl\":" + TOKEN_EXPLICIT_MAX_TTL + "," +
-            "\"token_no_default_policy\":" + TOKEN_NO_DEFAULT_POLICY + "," +
-            "\"token_num_uses\":" + TOKEN_NUM_USES + "," +
-            "\"token_period\":" + TOKEN_PERIOD + "," +
-            "\"token_type\":\"" + TOKEN_TYPE.value() + "\"}";
+        "\"name\":\"" + NAME + "\"," +
+        "\"allowed_policies\":[\"" + ALLOWED_POLICY_1 + "\",\"" + ALLOWED_POLICY_2 + "\",\"" + ALLOWED_POLICY_3 + "\"]," +
+        "\"allowed_policies_glob\":[\"" + ALLOWED_POLICY_GLOB_1 + "\",\"" + ALLOWED_POLICY_GLOB_2 + "\",\"" + ALLOWED_POLICY_GLOB_3 + "\"]," +
+        "\"disallowed_policies\":[\"" + DISALLOWED_POLICY_1 + "\",\"" + DISALLOWED_POLICY_2 + "\",\"" + DISALLOWED_POLICY_3 + "\"]," +
+        "\"disallowed_policies_glob\":[\"" + DISALLOWED_POLICY_GLOB_1 + "\",\"" + DISALLOWED_POLICY_GLOB_2 + "\",\"" + DISALLOWED_POLICY_GLOB_3 + "\"]," +
+        "\"orphan\":" + ORPHAN + "," +
+        "\"renewable\":" + RENEWABLE + "," +
+        "\"path_suffix\":\"" + PATH_SUFFIX + "\"," +
+        "\"allowed_entity_aliases\":[\"" + ALLOWED_ENTITY_ALIAS_1 + "\",\"" + ALLOWED_ENTITY_ALIAS_3 + "\",\"" + ALLOWED_ENTITY_ALIAS_2 + "\"]," +
+        "\"token_bound_cidrs\":[\"" + TOKEN_BOUND_CIDR_3 + "\",\"" + TOKEN_BOUND_CIDR_2 + "\",\"" + TOKEN_BOUND_CIDR_1 + "\"]," +
+        "\"token_explicit_max_ttl\":" + TOKEN_EXPLICIT_MAX_TTL + "," +
+        "\"token_no_default_policy\":" + TOKEN_NO_DEFAULT_POLICY + "," +
+        "\"token_num_uses\":" + TOKEN_NUM_USES + "," +
+        "\"token_period\":" + TOKEN_PERIOD + "," +
+        "\"token_type\":\"" + TOKEN_TYPE.value() + "\"}";
 
     TokenRoleTest() {
         super(TokenRole.class);
@@ -89,28 +89,28 @@ class TokenRoleTest extends AbstractModelTest<TokenRole> {
     @Override
     protected TokenRole createFull() {
         return TokenRole.builder()
-                .forName(NAME)
-                .withAllowedPolicies(ALLOWED_POLICIES)
-                .withAllowedPolicy(ALLOWED_POLICY_3)
-                .withAllowedPolicyGlob(ALLOWED_POLICY_GLOB_1)
-                .withAllowedPoliciesGlob(ALLOWED_POLICIES_GLOB)
-                .withDisallowedPolicy(DISALLOWED_POLICY_1)
-                .withDisallowedPolicies(DISALLOWED_POLICIES)
-                .withDisallowedPoliciesGlob(DISALLOWED_POLICIES_GLOB)
-                .withDisallowedPolicyGlob(DISALLOWED_POLICY_GLOB_3)
-                .orphan(ORPHAN)
-                .renewable(RENEWABLE)
-                .withPathSuffix(PATH_SUFFIX)
-                .withAllowedEntityAliases(ALLOWED_ENTITY_ALIASES)
-                .withAllowedEntityAlias(ALLOWED_ENTITY_ALIAS_2)
-                .withTokenBoundCidr(TOKEN_BOUND_CIDR_3)
-                .withTokenBoundCidrs(TOKEN_BOUND_CIDRS)
-                .withTokenExplicitMaxTtl(TOKEN_EXPLICIT_MAX_TTL)
-                .withTokenNoDefaultPolicy(TOKEN_NO_DEFAULT_POLICY)
-                .withTokenNumUses(TOKEN_NUM_USES)
-                .withTokenPeriod(TOKEN_PERIOD)
-                .withTokenType(TOKEN_TYPE)
-                .build();
+            .forName(NAME)
+            .withAllowedPolicies(ALLOWED_POLICIES)
+            .withAllowedPolicy(ALLOWED_POLICY_3)
+            .withAllowedPolicyGlob(ALLOWED_POLICY_GLOB_1)
+            .withAllowedPoliciesGlob(ALLOWED_POLICIES_GLOB)
+            .withDisallowedPolicy(DISALLOWED_POLICY_1)
+            .withDisallowedPolicies(DISALLOWED_POLICIES)
+            .withDisallowedPoliciesGlob(DISALLOWED_POLICIES_GLOB)
+            .withDisallowedPolicyGlob(DISALLOWED_POLICY_GLOB_3)
+            .orphan(ORPHAN)
+            .renewable(RENEWABLE)
+            .withPathSuffix(PATH_SUFFIX)
+            .withAllowedEntityAliases(ALLOWED_ENTITY_ALIASES)
+            .withAllowedEntityAlias(ALLOWED_ENTITY_ALIAS_2)
+            .withTokenBoundCidr(TOKEN_BOUND_CIDR_3)
+            .withTokenBoundCidrs(TOKEN_BOUND_CIDRS)
+            .withTokenExplicitMaxTtl(TOKEN_EXPLICIT_MAX_TTL)
+            .withTokenNoDefaultPolicy(TOKEN_NO_DEFAULT_POLICY)
+            .withTokenNumUses(TOKEN_NUM_USES)
+            .withTokenPeriod(TOKEN_PERIOD)
+            .withTokenType(TOKEN_TYPE)
+            .build();
     }
 
     /**
@@ -141,24 +141,24 @@ class TokenRoleTest extends AbstractModelTest<TokenRole> {
     @Test
     void buildNullTest() throws JsonProcessingException {
         TokenRole role = TokenRole.builder()
-                .forName(null)
-                .withAllowedPolicies(null)
-                .withAllowedPolicy(null)
-                .withDisallowedPolicy(null)
-                .withDisallowedPolicies(null)
-                .orphan(null)
-                .renewable(null)
-                .withPathSuffix(null)
-                .withAllowedEntityAliases(null)
-                .withAllowedEntityAlias(null)
-                .withTokenBoundCidr(null)
-                .withTokenBoundCidrs(null)
-                .withTokenExplicitMaxTtl(null)
-                .withTokenNoDefaultPolicy(null)
-                .withTokenNumUses(null)
-                .withTokenPeriod(null)
-                .withTokenType(null)
-                .build();
+            .forName(null)
+            .withAllowedPolicies(null)
+            .withAllowedPolicy(null)
+            .withDisallowedPolicy(null)
+            .withDisallowedPolicies(null)
+            .orphan(null)
+            .renewable(null)
+            .withPathSuffix(null)
+            .withAllowedEntityAliases(null)
+            .withAllowedEntityAlias(null)
+            .withTokenBoundCidr(null)
+            .withTokenBoundCidrs(null)
+            .withTokenExplicitMaxTtl(null)
+            .withTokenNoDefaultPolicy(null)
+            .withTokenNumUses(null)
+            .withTokenPeriod(null)
+            .withTokenType(null)
+            .build();
 
         assertNull(role.getAllowedPolicies());
         assertNull(role.getDisallowedPolicies());

src/test/java/de/stklcode/jvault/connector/model/TokenTest.java

@@ -35,8 +35,8 @@ class TokenTest extends AbstractModelTest<Token> {
     private static final String DISPLAY_NAME = "display-name";
     private static final Boolean NO_PARENT = false;
     private static final Boolean NO_DEFAULT_POLICY = false;
-    private static final Integer TTL = 123;
-    private static final Integer EXPLICIT_MAX_TTL = 456;
+    private static final Long TTL = 123L;
+    private static final Long EXPLICIT_MAX_TTL = 456L;
     private static final Integer NUM_USES = 4;
     private static final List<String> POLICIES = new ArrayList<>();
     private static final String POLICY = "policy";
@@ -59,20 +59,20 @@ class TokenTest extends AbstractModelTest<Token> {
     @Override
     protected Token createFull() {
         return Token.builder()
-                .withId(ID)
-                .withType(Token.Type.SERVICE)
-                .withDisplayName(DISPLAY_NAME)
-                .withNoParent(NO_PARENT)
-                .withNoDefaultPolicy(NO_DEFAULT_POLICY)
-                .withTtl(TTL)
-                .withExplicitMaxTtl(EXPLICIT_MAX_TTL)
-                .withNumUses(NUM_USES)
-                .withPolicies(POLICIES)
-                .withMeta(META)
-                .withRenewable(RENEWABLE)
-                .withPeriod(PERIOD)
-                .withEntityAlias(ENTITY_ALIAS)
-                .build();
+            .withId(ID)
+            .withType(Token.Type.SERVICE)
+            .withDisplayName(DISPLAY_NAME)
+            .withNoParent(NO_PARENT)
+            .withNoDefaultPolicy(NO_DEFAULT_POLICY)
+            .withTtl(TTL)
+            .withExplicitMaxTtl(EXPLICIT_MAX_TTL)
+            .withNumUses(NUM_USES)
+            .withPolicies(POLICIES)
+            .withMeta(META)
+            .withRenewable(RENEWABLE)
+            .withPeriod(PERIOD)
+            .withEntityAlias(ENTITY_ALIAS)
+            .build();
     }
 
     @BeforeAll
@@ -159,9 +159,9 @@ class TokenTest extends AbstractModelTest<Token> {
         assertEquals(1, token.getPolicies().size());
         assertEquals(List.of(POLICY_2), token.getPolicies());
         token = Token.builder()
-                .withPolicies(POLICY, POLICY_2)
-                .withPolicy(POLICY_3)
-                .build();
+            .withPolicies(POLICY, POLICY_2)
+            .withPolicy(POLICY_3)
+            .build();
         assertEquals(3, token.getPolicies().size());
         assertTrue(token.getPolicies().containsAll(List.of(POLICY, POLICY_2, POLICY_3)));
 
@@ -171,9 +171,9 @@ class TokenTest extends AbstractModelTest<Token> {
         assertEquals(Set.of(META_KEY_2), token.getMeta().keySet());
         assertEquals(META_VALUE_2, token.getMeta().get(META_KEY_2));
         token = Token.builder()
-                .withMeta(META)
-                .withMeta(META_KEY_2, META_VALUE_2)
-                .build();
+            .withMeta(META)
+            .withMeta(META_KEY_2, META_VALUE_2)
+            .build();
         assertEquals(2, token.getMeta().size());
         assertEquals(META_VALUE, token.getMeta().get(META_KEY));
         assertEquals(META_VALUE_2, token.getMeta().get(META_KEY_2));

src/test/java/de/stklcode/jvault/connector/model/response/AppRoleResponseTest.java

@@ -16,7 +16,6 @@
 
 package de.stklcode.jvault.connector.model.response;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import de.stklcode.jvault.connector.model.AbstractModelTest;
 import de.stklcode.jvault.connector.model.AppRole;
 import org.junit.jupiter.api.Test;
@@ -32,34 +31,34 @@ import static org.junit.jupiter.api.Assertions.*;
  * @since 0.6.2
  */
 class AppRoleResponseTest extends AbstractModelTest<AppRoleResponse> {
-    private static final Integer ROLE_TOKEN_TTL = 1200;
-    private static final Integer ROLE_TOKEN_MAX_TTL = 1800;
-    private static final Integer ROLE_SECRET_TTL = 600;
+    private static final Long ROLE_TOKEN_TTL = 1200L;
+    private static final Long ROLE_TOKEN_MAX_TTL = 1800L;
+    private static final Long ROLE_SECRET_TTL = 600L;
     private static final Integer ROLE_SECRET_NUM_USES = 40;
     private static final String ROLE_POLICY = "default";
     private static final Integer ROLE_PERIOD = 0;
     private static final Boolean ROLE_BIND_SECRET = true;
 
     private static final String RES_JSON = "{\n" +
-            "  \"auth\": null,\n" +
-            "  \"warnings\": null,\n" +
-            "  \"wrap_info\": null,\n" +
-            "  \"data\": {\n" +
-            "    \"token_ttl\": " + ROLE_TOKEN_TTL + ",\n" +
-            "    \"token_max_ttl\": " + ROLE_TOKEN_MAX_TTL + ",\n" +
-            "    \"secret_id_ttl\": " + ROLE_SECRET_TTL + ",\n" +
-            "    \"secret_id_num_uses\": " + ROLE_SECRET_NUM_USES + ",\n" +
-            "    \"token_policies\": [\n" +
-            "      \"" + ROLE_POLICY + "\"\n" +
-            "    ],\n" +
-            "    \"token_period\": " + ROLE_PERIOD + ",\n" +
-            "    \"bind_secret_id\": " + ROLE_BIND_SECRET + ",\n" +
-            "    \"bound_cidr_list\": \"\"\n" +
-            "  },\n" +
-            "  \"lease_duration\": 0,\n" +
-            "  \"renewable\": false,\n" +
-            "  \"lease_id\": \"\"\n" +
-            "}";
+        "  \"auth\": null,\n" +
+        "  \"warnings\": null,\n" +
+        "  \"wrap_info\": null,\n" +
+        "  \"data\": {\n" +
+        "    \"token_ttl\": " + ROLE_TOKEN_TTL + ",\n" +
+        "    \"token_max_ttl\": " + ROLE_TOKEN_MAX_TTL + ",\n" +
+        "    \"secret_id_ttl\": " + ROLE_SECRET_TTL + ",\n" +
+        "    \"secret_id_num_uses\": " + ROLE_SECRET_NUM_USES + ",\n" +
+        "    \"token_policies\": [\n" +
+        "      \"" + ROLE_POLICY + "\"\n" +
+        "    ],\n" +
+        "    \"token_period\": " + ROLE_PERIOD + ",\n" +
+        "    \"bind_secret_id\": " + ROLE_BIND_SECRET + ",\n" +
+        "    \"bound_cidr_list\": \"\"\n" +
+        "  },\n" +
+        "  \"lease_duration\": 0,\n" +
+        "  \"renewable\": false,\n" +
+        "  \"lease_id\": \"\"\n" +
+        "}";
 
     AppRoleResponseTest() {
         super(AppRoleResponse.class);
@@ -67,12 +66,10 @@ class AppRoleResponseTest extends AbstractModelTest<AppRoleResponse> {
 
     @Override
     protected AppRoleResponse createFull() {
-        try {
-            return objectMapper.readValue(RES_JSON, AppRoleResponse.class);
-        } catch (JsonProcessingException e) {
-            fail("Creation of full model instance failed", e);
-            return null;
-        }
+        return assertDoesNotThrow(
+            () -> objectMapper.readValue(RES_JSON, AppRoleResponse.class),
+            "Creation of full model instance failed"
+        );
     }
 
     /**
@@ -91,8 +88,8 @@ class AppRoleResponseTest extends AbstractModelTest<AppRoleResponse> {
     @Test
     void jsonRoundtrip() {
         AppRoleResponse res = assertDoesNotThrow(
-                () -> objectMapper.readValue(RES_JSON, AppRoleResponse.class),
-                "AuthResponse deserialization failed"
+            () -> objectMapper.readValue(RES_JSON, AppRoleResponse.class),
+            "AuthResponse deserialization failed"
         );
         assertNotNull(res, "Parsed response is NULL");
         // Extract role data.

src/test/java/de/stklcode/jvault/connector/model/response/AuthMethodsResponseTest.java

@@ -16,7 +16,6 @@
 
 package de.stklcode.jvault.connector.model.response;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import de.stklcode.jvault.connector.model.AbstractModelTest;
 import de.stklcode.jvault.connector.model.AuthBackend;
 import de.stklcode.jvault.connector.model.response.embedded.AuthMethod;
@@ -45,44 +44,44 @@ class AuthMethodsResponseTest extends AbstractModelTest<AuthMethodsResponse> {
     private static final String TK_UUID = "32ea9681-6bd6-6cec-eec3-d11260ba9741";
     private static final String TK_ACCESSOR = "auth_token_ac0dd95a";
     private static final String TK_DESCR = "token based credentials";
-    private static final Integer TK_LEASE_TTL = 0;
+    private static final Long TK_LEASE_TTL = 0L;
     private static final Boolean TK_FORCE_NO_CACHE = false;
-    private static final Integer TK_MAX_LEASE_TTL = 0;
+    private static final Long TK_MAX_LEASE_TTL = 0L;
     private static final String TK_TOKEN_TYPE = "default-service";
     private static final String TK_RUNNING_PLUGIN_VERSION = "v1.15.3+builtin.vault";
 
     private static final String RES_JSON = "{\n" +
-            "  \"data\": {" +
-            "    \"" + GH_PATH + "\": {\n" +
-            "      \"uuid\": \"" + GH_UUID + "\",\n" +
-            "      \"type\": \"" + GH_TYPE + "\",\n" +
-            "      \"accessor\": \"" + GH_ACCESSOR + "\",\n" +
-            "      \"description\": \"" + GH_DESCR + "\",\n" +
-            "      \"external_entropy_access\": false,\n" +
-            "      \"local\": false,\n" +
-            "      \"seal_wrap\": false\n" +
-            "    },\n" +
-            "    \"" + TK_PATH + "\": {\n" +
-            "      \"config\": {\n" +
-            "        \"default_lease_ttl\": " + TK_LEASE_TTL + ",\n" +
-            "        \"force_no_cache\": " + TK_FORCE_NO_CACHE + ",\n" +
-            "        \"max_lease_ttl\": " + TK_MAX_LEASE_TTL + ",\n" +
-            "        \"token_type\": \"" + TK_TOKEN_TYPE + "\"\n" +
-            "      },\n" +
-            "      \"description\": \"" + TK_DESCR + "\",\n" +
-            "      \"options\": null,\n" +
-            "      \"plugin_version\": \"\",\n" +
-            "      \"running_plugin_version\": \"" + TK_RUNNING_PLUGIN_VERSION + "\",\n" +
-            "      \"running_sha256\": \"\",\n" +
-            "      \"type\": \"" + TK_TYPE + "\",\n" +
-            "      \"uuid\": \"" + TK_UUID + "\",\n" +
-            "      \"accessor\": \"" + TK_ACCESSOR + "\",\n" +
-            "      \"external_entropy_access\": false,\n" +
-            "      \"local\": true,\n" +
-            "      \"seal_wrap\": false\n" +
-            "    }\n" +
-            "  }\n" +
-            "}";
+        "  \"data\": {" +
+        "    \"" + GH_PATH + "\": {\n" +
+        "      \"uuid\": \"" + GH_UUID + "\",\n" +
+        "      \"type\": \"" + GH_TYPE + "\",\n" +
+        "      \"accessor\": \"" + GH_ACCESSOR + "\",\n" +
+        "      \"description\": \"" + GH_DESCR + "\",\n" +
+        "      \"external_entropy_access\": false,\n" +
+        "      \"local\": false,\n" +
+        "      \"seal_wrap\": false\n" +
+        "    },\n" +
+        "    \"" + TK_PATH + "\": {\n" +
+        "      \"config\": {\n" +
+        "        \"default_lease_ttl\": " + TK_LEASE_TTL + ",\n" +
+        "        \"force_no_cache\": " + TK_FORCE_NO_CACHE + ",\n" +
+        "        \"max_lease_ttl\": " + TK_MAX_LEASE_TTL + ",\n" +
+        "        \"token_type\": \"" + TK_TOKEN_TYPE + "\"\n" +
+        "      },\n" +
+        "      \"description\": \"" + TK_DESCR + "\",\n" +
+        "      \"options\": null,\n" +
+        "      \"plugin_version\": \"\",\n" +
+        "      \"running_plugin_version\": \"" + TK_RUNNING_PLUGIN_VERSION + "\",\n" +
+        "      \"running_sha256\": \"\",\n" +
+        "      \"type\": \"" + TK_TYPE + "\",\n" +
+        "      \"uuid\": \"" + TK_UUID + "\",\n" +
+        "      \"accessor\": \"" + TK_ACCESSOR + "\",\n" +
+        "      \"external_entropy_access\": false,\n" +
+        "      \"local\": true,\n" +
+        "      \"seal_wrap\": false\n" +
+        "    }\n" +
+        "  }\n" +
+        "}";
 
     AuthMethodsResponseTest() {
         super(AuthMethodsResponse.class);
@@ -90,12 +89,10 @@ class AuthMethodsResponseTest extends AbstractModelTest<AuthMethodsResponse> {
 
     @Override
     protected AuthMethodsResponse createFull() {
-        try {
-            return objectMapper.readValue(RES_JSON, AuthMethodsResponse.class);
-        } catch (JsonProcessingException e) {
-            fail("Creation of full model instance failed", e);
-            return null;
-        }
+        return assertDoesNotThrow(
+            () -> objectMapper.readValue(RES_JSON, AuthMethodsResponse.class),
+            "Creation of full model instance failed"
+        );
     }
 
     /**
@@ -114,8 +111,8 @@ class AuthMethodsResponseTest extends AbstractModelTest<AuthMethodsResponse> {
     @Test
     void jsonRoundtrip() {
         AuthMethodsResponse res = assertDoesNotThrow(
-                () -> objectMapper.readValue(RES_JSON, AuthMethodsResponse.class),
-                "AuthResponse deserialization failed"
+            () -> objectMapper.readValue(RES_JSON, AuthMethodsResponse.class),
+            "AuthResponse deserialization failed"
         );
         assertNotNull(res, "Parsed response is NULL");
         // Extract auth data.

src/test/java/de/stklcode/jvault/connector/model/response/AuthResponseTest.java

@@ -16,7 +16,6 @@
 
 package de.stklcode.jvault.connector.model.response;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import de.stklcode.jvault.connector.model.AbstractModelTest;
 import de.stklcode.jvault.connector.model.response.embedded.AuthData;
 import de.stklcode.jvault.connector.model.response.embedded.MfaConstraintAny;
@@ -101,12 +100,10 @@ class AuthResponseTest extends AbstractModelTest<AuthResponse> {
 
     @Override
     protected AuthResponse createFull() {
-        try {
-            return objectMapper.readValue(RES_JSON, AuthResponse.class);
-        } catch (JsonProcessingException e) {
-            fail("Creation of full model instance failed", e);
-            return null;
-        }
+        return assertDoesNotThrow(
+            () -> objectMapper.readValue(RES_JSON, AuthResponse.class),
+            "Creation of full model instance failed"
+        );
     }
 
     @Test
@@ -122,8 +119,8 @@ class AuthResponseTest extends AbstractModelTest<AuthResponse> {
     @Test
     void jsonRoundtrip() {
         AuthResponse res = assertDoesNotThrow(
-                () -> objectMapper.readValue(RES_JSON, AuthResponse.class),
-                "AuthResponse deserialization failed"
+            () -> objectMapper.readValue(RES_JSON, AuthResponse.class),
+            "AuthResponse deserialization failed"
         );
         assertNotNull(res, "Parsed response is NULL");
         // Extract auth data.

src/test/java/de/stklcode/jvault/connector/model/response/CredentialsResponseTest.java

@@ -16,7 +16,6 @@
 
 package de.stklcode.jvault.connector.model.response;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import de.stklcode.jvault.connector.model.AbstractModelTest;
 import org.junit.jupiter.api.Test;
 
@@ -32,16 +31,16 @@ class CredentialsResponseTest extends AbstractModelTest<CredentialsResponse> {
     private static final String VAL_USER = "testUserName";
     private static final String VAL_PASS = "5up3r5ecr3tP455";
     private static final String JSON = "{\n" +
-            "    \"request_id\": \"68315073-6658-e3ff-2da7-67939fb91bbd\",\n" +
-            "    \"lease_id\": \"\",\n" +
-            "    \"lease_duration\": 2764800,\n" +
-            "    \"renewable\": false,\n" +
-            "    \"data\": {\n" +
-            "        \"username\": \"" + VAL_USER + "\",\n" +
-            "        \"password\": \"" + VAL_PASS + "\"\n" +
-            "    },\n" +
-            "    \"warnings\": null\n" +
-            "}";
+        "    \"request_id\": \"68315073-6658-e3ff-2da7-67939fb91bbd\",\n" +
+        "    \"lease_id\": \"\",\n" +
+        "    \"lease_duration\": 2764800,\n" +
+        "    \"renewable\": false,\n" +
+        "    \"data\": {\n" +
+        "        \"username\": \"" + VAL_USER + "\",\n" +
+        "        \"password\": \"" + VAL_PASS + "\"\n" +
+        "    },\n" +
+        "    \"warnings\": null\n" +
+        "}";
 
     CredentialsResponseTest() {
         super(CredentialsResponse.class);
@@ -49,12 +48,10 @@ class CredentialsResponseTest extends AbstractModelTest<CredentialsResponse> {
 
     @Override
     protected CredentialsResponse createFull() {
-        try {
-            return objectMapper.readValue(JSON, CredentialsResponse.class);
-        } catch (JsonProcessingException e) {
-            fail("Creation of full model instance failed", e);
-            return null;
-        }
+        return assertDoesNotThrow(
+            () -> objectMapper.readValue(JSON, CredentialsResponse.class),
+            "Creation of full model instance failed"
+        );
     }
 
     /**
@@ -68,8 +65,8 @@ class CredentialsResponseTest extends AbstractModelTest<CredentialsResponse> {
         assertNull(res.getPassword(), "Password not present in data map should not return anything");
 
         res = assertDoesNotThrow(
-                () -> objectMapper.readValue(JSON, CredentialsResponse.class),
-                "Deserialization of CredentialsResponse failed"
+            () -> objectMapper.readValue(JSON, CredentialsResponse.class),
+            "Deserialization of CredentialsResponse failed"
         );
         assertEquals(VAL_USER, res.getUsername(), "Incorrect username");
         assertEquals(VAL_PASS, res.getPassword(), "Incorrect password");

src/test/java/de/stklcode/jvault/connector/model/response/ErrorResponseTest.java

@@ -16,7 +16,6 @@
 
 package de.stklcode.jvault.connector.model.response;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import de.stklcode.jvault.connector.model.AbstractModelTest;
 import org.junit.jupiter.api.Test;
 
@@ -42,12 +41,10 @@ class ErrorResponseTest extends AbstractModelTest<ErrorResponse> {
 
     @Override
     protected ErrorResponse createFull() {
-        try {
-            return objectMapper.readValue(JSON, ErrorResponse.class);
-        } catch (JsonProcessingException e) {
-            fail("Creation of full model instance failed", e);
-            return null;
-        }
+        return assertDoesNotThrow(
+            () -> objectMapper.readValue(JSON, ErrorResponse.class),
+            "Creation of full model instance failed"
+        );
     }
 
     /**
@@ -56,15 +53,15 @@ class ErrorResponseTest extends AbstractModelTest<ErrorResponse> {
     @Test
     void jsonRoundtrip() {
         ErrorResponse res = assertDoesNotThrow(
-                () -> objectMapper.readValue(JSON, ErrorResponse.class),
-                "ErrorResponse deserialization failed"
+            () -> objectMapper.readValue(JSON, ErrorResponse.class),
+            "ErrorResponse deserialization failed"
         );
         assertNotNull(res, "Parsed response is NULL");
         assertEquals(List.of(ERROR_1, ERROR_2), res.getErrors(), "Unexpected error messages");
         assertEquals(
-                JSON,
-                assertDoesNotThrow(() -> objectMapper.writeValueAsString(res), "ErrorResponse serialization failed"),
-                "Unexpected JSON string after serialization"
+            JSON,
+            assertDoesNotThrow(() -> objectMapper.writeValueAsString(res), "ErrorResponse serialization failed"),
+            "Unexpected JSON string after serialization"
         );
     }
 
@@ -72,14 +69,14 @@ class ErrorResponseTest extends AbstractModelTest<ErrorResponse> {
     @Test
     void testToString() {
         ErrorResponse res = assertDoesNotThrow(
-                () -> objectMapper.readValue(JSON, ErrorResponse.class),
-                "ErrorResponse deserialization failed"
+            () -> objectMapper.readValue(JSON, ErrorResponse.class),
+            "ErrorResponse deserialization failed"
         );
         assertEquals(ERROR_1, res.toString());
 
         res = assertDoesNotThrow(
-                () -> objectMapper.readValue(JSON_EMPTY, ErrorResponse.class),
-                "ErrorResponse deserialization failed with empty list"
+            () -> objectMapper.readValue(JSON_EMPTY, ErrorResponse.class),
+            "ErrorResponse deserialization failed with empty list"
         );
         assertEquals("error response", res.toString());
 

src/test/java/de/stklcode/jvault/connector/model/response/HealthResponseTest.java

@@ -16,7 +16,6 @@
 
 package de.stklcode.jvault.connector.model.response;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import de.stklcode.jvault.connector.model.AbstractModelTest;
 import org.junit.jupiter.api.Test;
 
@@ -45,21 +44,21 @@ class HealthResponseTest extends AbstractModelTest<HealthResponse> {
     private static final Boolean ENTERPRISE = false;
 
     private static final String RES_JSON = "{\n" +
-            "  \"cluster_id\": \"" + CLUSTER_ID + "\",\n" +
-            "  \"cluster_name\": \"" + CLUSTER_NAME + "\",\n" +
-            "  \"version\": \"" + VERSION + "\",\n" +
-            "  \"server_time_utc\": " + SERVER_TIME_UTC + ",\n" +
-            "  \"standby\": " + STANDBY + ",\n" +
-            "  \"sealed\": " + SEALED + ",\n" +
-            "  \"initialized\": " + INITIALIZED + ",\n" +
-            "  \"replication_performance_mode\": \"" + REPL_PERF_MODE + "\",\n" +
-            "  \"replication_dr_mode\": \"" + REPL_DR_MODE + "\",\n" +
-            "  \"performance_standby\": " + PERF_STANDBY + ",\n" +
-            "  \"echo_duration_ms\": " + ECHO_DURATION + ",\n" +
-            "  \"clock_skew_ms\": " + CLOCK_SKEW + ",\n" +
-            "  \"replication_primary_canary_age_ms\": " + REPL_PRIM_CANARY_AGE + ",\n" +
-            "  \"enterprise\": " + ENTERPRISE + "\n" +
-            "}";
+        "  \"cluster_id\": \"" + CLUSTER_ID + "\",\n" +
+        "  \"cluster_name\": \"" + CLUSTER_NAME + "\",\n" +
+        "  \"version\": \"" + VERSION + "\",\n" +
+        "  \"server_time_utc\": " + SERVER_TIME_UTC + ",\n" +
+        "  \"standby\": " + STANDBY + ",\n" +
+        "  \"sealed\": " + SEALED + ",\n" +
+        "  \"initialized\": " + INITIALIZED + ",\n" +
+        "  \"replication_performance_mode\": \"" + REPL_PERF_MODE + "\",\n" +
+        "  \"replication_dr_mode\": \"" + REPL_DR_MODE + "\",\n" +
+        "  \"performance_standby\": " + PERF_STANDBY + ",\n" +
+        "  \"echo_duration_ms\": " + ECHO_DURATION + ",\n" +
+        "  \"clock_skew_ms\": " + CLOCK_SKEW + ",\n" +
+        "  \"replication_primary_canary_age_ms\": " + REPL_PRIM_CANARY_AGE + ",\n" +
+        "  \"enterprise\": " + ENTERPRISE + "\n" +
+        "}";
 
     HealthResponseTest() {
         super(HealthResponse.class);
@@ -67,12 +66,10 @@ class HealthResponseTest extends AbstractModelTest<HealthResponse> {
 
     @Override
     protected HealthResponse createFull() {
-        try {
-            return objectMapper.readValue(RES_JSON, HealthResponse.class);
-        } catch (JsonProcessingException e) {
-            fail("Creation of full model instance failed", e);
-            return null;
-        }
+        return assertDoesNotThrow(
+            () -> objectMapper.readValue(RES_JSON, HealthResponse.class),
+            "Creation of full model instance failed"
+        );
     }
 
     /**
@@ -81,8 +78,8 @@ class HealthResponseTest extends AbstractModelTest<HealthResponse> {
     @Test
     void jsonRoundtrip() {
         HealthResponse res = assertDoesNotThrow(
-                () -> objectMapper.readValue(RES_JSON, HealthResponse.class),
-                "Health deserialization failed"
+            () -> objectMapper.readValue(RES_JSON, HealthResponse.class),
+            "Health deserialization failed"
         );
         assertNotNull(res, "Parsed response is NULL");
         assertEquals(CLUSTER_ID, res.getClusterID(), "Incorrect cluster ID");

src/test/java/de/stklcode/jvault/connector/model/response/HelpResponseTest.java

@@ -16,7 +16,6 @@
 
 package de.stklcode.jvault.connector.model.response;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import de.stklcode.jvault.connector.model.AbstractModelTest;
 import org.junit.jupiter.api.Test;
 
@@ -38,12 +37,10 @@ class HelpResponseTest extends AbstractModelTest<HelpResponse> {
 
     @Override
     protected HelpResponse createFull() {
-        try {
-            return objectMapper.readValue(JSON, HelpResponse.class);
-        } catch (JsonProcessingException e) {
-            fail("Creation of full model instance failed", e);
-            return null;
-        }
+        return assertDoesNotThrow(
+            () -> objectMapper.readValue(JSON, HelpResponse.class),
+            "Creation of full model instance failed"
+        );
     }
 
     /**
@@ -52,15 +49,15 @@ class HelpResponseTest extends AbstractModelTest<HelpResponse> {
     @Test
     void jsonRoundtrip() {
         HelpResponse res = assertDoesNotThrow(
-                () -> objectMapper.readValue(JSON, HelpResponse.class),
-                "HelpResponse deserialization failed"
+            () -> objectMapper.readValue(JSON, HelpResponse.class),
+            "HelpResponse deserialization failed"
         );
         assertNotNull(res, "Parsed response is NULL");
         assertEquals(HELP, res.getHelp(), "Unexpected help text");
         assertEquals(
-                JSON,
-                assertDoesNotThrow(() -> objectMapper.writeValueAsString(res), "HelpResponse serialization failed"),
-                "Unexpected JSON string after serialization"
+            JSON,
+            assertDoesNotThrow(() -> objectMapper.writeValueAsString(res), "HelpResponse serialization failed"),
+            "Unexpected JSON string after serialization"
         );
     }
 }

src/test/java/de/stklcode/jvault/connector/model/response/MetaSecretResponseTest.java

@@ -16,7 +16,6 @@
 
 package de.stklcode.jvault.connector.model.response;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import de.stklcode.jvault.connector.model.AbstractModelTest;
 import org.junit.jupiter.api.Test;
 
@@ -47,47 +46,47 @@ class MetaSecretResponseTest extends AbstractModelTest<MetaSecretResponse> {
     private static final String CUSTOM_META_VAL = "bar";
 
     private static final String SECRET_JSON_V2 = "{\n" +
-            "    \"request_id\": \"" + SECRET_REQUEST_ID + "\",\n" +
-            "    \"lease_id\": \"" + SECRET_LEASE_ID + "\",\n" +
-            "    \"lease_duration\": " + SECRET_LEASE_DURATION + ",\n" +
-            "    \"renewable\": " + SECRET_RENEWABLE + ",\n" +
-            "    \"data\": {\n" +
-            "      \"data\": {\n" +
-            "          \"" + SECRET_DATA_K1 + "\": \"" + SECRET_DATA_V1 + "\",\n" +
-            "          \"" + SECRET_DATA_K2 + "\": \"" + SECRET_DATA_V2 + "\"\n" +
-            "      },\n" +
-            "      \"metadata\": {\n" +
-            "          \"created_time\": \"" + SECRET_META_CREATED + "\",\n" +
-            "          \"custom_metadata\": null,\n" +
-            "          \"deletion_time\": \"\",\n" +
-            "          \"destroyed\": false,\n" +
-            "          \"version\": 1\n" +
-            "      }\n" +
-            "    },\n" +
-            "    \"warnings\": " + SECRET_WARNINGS + "\n" +
-            "}";
+        "    \"request_id\": \"" + SECRET_REQUEST_ID + "\",\n" +
+        "    \"lease_id\": \"" + SECRET_LEASE_ID + "\",\n" +
+        "    \"lease_duration\": " + SECRET_LEASE_DURATION + ",\n" +
+        "    \"renewable\": " + SECRET_RENEWABLE + ",\n" +
+        "    \"data\": {\n" +
+        "      \"data\": {\n" +
+        "          \"" + SECRET_DATA_K1 + "\": \"" + SECRET_DATA_V1 + "\",\n" +
+        "          \"" + SECRET_DATA_K2 + "\": \"" + SECRET_DATA_V2 + "\"\n" +
+        "      },\n" +
+        "      \"metadata\": {\n" +
+        "          \"created_time\": \"" + SECRET_META_CREATED + "\",\n" +
+        "          \"custom_metadata\": null,\n" +
+        "          \"deletion_time\": \"\",\n" +
+        "          \"destroyed\": false,\n" +
+        "          \"version\": 1\n" +
+        "      }\n" +
+        "    },\n" +
+        "    \"warnings\": " + SECRET_WARNINGS + "\n" +
+        "}";
     private static final String SECRET_JSON_V2_2 = "{\n" +
-            "    \"request_id\": \"" + SECRET_REQUEST_ID + "\",\n" +
-            "    \"lease_id\": \"" + SECRET_LEASE_ID + "\",\n" +
-            "    \"lease_duration\": " + SECRET_LEASE_DURATION + ",\n" +
-            "    \"renewable\": " + SECRET_RENEWABLE + ",\n" +
-            "    \"data\": {\n" +
-            "      \"data\": {\n" +
-            "          \"" + SECRET_DATA_K1 + "\": \"" + SECRET_DATA_V1 + "\",\n" +
-            "          \"" + SECRET_DATA_K2 + "\": \"" + SECRET_DATA_V2 + "\"\n" +
-            "      },\n" +
-            "      \"metadata\": {\n" +
-            "          \"created_time\": \"" + SECRET_META_CREATED + "\",\n" +
-            "          \"custom_metadata\": {" +
-            "            \"" + CUSTOM_META_KEY + "\": \"" + CUSTOM_META_VAL + "\"" +
-            "          },\n" +
-            "          \"deletion_time\": \"" + SECRET_META_DELETED + "\",\n" +
-            "          \"destroyed\": true,\n" +
-            "          \"version\": 2\n" +
-            "      }\n" +
-            "    },\n" +
-            "    \"warnings\": " + SECRET_WARNINGS + "\n" +
-            "}";
+        "    \"request_id\": \"" + SECRET_REQUEST_ID + "\",\n" +
+        "    \"lease_id\": \"" + SECRET_LEASE_ID + "\",\n" +
+        "    \"lease_duration\": " + SECRET_LEASE_DURATION + ",\n" +
+        "    \"renewable\": " + SECRET_RENEWABLE + ",\n" +
+        "    \"data\": {\n" +
+        "      \"data\": {\n" +
+        "          \"" + SECRET_DATA_K1 + "\": \"" + SECRET_DATA_V1 + "\",\n" +
+        "          \"" + SECRET_DATA_K2 + "\": \"" + SECRET_DATA_V2 + "\"\n" +
+        "      },\n" +
+        "      \"metadata\": {\n" +
+        "          \"created_time\": \"" + SECRET_META_CREATED + "\",\n" +
+        "          \"custom_metadata\": {" +
+        "            \"" + CUSTOM_META_KEY + "\": \"" + CUSTOM_META_VAL + "\"" +
+        "          },\n" +
+        "          \"deletion_time\": \"" + SECRET_META_DELETED + "\",\n" +
+        "          \"destroyed\": true,\n" +
+        "          \"version\": 2\n" +
+        "      }\n" +
+        "    },\n" +
+        "    \"warnings\": " + SECRET_WARNINGS + "\n" +
+        "}";
 
     MetaSecretResponseTest() {
         super(MetaSecretResponse.class);
@@ -95,12 +94,10 @@ class MetaSecretResponseTest extends AbstractModelTest<MetaSecretResponse> {
 
     @Override
     protected MetaSecretResponse createFull() {
-        try {
-            return objectMapper.readValue(SECRET_JSON_V2, MetaSecretResponse.class);
-        } catch (JsonProcessingException e) {
-            fail("Creation of full model instance failed", e);
-            return null;
-        }
+        return assertDoesNotThrow(
+            () -> objectMapper.readValue(SECRET_JSON_V2, MetaSecretResponse.class),
+            "Creation of full model instance failed"
+        );
     }
 
     /**
@@ -110,8 +107,8 @@ class MetaSecretResponseTest extends AbstractModelTest<MetaSecretResponse> {
     void jsonRoundtrip() {
         // KV v2 secret.
         MetaSecretResponse res = assertDoesNotThrow(
-                () -> objectMapper.readValue(SECRET_JSON_V2, MetaSecretResponse.class),
-                "SecretResponse deserialization failed"
+            () -> objectMapper.readValue(SECRET_JSON_V2, MetaSecretResponse.class),
+            "SecretResponse deserialization failed"
         );
         assertSecretData(res);
         assertNotNull(res.getMetadata(), "SecretResponse does not contain metadata");
@@ -123,8 +120,8 @@ class MetaSecretResponseTest extends AbstractModelTest<MetaSecretResponse> {
 
         // Deleted KV v2 secret.
         res = assertDoesNotThrow(
-                () -> objectMapper.readValue(SECRET_JSON_V2_2, MetaSecretResponse.class),
-                "SecretResponse deserialization failed"
+            () -> objectMapper.readValue(SECRET_JSON_V2_2, MetaSecretResponse.class),
+            "SecretResponse deserialization failed"
         );
         assertSecretData(res);
         assertNotNull(res.getMetadata(), "SecretResponse does not contain metadata");

src/test/java/de/stklcode/jvault/connector/model/response/MetadataResponseTest.java

@@ -16,7 +16,6 @@
 
 package de.stklcode.jvault.connector.model.response;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import de.stklcode.jvault.connector.model.AbstractModelTest;
 import org.junit.jupiter.api.Test;
 
@@ -43,36 +42,36 @@ class MetadataResponseTest extends AbstractModelTest<MetadataResponse> {
     private static final String DELETE_VERSION_AFTER = "0s";
 
     private static final String META_JSON = "{\n" +
-            "  \"data\": {\n" +
-            "    \"cas_required\": " + CAS_REQUIRED + ",\n" +
-            "    \"created_time\": \"" + V1_TIME + "\",\n" +
-            "    \"current_version\": " + CURRENT_VERSION + ",\n" +
-            "    \"custom_metadata\": {" +
-            "      \"" + CUSTOM_META_KEY + "\": \"" + CUSTOM_META_VAL + "\"" +
-            "    },\n" +
-            "    \"delete_version_after\": \"" + DELETE_VERSION_AFTER + "\"," +
-            "    \"max_versions\": " + MAX_VERSIONS + ",\n" +
-            "    \"oldest_version\": " + OLDEST_VERSION + ",\n" +
-            "    \"updated_time\": \"" + V3_TIME + "\",\n" +
-            "    \"versions\": {\n" +
-            "      \"1\": {\n" +
-            "        \"created_time\": \"" + V1_TIME + "\",\n" +
-            "        \"deletion_time\": \"" + V2_TIME + "\",\n" +
-            "        \"destroyed\": true\n" +
-            "      },\n" +
-            "      \"2\": {\n" +
-            "        \"created_time\": \"" + V2_TIME + "\",\n" +
-            "        \"deletion_time\": \"\",\n" +
-            "        \"destroyed\": false\n" +
-            "      },\n" +
-            "      \"3\": {\n" +
-            "        \"created_time\": \"" + V3_TIME + "\",\n" +
-            "        \"deletion_time\": \"\",\n" +
-            "        \"destroyed\": false\n" +
-            "      }\n" +
-            "    }\n" +
-            "  }\n" +
-            "}";
+        "  \"data\": {\n" +
+        "    \"cas_required\": " + CAS_REQUIRED + ",\n" +
+        "    \"created_time\": \"" + V1_TIME + "\",\n" +
+        "    \"current_version\": " + CURRENT_VERSION + ",\n" +
+        "    \"custom_metadata\": {" +
+        "      \"" + CUSTOM_META_KEY + "\": \"" + CUSTOM_META_VAL + "\"" +
+        "    },\n" +
+        "    \"delete_version_after\": \"" + DELETE_VERSION_AFTER + "\"," +
+        "    \"max_versions\": " + MAX_VERSIONS + ",\n" +
+        "    \"oldest_version\": " + OLDEST_VERSION + ",\n" +
+        "    \"updated_time\": \"" + V3_TIME + "\",\n" +
+        "    \"versions\": {\n" +
+        "      \"1\": {\n" +
+        "        \"created_time\": \"" + V1_TIME + "\",\n" +
+        "        \"deletion_time\": \"" + V2_TIME + "\",\n" +
+        "        \"destroyed\": true\n" +
+        "      },\n" +
+        "      \"2\": {\n" +
+        "        \"created_time\": \"" + V2_TIME + "\",\n" +
+        "        \"deletion_time\": \"\",\n" +
+        "        \"destroyed\": false\n" +
+        "      },\n" +
+        "      \"3\": {\n" +
+        "        \"created_time\": \"" + V3_TIME + "\",\n" +
+        "        \"deletion_time\": \"\",\n" +
+        "        \"destroyed\": false\n" +
+        "      }\n" +
+        "    }\n" +
+        "  }\n" +
+        "}";
 
     MetadataResponseTest() {
         super(MetadataResponse.class);
@@ -80,12 +79,10 @@ class MetadataResponseTest extends AbstractModelTest<MetadataResponse> {
 
     @Override
     protected MetadataResponse createFull() {
-        try {
-            return objectMapper.readValue(META_JSON, MetadataResponse.class);
-        } catch (JsonProcessingException e) {
-            fail("Creation of full model instance failed", e);
-            return null;
-        }
+        return assertDoesNotThrow(
+            () -> objectMapper.readValue(META_JSON, MetadataResponse.class),
+            "Creation of full model instance failed"
+        );
     }
 
     /**
@@ -94,8 +91,8 @@ class MetadataResponseTest extends AbstractModelTest<MetadataResponse> {
     @Test
     void jsonRoundtrip() {
         MetadataResponse res = assertDoesNotThrow(
-                () -> objectMapper.readValue(META_JSON, MetadataResponse.class),
-                "MetadataResponse deserialization failed"
+            () -> objectMapper.readValue(META_JSON, MetadataResponse.class),
+            "MetadataResponse deserialization failed"
         );
         assertNotNull(res, "Parsed response is NULL");
         assertNotNull(res.getMetadata(), "Parsed metadata is NULL");

src/test/java/de/stklcode/jvault/connector/model/response/PlainSecretResponseTest.java

@@ -17,7 +17,6 @@
 package de.stklcode.jvault.connector.model.response;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
-import com.fasterxml.jackson.core.JsonProcessingException;
 import de.stklcode.jvault.connector.exception.InvalidResponseException;
 import de.stklcode.jvault.connector.model.AbstractModelTest;
 import org.junit.jupiter.api.Test;
@@ -43,16 +42,16 @@ class PlainSecretResponseTest extends AbstractModelTest<PlainSecretResponse> {
     private static final String SECRET_DATA_V2 = "world";
     private static final List<String> SECRET_WARNINGS = null;
     private static final String SECRET_JSON = "{\n" +
-            "    \"request_id\": \"" + SECRET_REQUEST_ID + "\",\n" +
-            "    \"lease_id\": \"" + SECRET_LEASE_ID + "\",\n" +
-            "    \"lease_duration\": " + SECRET_LEASE_DURATION + ",\n" +
-            "    \"renewable\": " + SECRET_RENEWABLE + ",\n" +
-            "    \"data\": {\n" +
-            "        \"" + SECRET_DATA_K1 + "\": \"" + SECRET_DATA_V1 + "\",\n" +
-            "        \"" + SECRET_DATA_K2 + "\": \"" + SECRET_DATA_V2 + "\"\n" +
-            "    },\n" +
-            "    \"warnings\": " + SECRET_WARNINGS + "\n" +
-            "}";
+        "    \"request_id\": \"" + SECRET_REQUEST_ID + "\",\n" +
+        "    \"lease_id\": \"" + SECRET_LEASE_ID + "\",\n" +
+        "    \"lease_duration\": " + SECRET_LEASE_DURATION + ",\n" +
+        "    \"renewable\": " + SECRET_RENEWABLE + ",\n" +
+        "    \"data\": {\n" +
+        "        \"" + SECRET_DATA_K1 + "\": \"" + SECRET_DATA_V1 + "\",\n" +
+        "        \"" + SECRET_DATA_K2 + "\": \"" + SECRET_DATA_V2 + "\"\n" +
+        "    },\n" +
+        "    \"warnings\": " + SECRET_WARNINGS + "\n" +
+        "}";
 
     PlainSecretResponseTest() {
         super(PlainSecretResponse.class);
@@ -60,12 +59,10 @@ class PlainSecretResponseTest extends AbstractModelTest<PlainSecretResponse> {
 
     @Override
     protected PlainSecretResponse createFull() {
-        try {
-            return objectMapper.readValue(SECRET_JSON, PlainSecretResponse.class);
-        } catch (JsonProcessingException e) {
-            fail("Creation of full model instance failed", e);
-            return null;
-        }
+        return assertDoesNotThrow(
+            () -> objectMapper.readValue(SECRET_JSON, PlainSecretResponse.class),
+            "Creation of full model instance failed"
+        );
     }
 
     /**
@@ -74,8 +71,8 @@ class PlainSecretResponseTest extends AbstractModelTest<PlainSecretResponse> {
     @Test
     void jsonRoundtrip() {
         SecretResponse res = assertDoesNotThrow(
-                () -> objectMapper.readValue(SECRET_JSON, PlainSecretResponse.class),
-                "SecretResponse deserialization failed"
+            () -> objectMapper.readValue(SECRET_JSON, PlainSecretResponse.class),
+            "SecretResponse deserialization failed"
         );
 
         assertNotNull(res, "Parsed response is NULL");
@@ -106,74 +103,74 @@ class PlainSecretResponseTest extends AbstractModelTest<PlainSecretResponse> {
         final var complexVal = new ComplexType("val1", 678);
 
         SecretResponse res = assertDoesNotThrow(
-                () -> objectMapper.readValue(
-                        "{\n" +
-                                "  \"request_id\": \"req-id\",\n" +
-                                "  \"lease_id\": \"lea-id\",\n" +
-                                "  \"lease_duration\": " + 123456 + ",\n" +
-                                "  \"renewable\": true,\n" +
-                                "  \"data\": {\n" +
-                                "    \"" + stringKey + "\": \"" + stringVal + "\",\n" +
-                                "    \"" + numberKey + "\": \"" + numberVal + "\",\n" +
-                                "    \"" + listKey + "\": [\"" + String.join("\", \"", listVal) + "\"],\n" +
-                                "    \"" + complexKey + "\": {" +
-                                "      \"field1\": \"" + complexVal.field1 + "\",\n" +
-                                "      \"field2\": " + complexVal.field2 + "\n" +
-                                "    },\n" +
-                                "    \"" + complexKey + "Json\": \"" + objectMapper.writeValueAsString(complexVal).replace("\"", "\\\"") + "\"\n" +
-                                "  }\n" +
-                                "}",
-                        PlainSecretResponse.class
-                ),
-                "SecretResponse deserialization failed"
+            () -> objectMapper.readValue(
+                "{\n" +
+                    "  \"request_id\": \"req-id\",\n" +
+                    "  \"lease_id\": \"lea-id\",\n" +
+                    "  \"lease_duration\": " + 123456 + ",\n" +
+                    "  \"renewable\": true,\n" +
+                    "  \"data\": {\n" +
+                    "    \"" + stringKey + "\": \"" + stringVal + "\",\n" +
+                    "    \"" + numberKey + "\": \"" + numberVal + "\",\n" +
+                    "    \"" + listKey + "\": [\"" + String.join("\", \"", listVal) + "\"],\n" +
+                    "    \"" + complexKey + "\": {" +
+                    "      \"field1\": \"" + complexVal.field1 + "\",\n" +
+                    "      \"field2\": " + complexVal.field2 + "\n" +
+                    "    },\n" +
+                    "    \"" + complexKey + "Json\": \"" + objectMapper.writeValueAsString(complexVal).replace("\"", "\\\"") + "\"\n" +
+                    "  }\n" +
+                    "}",
+                PlainSecretResponse.class
+            ),
+            "SecretResponse deserialization failed"
         );
 
         assertEquals(stringVal, res.get(stringKey), "unexpected value for string (implicit)");
         assertEquals(
-                stringVal,
-                assertDoesNotThrow(() -> res.get(stringKey, String.class), "getting string failed"),
-                "unexpected value for string (explicit)"
+            stringVal,
+            assertDoesNotThrow(() -> res.get(stringKey, String.class), "getting string failed"),
+            "unexpected value for string (explicit)"
         );
 
         assertEquals(String.valueOf(numberVal), res.get(numberKey), "unexpected value for number (implicit)");
         assertEquals(
-                numberVal,
-                assertDoesNotThrow(() -> res.get(numberKey, Double.class), "getting number failed"),
-                "unexpected value for number (explicit)"
+            numberVal,
+            assertDoesNotThrow(() -> res.get(numberKey, Double.class), "getting number failed"),
+            "unexpected value for number (explicit)"
         );
         assertEquals(
-                String.valueOf(numberVal),
-                assertDoesNotThrow(() -> res.get(numberKey, String.class), "getting number as string failed"),
-                "unexpected value for number as string (explicit)"
+            String.valueOf(numberVal),
+            assertDoesNotThrow(() -> res.get(numberKey, String.class), "getting number as string failed"),
+            "unexpected value for number as string (explicit)"
         );
 
         assertEquals(listVal, res.get(listKey), "unexpected value for list (implicit)");
         assertEquals(
-                listVal,
-                assertDoesNotThrow(() -> res.get(listKey, ArrayList.class), "getting list failed"),
-                "unexpected value for list (explicit)"
+            listVal,
+            assertDoesNotThrow(() -> res.get(listKey, ArrayList.class), "getting list failed"),
+            "unexpected value for list (explicit)"
         );
 
         assertEquals(complexVal.toMap(), res.get(complexKey), "unexpected value for complex type (implicit)");
         assertEquals(
-                complexVal.toMap(),
-                assertDoesNotThrow(() -> res.get(complexKey, HashMap.class), "getting complex type as map failed"),
-                "unexpected value for complex type as map (explicit)"
+            complexVal.toMap(),
+            assertDoesNotThrow(() -> res.get(complexKey, HashMap.class), "getting complex type as map failed"),
+            "unexpected value for complex type as map (explicit)"
         );
         assertEquals(
-                complexVal,
-                assertDoesNotThrow(() -> res.get(complexKey, ComplexType.class), "getting complex type failed"),
-                "unexpected value for complex type (explicit)"
+            complexVal,
+            assertDoesNotThrow(() -> res.get(complexKey, ComplexType.class), "getting complex type failed"),
+            "unexpected value for complex type (explicit)"
         );
         assertThrows(
-                InvalidResponseException.class,
-                () -> res.get(complexKey, Integer.class),
-                "getting complex type as integer should fail"
+            InvalidResponseException.class,
+            () -> res.get(complexKey, Integer.class),
+            "getting complex type as integer should fail"
         );
         assertEquals(
-                complexVal,
-                assertDoesNotThrow(() -> res.get(complexKey + "Json", ComplexType.class), "getting complex type from JSON string failed"),
-                "unexpected value for complex type from JSON string"
+            complexVal,
+            assertDoesNotThrow(() -> res.get(complexKey + "Json", ComplexType.class), "getting complex type from JSON string failed"),
+            "unexpected value for complex type from JSON string"
         );
     }
 
@@ -199,8 +196,8 @@ class PlainSecretResponseTest extends AbstractModelTest<PlainSecretResponse> {
 
         private Map<String, Object> toMap() {
             return Map.of(
-                    "field1", field1,
-                    "field2", field2
+                "field1", field1,
+                "field2", field2
             );
         }
 

src/test/java/de/stklcode/jvault/connector/model/response/SealResponseTest.java

@@ -16,7 +16,6 @@
 
 package de.stklcode.jvault.connector.model.response;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import de.stklcode.jvault.connector.model.AbstractModelTest;
 import org.junit.jupiter.api.Test;
 
@@ -46,36 +45,36 @@ class SealResponseTest extends AbstractModelTest<SealResponse> {
     private static final String STORAGE_TYPE = "file";
 
     private static final String RES_SEALED = "{\n" +
-            "  \"type\": \"" + TYPE + "\",\n" +
-            "  \"sealed\": true,\n" +
-            "  \"initialized\": true,\n" +
-            "  \"t\": " + THRESHOLD + ",\n" +
-            "  \"n\": " + SHARES + ",\n" +
-            "  \"progress\": " + PROGRESS_SEALED + ",\n" +
-            "  \"nonce\": \"\",\n" +
-            "  \"version\": \"" + VERSION + "\",\n" +
-            "  \"build_date\": \"" + BUILD_DATE + "\",\n" +
-            "  \"migration\": \"" + MIGRATION + "\",\n" +
-            "  \"recovery_seal\": \"" + RECOVERY_SEAL + "\",\n" +
-            "  \"storage_type\": \"" + STORAGE_TYPE + "\"\n" +
-            "}";
+        "  \"type\": \"" + TYPE + "\",\n" +
+        "  \"sealed\": true,\n" +
+        "  \"initialized\": true,\n" +
+        "  \"t\": " + THRESHOLD + ",\n" +
+        "  \"n\": " + SHARES + ",\n" +
+        "  \"progress\": " + PROGRESS_SEALED + ",\n" +
+        "  \"nonce\": \"\",\n" +
+        "  \"version\": \"" + VERSION + "\",\n" +
+        "  \"build_date\": \"" + BUILD_DATE + "\",\n" +
+        "  \"migration\": \"" + MIGRATION + "\",\n" +
+        "  \"recovery_seal\": \"" + RECOVERY_SEAL + "\",\n" +
+        "  \"storage_type\": \"" + STORAGE_TYPE + "\"\n" +
+        "}";
 
     private static final String RES_UNSEALED = "{\n" +
-            "  \"type\": \"" + TYPE + "\",\n" +
-            "  \"sealed\": false,\n" +
-            "  \"initialized\": true,\n" +
-            "  \"t\": " + THRESHOLD + ",\n" +
-            "  \"n\": " + SHARES + ",\n" +
-            "  \"progress\": " + PROGRESS_UNSEALED + ",\n" +
-            "  \"version\": \"" + VERSION + "\",\n" +
-            "  \"build_date\": \"" + BUILD_DATE + "\",\n" +
-            "  \"cluster_name\": \"" + CLUSTER_NAME + "\",\n" +
-            "  \"cluster_id\": \"" + CLUSTER_ID + "\",\n" +
-            "  \"nonce\": \"" + NONCE + "\",\n" +
-            "  \"migration\": \"" + MIGRATION + "\",\n" +
-            "  \"recovery_seal\": \"" + RECOVERY_SEAL + "\",\n" +
-            "  \"storage_type\": \"" + STORAGE_TYPE + "\"\n" +
-            "}";
+        "  \"type\": \"" + TYPE + "\",\n" +
+        "  \"sealed\": false,\n" +
+        "  \"initialized\": true,\n" +
+        "  \"t\": " + THRESHOLD + ",\n" +
+        "  \"n\": " + SHARES + ",\n" +
+        "  \"progress\": " + PROGRESS_UNSEALED + ",\n" +
+        "  \"version\": \"" + VERSION + "\",\n" +
+        "  \"build_date\": \"" + BUILD_DATE + "\",\n" +
+        "  \"cluster_name\": \"" + CLUSTER_NAME + "\",\n" +
+        "  \"cluster_id\": \"" + CLUSTER_ID + "\",\n" +
+        "  \"nonce\": \"" + NONCE + "\",\n" +
+        "  \"migration\": \"" + MIGRATION + "\",\n" +
+        "  \"recovery_seal\": \"" + RECOVERY_SEAL + "\",\n" +
+        "  \"storage_type\": \"" + STORAGE_TYPE + "\"\n" +
+        "}";
 
     SealResponseTest() {
         super(SealResponse.class);
@@ -83,12 +82,10 @@ class SealResponseTest extends AbstractModelTest<SealResponse> {
 
     @Override
     protected SealResponse createFull() {
-        try {
-            return objectMapper.readValue(RES_UNSEALED, SealResponse.class);
-        } catch (JsonProcessingException e) {
-            fail("Creation of full model instance failed", e);
-            return null;
-        }
+        return assertDoesNotThrow(
+            () -> objectMapper.readValue(RES_UNSEALED, SealResponse.class),
+            "Creation of full model instance failed"
+        );
     }
 
     /**
@@ -98,8 +95,8 @@ class SealResponseTest extends AbstractModelTest<SealResponse> {
     void jsonRoundtripSealed() {
         // First test sealed Vault's response.
         SealResponse res = assertDoesNotThrow(
-                () -> objectMapper.readValue(RES_SEALED, SealResponse.class),
-                "SealResponse deserialization failed"
+            () -> objectMapper.readValue(RES_SEALED, SealResponse.class),
+            "SealResponse deserialization failed"
         );
         assertNotNull(res, "Parsed response is NULL");
         assertEquals(TYPE, res.getType(), "Incorrect seal type");
@@ -121,8 +118,8 @@ class SealResponseTest extends AbstractModelTest<SealResponse> {
 
         // Not test unsealed Vault's response.
         res = assertDoesNotThrow(
-                () -> objectMapper.readValue(RES_UNSEALED, SealResponse.class),
-                "SealResponse deserialization failed"
+            () -> objectMapper.readValue(RES_UNSEALED, SealResponse.class),
+            "SealResponse deserialization failed"
         );
         assertNotNull(res, "Parsed response is NULL");
         assertEquals(TYPE, res.getType(), "Incorrect seal type");

src/test/java/de/stklcode/jvault/connector/model/response/SecretListResponseTest.java

@@ -16,13 +16,13 @@
 
 package de.stklcode.jvault.connector.model.response;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import de.stklcode.jvault.connector.model.AbstractModelTest;
 import org.junit.jupiter.api.Test;
 
 import java.util.List;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 /**
  * JUnit Test for {@link SecretListResponse} model.
@@ -34,17 +34,17 @@ class SecretListResponseTest extends AbstractModelTest<SecretListResponse> {
     private static final String KEY1 = "key1";
     private static final String KEY2 = "key-2";
     private static final String JSON = "{\n" +
-            "  \"auth\": null,\n" +
-            "  \"data\": {\n" +
-            "    \"keys\": [" +
-            "      \"" + KEY1 + "\",\n" +
-            "      \"" + KEY2 + "\"\n" +
-            "    ]\n" +
-            "  },\n" +
-            "  \"lease_duration\": 2764800,\n" +
-            "  \"lease_id\": \"\",\n" +
-            "  \"renewable\": false\n" +
-            "}";
+        "  \"auth\": null,\n" +
+        "  \"data\": {\n" +
+        "    \"keys\": [" +
+        "      \"" + KEY1 + "\",\n" +
+        "      \"" + KEY2 + "\"\n" +
+        "    ]\n" +
+        "  },\n" +
+        "  \"lease_duration\": 2764800,\n" +
+        "  \"lease_id\": \"\",\n" +
+        "  \"renewable\": false\n" +
+        "}";
 
     SecretListResponseTest() {
         super(SecretListResponse.class);
@@ -52,12 +52,10 @@ class SecretListResponseTest extends AbstractModelTest<SecretListResponse> {
 
     @Override
     protected SecretListResponse createFull() {
-        try {
-            return objectMapper.readValue(JSON, SecretListResponse.class);
-        } catch (JsonProcessingException e) {
-            fail("Creation of full model instance failed", e);
-            return null;
-        }
+        return assertDoesNotThrow(
+            () -> objectMapper.readValue(JSON, SecretListResponse.class),
+            "Creation of full model instance failed"
+        );
     }
 
     /**
@@ -66,8 +64,8 @@ class SecretListResponseTest extends AbstractModelTest<SecretListResponse> {
     @Test
     void getKeysTest() {
         SecretListResponse res = assertDoesNotThrow(
-                () -> objectMapper.readValue(JSON, SecretListResponse.class),
-                "SecretListResponse deserialization failed"
+            () -> objectMapper.readValue(JSON, SecretListResponse.class),
+            "SecretListResponse deserialization failed"
         );
 
         assertEquals(List.of(KEY1, KEY2), res.getKeys(), "Unexpected secret keys");

src/test/java/de/stklcode/jvault/connector/model/response/SecretVersionResponseTest.java

@@ -16,7 +16,6 @@
 
 package de.stklcode.jvault.connector.model.response;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import de.stklcode.jvault.connector.model.AbstractModelTest;
 import org.junit.jupiter.api.Test;
 
@@ -34,13 +33,13 @@ class SecretVersionResponseTest extends AbstractModelTest<SecretVersionResponse>
     private static final Integer VERSION = 42;
 
     private static final String META_JSON = "{\n" +
-            "  \"data\": {\n" +
-            "    \"created_time\": \"" + CREATION_TIME + "\",\n" +
-            "    \"deletion_time\": \"" + DELETION_TIME + "\",\n" +
-            "    \"destroyed\": false,\n" +
-            "    \"version\": " + VERSION + "\n" +
-            "  }\n" +
-            "}";
+        "  \"data\": {\n" +
+        "    \"created_time\": \"" + CREATION_TIME + "\",\n" +
+        "    \"deletion_time\": \"" + DELETION_TIME + "\",\n" +
+        "    \"destroyed\": false,\n" +
+        "    \"version\": " + VERSION + "\n" +
+        "  }\n" +
+        "}";
 
     SecretVersionResponseTest() {
         super(SecretVersionResponse.class);
@@ -48,12 +47,10 @@ class SecretVersionResponseTest extends AbstractModelTest<SecretVersionResponse>
 
     @Override
     protected SecretVersionResponse createFull() {
-        try {
-            return objectMapper.readValue(META_JSON, SecretVersionResponse.class);
-        } catch (JsonProcessingException e) {
-            fail("Creation of full model instance failed", e);
-            return null;
-        }
+        return assertDoesNotThrow(
+            () -> objectMapper.readValue(META_JSON, SecretVersionResponse.class),
+            "Creation of full model instance failed"
+        );
     }
 
     /**
@@ -62,8 +59,8 @@ class SecretVersionResponseTest extends AbstractModelTest<SecretVersionResponse>
     @Test
     void jsonRoundtrip() {
         SecretVersionResponse res = assertDoesNotThrow(
-                () -> objectMapper.readValue(META_JSON, SecretVersionResponse.class),
-                "SecretVersionResponse deserialization failed"
+            () -> objectMapper.readValue(META_JSON, SecretVersionResponse.class),
+            "SecretVersionResponse deserialization failed"
         );
         assertNotNull(res, "Parsed response is NULL");
         assertNotNull(res.getMetadata(), "Parsed metadata is NULL");

src/test/java/de/stklcode/jvault/connector/model/response/TokenResponseTest.java

@@ -16,7 +16,6 @@
 
 package de.stklcode.jvault.connector.model.response;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import de.stklcode.jvault.connector.model.AbstractModelTest;
 import de.stklcode.jvault.connector.model.response.embedded.TokenData;
 import org.junit.jupiter.api.Test;
@@ -35,8 +34,8 @@ import static org.junit.jupiter.api.Assertions.*;
  */
 class TokenResponseTest extends AbstractModelTest<TokenResponse> {
     private static final Integer TOKEN_CREATION_TIME = 1457533232;
-    private static final Integer TOKEN_TTL = 2764800;
-    private static final Integer TOKEN_EXPLICIT_MAX_TTL = 0;
+    private static final Long TOKEN_TTL = 2764800L;
+    private static final Long TOKEN_EXPLICIT_MAX_TTL = 0L;
     private static final String TOKEN_DISPLAY_NAME = "token";
     private static final String TOKEN_META_KEY = "foo";
     private static final String TOKEN_META_VALUE = "bar";
@@ -47,7 +46,7 @@ class TokenResponseTest extends AbstractModelTest<TokenResponse> {
     private static final String TOKEN_POLICY_1 = "default";
     private static final String TOKEN_POLICY_2 = "web";
     private static final Boolean RES_RENEWABLE = false;
-    private static final Integer RES_TTL = 2591976;
+    private static final Long RES_TTL = 2591976L;
     private static final Integer RES_LEASE_DURATION = 0;
     private static final String TOKEN_ACCESSOR = "VKvzT2fKHFsZFUus9LyoXCvu";
     private static final String TOKEN_ENTITY_ID = "7d2e3179-f69b-450c-7179-ac8ee8bd8ca9";
@@ -58,37 +57,37 @@ class TokenResponseTest extends AbstractModelTest<TokenResponse> {
     private static final String MOUNT_TYPE = "token";
 
     private static final String RES_JSON = "{\n" +
-            "  \"lease_id\": \"\",\n" +
-            "  \"renewable\": " + RES_RENEWABLE + ",\n" +
-            "  \"lease_duration\": " + RES_LEASE_DURATION + ",\n" +
-            "  \"data\": {\n" +
-            "    \"accessor\": \"" + TOKEN_ACCESSOR + "\",\n" +
-            "    \"creation_time\": " + TOKEN_CREATION_TIME + ",\n" +
-            "    \"creation_ttl\": " + TOKEN_TTL + ",\n" +
-            "    \"display_name\": \"" + TOKEN_DISPLAY_NAME + "\",\n" +
-            "    \"entity_id\": \"" + TOKEN_ENTITY_ID + "\",\n" +
-            "    \"expire_time\": \"" + TOKEN_EXPIRE_TIME + "\",\n" +
-            "    \"explicit_max_ttl\": \"" + TOKEN_EXPLICIT_MAX_TTL + "\",\n" +
-            "    \"id\": \"" + TOKEN_ID + "\",\n" +
-            "    \"issue_time\": \"" + TOKEN_ISSUE_TIME + "\",\n" +
-            "    \"meta\": {\n" +
-            "      \"" + TOKEN_META_KEY + "\": \"" + TOKEN_META_VALUE + "\"\n" +
-            "    },\n" +
-            "    \"num_uses\": " + TOKEN_NUM_USES + ",\n" +
-            "    \"orphan\": " + TOKEN_ORPHAN + ",\n" +
-            "    \"path\": \"" + TOKEN_PATH + "\",\n" +
-            "    \"policies\": [\n" +
-            "      \"" + TOKEN_POLICY_1 + "\", \n" +
-            "      \"" + TOKEN_POLICY_2 + "\"\n" +
-            "    ],\n" +
-            "    \"renewable\": " + TOKEN_RENEWABLE + ",\n" +
-            "    \"ttl\": " + RES_TTL + ",\n" +
-            "    \"type\": \"" + TOKEN_TYPE + "\"\n" +
-            "  },\n" +
-            "  \"warnings\": null,\n" +
-            "  \"auth\": null,\n" +
-            "  \"mount_type\": \"" + MOUNT_TYPE + "\"\n" +
-            "}";
+        "  \"lease_id\": \"\",\n" +
+        "  \"renewable\": " + RES_RENEWABLE + ",\n" +
+        "  \"lease_duration\": " + RES_LEASE_DURATION + ",\n" +
+        "  \"data\": {\n" +
+        "    \"accessor\": \"" + TOKEN_ACCESSOR + "\",\n" +
+        "    \"creation_time\": " + TOKEN_CREATION_TIME + ",\n" +
+        "    \"creation_ttl\": " + TOKEN_TTL + ",\n" +
+        "    \"display_name\": \"" + TOKEN_DISPLAY_NAME + "\",\n" +
+        "    \"entity_id\": \"" + TOKEN_ENTITY_ID + "\",\n" +
+        "    \"expire_time\": \"" + TOKEN_EXPIRE_TIME + "\",\n" +
+        "    \"explicit_max_ttl\": \"" + TOKEN_EXPLICIT_MAX_TTL + "\",\n" +
+        "    \"id\": \"" + TOKEN_ID + "\",\n" +
+        "    \"issue_time\": \"" + TOKEN_ISSUE_TIME + "\",\n" +
+        "    \"meta\": {\n" +
+        "      \"" + TOKEN_META_KEY + "\": \"" + TOKEN_META_VALUE + "\"\n" +
+        "    },\n" +
+        "    \"num_uses\": " + TOKEN_NUM_USES + ",\n" +
+        "    \"orphan\": " + TOKEN_ORPHAN + ",\n" +
+        "    \"path\": \"" + TOKEN_PATH + "\",\n" +
+        "    \"policies\": [\n" +
+        "      \"" + TOKEN_POLICY_1 + "\", \n" +
+        "      \"" + TOKEN_POLICY_2 + "\"\n" +
+        "    ],\n" +
+        "    \"renewable\": " + TOKEN_RENEWABLE + ",\n" +
+        "    \"ttl\": " + RES_TTL + ",\n" +
+        "    \"type\": \"" + TOKEN_TYPE + "\"\n" +
+        "  },\n" +
+        "  \"warnings\": null,\n" +
+        "  \"auth\": null,\n" +
+        "  \"mount_type\": \"" + MOUNT_TYPE + "\"\n" +
+        "}";
 
     TokenResponseTest() {
         super(TokenResponse.class);
@@ -96,12 +95,10 @@ class TokenResponseTest extends AbstractModelTest<TokenResponse> {
 
     @Override
     protected TokenResponse createFull() {
-        try {
-            return objectMapper.readValue(RES_JSON, TokenResponse.class);
-        } catch (JsonProcessingException e) {
-            fail("Creation of full model instance failed", e);
-            return null;
-        }
+        return assertDoesNotThrow(
+            () -> objectMapper.readValue(RES_JSON, TokenResponse.class),
+            "Creation of full model instance failed"
+        );
     }
 
     /**
@@ -120,8 +117,8 @@ class TokenResponseTest extends AbstractModelTest<TokenResponse> {
     @Test
     void jsonRoundtrip() {
         TokenResponse res = assertDoesNotThrow(
-                () -> objectMapper.readValue(RES_JSON, TokenResponse.class),
-                "TokenResponse deserialization failed"
+            () -> objectMapper.readValue(RES_JSON, TokenResponse.class),
+            "TokenResponse deserialization failed"
         );
         assertNotNull(res, "Parsed response is NULL");
         assertEquals(RES_LEASE_DURATION, res.getLeaseDuration(), "Incorrect lease duration");

src/test/java/de/stklcode/jvault/connector/model/response/TransitResponseTest.java

@@ -16,7 +16,6 @@
 
 package de.stklcode.jvault.connector.model.response;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import de.stklcode.jvault.connector.model.AbstractModelTest;
 import org.junit.jupiter.api.Test;
 
@@ -39,19 +38,17 @@ class TransitResponseTest extends AbstractModelTest<TransitResponse> {
 
     @Override
     protected TransitResponse createFull() {
-        try {
-            return objectMapper.readValue(
+        return assertDoesNotThrow(
+            () -> objectMapper.readValue(
                 json(
                     "\"ciphertext\": \"" + CIPHERTEXT + "\", " +
                         "\"plaintext\": \"" + PLAINTEXT + "\", " +
                         "\"sum\": \"" + SUM + "\""
                 ),
                 TransitResponse.class
-            );
-        } catch (JsonProcessingException e) {
-            fail("Creation of full model failed", e);
-            return null;
-        }
+            ),
+            "Creation of full model failed"
+        );
     }
 
     @Test

src/test/java/de/stklcode/jvault/connector/model/response/embedded/MountConfigTest.java

@@ -1,6 +1,5 @@
 package de.stklcode.jvault.connector.model.response.embedded;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import de.stklcode.jvault.connector.model.AbstractModelTest;
 import org.junit.jupiter.api.Test;
 
@@ -14,8 +13,8 @@ import static org.junit.jupiter.api.Assertions.*;
  * @author Stefan Kalscheuer
  */
 class MountConfigTest extends AbstractModelTest<MountConfig> {
-    private static final Integer DEFAULT_LEASE_TTL = 1800;
-    private static final Integer MAX_LEASE_TTL = 3600;
+    private static final Long DEFAULT_LEASE_TTL = 1800L;
+    private static final Long MAX_LEASE_TTL = 3600L;
     private static final Boolean FORCE_NO_CACHE = false;
     private static final String TOKEN_TYPE = "default-service";
     private static final String AUDIT_NON_HMAC_REQ_KEYS_1 = "req1";
@@ -62,12 +61,10 @@ class MountConfigTest extends AbstractModelTest<MountConfig> {
 
     @Override
     protected MountConfig createFull() {
-        try {
-            return objectMapper.readValue(RES_JSON, MountConfig.class);
-        } catch (JsonProcessingException e) {
-            fail("Creation of full model instance failed", e);
-            return null;
-        }
+        return assertDoesNotThrow(
+            () -> objectMapper.readValue(RES_JSON, MountConfig.class),
+            "Creation of full model instance failed"
+        );
     }
 
     /**

src/test/java/de/stklcode/jvault/connector/test/VaultConfiguration.java

@@ -93,14 +93,14 @@ public class VaultConfiguration {
     @Override
     public String toString() {
         return "storage \"file\" {\n" +
-                "  path = \"" + dataLocation + "\"\n" +
-                "}\n" +
-                "listener \"tcp\" {\n" +
-                "  address = \"" + host + ":" + port + "\"\n" +
-                ((disableTLS) ? "  tls_disable = 1\n" : "") +
-                ((certFile != null) ? "  tls_cert_file = \"" + certFile + "\"\n" : "") +
-                ((keyFile != null) ? "  tls_key_file = \"" + keyFile + "\"\n" : "") +
-                "}\n" +
-                ((disableMlock) ? "disable_mlock = true" : "");
+            "  path = \"" + dataLocation + "\"\n" +
+            "}\n" +
+            "listener \"tcp\" {\n" +
+            "  address = \"" + host + ":" + port + "\"\n" +
+            ((disableTLS) ? "  tls_disable = 1\n" : "") +
+            ((certFile != null) ? "  tls_cert_file = \"" + certFile + "\"\n" : "") +
+            ((keyFile != null) ? "  tls_key_file = \"" + keyFile + "\"\n" : "") +
+            "}\n" +
+            ((disableMlock) ? "disable_mlock = true" : "");
     }
 }