diff --git a/spring-web-modules/spring-rest-query-language/pom.xml b/spring-web-modules/spring-rest-query-language/pom.xml
index b44972603d..4f4bb78ad8 100644
--- a/spring-web-modules/spring-rest-query-language/pom.xml
+++ b/spring-web-modules/spring-rest-query-language/pom.xml
@@ -10,9 +10,9 @@
 
     <parent>
         <groupId>com.baeldung</groupId>
-        <artifactId>parent-boot-2</artifactId>
+        <artifactId>parent-boot-3</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../../parent-boot-2</relativePath>
+        <relativePath>../../parent-boot-3</relativePath>
     </parent>
 
     <dependencies>
@@ -90,10 +90,14 @@
         <dependency>
             <groupId>com.querydsl</groupId>
             <artifactId>querydsl-apt</artifactId>
+            <version>${querydsl.version}</version>
+            <classifier>jakarta</classifier>
         </dependency>
         <dependency>
             <groupId>com.querydsl</groupId>
             <artifactId>querydsl-jpa</artifactId>
+            <version>${querydsl.version}</version>
+            <classifier>jakarta</classifier>
         </dependency>
         <!-- Rsql -->
         <dependency>
@@ -111,6 +115,7 @@
                     <groupId>commons-logging</groupId>
                 </exclusion>
             </exclusions>
+            <version>${httpclient.version}</version>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
@@ -128,6 +133,7 @@
         <dependency>
             <groupId>org.hibernate</groupId>
             <artifactId>hibernate-core</artifactId>
+            <version>${hibernate-core.version}</version>
         </dependency>
         <dependency>
             <groupId>xml-apis</groupId>
@@ -150,14 +156,20 @@
         </dependency>
         <!-- web -->
         <dependency>
-            <groupId>javax.servlet</groupId>
-            <artifactId>javax.servlet-api</artifactId>
+            <groupId>jakarta.servlet</groupId>
+            <artifactId>jakarta.servlet-api</artifactId>
             <scope>provided</scope>
+            <version>${jakarta.servlet-api.version}</version>
         </dependency>
         <dependency>
-            <groupId>javax.servlet</groupId>
-            <artifactId>jstl</artifactId>
-            <scope>runtime</scope>
+            <groupId>jakarta.servlet.jsp.jstl</groupId>
+            <artifactId>jakarta.servlet.jsp.jstl-api</artifactId>
+            <version>${jakarta.servlet.jsp.jstl.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.glassfish.web</groupId>
+            <artifactId>jakarta.servlet.jsp.jstl</artifactId>
+            <version>${jakarta.servlet.jsp.jstl.version}</version>
         </dependency>
         <!-- marshalling -->
         <dependency>
@@ -181,6 +193,12 @@
             <artifactId>spring-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>io.rest-assured</groupId>
+            <artifactId>rest-assured</artifactId>
+            <version>${rest-assured.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
@@ -216,23 +234,6 @@
                     </configuration>
                 </configuration>
             </plugin>
-            <!-- Querydsl and Specifications -->
-            <plugin>
-                <groupId>com.mysema.maven</groupId>
-                <artifactId>apt-maven-plugin</artifactId>
-                <version>${apt-maven-plugin.version}</version>
-                <executions>
-                    <execution>
-                        <goals>
-                            <goal>process</goal>
-                        </goals>
-                        <configuration>
-                            <outputDirectory>target/generated-sources/java</outputDirectory>
-                            <processor>com.querydsl.apt.jpa.JPAAnnotationProcessor</processor>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
         </plugins>
     </build>
 
@@ -305,6 +306,13 @@
         <!-- Maven plugins -->
         <cargo-maven2-plugin.version>1.7.0</cargo-maven2-plugin.version>
         <apt-maven-plugin.version>1.1.3</apt-maven-plugin.version>
+        <hibernate-core.version>6.4.2.Final</hibernate-core.version>
+        <httpclient.version>4.5.8</httpclient.version>
+        <commons-lang3.version>3.14.0</commons-lang3.version>
+        <jakarta.servlet-api.version>${querydsl.version}</jakarta.servlet-api.version>
+        <jakarta.servlet.jsp.jstl.version>2.0.0</jakarta.servlet.jsp.jstl.version>
+        <rest-assured.version>5.4.0</rest-assured.version>
+        <querydsl.version>5.0.0</querydsl.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/UserDAO.java b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/UserDAO.java
index 6bc899176a..afedb2544b 100644
--- a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/UserDAO.java
+++ b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/UserDAO.java
@@ -2,12 +2,12 @@ package com.baeldung.persistence.dao;
 
 import java.util.List;
 
-import javax.persistence.EntityManager;
-import javax.persistence.PersistenceContext;
-import javax.persistence.criteria.CriteriaBuilder;
-import javax.persistence.criteria.CriteriaQuery;
-import javax.persistence.criteria.Predicate;
-import javax.persistence.criteria.Root;
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.PersistenceContext;
+import jakarta.persistence.criteria.CriteriaBuilder;
+import jakarta.persistence.criteria.CriteriaQuery;
+import jakarta.persistence.criteria.Predicate;
+import jakarta.persistence.criteria.Root;
 
 import org.springframework.stereotype.Repository;
 
diff --git a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/UserSearchQueryCriteriaConsumer.java b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/UserSearchQueryCriteriaConsumer.java
index a3e619ad21..a6100a9c66 100644
--- a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/UserSearchQueryCriteriaConsumer.java
+++ b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/UserSearchQueryCriteriaConsumer.java
@@ -2,9 +2,9 @@ package com.baeldung.persistence.dao;
 
 import java.util.function.Consumer;
 
-import javax.persistence.criteria.CriteriaBuilder;
-import javax.persistence.criteria.Predicate;
-import javax.persistence.criteria.Root;
+import jakarta.persistence.criteria.CriteriaBuilder;
+import jakarta.persistence.criteria.Predicate;
+import jakarta.persistence.criteria.Root;
 
 import com.baeldung.web.util.SearchCriteria;
 
diff --git a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/UserSpecification.java b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/UserSpecification.java
index 928e75aea7..cb3a04fd6c 100644
--- a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/UserSpecification.java
+++ b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/UserSpecification.java
@@ -5,10 +5,10 @@ import org.springframework.data.jpa.domain.Specification;
 import com.baeldung.persistence.model.User;
 import com.baeldung.web.util.SpecSearchCriteria;
 
-import javax.persistence.criteria.CriteriaBuilder;
-import javax.persistence.criteria.CriteriaQuery;
-import javax.persistence.criteria.Predicate;
-import javax.persistence.criteria.Root;
+import jakarta.persistence.criteria.CriteriaBuilder;
+import jakarta.persistence.criteria.CriteriaQuery;
+import jakarta.persistence.criteria.Predicate;
+import jakarta.persistence.criteria.Root;
 
 public class UserSpecification implements Specification<User> {
 
diff --git a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/rsql/GenericRsqlSpecification.java b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/rsql/GenericRsqlSpecification.java
index 87a46d4a85..c50f258bf6 100644
--- a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/rsql/GenericRsqlSpecification.java
+++ b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/rsql/GenericRsqlSpecification.java
@@ -3,10 +3,10 @@ package com.baeldung.persistence.dao.rsql;
 import java.util.List;
 import java.util.stream.Collectors;
 
-import javax.persistence.criteria.CriteriaBuilder;
-import javax.persistence.criteria.CriteriaQuery;
-import javax.persistence.criteria.Predicate;
-import javax.persistence.criteria.Root;
+import jakarta.persistence.criteria.CriteriaBuilder;
+import jakarta.persistence.criteria.CriteriaQuery;
+import jakarta.persistence.criteria.Predicate;
+import jakarta.persistence.criteria.Root;
 
 import org.springframework.data.jpa.domain.Specification;
 
diff --git a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/model/MyUser.java b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/model/MyUser.java
index f3b9dc3810..b8f7c93a23 100644
--- a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/model/MyUser.java
+++ b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/model/MyUser.java
@@ -1,9 +1,9 @@
 package com.baeldung.persistence.model;
 
-import javax.persistence.Entity;
-import javax.persistence.GeneratedValue;
-import javax.persistence.GenerationType;
-import javax.persistence.Id;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
 
 // used for Querydsl test
 
diff --git a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/model/User.java b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/model/User.java
index dbc2b9360f..8a019eccaf 100644
--- a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/model/User.java
+++ b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/model/User.java
@@ -1,9 +1,9 @@
 package com.baeldung.persistence.model;
 
-import javax.persistence.Entity;
-import javax.persistence.GeneratedValue;
-import javax.persistence.GenerationType;
-import javax.persistence.Id;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
 
 @Entity
 public class User {
diff --git a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/model/User_.java b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/model/User_.java
index c101b1d9b3..056f8e09dd 100644
--- a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/model/User_.java
+++ b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/persistence/model/User_.java
@@ -1,7 +1,7 @@
 package com.baeldung.persistence.model;
 
-import javax.persistence.metamodel.SingularAttribute;
-import javax.persistence.metamodel.StaticMetamodel;
+import jakarta.persistence.metamodel.SingularAttribute;
+import jakarta.persistence.metamodel.StaticMetamodel;
 
 @StaticMetamodel(User.class)
 public class User_ {
diff --git a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/spring/Application.java b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/spring/Application.java
index 371377021a..c869949162 100644
--- a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/spring/Application.java
+++ b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/spring/Application.java
@@ -1,7 +1,7 @@
 package com.baeldung.spring;
 
-import javax.servlet.ServletContext;
-import javax.servlet.ServletException;
+import jakarta.servlet.ServletContext;
+import jakarta.servlet.ServletException;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
diff --git a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/web/error/RestResponseEntityExceptionHandler.java b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/web/error/RestResponseEntityExceptionHandler.java
index b30f435ee4..bf6aad064e 100644
--- a/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/web/error/RestResponseEntityExceptionHandler.java
+++ b/spring-web-modules/spring-rest-query-language/src/main/java/com/baeldung/web/error/RestResponseEntityExceptionHandler.java
@@ -1,6 +1,6 @@
 package com.baeldung.web.error;
 
-import javax.persistence.EntityNotFoundException;
+import jakarta.persistence.EntityNotFoundException;
 
 import org.hibernate.exception.ConstraintViolationException;
 import org.springframework.dao.DataAccessException;
@@ -8,6 +8,7 @@ import org.springframework.dao.DataIntegrityViolationException;
 import org.springframework.dao.InvalidDataAccessApiUsageException;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
+import org.springframework.http.HttpStatusCode;
 import org.springframework.http.ResponseEntity;
 import org.springframework.http.converter.HttpMessageNotReadableException;
 import org.springframework.web.bind.MethodArgumentNotValidException;
@@ -42,14 +43,14 @@ public class RestResponseEntityExceptionHandler extends ResponseEntityExceptionH
     }
 
     @Override
-    protected ResponseEntity<Object> handleHttpMessageNotReadable(final HttpMessageNotReadableException ex, final HttpHeaders headers, final HttpStatus status, final WebRequest request) {
+    protected ResponseEntity<Object> handleHttpMessageNotReadable(final HttpMessageNotReadableException ex, final HttpHeaders headers, final HttpStatusCode status, final WebRequest request) {
         final String bodyOfResponse = "This should be application specific";
         // ex.getCause() instanceof JsonMappingException, JsonParseException // for additional information later on
         return handleExceptionInternal(ex, bodyOfResponse, headers, HttpStatus.BAD_REQUEST, request);
     }
 
     @Override
-    protected ResponseEntity<Object> handleMethodArgumentNotValid(final MethodArgumentNotValidException ex, final HttpHeaders headers, final HttpStatus status, final WebRequest request) {
+    protected ResponseEntity<Object> handleMethodArgumentNotValid(final MethodArgumentNotValidException ex, final HttpHeaders headers, final HttpStatusCode status, final WebRequest request) {
         final String bodyOfResponse = "This should be application specific";
         return handleExceptionInternal(ex, bodyOfResponse, headers, HttpStatus.BAD_REQUEST, request);
     }