diff --git a/spring-web-modules/spring-mvc-basics-4/pom.xml b/spring-web-modules/spring-mvc-basics-4/pom.xml
index 455e4e488c..7e8ef257c7 100644
--- a/spring-web-modules/spring-mvc-basics-4/pom.xml
+++ b/spring-web-modules/spring-mvc-basics-4/pom.xml
@@ -9,9 +9,9 @@
 
     <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>
@@ -31,6 +31,7 @@
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>jstl</artifactId>
+            <version>1.2</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
diff --git a/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/config/WebConfig.java b/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/config/WebConfig.java
index e9b59a2b23..7ccbbd6410 100644
--- a/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/config/WebConfig.java
+++ b/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/config/WebConfig.java
@@ -1,22 +1,12 @@
 package com.baeldung.config;
 
+import com.baeldung.contexts.Greeting;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import org.springframework.boot.web.server.WebServerFactoryCustomizer;
 import org.springframework.boot.web.servlet.server.ConfigurableServletWebServerFactory;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.web.servlet.ViewResolver;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
-import org.springframework.web.servlet.view.InternalResourceViewResolver;
-import org.springframework.web.servlet.view.JstlView;
-import org.thymeleaf.spring5.SpringTemplateEngine;
-import org.thymeleaf.spring5.templateresolver.SpringResourceTemplateResolver;
-import org.thymeleaf.spring5.view.ThymeleafViewResolver;
-import org.thymeleaf.templatemode.TemplateMode;
-import org.thymeleaf.templateresolver.ClassLoaderTemplateResolver;
-import org.thymeleaf.templateresolver.ITemplateResolver;
-
-import com.baeldung.contexts.Greeting;
-import com.fasterxml.jackson.databind.ObjectMapper;
 
 /**
  * Web Configuration for the entire app
diff --git a/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/contexts/services/GreeterService.java b/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/contexts/services/GreeterService.java
index f68b2fe5af..dfff103d7e 100644
--- a/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/contexts/services/GreeterService.java
+++ b/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/contexts/services/GreeterService.java
@@ -1,7 +1,7 @@
 package com.baeldung.contexts.services;
 
-import javax.annotation.Resource;
 
+import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 
 import com.baeldung.contexts.Greeting;
diff --git a/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/constraint/MaxSizeConstraint.java b/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/constraint/MaxSizeConstraint.java
index b5adab5d86..d96607e1e9 100644
--- a/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/constraint/MaxSizeConstraint.java
+++ b/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/constraint/MaxSizeConstraint.java
@@ -1,11 +1,11 @@
 package com.baeldung.validation.listvalidation.constraint;
 
+import jakarta.validation.Constraint;
+import jakarta.validation.Payload;
+
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 
-import javax.validation.Constraint;
-import javax.validation.Payload;
-
 @Constraint(validatedBy = MaxSizeConstraintValidator.class)
 @Retention(RetentionPolicy.RUNTIME)
 public @interface MaxSizeConstraint {
diff --git a/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/constraint/MaxSizeConstraintValidator.java b/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/constraint/MaxSizeConstraintValidator.java
index 409b6e1ab5..edf140c6b1 100644
--- a/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/constraint/MaxSizeConstraintValidator.java
+++ b/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/constraint/MaxSizeConstraintValidator.java
@@ -2,10 +2,9 @@ package com.baeldung.validation.listvalidation.constraint;
 
 import java.util.List;
 
-import javax.validation.ConstraintValidator;
-import javax.validation.ConstraintValidatorContext;
-
 import com.baeldung.validation.listvalidation.model.Movie;
+import jakarta.validation.ConstraintValidator;
+import jakarta.validation.ConstraintValidatorContext;
 
 public class MaxSizeConstraintValidator implements ConstraintValidator<MaxSizeConstraint, List<Movie>> {
 
diff --git a/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/controller/MovieController.java b/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/controller/MovieController.java
index 45639cf303..f29818a393 100644
--- a/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/controller/MovieController.java
+++ b/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/controller/MovieController.java
@@ -1,10 +1,10 @@
 package com.baeldung.validation.listvalidation.controller;
 
-import java.util.List;
-
-import javax.validation.Valid;
-import javax.validation.constraints.NotEmpty;
-
+import com.baeldung.validation.listvalidation.constraint.MaxSizeConstraint;
+import com.baeldung.validation.listvalidation.model.Movie;
+import com.baeldung.validation.listvalidation.service.MovieService;
+import jakarta.validation.Valid;
+import jakarta.validation.constraints.NotEmpty;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -12,9 +12,7 @@ import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
-import com.baeldung.validation.listvalidation.constraint.MaxSizeConstraint;
-import com.baeldung.validation.listvalidation.model.Movie;
-import com.baeldung.validation.listvalidation.service.MovieService;
+import java.util.List;
 
 @Validated
 @RestController
diff --git a/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/exception/ConstraintViolationExceptionHandler.java b/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/exception/ConstraintViolationExceptionHandler.java
index 742be27f61..38a9b558a9 100644
--- a/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/exception/ConstraintViolationExceptionHandler.java
+++ b/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/exception/ConstraintViolationExceptionHandler.java
@@ -1,10 +1,7 @@
 package com.baeldung.validation.listvalidation.exception;
 
-import java.util.Set;
-
-import javax.validation.ConstraintViolation;
-import javax.validation.ConstraintViolationException;
-
+import jakarta.validation.ConstraintViolation;
+import jakarta.validation.ConstraintViolationException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.HttpStatus;
@@ -12,6 +9,8 @@ import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
 
+import java.util.Set;
+
 @RestControllerAdvice
 public class ConstraintViolationExceptionHandler {
     
diff --git a/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/model/Movie.java b/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/model/Movie.java
index f5a49877bf..5302ea4a5a 100644
--- a/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/model/Movie.java
+++ b/spring-web-modules/spring-mvc-basics-4/src/main/java/com/baeldung/validation/listvalidation/model/Movie.java
@@ -1,8 +1,9 @@
 package com.baeldung.validation.listvalidation.model;
 
+import jakarta.validation.constraints.NotEmpty;
+
 import java.util.UUID;
 
-import javax.validation.constraints.NotEmpty;
 
 public class Movie {
 
diff --git a/spring-web-modules/spring-mvc-basics-4/src/test/java/com/baeldung/controller/ControllerAnnotationIntegrationTest.java b/spring-web-modules/spring-mvc-basics-4/src/test/java/com/baeldung/controller/ControllerAnnotationIntegrationTest.java
index 7fd8f0c97f..cb70f80afe 100644
--- a/spring-web-modules/spring-mvc-basics-4/src/test/java/com/baeldung/controller/ControllerAnnotationIntegrationTest.java
+++ b/spring-web-modules/spring-mvc-basics-4/src/test/java/com/baeldung/controller/ControllerAnnotationIntegrationTest.java
@@ -40,7 +40,7 @@ public class ControllerAnnotationIntegrationTest {
     @Test
     public void testTestController() throws Exception {
 
-        ModelAndView mv = this.mockMvc.perform(MockMvcRequestBuilders.get("/test/")).andReturn().getModelAndView();
+        ModelAndView mv = this.mockMvc.perform(MockMvcRequestBuilders.get("/test")).andReturn().getModelAndView();
 
         // validate modal data
         Assert.assertSame(mv.getModelMap().get("data").toString(), "Welcome home man");
diff --git a/spring-web-modules/spring-mvc-basics-4/src/test/java/com/baeldung/controller/ControllerIntegrationTest.java b/spring-web-modules/spring-mvc-basics-4/src/test/java/com/baeldung/controller/ControllerIntegrationTest.java
index a7e6bd6c4b..3431d74997 100644
--- a/spring-web-modules/spring-mvc-basics-4/src/test/java/com/baeldung/controller/ControllerIntegrationTest.java
+++ b/spring-web-modules/spring-mvc-basics-4/src/test/java/com/baeldung/controller/ControllerIntegrationTest.java
@@ -40,7 +40,7 @@ public class ControllerIntegrationTest {
     @Test
     public void testTestController() throws Exception {
 
-        ModelAndView mv = this.mockMvc.perform(MockMvcRequestBuilders.get("/test/")).andReturn().getModelAndView();
+        ModelAndView mv = this.mockMvc.perform(MockMvcRequestBuilders.get("/test")).andReturn().getModelAndView();
 
         // validate modal data
         Assert.assertSame(mv.getModelMap().get("data").toString(), "Welcome home man");