JAVA-32062 Upgrade spring-ressttemplate-1 to spring boot 3 (#16164)

spring-web-modules/spring-resttemplate-1/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>
@@ -27,4 +27,8 @@
         </dependency>
     </dependencies>
 
+    <properties>
+        <start-class>com.baeldung.resttemplate.RestTemplateApplication</start-class>
+    </properties>
+
 </project>

spring-web-modules/spring-resttemplate-1/src/main/java/com/baeldung/resttemplate/lists/client/EmployeeClient.java

@@ -46,7 +46,7 @@ public class EmployeeClient {
 
         ResponseEntity<Employee[]> response =
                 restTemplate.getForEntity(
-                        "http://localhost:8082/spring-rest/employees/",
+                        "http://localhost:8080/spring-rest/employees/",
                         Employee[].class);
 
         Employee[] employees = response.getBody();
@@ -64,7 +64,7 @@ public class EmployeeClient {
 
         ResponseEntity<List<Employee>> response =
                 restTemplate.exchange(
-                        "http://localhost:8082/spring-rest/employees/",
+                        "http://localhost:8080/spring-rest/employees/",
                         HttpMethod.GET,
                         null,
                         new ParameterizedTypeReference<List<Employee>>() {
@@ -83,7 +83,7 @@ public class EmployeeClient {
 
         EmployeeList response =
                 restTemplate.getForObject(
-                        "http://localhost:8082/spring-rest/employees/v2",
+                        "http://localhost:8080/spring-rest/employees/v2",
                         EmployeeList.class);
 
         List<Employee> employees = response.getEmployees();
@@ -101,7 +101,7 @@ public class EmployeeClient {
         newEmployees.add(new Employee(4, "CEO"));
 
         restTemplate.postForObject(
-                "http://localhost:8082/spring-rest/employees/",
+                "http://localhost:8080/spring-rest/employees/",
                 newEmployees,
                 ResponseEntity.class);
     }
@@ -114,7 +114,7 @@ public class EmployeeClient {
         newEmployees.add(new Employee(4, "CEO"));
 
         restTemplate.postForObject(
-                "http://localhost:8082/spring-rest/employees/v2/",
+                "http://localhost:8080/spring-rest/employees/v2",
                 new EmployeeList(newEmployees),
                 ResponseEntity.class);
     }

spring-web-modules/spring-resttemplate-1/src/main/java/com/baeldung/resttemplate/web/controller/PersonAPI.java

@@ -1,6 +1,6 @@
 package com.baeldung.resttemplate.web.controller;
 
-import javax.servlet.http.HttpServletResponse;
+import jakarta.servlet.http.HttpServletResponse;
 
 import com.baeldung.resttemplate.web.service.PersonService;
 import com.baeldung.resttemplate.web.dto.Person;

spring-web-modules/spring-resttemplate-1/src/test/java/com/baeldung/resttemplate/postjson/PersonAPILiveTest.java

@@ -41,8 +41,8 @@ public class PersonAPILiveTest {
 
     @BeforeClass
     public static void runBeforeAllTestMethods() throws JSONException {
-        createPersonUrl = "http://localhost:8082/spring-rest/createPerson";
+        createPersonUrl = "http://localhost:8080/spring-rest/createPerson";
-        updatePersonUrl = "http://localhost:8082/spring-rest/updatePerson";
+        updatePersonUrl = "http://localhost:8080/spring-rest/updatePerson";
 
         restTemplate = new RestTemplate();