# 02-step1-diff: recipe org.openrewrite.java.spring.boot3.UpgradeSpringBoot_3_5 on the legacy app (52 s)
diff -ru -x target legacy-app/pom.xml step1/pom.xml
--- legacy-app/pom.xml
+++ step1/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>2.7.18</version>
+    <version>3.5.16</version>
     <relativePath/>
   </parent>
   <groupId>com.ankurm</groupId>
@@ -14,6 +14,10 @@
     <java.version>17</java.version>
   </properties>
   <dependencies>
+    <dependency>
+      <groupId>jakarta.servlet</groupId>
+      <artifactId>jakarta.servlet-api</artifactId>
+    </dependency>
     <dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency>
     <dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-data-jpa</artifactId></dependency>
     <dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-validation</artifactId></dependency>
@@ -21,7 +25,6 @@
     <dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-actuator</artifactId></dependency>
     <dependency><groupId>com.h2database</groupId><artifactId>h2</artifactId><scope>runtime</scope></dependency>
     <dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency>
-    <dependency><groupId>org.junit.vintage</groupId><artifactId>junit-vintage-engine</artifactId><scope>test</scope></dependency>
     <dependency><groupId>org.springframework.security</groupId><artifactId>spring-security-test</artifactId><scope>test</scope></dependency>
   </dependencies>
   <build>
diff -ru -x target legacy-app/src/main/java/com/ankurm/legacy/AuditAutoConfiguration.java step1/src/main/java/com/ankurm/legacy/AuditAutoConfiguration.java
--- legacy-app/src/main/java/com/ankurm/legacy/AuditAutoConfiguration.java
+++ step1/src/main/java/com/ankurm/legacy/AuditAutoConfiguration.java
@@ -1,7 +1,7 @@
 package com.ankurm.legacy;
 
-import org.springframework.context.annotation.Configuration;
+import org.springframework.boot.autoconfigure.AutoConfiguration;
 
-@Configuration
+@AutoConfiguration
 public class AuditAutoConfiguration {
 }
diff -ru -x target legacy-app/src/main/java/com/ankurm/legacy/Customer.java step1/src/main/java/com/ankurm/legacy/Customer.java
--- legacy-app/src/main/java/com/ankurm/legacy/Customer.java
+++ step1/src/main/java/com/ankurm/legacy/Customer.java
@@ -1,10 +1,10 @@
 package com.ankurm.legacy;
 
-import javax.persistence.Entity;
-import javax.persistence.GeneratedValue;
-import javax.persistence.Id;
-import javax.validation.constraints.Email;
-import javax.validation.constraints.NotBlank;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import jakarta.validation.constraints.Email;
+import jakarta.validation.constraints.NotBlank;
 
 @Entity
 public class Customer {
diff -ru -x target legacy-app/src/main/java/com/ankurm/legacy/CustomerController.java step1/src/main/java/com/ankurm/legacy/CustomerController.java
--- legacy-app/src/main/java/com/ankurm/legacy/CustomerController.java
+++ step1/src/main/java/com/ankurm/legacy/CustomerController.java
@@ -1,8 +1,8 @@
 package com.ankurm.legacy;
 
 import java.util.List;
-import javax.annotation.PostConstruct;
-import javax.validation.Valid;
+import jakarta.annotation.PostConstruct;
+import jakarta.validation.Valid;
 import org.springframework.http.HttpStatus;
 import org.springframework.web.bind.annotation.*;
 
diff -ru -x target legacy-app/src/main/java/com/ankurm/legacy/CustomerRepository.java step1/src/main/java/com/ankurm/legacy/CustomerRepository.java
--- legacy-app/src/main/java/com/ankurm/legacy/CustomerRepository.java
+++ step1/src/main/java/com/ankurm/legacy/CustomerRepository.java
@@ -1,10 +1,10 @@
 package com.ankurm.legacy;
 
-import javax.persistence.LockModeType;
+import jakarta.persistence.LockModeType;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Lock;
 import org.springframework.data.jpa.repository.QueryHints;
-import javax.persistence.QueryHint;
+import jakarta.persistence.QueryHint;
 
 public interface CustomerRepository extends JpaRepository<Customer, Long> {
 
diff -ru -x target legacy-app/src/main/java/com/ankurm/legacy/RequestLogFilter.java step1/src/main/java/com/ankurm/legacy/RequestLogFilter.java
--- legacy-app/src/main/java/com/ankurm/legacy/RequestLogFilter.java
+++ step1/src/main/java/com/ankurm/legacy/RequestLogFilter.java
@@ -1,10 +1,10 @@
 package com.ankurm.legacy;
 
 import java.io.IOException;
-import javax.servlet.FilterChain;
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
+import jakarta.servlet.FilterChain;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
 import org.springframework.stereotype.Component;
 import org.springframework.web.filter.OncePerRequestFilter;
 
diff -ru -x target legacy-app/src/main/java/com/ankurm/legacy/SecurityConfig.java step1/src/main/java/com/ankurm/legacy/SecurityConfig.java
--- legacy-app/src/main/java/com/ankurm/legacy/SecurityConfig.java
+++ step1/src/main/java/com/ankurm/legacy/SecurityConfig.java
@@ -1,17 +1,19 @@
 package com.ankurm.legacy;
 
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
-import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+import org.springframework.security.web.SecurityFilterChain;
 
 @Configuration
 @EnableWebSecurity
-public class SecurityConfig extends WebSecurityConfigurerAdapter {
-	@Override
-	protected void configure(HttpSecurity http) throws Exception {
-		http.csrf().disable()
-			.authorizeRequests().antMatchers("/actuator/health").permitAll()
-			.anyRequest().permitAll();
+public class SecurityConfig {
+	@Bean
+	SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
+		http.csrf(csrf -> csrf.disable())
+			.authorizeHttpRequests(requests -> requests.requestMatchers("/actuator/health").permitAll()
+				.anyRequest().permitAll());
+		return http.build();
 	}
 }
Only in step1/src/main/resources/META-INF: spring
diff -ru -x target legacy-app/src/main/resources/application.properties step1/src/main/resources/application.properties
--- legacy-app/src/main/resources/application.properties
+++ step1/src/main/resources/application.properties
@@ -3,4 +3,4 @@
 management.metrics.export.prometheus.enabled=true
 spring.jpa.hibernate.ddl-auto=create-drop
 server.max-http-header-size=16KB
-spring.jpa.properties.javax.persistence.validation.mode=none
+spring.jpa.properties.jakarta.persistence.validation.mode=none
diff -ru -x target legacy-app/src/test/java/com/ankurm/legacy/CustomerControllerTest.java step1/src/test/java/com/ankurm/legacy/CustomerControllerTest.java
--- legacy-app/src/test/java/com/ankurm/legacy/CustomerControllerTest.java
+++ step1/src/test/java/com/ankurm/legacy/CustomerControllerTest.java
@@ -4,15 +4,12 @@
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 
-import org.junit.Test;
-import org.junit.runner.RunWith;
+import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
 import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.web.servlet.MockMvc;
 
-@RunWith(SpringRunner.class)
 @SpringBootTest
 @AutoConfigureMockMvc
 public class CustomerControllerTest {
Only in step1/src/main/resources/META-INF: spring