Upgrade to Spring Boot 4.0.1.

build.gradle

@@ -1,6 +1,6 @@
 plugins {
 	id 'java'
-	id 'org.springframework.boot' version '3.5.9'
+	id 'org.springframework.boot' version '4.0.1'
 	id 'io.spring.dependency-management' version '1.1.7'
 }
 
@@ -47,9 +47,11 @@ dependencies {
 	// From Spring Initalizr
 	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 	implementation 'org.springframework.boot:spring-boot-starter-security'
-	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'org.springframework.boot:spring-boot-starter-webmvc'
+    implementation 'org.springframework.boot:spring-boot-starter-jackson'
 	runtimeOnly 'com.mysql:mysql-connector-j'
-	testImplementation 'org.springframework.boot:spring-boot-starter-test'
+	testImplementation 'org.springframework.boot:spring-boot-starter-webmvc-test'
+    testImplementation 'org.springframework.boot:spring-boot-starter-jackson-test'
 	testImplementation 'org.springframework.security:spring-security-test'
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 
@@ -60,7 +62,7 @@ dependencies {
 
 	implementation 'org.commonmark:commonmark:0.27.0'
 	implementation 'org.jsoup:jsoup:1.21.2'
-	implementation 'com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:2.20.1'
+    implementation 'tools.jackson.dataformat:jackson-dataformat-yaml:3.0.3'
 
 	implementation 'io.minio:minio:8.6.0'
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.2.1-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

src/integrationTest/java/app/mealsmadeeasy/api/auth/AuthControllerTests.java

@@ -3,18 +3,18 @@ package app.mealsmadeeasy.api.auth;
 import app.mealsmadeeasy.api.user.User;
 import app.mealsmadeeasy.api.user.UserCreateException;
 import app.mealsmadeeasy.api.user.UserService;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import jakarta.servlet.http.Cookie;
 import org.junit.jupiter.api.BeforeEach;
 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.boot.webmvc.test.autoconfigure.AutoConfigureMockMvc;
 import org.springframework.http.MediaType;
 import org.springframework.test.annotation.DirtiesContext;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.MvcResult;
 import org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder;
+import tools.jackson.databind.ObjectMapper;
 
 import java.util.Map;
 
@@ -46,7 +46,7 @@ public class AuthControllerTests {
         }
     }
 
-    private MockHttpServletRequestBuilder getLoginRequest() throws Exception {
+    private MockHttpServletRequestBuilder getLoginRequest() {
         final Map<String, ?> body = Map.of(
                 "username", "test",
                 "password", "test"

src/integrationTest/java/app/mealsmadeeasy/api/image/ImageControllerTests.java

@@ -8,11 +8,10 @@ import app.mealsmadeeasy.api.image.spec.ImageUpdateInfoSpec;
 import app.mealsmadeeasy.api.user.User;
 import app.mealsmadeeasy.api.user.UserCreateException;
 import app.mealsmadeeasy.api.user.UserService;
-import com.fasterxml.jackson.databind.ObjectMapper;
 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.boot.webmvc.test.autoconfigure.AutoConfigureMockMvc;
 import org.springframework.http.MediaType;
 import org.springframework.mock.web.MockMultipartFile;
 import org.springframework.test.annotation.DirtiesContext;
@@ -23,6 +22,7 @@ import org.testcontainers.containers.MinIOContainer;
 import org.testcontainers.junit.jupiter.Container;
 import org.testcontainers.junit.jupiter.Testcontainers;
 import org.testcontainers.utility.DockerImageName;
+import tools.jackson.databind.ObjectMapper;
 
 import java.io.IOException;
 import java.io.InputStream;

src/integrationTest/java/app/mealsmadeeasy/api/recipe/RecipeControllerTests.java

@@ -13,12 +13,10 @@ import app.mealsmadeeasy.api.recipe.star.RecipeStarService;
 import app.mealsmadeeasy.api.user.User;
 import app.mealsmadeeasy.api.user.UserCreateException;
 import app.mealsmadeeasy.api.user.UserService;
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
 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.boot.webmvc.test.autoconfigure.AutoConfigureMockMvc;
 import org.springframework.http.MediaType;
 import org.springframework.test.annotation.DirtiesContext;
 import org.springframework.test.context.DynamicPropertyRegistry;
@@ -28,6 +26,7 @@ import org.testcontainers.containers.MinIOContainer;
 import org.testcontainers.junit.jupiter.Container;
 import org.testcontainers.junit.jupiter.Testcontainers;
 import org.testcontainers.utility.DockerImageName;
+import tools.jackson.databind.ObjectMapper;
 
 import java.io.InputStream;
 
@@ -242,7 +241,7 @@ public class RecipeControllerTests {
                 .andExpect(jsonPath("$.content", hasSize(3)));
     }
 
-    private String getUpdateBody() throws JsonProcessingException {
+    private String getUpdateBody() {
         final RecipeUpdateSpec spec = new RecipeUpdateSpec();
         spec.setTitle("Updated Test Recipe");
         spec.setPreparationTime(15);

src/integrationTest/java/app/mealsmadeeasy/api/signup/SignUpControllerTests.java

@@ -2,17 +2,16 @@ package app.mealsmadeeasy.api.signup;
 
 import app.mealsmadeeasy.api.user.UserCreateException.Type;
 import app.mealsmadeeasy.api.user.UserService;
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
 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.boot.webmvc.test.autoconfigure.AutoConfigureMockMvc;
 import org.springframework.http.MediaType;
 import org.springframework.test.annotation.DirtiesContext;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import tools.jackson.databind.ObjectMapper;
 
 import java.util.Map;
 
@@ -34,8 +33,7 @@ public class SignUpControllerTests {
     @Autowired
     private UserService userService;
 
-    private MockHttpServletRequestBuilder getCheckUsernameRequest(String usernameToCheck)
-            throws JsonProcessingException {
+    private MockHttpServletRequestBuilder getCheckUsernameRequest(String usernameToCheck) {
         final Map<String, Object> body = Map.of("username", usernameToCheck);
         return MockMvcRequestBuilders.get("/sign-up/check-username")
                 .content(this.objectMapper.writeValueAsString(body))
@@ -60,7 +58,7 @@ public class SignUpControllerTests {
     }
 
 
-    private MockHttpServletRequestBuilder getCheckEmailRequest(String emailToCheck) throws JsonProcessingException {
+    private MockHttpServletRequestBuilder getCheckEmailRequest(String emailToCheck) {
         final Map<String, Object> body = Map.of("email", emailToCheck);
         return MockMvcRequestBuilders.get("/sign-up/check-email")
                 .content(this.objectMapper.writeValueAsString(body))

src/main/java/app/mealsmadeeasy/api/DevConfiguration.java

@@ -8,14 +8,14 @@ import app.mealsmadeeasy.api.recipe.RecipeService;
 import app.mealsmadeeasy.api.recipe.spec.RecipeCreateSpec;
 import app.mealsmadeeasy.api.user.User;
 import app.mealsmadeeasy.api.user.UserService;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Profile;
+import tools.jackson.databind.ObjectMapper;
+import tools.jackson.dataformat.yaml.YAMLFactory;
 
 import java.io.FileInputStream;
 import java.io.InputStream;

src/main/java/app/mealsmadeeasy/api/security/JwtFilter.java

@@ -1,7 +1,6 @@
 package app.mealsmadeeasy.api.security;
 
 import app.mealsmadeeasy.api.jwt.JwtService;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import io.jsonwebtoken.ExpiredJwtException;
 import io.jsonwebtoken.JwtException;
 import jakarta.servlet.FilterChain;
@@ -19,6 +18,7 @@ import org.springframework.security.core.userdetails.UserDetailsService;
 import org.springframework.security.web.authentication.WebAuthenticationDetailsSource;
 import org.springframework.stereotype.Component;
 import org.springframework.web.filter.OncePerRequestFilter;
+import tools.jackson.databind.ObjectMapper;
 
 import java.io.IOException;
 

src/main/java/app/mealsmadeeasy/api/security/SecurityConfiguration.java

@@ -33,7 +33,7 @@ public class SecurityConfiguration {
     }
 
     @Bean
-    public SecurityFilterChain securityFilterChain(HttpSecurity httpSecurity) throws Exception {
+    public SecurityFilterChain securityFilterChain(HttpSecurity httpSecurity) {
         httpSecurity.authorizeHttpRequests(requests -> requests.anyRequest().permitAll());
         httpSecurity.csrf(AbstractHttpConfigurer::disable);
         httpSecurity.cors(Customizer.withDefaults());