api: Error stuff

pom.xml

@@ -1,63 +1,72 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
 		<version>3.3.5</version>
-		<relativePath/> <!-- lookup parent from repository -->
+		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.maradona</groupId>
 	<artifactId>backend</artifactId>
 	<version>0.0.1-SNAPSHOT</version>
 	<name>backend</name>
 	<description>Demo project for Spring Boot</description>
-	<url/>
+	<url />
 	<licenses>
-		<license/>
+		<license />
 	</licenses>
 	<developers>
-		<developer/>
+		<developer />
 	</developers>
 	<scm>
-		<connection/>
-		<developerConnection/>
-		<tag/>
-		<url/>
+		<connection />
+		<developerConnection />
+		<tag />
+		<url />
 	</scm>
 	<properties>
 		<java.version>21</java.version>
 	</properties>
 	<dependencies>
+
 		<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-thymeleaf</artifactId>
 		</dependency>
+
 		<!-- <dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-security</artifactId>
 		</dependency> -->
+
 		<dependency>
 			<groupId>org.thymeleaf.extras</groupId>
 			<artifactId>thymeleaf-extras-springsecurity6</artifactId>
 		</dependency>
+
 		<!-- <dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-oauth2-client</artifactId>
 		</dependency> -->
+
 		<!-- <dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-oauth2-resource-server</artifactId>
 		</dependency> -->
+
 		<dependency>
 			<groupId>org.projectlombok</groupId>
 			<artifactId>lombok</artifactId>
@@ -65,6 +74,13 @@
 			<scope>provided</scope>
 		</dependency>
 
+		<dependency>
+			<groupId>javax.servlet</groupId>
+			<artifactId>javax.servlet-api</artifactId>
+			<version>4.0.1</version>
+			<scope>provided</scope>
+		</dependency>
+
 
 		<dependency>
 			<groupId>com.h2database</groupId>
@@ -77,6 +93,7 @@
 			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
 		</dependency>
+
 		<dependency>
 			<groupId>org.springframework.security</groupId>
 			<artifactId>spring-security-test</artifactId>

src/main/java/com/maradona/backend/controllers/page/ErrorPage.java

@@ -1,58 +1,23 @@
 package com.maradona.backend.controllers.page;
 
+import org.springframework.boot.web.servlet.error.ErrorController;
 import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.RequestMapping;
 
-/**
- * Controller for routing to the error pages.
- * 
- * List of endpoints:
- * - GET /error/400
- * - GET /error/404
- * - GET /error/500
- */
+import javax.servlet.http.HttpServletRequest;
+
 @Controller
-@RequestMapping("/error")
-public class ErrorPage {
-  /**
-   * Error page for 400 Bad Request.
-   * 
-   * This page is displayed when the request is malformed and the server cannot
-   * process it.
-   * 
-   * @return The 400 error page template.
-   */
-  @GetMapping("/400")
-  public String error400() {
-    return "pages/error/400";
-  }
+public class ErrorPage implements ErrorController {
 
-  /**
-   * Error page for 404 Not Found.
-   * 
-   * This page is displayed when the requested resource could not be found on the
-   * server. This can be due to a wrong URL or a deleted resource. The user should
-   * be informed that the resource is not available.
-   * 
-   * @return The 404 error page template.
-   */
-  @GetMapping("/404")
-  public String error404() {
-    return "pages/error/404";
-  }
+    @RequestMapping("/error")
+    public String handleError(HttpServletRequest request, Model model) {
+        Object status = request.getAttribute("javax.servlet.error.status_code");
+        Object message = request.getAttribute("javax.servlet.error.message");
 
-  /**
-   * Error page for 500 Internal Server Error.
-   * 
-   * This page is displayed when the server encountered an unexpected condition
-   * that prevented it from fulfilling the request. The user should be informed
-   * that the server is experiencing problems and the request cannot be processed.
-   * 
-   * @return The 500 error page template.
-   */
-  @GetMapping("/500")
-  public String error500() {
-    return "pages/error/500";
+        model.addAttribute("status", status);
+        model.addAttribute("message", message);
+
+        return "pages/core/error";
     }
 }

src/main/java/com/maradona/backend/controllers/page/Page.java

@@ -45,14 +45,4 @@ public class Page {
   public String datenschutz() {
     return "pages/core/datenschutz";
   }
-
-  /**
-   * Returns the notes page.
-   * 
-   * @return The notes page template.
-   */
-  @GetMapping("/notes")
-  public String notes() {
-    return "pages/core/notes";
-  }
 }

src/main/resources/config/application.yaml

@@ -43,3 +43,8 @@ logging:
         http:
           converter:
             json: DEBUG
+server:
+  error:
+    path: /error
+    whitelabel:
+      enabled: false