diff --git a/src/main/java/com/example/demo/app/presentation/controller/ErrorController.java b/src/main/java/com/example/demo/app/presentation/controller/ErrorController.java
new file mode 100644
index 0000000..973d396
--- /dev/null
+++ b/src/main/java/com/example/demo/app/presentation/controller/ErrorController.java
@@ -0,0 +1,12 @@
+package com.example.demo.app.presentation.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@Controller
+public class ErrorController {
+ @GetMapping("/error")
+ public String showError() {
+ return "error";
+ }
+}
diff --git a/src/main/java/com/example/demo/exception/GlobalExceptionHandler.java b/src/main/java/com/example/demo/exception/GlobalExceptionHandler.java
new file mode 100644
index 0000000..17c1c7f
--- /dev/null
+++ b/src/main/java/com/example/demo/exception/GlobalExceptionHandler.java
@@ -0,0 +1,22 @@
+package com.example.demo.exception;
+
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+
+@ControllerAdvice
+public class GlobalExceptionHandler {
+
+ @ExceptionHandler(Exception.class)
+ public String handleException(
+ Exception e,
+ Model model) {
+
+ model.addAttribute(
+ "errorMessage",
+ "システムエラーが発生しました。"
+ + "初めからやり直してください。");
+
+ return "error";
+ }
+}
diff --git a/src/main/resources/templates/error.html b/src/main/resources/templates/error.html
new file mode 100644
index 0000000..2bf0229
--- /dev/null
+++ b/src/main/resources/templates/error.html
@@ -0,0 +1,32 @@
+
+
+
+
+エラー
+
+
+
+
+
+
+
+
+
+
+
+
+
+ エラーが発生しました
+
+
+
+
+
+ ログイン画面へ
+
+
+