From 7719c002ff85a81761acb35f8a593f1a4003e193 Mon Sep 17 00:00:00 2001
From: n-kawahito <n-kawahito@iij.ad.jp>
Date: Fri, 18 Sep 2026 12:46:43 +0900
Subject: [PATCH] =?UTF-8?q?[ADD]=E5=85=B1=E9=80=9A=E4=BE=8B=E5=A4=96?=
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---
 .../exception/GlobalExceptionHandler.java     | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 src/main/java/com/example/demo/exception/GlobalExceptionHandler.java

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";
+    }
+}