jpablog : exception handling

jpablog/src/main/java/com/example/jpablog/handler/GlobalExceptionHandler.java

@@ -0,0 +1,15 @@
+package com.example.jpablog.handler;
+
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestController;
+
+@ControllerAdvice
+@RestController
+public class GlobalExceptionHandler {
+
+    @ExceptionHandler(value = Exception.class)
+    public String handleArgumentException(Exception e) {
+        return "<h1>" + e.getMessage() + "</h1>";
+    }
+}