[FIX] エラー画面でセッション廃棄されない問題を修正しました。

src/main/java/com/example/demo/aop/handler/GlobalExceptionHandler.java

@@ -4,6 +4,8 @@ package com.example.demo.aop.handler;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
+import jakarta.servlet.http.HttpSession;
+
 import org.springframework.http.HttpStatus;
 import org.springframework.ui.Model;
 import org.springframework.web.HttpRequestMethodNotSupportedException;
@@ -37,7 +39,7 @@ public class GlobalExceptionHandler {
 	}
 
 	@ExceptionHandler(HttpRequestMethodNotSupportedException.class)
-	public String handleBadRequestException(Model model, Exception e) {
+	public String handleBadRequestException(Model model, Exception e, HttpSession session) {
 		model.addAttribute("error", SEVERE_ERROR_MESSAGE_BAD_REQUEST);
 		model.addAttribute("status", HttpStatus.BAD_REQUEST.value());
 
@@ -45,17 +47,23 @@ public class GlobalExceptionHandler {
 
 		LOGGER.log(Level.SEVERE, SEVERE_ERROR_MESSAGE_ILLEGAL_TRANSITION, e);
 		
+		System.out.println("session invalidated");
+    	session.invalidate();
+
 		return "error";
 	}
 
 	@ExceptionHandler(Exception.class)
-	public String AllException(Model model, Exception e) {
+	public String AllException(Model model, Exception e, HttpSession session) {
 		model.addAttribute("error", SEVERE_ERROR_MESSAGE_BAD_REQUEST);
 
 		e.printStackTrace();
 
 		LOGGER.log(Level.SEVERE, SEVERE_ERROR_MESSAGE_ILLEGAL_TRANSITION, e);
 
+		System.out.println("session invalidated");
+    	session.invalidate();
+		
 		return "error";
 	}
 }