chore:debug용 엔드포인트

Author: dooongdaeng

back/src/main/java/com/back/global/mail/MailDebugController.java

@@ -0,0 +1,45 @@
+package com.back.global.mail;
+
+import org.springframework.context.ApplicationContext;
+import org.springframework.mail.javamail.JavaMailSender;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Arrays;
+
+@RestController
+public class MailDebugController {
+
+    private final ApplicationContext context;
+
+    public MailDebugController(ApplicationContext context) {
+        this.context = context;
+    }
+
+    @GetMapping("/debug/mail")
+    public String debugMail() {
+        StringBuilder sb = new StringBuilder();
+
+        // MailConfig 빈 확인
+        sb.append("MailConfig bean exists: ").append(context.containsBean("mailConfig")).append("\n");
+
+        // JavaMailSender 빈 확인
+        sb.append("JavaMailSender bean exists: ").append(context.containsBean("javaMailSender")).append("\n");
+
+        // 모든 Configuration 빈 확인
+        sb.append("\nAll Configuration beans:\n");
+        Arrays.stream(context.getBeanDefinitionNames())
+            .filter(name -> name.toLowerCase().contains("config"))
+            .forEach(name -> sb.append("- ").append(name).append("\n"));
+
+        // JavaMailSender 타입의 빈 확인
+        try {
+            JavaMailSender mailSender = context.getBean(JavaMailSender.class);
+            sb.append("\nJavaMailSender found: ").append(mailSender.getClass().getName());
+        } catch (Exception e) {
+            sb.append("\nJavaMailSender NOT found: ").append(e.getMessage());
+        }
+
+        return sb.toString();
+    }
+}