fix: 401 인증에러 발생시 Body에 status값 추가.

pav-server/src/main/java/com/palnet/biz/api/acnt/jwt/filter/JwtAuthenticationEntryPoint.java

@@ -2,24 +2,42 @@ package com.palnet.biz.api.acnt.jwt.filter;
 
 import java.io.IOException;
 import java.io.Serializable;
+import java.util.HashMap;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import com.palnet.comn.utils.JsonUtils;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.security.core.AuthenticationException;
 import org.springframework.security.web.AuthenticationEntryPoint;
 import org.springframework.stereotype.Component;
 
-//허가되지 않은 사용자라면, 접근 불가 메세지를 띄워 리소스 정보획득을 못하게 막아줍니다.
 @Component
+@Slf4j
 public class JwtAuthenticationEntryPoint implements AuthenticationEntryPoint, Serializable {
 
     private static final long serialVersionUID = -7858869558953243875L;
 
+    /**
+     * 인증되지 않은 사용자의 Exception을 Handling하는 메소드입니다.
+     * @param request that resulted in an <code>AuthenticationException</code>
+     * @param response so that the user agent can begin authentication
+     * @param authException that caused the invocation
+     * @throws IOException
+     */
     @Override
-    public void commence(HttpServletRequest request, HttpServletResponse response,
-                         AuthenticationException authException) throws IOException {
-    	
-        response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Unauthorized");
+    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException {
+
+        HashMap<String, Object> jsonResponseBody = new HashMap<>();
+        jsonResponseBody.put("status", HttpServletResponse.SC_UNAUTHORIZED);
+
+        String jsonBody = JsonUtils.toJson(jsonResponseBody);
+
+        response.setContentType("application/json");
+        response.setCharacterEncoding("UTF-8");
+
+        response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
+        response.getWriter().write(jsonBody);
     }
 }