处理sessionInfo异常

src/main/java/com/keymobile/proxy/api/LoginManagement.java

 package com.keymobile.proxy.api;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.web.bind.annotation.*;
@@ -17,10 +19,13 @@ import java.util.Map;
 @RequestMapping(value = "/")
 public class LoginManagement {
 
+    private Logger logger = LoggerFactory.getLogger(LoginManagement.class);
+
     @RequestMapping(value = "/sessionInfo", method = RequestMethod.POST)
     public @ResponseBody Map<String,Object> verifyLogin(HttpServletRequest request, HttpServletResponse response) {
+        try {
             UserDetails userDetails = (UserDetails) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
-        Map<String,Object> rs = new HashMap<>();
+            Map<String, Object> rs = new HashMap<>();
             String userNameWithIdAttached = userDetails.getUsername();
             rs.put(Constants.Session_UserName, userNameWithIdAttached.split(":")[0]);
             rs.put(Constants.Session_UserId, userNameWithIdAttached.split(":")[1]);
@@ -33,6 +38,10 @@ public class LoginManagement {
             Object lang = session.getAttribute(Constants.Session_Lang);
             rs.put(Constants.Session_Lang, lang != null ? lang.toString() : "cn");
             return rs;
+        } catch (Exception e) {
+            logger.error("Errors occur when getting session." ,e);
+            return null;
+        }
     }
 
     @RequestMapping(value = "/lang", method = RequestMethod.POST)