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.*;
@@ -17,22 +19,29 @@ 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) {
-        UserDetails userDetails = (UserDetails) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
-        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]);
-        rs.put(Constants.Session_UserDName, userNameWithIdAttached.split(":")[2]);
-        List<String> roles = new ArrayList<>();
-        userDetails.getAuthorities().forEach(auth -> roles.add(auth.getAuthority()));
-        rs.put(Constants.Session_Roles, roles);
-
-        HttpSession session = request.getSession();
-        Object lang = session.getAttribute(Constants.Session_Lang);
-        rs.put(Constants.Session_Lang, lang != null ? lang.toString() : "cn");
-        return rs;
+        try {
+            UserDetails userDetails = (UserDetails) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
+            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]);
+            rs.put(Constants.Session_UserDName, userNameWithIdAttached.split(":")[2]);
+            List<String> roles = new ArrayList<>();
+            userDetails.getAuthorities().forEach(auth -> roles.add(auth.getAuthority()));
+            rs.put(Constants.Session_Roles, roles);
+
+            HttpSession session = request.getSession();
+            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)