Index: .idea/sonarIssues.xml
===================================================================
diff -u -r168267305d4b28d6f00223705d3d7a19bc42436a -r18b1aee629a50834746bc82e4511ab0c91d2b0a2
--- .idea/sonarIssues.xml	(.../sonarIssues.xml)	(revision 168267305d4b28d6f00223705d3d7a19bc42436a)
+++ .idea/sonarIssues.xml	(.../sonarIssues.xml)	(revision 18b1aee629a50834746bc82e4511ab0c91d2b0a2)
@@ -78,6 +78,11 @@
             <set />
           </value>
         </entry>
+        <entry key="$PROJECT_DIR$/development-project/project-standard/standard-api-server/src/main/java/egovframework/com/ext/jstree/support/security/handler/AppSuccessHandler.java">
+          <value>
+            <set />
+          </value>
+        </entry>
         <entry key="$PROJECT_DIR$/development-project/project-standard/standard-api-server/src/main/java/egovframework/com/ext/jstree/support/security/registry/AppConnectionSignUp.java">
           <value>
             <set />
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/controller/PagesController.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/controller/RegistrationController.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/database/dao/GenericDao.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/database/dao/RoleDAO.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/database/dao/UserDAO.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/database/model/Role.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/database/model/User.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/dto/LocalUser.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/dto/SocialProvider.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/dto/SocialUser.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/dto/UserRegistrationForm.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/entrypoint/AppAuthenticationEntryPoint.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/exception/UserAlreadyExistAuthenticationException.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/handler/AppSuccessHandler.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/registry/AppConnectionSignUp.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/registry/AppSocialAuthenticationServiceRegistry.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/service/LocalUserDetailService.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/service/RegistrationUserDetailService.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/service/SocialUserDetailService.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/service/UserService.java'.
FishEye: No comparison available.  Pass `N' to diff?
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/java/com/spring/security/social/login/example/util/SecurityUtil.java'.
FishEye: No comparison available.  Pass `N' to diff?
Index: development-project/project-standard/standard-api-server/src/main/java/egovframework/com/ext/jstree/support/security/registry/AppConnectionSignUp.java
===================================================================
diff -u -r168267305d4b28d6f00223705d3d7a19bc42436a -r18b1aee629a50834746bc82e4511ab0c91d2b0a2
--- development-project/project-standard/standard-api-server/src/main/java/egovframework/com/ext/jstree/support/security/registry/AppConnectionSignUp.java	(.../AppConnectionSignUp.java)	(revision 168267305d4b28d6f00223705d3d7a19bc42436a)
+++ development-project/project-standard/standard-api-server/src/main/java/egovframework/com/ext/jstree/support/security/registry/AppConnectionSignUp.java	(.../AppConnectionSignUp.java)	(revision 18b1aee629a50834746bc82e4511ab0c91d2b0a2)
@@ -1,6 +1,9 @@
 package egovframework.com.ext.jstree.support.security.registry;
 
+import egovframework.com.ext.jstree.support.security.database.dao.UserDAO;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.security.core.userdetails.UserDetailsService;
 import org.springframework.social.connect.Connection;
 import org.springframework.social.connect.ConnectionSignUp;
 import org.springframework.social.connect.UserProfile;
@@ -10,6 +13,7 @@
 import egovframework.com.ext.jstree.support.security.dto.SocialProvider;
 import egovframework.com.ext.jstree.support.security.dto.UserRegistrationForm;
 import egovframework.com.ext.jstree.support.security.service.UserService;
+import org.springframework.util.ObjectUtils;
 
 /**
  * If no local user associated with the given connection then
@@ -23,11 +27,25 @@
     @Autowired
     private UserService userService;
 
+    @Autowired
+    @Qualifier(value = "localUserDetailService")
+    private UserDetailsService userDetailService;
+
+    @Autowired
+    private UserDAO userDAO;
+
     @Override
     public String execute(final Connection<?> connection) {
         UserRegistrationForm userDetails = toUserRegistrationObject(connection.getKey().getProviderUserId(), SecurityUtil.toSocialProvider(connection.getKey().getProviderId()), connection.fetchUserProfile());
-        LocalUser user = (LocalUser) userService.registerNewUser(userDetails);
-        return user.getUserId();
+
+        LocalUser checkToUser = (LocalUser) userDetailService.loadUserByUsername(userDetails.getUserId());
+        if(null == checkToUser){
+            LocalUser user = (LocalUser) userService.registerNewUser(userDetails);
+            return user.getUserId();
+        }else{
+            return checkToUser.getUserId();
+        }
+
     }
 
     private UserRegistrationForm toUserRegistrationObject(final String userId, final SocialProvider socialProvider, final UserProfile userProfile) {
FishEye: Tag 18b1aee629a50834746bc82e4511ab0c91d2b0a2 refers to a dead (removed) revision in file `development-project/project-standard/standard-api-server/src/main/webapp/WEB-INF/spring-social-login-servlet.xml'.
FishEye: No comparison available.  Pass `N' to diff?
Index: development-project/project-standard/standard-api-server/src/main/webapp/WEB-INF/web.xml
===================================================================
diff -u -r168267305d4b28d6f00223705d3d7a19bc42436a -r18b1aee629a50834746bc82e4511ab0c91d2b0a2
--- development-project/project-standard/standard-api-server/src/main/webapp/WEB-INF/web.xml	(.../web.xml)	(revision 168267305d4b28d6f00223705d3d7a19bc42436a)
+++ development-project/project-standard/standard-api-server/src/main/webapp/WEB-INF/web.xml	(.../web.xml)	(revision 18b1aee629a50834746bc82e4511ab0c91d2b0a2)
@@ -22,15 +22,6 @@
         <url-pattern>/*</url-pattern>
     </filter-mapping>
 
-    <filter>
-        <filter-name>hiddenHttpMethodFilter</filter-name>
-        <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
-    </filter>
-    <filter-mapping>
-        <filter-name>hiddenHttpMethodFilter</filter-name>
-        <url-pattern>/*</url-pattern>
-    </filter-mapping>
-
     <servlet>
         <servlet-name>spring</servlet-name>
         <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>