SSO 로그인시 role 세션 저장관련 NPE 대응

src/main/java/com/eactive/eai/rms/common/login/MainController.java

@@ -291,7 +291,7 @@ public class MainController implements InterceptorSkipController {
 			session.setAttribute("userId", userInfo.getUserid());
 			session.setAttribute("dualLogin", "N");
 			SessionManager.forceRegisterUserSession(request, dto);
-			session.setAttribute(CommonConstants.LOGIN, dto);
+			// roleList가 설정된 후 loadUserInfoAndSetupSession 내부에서 세션에 저장됨
 
 			String result = loadUserInfoAndSetupSession(request, session, dto, userInfo);
 

src/main/java/com/eactive/eai/rms/common/login/SessionManager.java

@@ -98,7 +98,10 @@ public class SessionManager {
 	 */
 	public static List<String> getRoleId(HttpServletRequest request) {
 		LoginVo login = (LoginVo)request.getSession().getAttribute(CommonConstants.LOGIN);
-		return login.getRoleList(); 
+		if (login == null) {
+            return null;
+        }
+		return login.getRoleList();
 	}
 	/**
 	 * 세션에서 RoleID를 얻어오는 메소드
@@ -108,12 +111,16 @@ public class SessionManager {
 	 */
 	public static String getRoleIdString(HttpServletRequest request) {
 		LoginVo login = (LoginVo)request.getSession().getAttribute(CommonConstants.LOGIN);
-		
+
 		if (login == null) {
             return null;
         }
-		
+
-		List<String> roleList = login.getRoleList(); 
+		List<String> roleList = login.getRoleList();
+
+		if (roleList == null || roleList.isEmpty()) {
+            return null;
+        }
 
 		String roles = "";
         for(String role : roleList){