update

mec-im/src/main/java/com/ym/dao/RoomDao.java

@@ -18,6 +18,9 @@ import java.util.List;
 public interface RoomDao extends JpaRepository<Room, Long> {
     Room findByRid(String rid);
 
+    @Lock(value = LockModeType.PESSIMISTIC_WRITE)
+    Room findByLockRid(String rid);
+
     @Modifying
     int deleteByRid(String rid);
 

mec-im/src/main/java/com/ym/service/Impl/RoomServiceImpl.java

@@ -256,15 +256,11 @@ public class RoomServiceImpl implements RoomService {
         }
 
         Date curTime = DateTimeUtils.currentUTC();
-        Room room = roomDao.findByRid(roomId);
+        Room room = roomDao.findByLockRid(roomId);
         if (room == null) {
             //如果房间不存在，删除除了自己之外的其他用户
 //            roomMemberDao.deleteRoomMember(roomId,userId);
-            try {
-                saveRoom(roomId, roomId, curTime, display);
-            }catch (Exception e){
-                log.error("joinRoomSuccess saveRoom error: {}", e.getMessage());
-            }
+            saveRoom(roomId, roomId, curTime, display);
             IMApiResultInfo resultInfo = imHelper.createGroup(new String[]{userId}, roomId, roomId);
             if (!resultInfo.isSuccess()) {
                 log.error("joinRoomSuccess createGroup error: roomId={}, {}", roomId, resultInfo.getErrorMessage());