Same problem. Samsung GT I9195.
Log: 2017-08-06 13:41:37,887 - [ERROR -BaseHandler] - IO_ERROR
2017-08-06 13:41:38,227 - [ERROR -WebSocketClient] - WebSocket error java.net.SocketTimeoutException: failed to connect to
eu-west-1-camera.airdroid.com/ (my ip) (port 26662) after 30000ms
2017-08-06 13:41:42,630 - [INFO -LogUploadHelper] - httpException java.lang.Exception: Error response code: 414
2017-08-06 13:41:43,196 - [INFO -CameraHandler2] - stream channel created false
2017-08-06 13:41:43,278 - [INFO -ForwardDataProcessTask] - socketIsConnected : true
2017-08-06 13:41:43,645 - [ERROR -WebSocketClient] - WebSocket error java.net.SocketException: Socket closed
2017-08-06 13:41:43,673 - [INFO -CameraHandler2] - stream channel created false
2017-08-06 13:41:43,753 - [INFO -ForwardDataProcessTask] - socketIsConnected : true
2017-08-06 13:41:54,312 - [INFO -CameraHandler2] - stream channel created false
2017-08-06 13:41:54,394 - [INFO -ForwardDataProcessTask] - socketIsConnected : true
2017-08-06 13:41:59,124 - [INFO -CameraPreviewService] - timeup: stop camera service.1115555312
2017-08-06 13:41:59,147 - [ERROR -CameraPreview] - release