针对您提出的“flutter was not upgraded to websocket”问题,这实际上可能是一个误解或者是一个特定情境下的描述。Flutter 本身是一个用于构建跨平台应用程序的开源UI框架,由Dart语言编写,而WebSocket则是一种在单个TCP连接上进行全双工通讯的协议。Flutter 并不直接“升级”到WebSocket,但您可以在Flutter项目中使用WebS...
Install进行安装,安装过程中会有弹出窗口提示是否安装Dart,勾选安装Dart。 如果没能搜到Flutter,可以检查一下Use secureconnection选项是否是勾上的,取消该选项,选择... Project; 3.在这里,我选择的是FlutterApplication,点击next;需要注意的是flutter项目名必须要小写,点击finish即可创建完成啦; 4.安装FlutterSDK ...
Level.debug websocket_interface.dart:94 ::: Closed [500, WebSocketException: Connection to 'https://xxx.xxx.xxx:39443/#' was not upgraded to websocket]! but where does the # comes from? thelittlebugcommentedMay 6, 2020 in my case im pretty sure its related to this issue:dart-lang/sdk...
Since 3.24.0 Command: flutter run (mostly with --machine) Represents about 1% on crashes on 3.24.3 (which has ~1% of users experiencing crashes) There are a couple of other stack traces, but 96% of them looked like this: WebSocketExcepti...
I am trying to integrate my flutter app to connect to a websocket that i created on my Spring Backend. But I am getting the following error Connection to 'http://host:post/websocket/tracker#' was not upgraded to websocket majdkz97 commented Dec 1, 2019 which library do you use to co...
I/flutter (14268): There was an error causing connection lost: WebSocketException: Connection to 'http:///#' was not upgraded to websocket This is how I initiate the websocket: Link _link; final WebSocketLink websocketLink = WebSocketLink( ...
StateError: Bad state: WebSocketChannelException: HttpException: Connection closed before full header was received, uri =http://127.0.0.1:45039/aNcinXekEQ4=/ws #0 DartDevelopmentService.startDartDevelopmentService (package:flutter_tools/src/base/dds.dart:290:9)<asynchronous suspension>#1 FlutterDevice...
Exception: Error connecting to observatory: WebSocketChannelException: WebSocketChannelException: HttpException: Connection closed before full header was received, uri = http://127.0.0.1:8122/ws #0 throwToolExit (package:flutter_tools/src/base/common.dart:29) #1 VM.invokeRpcRaw (package:flutter_tools...
I/flutter (14268): There was an error causing connection lost: WebSocketException: Connection to 'http:///#' was not upgraded to websocket This is how I initiate the websocket: Link _link; final WebSocketLink websocketLink = WebSocketLink( url: 'ws://<my server IP>/', config: SocketCli...