Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Discord.Net should not throw unobserved task exceptions

See original GitHub issue

ArchiBoT|OnUnobservedTaskException() System.AggregateException: A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception property. As a result, the unobserved exception was rethrown by the finalizer thread. (WebSocket connection was closed) ---> System.Exception: WebSocket connection was closed ---> System.Net.WebSockets.WebSocketException: The remote party closed the WebSocket connection without completing the close handshake. ---> System.Net.WebSockets.WebSocketException: An exception caused the WebSocket to enter the Aborted state. Please see the InnerException, if present, for more details.
   at System.Net.WebSockets.ManagedWebSocket.<CloseWithReceiveErrorAndThrowAsync>d__65.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Net.WebSockets.ManagedWebSocket.<ReceiveAsyncPrivate>d__61.MoveNext()
   --- End of inner exception stack trace ---
   at System.Net.WebSockets.ManagedWebSocket.<ReceiveAsyncPrivate>d__61.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Discord.Net.WebSockets.DefaultWebSocketClient.<RunAsync>d__32.MoveNext()
   --- End of inner exception stack trace ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Discord.ConnectionManager.<WaitAsync>d__33.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Discord.WebSocket.DiscordSocketClient.<OnConnectingAsync>d__93.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at Discord.WebSocket.DiscordSocketClient.<OnConnectingAsync>d__93.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Discord.ConnectionManager.<ConnectAsync>d__30.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Discord.ConnectionManager.<>c__DisplayClass28_0.<<StartAsync>b__0>d.MoveNext()
   --- End of inner exception stack trace ---
---> (Inner Exception #0) System.Exception: WebSocket connection was closed ---> System.Net.WebSockets.WebSocketException: The remote party closed the WebSocket connection without completing the close handshake. ---> System.Net.WebSockets.WebSocketException: An exception caused the WebSocket to enter the Aborted state. Please see the InnerException, if present, for more details.
   at System.Net.WebSockets.ManagedWebSocket.<CloseWithReceiveErrorAndThrowAsync>d__65.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Net.WebSockets.ManagedWebSocket.<ReceiveAsyncPrivate>d__61.MoveNext()
   --- End of inner exception stack trace ---
   at System.Net.WebSockets.ManagedWebSocket.<ReceiveAsyncPrivate>d__61.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Discord.Net.WebSockets.DefaultWebSocketClient.<RunAsync>d__32.MoveNext()
   --- End of inner exception stack trace ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Discord.ConnectionManager.<WaitAsync>d__33.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Discord.WebSocket.DiscordSocketClient.<OnConnectingAsync>d__93.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at Discord.WebSocket.DiscordSocketClient.<OnConnectingAsync>d__93.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Discord.ConnectionManager.<ConnectAsync>d__30.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Discord.ConnectionManager.<>c__DisplayClass28_0.<<StartAsync>b__0>d.MoveNext()<---

This was on latest 1.0.2.