Errors in Windows Event Log on server

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Hi – I’m getting alot of these errors in my Server event log an trying to figure put if it’s my code or something in WISEJ itself causing it:

<Event xmlns=”http://schemas.microsoft.com/win/2004/08/events/event”>
– <System>
<Provider Name=”ASP.NET 4.0.30319.0″ />
<EventID Qualifiers=”32768″>1309</EventID>
<Level>3</Level>
<Task>3</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime=”2019-05-06T22:06:10.000000000Z” />
<EventRecordID>10816</EventRecordID>
<Channel>Application</Channel>
<Computer>ISHDEV.ish.local</Computer>
<Security />
</System>
– <EventData>
<Data>3005</Data>
<Data>An unhandled exception has occurred.</Data>
<Data>5/6/2019 6:06:10 PM</Data>
<Data>5/6/2019 10:06:10 PM</Data>
<Data>488076033a9342f28063a6cea11398dd</Data>
<Data>1285</Data>
<Data>4</Data>
<Data>0</Data>
<Data>/LM/W3SVC/2/ROOT-1-132015828493470139</Data>
<Data>Full</Data>
<Data>/</Data>
<Data>C:\inetpub\wwwroot\ImagingDesktop\</Data>
<Data>ISHDEV</Data>
<Data />
<Data>4216</Data>
<Data>w3wp.exe</Data>
<Data>ISH\svc_demo</Data>
<Data>WebSocketException</Data>
<Data>Reached the end of the file at System.Web.WebSockets.WebSocketPipe.<>c__DisplayClass9_0.<ReadFragmentAsync>b__0(Int32 hrError, Int32 cbIO, Boolean fUtf8Encoded, Boolean fFinalFragment, Boolean fClose) — 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.Web.WebSockets.AspNetWebSocket.<DoWork>d__45`1.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.Web.WebSockets.AspNetWebSocket.<>c__DisplayClass36_0.<<ReceiveAsyncImpl>b__0>d.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 Wisej.Core.HttpHandler.<ProcessWebSocketRequest>d__18.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.Web.WebSocketPipeline.<ProcessRequestImplAsync>d__9.MoveNext()</Data>
<Data />
<Data />
<Data />
<Data />
<Data>False</Data>
<Data />
<Data>ISH\svc_demo</Data>
<Data>147</Data>
<Data>ISH\svc_demo</Data>
<Data>False</Data>
<Data>at System.Web.WebSockets.WebSocketPipe.<>c__DisplayClass9_0.<ReadFragmentAsync>b__0(Int32 hrError, Int32 cbIO, Boolean fUtf8Encoded, Boolean fFinalFragment, Boolean fClose) — 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.Web.WebSockets.AspNetWebSocket.<DoWork>d__45`1.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.Web.WebSockets.AspNetWebSocket.<>c__DisplayClass36_0.<<ReceiveAsyncImpl>b__0>d.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 Wisej.Core.HttpHandler.<ProcessWebSocketRequest>d__18.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.Web.WebSocketPipeline.<ProcessRequestImplAsync>d__9.MoveNext()</Data>
</EventData>
</Event>

  • Mark Reed
    I think that is a normal error you get from IIS when a websocket is disconnected abruptly. I don’t think it is specific to wisej.
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Does it affect the server? It’s probably what Mark wrote. I have seen the same on installations using SignalR (Microsoft websocket library) when the browser is closed or refreshed since it simply kills the web socket connection.

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