how to fix StreamJsonRpc.ConnectionLostException : The JSON-RPC connection with the remote party was lost before the request could complete. ---> System.OperationCanceledException : The operation was canceled.

Starfall Conquer 30

even upgrade to the latest Version 17.6.4

still does it, can even be idle when it happens, Super annoying.

StreamJsonRpc.ConnectionLostException : The JSON-RPC connection with the remote party was lost before the request could complete. ---> System.OperationCanceledException : The operation was canceled.
   at System.Threading.CancellationToken.ThrowOperationCanceledException()
   at async StreamJsonRpc.MessageHandlerBase.WriteAsync(<Unknown Parameters>)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at async StreamJsonRpc.JsonRpc.SendAsync(<Unknown Parameters>)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at async StreamJsonRpc.JsonRpc.InvokeCoreAsync(<Unknown Parameters>)
   --- End of inner exception stack trace ---
   at async StreamJsonRpc.JsonRpc.InvokeCoreAsync(<Unknown Parameters>)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at async StreamJsonRpc.JsonRpc.InvokeCoreAsync[TResult](<Unknown Parameters>)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at async Microsoft.CodeAnalysis.Remote.BrokeredServiceConnection`1.TryInvokeAsync[TService](<Unknown Parameters>)

Giridhar Sadineni 0 Reputation points

2023-09-21T06:56:35.27+00:00

Facing the same issue as above. tried all suggested solutions but no luck. VS version 17.7.4
JordiCasas-6718 1 Reputation point

2023-09-22T07:02:44.2+00:00

Same here.

Gehan Fernando 15

I am using VS 2022 17.7.4 version, and I am getting same error.

To resolve this issue,

Delete ComponentModelCache
Repair VS 2022
Re-Install VS 2022
Format the machine and re-install VS 2022

After all same error facing. Microsoft Can you fix this issue asap.

StreamJsonRpc.ConnectionLostException : The JSON-RPC connection with the remote party was lost before the request could complete.
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at async StreamJsonRpc.JsonRpc.InvokeCoreAsync(<Unknown Parameters>)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at async StreamJsonRpc.JsonRpc.InvokeCoreAsync[TResult](<Unknown Parameters>)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Threading.Tasks.ValueTask`1.get_Result()
   at async Microsoft.CodeAnalysis.Remote.BrokeredServiceConnection`1.TryInvokeAsync[TService,TResult](<Unknown Parameters>)

Arno Marais2 0

Facing the same issue

Task Failed - Activating language client HtmlLanguageClient: HtmlLanguageClient failed to initialize.  Please report a problem via Help -> Send Feedback -> Report a Problem.  Status = Sending 'initialize' request.  Exception = StreamJsonRpc.ConnectionLostException: The JSON-RPC connection with the remote party was lost before the request could complete.
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at StreamJsonRpc.JsonRpc.<InvokeCoreAsync>d__162.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 StreamJsonRpc.JsonRpc.<InvokeCoreAsync>d__151`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 Microsoft.VisualStudio.LanguageServer.Client.JsonRpcExtensionMethods.<SendMethodRequestWithTelemetryAsync>d__0`2.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 Microsoft.VisualStudio.LanguageServer.Client.RemoteLanguageClientInstance.<SendInitializeRequestAsync>d__120.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 Microsoft.VisualStudio.LanguageServer.Client.RemoteLanguageClientInstance.<InitializeAsync>d__117.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 Microsoft.VisualStudio.Threading.TplExtensions.<WithTimeout>d__5.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 Microsoft.VisualStudio.LanguageServer.Client.RemoteLanguageClientInstance.<TrackTaskAsync>d__118.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 Microsoft.VisualStudio.LanguageServer.Client.RemoteLanguageClientInstance.<ActivateLanguageClientAsync>d__127.MoveNext()

Eddy, Christopher@DGS 0

Hello,

With 17.7.5 still having this same issue. Tried deleting the cache directory, no newtonsoft.

[10/23/2023 1:25:57.467 PM]  Log level is set to Trace (Includes Platform logs).
[10/23/2023 1:26:00.013 PM]  Interrupt: Enqueueing RunAllOperation
[10/23/2023 1:26:00.014 PM]  Enqueue operation 'RunAllOperation', hashcode:61510603 
[10/23/2023 1:26:00.014 PM]  Operation left in the the queue: 1
[10/23/2023 1:26:00.014 PM]  	'RunAllOperation', hashcode:61510603
[10/23/2023 1:26:00.014 PM]  

[10/23/2023 1:26:00.014 PM]  Operation Dequeue : 'RunAllOperation'
[10/23/2023 1:26:00.016 PM] [Error] StreamJsonRpc.ConnectionLostException: The JSON-RPC connection with the remote party was lost before the request could complete. ---> System.OperationCanceledException: The operation was canceled.
   at System.Threading.CancellationToken.ThrowOperationCanceledException()
   at StreamJsonRpc.MessageHandlerBase.<WriteAsync>d__23.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at StreamJsonRpc.JsonRpc.<SendAsync>d__157.MoveNext()

Wim Koppelaar 0 Reputation points

2023-12-10T12:30:05.56+00:00

Same here..

Jacek 0

I have the same problem:

The JSON-RPC connection with the remote party was lost before the request could complete

   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at StreamJsonRpc.JsonRpc.<InvokeCoreAsync>d__162.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 StreamJsonRpc.JsonRpc.<InvokeCoreAsync>d__151`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 Microsoft.ML.ModelBuilder.ViewModels.TrainViewModel.<<StartTrainingAsync>b__92_0>d.MoveNext()

JW 10 Reputation points

2024-01-10T19:33:33.7733333+00:00

This problem started for me after upgrading to 17.8.4. I downgraded back to 17.8.3, and am still facing the same problem.
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Muhammad Tufail Younus 0 Reputation points

2024-01-16T09:22:39.5133333+00:00

StreamJsonRpc.ConnectionLostException : The JSON-RPC connection with the remote party was lost before the request could complete.
Muhammad Tufail Younus 0 Reputation points

2024-01-29T15:12:16.58+00:00

just open visual studio in administrator mode. just right click on visual studio and click run as administrator.
xinxin jiao 0 Reputation points

2024-07-04T01:10:39.48+00:00

Same here.
Xavier Rocher 10 Reputation points

2024-07-14T17:44:24.1533333+00:00

same issue for a few months
Xavier Rocher 10 Reputation points

2024-07-15T06:40:32.84+00:00

Same here. Please help us, because it blocks us to work.
Steve Ochry 0 Reputation points

2024-07-15T19:36:44.2+00:00

Check VS for updates. I did and it addressed it.
Craig Eisler 0 Reputation points

2024-10-06T17:39:45.74+00:00

StreamJsonRpc.ConnectionLostException : The JSON-RPC connection with the remote party was lost before the request could complete.

I get this non-stop, to the point of making VS nearly unusable. I am on the latest builds of both the pre-release (17.12.0 Preview 2.1) and the release branch (17.11.4), and if anything it has gotten worse as I've upgraded.
Topogigio 16 Reputation points

2025-01-31T15:58:25.09+00:00

same here from today running 17.12.4
Deivison Julio Ferreira 0 Reputation points

2025-02-13T19:18:08.48+00:00

The same problem is happening here. Is there anyone working in the company, or are they just focused on AI now?
Luca Zoffoli 0 Reputation points

2025-03-19T07:42:40.1033333+00:00

To resolve the issue I set "Run background code analysis for" to "None".

It’s not the real solution, because it doesn’t analyze more in background, but at least it didn’t give me more problems.
Mike W 0 Reputation points

2025-04-25T10:56:33.0966667+00:00
Same problem here, running VS 2022 v17.13.6 on a Dell Inspiron laptop with a Core 7 150U processor and 32GB memory - all Dell and Win 11 updates applied. We have tried:

Repairing VS

Uninstalling / reinstalling VS

Cleaning the cache

Setting 'run background code analysis for' to 'none'

Despite this, the issue is happening several times a day, but only for one of our devs. Is a laptop of this spec just not up to running VS?
Paul Ward 26 Reputation points

2025-05-29T09:18:04.6866667+00:00

I'm also having this issue.

I reached out on X ... no response from anyone there yet ...
https://x.com/CoderPW/status/1925935258324652049

It seems to be an issue in larger codebases.
It's like it's not managing the workload properly and tasks are just timing out in a queue as a result.

I believe this to be the root cause of BSOD's in my case.
Alex TD 0 Reputation points

2025-06-11T23:29:28.03+00:00

No one has mentioned Burst, but I found that was the cause of my issue.

Now I have a niche setup, because I'm opening decompiled C# code for a video game, but all I had to do to get Visual Studio to stop hanging after a minute was delete the Burst Attributes from the Properties/AssemblyInfo.cs. I'm certainly not re-compiling this code so it's no problem for me but that was the root cause, as the previous game version worked fine which didn't use Burst.

6 answers

Luca Zoffoli 0 Reputation points

2025-03-19T07:44:07.0533333+00:00

To fix it I set "Run background analysis for" to "None".

It’s not the real solution, but at least it didn’t give me more problems.
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how to fix StreamJsonRpc.ConnectionLostException : The JSON-RPC connection with the remote party was lost before the request could complete. ---> System.OperationCanceledException : The operation was canceled.

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