question

SlobodanKaterovi-6478 avatar image
0 Votes"
SlobodanKaterovi-6478 asked SlobodanKaterovi-6478 answered

Version problems on the client and server ... what is important?

An app (.NET client) does not create a connection with a server (client log attached). The connection with the same server works on another (client) machine.

The connection with the other server (cloned/same configuration) works on same (client) machine.

:-/ What can be the cause?


Server: Server 2016 Standard, IIS 10
Client: Win10 Pro


How do I check version problems on the client and server? Or is the problem maybe somewhere else?

Client LOG (your Upload function is buggy)



16:21:45.0921858 - null - ChangeState(Disconnected, Connecting)
16:21:45.8062008 - 7d2b25c1-efa5-4ff0-b2d4-c344d86ecc4a - WS Connecting to: ws://192.168.100.51/signalr/connect?clientProtocol=2.1&transport=webSockets&connectionData=[{"Name":"SRMessenger"}]&connectionToken=DNVZxCsHpb%2FGw%2B3C%2FVYO2BOrvUF%2F%2BfS8e6ERmFzhKpAjB0%2FKcViTjlGDQerQ7958uLVdfnVjEFEGKyZx2oTpJpplXA8U%2BgqCo8ao0vLGTs2hNv1zD%2FqEzfaBbezXSMfp&token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.eTJyxnFOUENvLoBJoEaynAMqK3K9OFzPzfVfh9o4ptQ
16:21:46.5471030 - 7d2b25c1-efa5-4ff0-b2d4-c344d86ecc4a - Auto: Failed to connect to using transport webSockets. System.Net.WebSockets.WebSocketException (0x80004005): Die Verbindung mit dem Remoteserver kann nicht hergestellt werden. ---> System.Net.WebException: Der Remoteserver hat einen Fehler zurückgegeben: (404) Nicht gefunden.
bei System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult)
bei System.Threading.Tasks.TaskFactory`1.FromAsyncCoreLogic(IAsyncResult iar, Func`2 endFunction, Action`1 endAction, Task`1 promise, Boolean requiresSynchronization)
--- Ende der Stapelüberwachung vom vorhergehenden Ort, an dem die Ausnahme ausgelöst wurde ---
bei System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
bei System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
bei System.Net.WebSockets.ClientWebSocket.<ConnectAsyncCore>d_21.MoveNext()
bei System.Net.WebSockets.ClientWebSocket.<ConnectAsyncCore>d
21.MoveNext()
--- Ende der Stapelüberwachung vom vorhergehenden Ort, an dem die Ausnahme ausgelöst wurde ---
bei System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
bei System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
bei Microsoft.AspNet.SignalR.Client.Transports.WebSocketTransport.<PerformConnect>d
18.MoveNext() in //src/Microsoft.AspNet.SignalR.Client/Transports/WebSocketTransport.cs:Zeile 101.
16:21:46.5500947 - 7d2b25c1-efa5-4ff0-b2d4-c344d86ecc4a - SSE: GET http://192.168.100.51/signalr/connect?clientProtocol=2.1&transport=serverSentEvents&connectionData=[{"Name":"SRMessenger"}]&connectionToken=DNVZxCsHpb%2FGw%2B3C%2FVYO2BOrvUF%2F%2BfS8e6ERmFzhKpAjB0%2FKcViTjlGDQerQ7958uLVdfnVjEFEGKyZx2oTpJpplXA8U%2BgqCo8ao0vLGTs2hNv1zD%2FqEzfaBbezXSMfp&token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.eTJyxnFOUENvLoBJoEaynAMqK3K9OFzPzfVfh9o4ptQ
16:21:47.1324764 - 7d2b25c1-efa5-4ff0-b2d4-c344d86ecc4a - Auto: Failed to connect to using transport serverSentEvents. Microsoft.AspNet.SignalR.Client.HttpClientException: StatusCode: 404, ReasonPhrase: 'Not Found', Version: 1.1, Content: System.Net.Http.StreamContent, Headers:
{
Connection: close
Date: Wed, 25 Aug 2021 16:21:46 GMT
Server: Microsoft-IIS/10.0
X-Powered-By: ASP.NET
Content-Length: 1245
Content-Type: text/html
}
bei Microsoft.AspNet.SignalR.Client.Http.DefaultHttpClient.<>c_DisplayClass5_0.<Get>b1(HttpResponseMessage responseMessage) in //src/Microsoft.AspNet.SignalR.Client/Http/DefaultHttpClient.cs:Zeile 95.
bei Microsoft.AspNet.SignalR.TaskAsyncHelper.<>c_DisplayClass31_0`2.<Then>b0(Task`1 t) in //src/Microsoft.AspNet.SignalR.Core/TaskAsyncHelper.cs:Zeile 494.
bei Microsoft.AspNet.SignalR.TaskAsyncHelper.TaskRunners`2.<>c_DisplayClass3_0.<RunTask>b0(Task`1 t) in //src/Microsoft.AspNet.SignalR.Core/TaskAsyncHelper.cs:Zeile 1280.
16:21:47.1335124 - 7d2b25c1-efa5-4ff0-b2d4-c344d86ecc4a - LP Connect: http://192.168.100.51/signalr/connect?clientProtocol=2.1&transport=longPolling&connectionData=[{"Name":"SRMessenger"}]&connectionToken=DNVZxCsHpb%2FGw%2B3C%2FVYO2BOrvUF%2F%2BfS8e6ERmFzhKpAjB0%2FKcViTjlGDQerQ7958uLVdfnVjEFEGKyZx2oTpJpplXA8U%2BgqCo8ao0vLGTs2hNv1zD%2FqEzfaBbezXSMfp&token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.eTJyxnFOUENvLoBJoEaynAMqK3K9OFzPzfVfh9o4ptQ
16:21:48.2882696 - 7d2b25c1-efa5-4ff0-b2d4-c344d86ecc4a - Auto: Failed to connect to using transport longPolling. Microsoft.AspNet.SignalR.Client.HttpClientException: StatusCode: 404, ReasonPhrase: 'Not Found', Version: 1.1, Content: System.Net.Http.StreamContent, Headers:
{
Connection: close
Date: Wed, 25 Aug 2021 16:21:47 GMT
Server: Microsoft-IIS/10.0
X-Powered-By: ASP.NET
Content-Length: 1245
Content-Type: text/html
}
bei Microsoft.AspNet.SignalR.Client.Http.DefaultHttpClient.<>c_DisplayClass6_0.<Post>b1(HttpResponseMessage responseMessage) in //src/Microsoft.AspNet.SignalR.Client/Http/DefaultHttpClient.cs:Zeile 155.
bei Microsoft.AspNet.SignalR.TaskAsyncHelper.<>c_DisplayClass31_0`2.<Then>b0(Task`1 t) in //src/Microsoft.AspNet.SignalR.Core/TaskAsyncHelper.cs:Zeile 494.
bei Microsoft.AspNet.SignalR.TaskAsyncHelper.TaskRunners`2.<>c_DisplayClass3_0.<RunTask>b0(Task`1 t) in //src/Microsoft.AspNet.SignalR.Core/TaskAsyncHelper.cs:Zeile 1280.
16:21:48.2882696 - 7d2b25c1-efa5-4ff0-b2d4-c344d86ecc4a - OnError(Microsoft.AspNet.SignalR.Client.HttpClientException: StatusCode: 404, ReasonPhrase: 'Not Found', Version: 1.1, Content: System.Net.Http.StreamContent, Headers:
{
Connection: close
Date: Wed, 25 Aug 2021 16:21:47 GMT
Server: Microsoft-IIS/10.0
X-Powered-By: ASP.NET
Content-Length: 1245
Content-Type: text/html
}
bei Microsoft.AspNet.SignalR.Client.Http.DefaultHttpClient.<>c_DisplayClass6_0.<Post>b1(HttpResponseMessage responseMessage) in //src/Microsoft.AspNet.SignalR.Client/Http/DefaultHttpClient.cs:Zeile 155.
bei Microsoft.AspNet.SignalR.TaskAsyncHelper.<>c_DisplayClass31_0`2.<Then>b0(Task`1 t) in //src/Microsoft.AspNet.SignalR.Core/TaskAsyncHelper.cs:Zeile 494.
bei Microsoft.AspNet.SignalR.TaskAsyncHelper.TaskRunners`2.<>c_DisplayClass3_0.<RunTask>b0(Task`1 t) in //src/Microsoft.AspNet.SignalR.Core/TaskAsyncHelper.cs:Zeile 1280.)
16:21:48.2902635 - 7d2b25c1-efa5-4ff0-b2d4-c344d86ecc4a - Disconnected
16:21:48.2902635 - 7d2b25c1-efa5-4ff0-b2d4-c344d86ecc4a - Transport.Dispose(7d2b25c1-efa5-4ff0-b2d4-c344d86ecc4a)
16:21:48.2902635 - 7d2b25c1-efa5-4ff0-b2d4-c344d86ecc4a - Closed

Server LOG


2021-08-25 16:21:45 192.168.100.51 GET /signalr/negotiate clientProtocol=2.1&connectionData=[%7B%22Name%22:%22SRMessenger%22%7D]&token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.eTJyxnFOUENvLoBJoEaynAMqK3K9OFzPzfVfh9o4ptQ 80 - 192.168.98.209 SignalR.Client.NetStandard/2.4.1.0+(Microsoft+Windows+NT+6.2.9200.0) - 200 0 0 0
2021-08-25 16:21:46 192.168.100.51 GET /signalr/connect clientProtocol=2.1&transport=webSockets&connectionData=[%7B%22Name%22:%22SRMessenger%22%7D]&connectionToken=DNVZxCsHpb%2FGw%2B3C%2FVYO2BOrvUF%2F%2BfS8e6ERmFzhKpAjB0%2FKcViTjlGDQerQ7958uLVdfnVjEFEGKyZx2oTpJpplXA8U%2BgqCo8ao0vLGTs2hNv1zD%2FqEzfaBbezXSMfp&token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.eTJyxnFOUENvLoBJoEaynAMqK3K9OFzPzfVfh9o4ptQ 80 - 192.168.98.209 - - 404 15 0 656
2021-08-25 16:21:46 192.168.100.51 GET /signalr/connect clientProtocol=2.1&transport=serverSentEvents&connectionData=[%7B%22Name%22:%22SRMessenger%22%7D]&connectionToken=DNVZxCsHpb%2FGw%2B3C%2FVYO2BOrvUF%2F%2BfS8e6ERmFzhKpAjB0%2FKcViTjlGDQerQ7958uLVdfnVjEFEGKyZx2oTpJpplXA8U%2BgqCo8ao0vLGTs2hNv1zD%2FqEzfaBbezXSMfp&token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dzLzIwMDgvMDYvaWRlbnRpdHkvY2xhaW1zL3VzZXJkYXRhIjoie1wiQWN0aXZlXCI6dHJ1ZSxcIkFjdGl2ZURpcmVjdG9yeVVzZXJcIjpcInNsb2JvZGFuLmthc3Rlcm92aWNcIixcIkNvbXB1dGVybmFtZVwiOm51bGwsXCJDcmVhdGVkXCI6XCJcXC9EYXRlKDE1NzYyMzU4MjkyNDArMDEwMClcXC9cIixcIkRlZmF1bHRFbnRpdHlcIjowLFwiRGVsZXRlZFwiOm51bGwsXCJFbnRpdHlcIjpudWxsLFwiRXhwaXJ5XCI6bnVsbCxcIkZpcnN0bmFtZVwiOlwiU2xvYm9kYW5cIixcIkZsYWdJbWFnZVwiOm51bGwsXCJJbmZvXCI6XCJTb2Z0d2FyZSBEZXZlbG9wZXJcIixcIklzQ2hhbmdlZFwiOmZhbHNlLFwiTGFzdENoYW5nZWRcIjpcIlxcL0RhdGUoMTYyMDgxMzA1NjIwMCswMjAwKVxcL1wiLFwiTGFzdENoYW5nZWRVc2VyXCI6XCJLYcWhdGVyb3ZpxIcsIFNsb2JvZGFuXCIsXCJMYXN0TG9naW5cIjpcIlxcL0RhdGUoMTYyOTkwODI5OTcyMyswMjAwKVxcL1wiLFwiTGFzdFN5bmNXaXRoQURcIjpcIlxcL0RhdGUoMTYxNjUyMTI1MTg1MCswMTAwKVxcL1wiLFwiTGFzdG5hbWVcIjpcIkthxaF0ZXJvdmnEh1wiLFwiTWFpbFwiOlwic2xvYm9kYW4ua2FzdGVyb3ZpY0BjYXJ0b25wbGFzdC5jb21cIixcIlJlc2lkZW5jZUNvdW50cnlcIjp7XCJDb3VudHJ5Q29kZVwiOlwiREVcIixcIkNvdW50cnlOYW1lXCI6XCJHZXJtYW55XCIsXCJDcmVhdGVkXCI6XCJcXC9EYXRlKDE2MTY1MTE1MzEwOTYrMDEwMClcXC9cIixcIkRlbGV0ZWRcIjpudWxsLFwiRW50aXRpZXNcIjpbXSxcIklTT0FscGhhM1wiOlwiREVVXCIsXCJJU09OdW1lcmljXCI6Mjc2LFwiSXNBY3RpdmVcIjp0cnVlLFwiTGFzdENoYW5nZWRcIjpcIlxcL0RhdGUoMTYxNjUxMTUzMTEwMCswMTAwKVxcL1wiLFwiTGFzdENoYW5nZWRVc2VyXCI6XCJcIixcIlVzZXJzXCI6W10sXCJWQVRDb2Rlc1wiOltdLFwiZGVfREVcIjpudWxsLFwiZW5fRU5cIjpudWxsfSxcIlJlc2lkZW5jZUNvdW50cnlDb2RlXCI6XCJERVwiLFwiU0lEXCI6XCJTLTEtNS0yMS0xNTE0NjYzMTc5LTM3NTMyNjk2ODEtMjM0NzM4MjU2NS0yNDIyXCIsXCJVc2VySWRcIjpcIjYzNGJhOTUzLTg2MjMtNGE3Yi1iNzBmLTk5YzZhYjI2ZTk4NVwiLFwiVXNlclVzZXJncm91cHNcIjpbXSxcIlVzZXJncm91cFwiOm51bGwsXCJVc2VyZ3JvdXBJZFwiOlwiMjBmOTVhYWUtZjM5Ny00OWE5LWE3MDMtMjhhZjJlNjYxNGU3XCJ9IiwibmJmIjoxNjI5OTA4NDk3LCJleHAiOjE2MzAwODEyOTcsImlhdCI6MTYyOTkwODQ5N30.eTJyxnFOUENvLoBJoEaynAMqK3K9OFzPzfVfh9o4ptQ 80 - 192.168.98.209 SignalR.Client.NetStandard/2.4.1.0+(Microsoft+Windows+NT+6.2.9200.0) - 404 15 0 546
2021-08-25 16:21:48 192.168.100.51 POST /signalr/connect clientProtocol=2.1&transport=longPolling&connectionData=[%7B%22Name%22:%22SRMessenger%22%7D]&connectionToken=DNVZxCsHpb%2FGw%2B3C%2FVYO2BOrvUF%2F%2BfS8e6ERmFzhKpAjB0%2FKcViTjlGDQerQ7958uLVdfnVjEFEGKyZx2oTpJpplXA8U%2BgqCo8ao0vLGTs2hNv1zD%2FqEzfaBbezXSMfp&token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.eTJyxnFOUENvLoBJoEaynAMqK3K9OFzPzfVfh9o4ptQ 80 - 192.168.98.209 SignalR.Client.NetStandard/2.4.1.0+(Microsoft+Windows+NT+6.2.9200.0) - 404 15 0 562

windows-serverwindows-server-iisdotnet-aspnet-general
· 3
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Hi @SlobodanKaterovi-6478 ,

Auto: Failed to connect to using transport serverSentEvents. Microsoft.AspNet.SignalR.Client.HttpClientException: StatusCode: 404, ReasonPhrase: 'Not Found', Version: 1.1,

It shows that 404 not found. So you need to check if the application sent the request to correct URL when it wanted to create the connection. Check the log and event viewer of server. If it has received the request, how did it route the request and where the problem happened?



0 Votes 0 ·

Server LOG is attached ... doesn't tell me a great deal now either :-/

0 Votes 0 ·

Hi @SlobodanKaterovi-6478 ,

What I mean is you can check IIS log if you use IIS as server. IIS log will record the request it received.

0 Votes 0 ·
SlobodanKaterovi-6478 avatar image
0 Votes"
SlobodanKaterovi-6478 answered

I have detected issue cause ...

it was the length of the request URI. Apparently there is a maximum value.

And if it is shortened then it works.


Thanks!

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LimitlessTechnology-2700 avatar image
0 Votes"
LimitlessTechnology-2700 answered

Hi

This problem may occur because an earlier software installation on the client computer has left the computer in a restart pending state, and restarting the computer does not clear the state.

Important To fix this problem, first, restart the computer.

If the restart does not fix the problem, and you want us to fix this problem manually by following the below steps.

  1. Click Start, click Run, type Regedit, and then click OK.

  2. Locate and then click to select the following registry subkey:

  3. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager

  4. After you select the subkey that is specified in step 2, right-click PendingFileRenameOperations, and then click Delete.

  5. Locate and then click to select the following registry subkey:

  6. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update

  7. After you select the key that is specified in step 4, right-click RebootRequired and then click Delete.

  8. On the File menu, click Exit to exit Registry Editor.

  9. Restart the computer.

Hope this answers all your queries, if not please do repost back.
If an Answer is helpful, please click "Accept Answer" and upvote it : )

Regards,

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