signalr not working with https Error during WebSocket handshake: Unexpected response code: 200





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I have backend that I use signalr for websockets. When client and backend were on http, everything worked.



Then I switched to https. Now I see this errors in browser:



WebSocket connection to 'wss://example.com/chatHub?id=mKk-uj0P0_7WsLFXjXhskA' failed: Error during WebSocket handshake: Unexpected response code: 200

POST https://example.com/chatHub?id=HSwLlWtJGpBP0Dib6sHobQ 404 (Not Found)


The weirdes thing is, that even I see this errors, on Edge chat is working (on chrome and firefox not).



What is going on here and how can I fix that?
client is angular 6 (@aspnet/signalr for hub connection)
backend is dotnet



Edit: I forgot to mention, I have backend and client proxied with nginx.










share|improve this question























  • I had this issue because of the bad reconnect logic I had. You might wanna share your reconnect logic

    – maxisam
    Feb 13 at 0:04











  • There was no reconnect logic. I sometimes experience random disconnects, seems like it is not stable for me.

    – Piotr M
    Feb 13 at 1:08


















0















I have backend that I use signalr for websockets. When client and backend were on http, everything worked.



Then I switched to https. Now I see this errors in browser:



WebSocket connection to 'wss://example.com/chatHub?id=mKk-uj0P0_7WsLFXjXhskA' failed: Error during WebSocket handshake: Unexpected response code: 200

POST https://example.com/chatHub?id=HSwLlWtJGpBP0Dib6sHobQ 404 (Not Found)


The weirdes thing is, that even I see this errors, on Edge chat is working (on chrome and firefox not).



What is going on here and how can I fix that?
client is angular 6 (@aspnet/signalr for hub connection)
backend is dotnet



Edit: I forgot to mention, I have backend and client proxied with nginx.










share|improve this question























  • I had this issue because of the bad reconnect logic I had. You might wanna share your reconnect logic

    – maxisam
    Feb 13 at 0:04











  • There was no reconnect logic. I sometimes experience random disconnects, seems like it is not stable for me.

    – Piotr M
    Feb 13 at 1:08














0












0








0








I have backend that I use signalr for websockets. When client and backend were on http, everything worked.



Then I switched to https. Now I see this errors in browser:



WebSocket connection to 'wss://example.com/chatHub?id=mKk-uj0P0_7WsLFXjXhskA' failed: Error during WebSocket handshake: Unexpected response code: 200

POST https://example.com/chatHub?id=HSwLlWtJGpBP0Dib6sHobQ 404 (Not Found)


The weirdes thing is, that even I see this errors, on Edge chat is working (on chrome and firefox not).



What is going on here and how can I fix that?
client is angular 6 (@aspnet/signalr for hub connection)
backend is dotnet



Edit: I forgot to mention, I have backend and client proxied with nginx.










share|improve this question














I have backend that I use signalr for websockets. When client and backend were on http, everything worked.



Then I switched to https. Now I see this errors in browser:



WebSocket connection to 'wss://example.com/chatHub?id=mKk-uj0P0_7WsLFXjXhskA' failed: Error during WebSocket handshake: Unexpected response code: 200

POST https://example.com/chatHub?id=HSwLlWtJGpBP0Dib6sHobQ 404 (Not Found)


The weirdes thing is, that even I see this errors, on Edge chat is working (on chrome and firefox not).



What is going on here and how can I fix that?
client is angular 6 (@aspnet/signalr for hub connection)
backend is dotnet



Edit: I forgot to mention, I have backend and client proxied with nginx.







websocket signalr angular6 signalr-hub






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 24 '18 at 23:23









Piotr MPiotr M

1503419




1503419













  • I had this issue because of the bad reconnect logic I had. You might wanna share your reconnect logic

    – maxisam
    Feb 13 at 0:04











  • There was no reconnect logic. I sometimes experience random disconnects, seems like it is not stable for me.

    – Piotr M
    Feb 13 at 1:08



















  • I had this issue because of the bad reconnect logic I had. You might wanna share your reconnect logic

    – maxisam
    Feb 13 at 0:04











  • There was no reconnect logic. I sometimes experience random disconnects, seems like it is not stable for me.

    – Piotr M
    Feb 13 at 1:08

















I had this issue because of the bad reconnect logic I had. You might wanna share your reconnect logic

– maxisam
Feb 13 at 0:04





I had this issue because of the bad reconnect logic I had. You might wanna share your reconnect logic

– maxisam
Feb 13 at 0:04













There was no reconnect logic. I sometimes experience random disconnects, seems like it is not stable for me.

– Piotr M
Feb 13 at 1:08





There was no reconnect logic. I sometimes experience random disconnects, seems like it is not stable for me.

– Piotr M
Feb 13 at 1:08












1 Answer
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Turns out it was issue with nginx.



proxy_set_header  Upgrade $http_upgrade;
proxy_set_header Connection "Upgrade";


on server nginx.conf fixed issue






share|improve this answer
























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    1 Answer
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    active

    oldest

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    active

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    Turns out it was issue with nginx.



    proxy_set_header  Upgrade $http_upgrade;
    proxy_set_header Connection "Upgrade";


    on server nginx.conf fixed issue






    share|improve this answer




























      0














      Turns out it was issue with nginx.



      proxy_set_header  Upgrade $http_upgrade;
      proxy_set_header Connection "Upgrade";


      on server nginx.conf fixed issue






      share|improve this answer


























        0












        0








        0







        Turns out it was issue with nginx.



        proxy_set_header  Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";


        on server nginx.conf fixed issue






        share|improve this answer













        Turns out it was issue with nginx.



        proxy_set_header  Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";


        on server nginx.conf fixed issue







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 24 '18 at 23:51









        Piotr MPiotr M

        1503419




        1503419
































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