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Connection to backend lost

Sonarr is a PVR for Usenet and BitTorrent users. It can monitor multiple RSS feeds for new episodes of your favorite shows and will grab, sort and rename them. It can also be configured to automatically upgrade the quality of files already downloaded when a better quality format becomes available.

Connection to backend lost

Postby Duzii » Sat Nov 26, 2016 7:07 pm

Hi

I have never had any issues with Sonarr until now.

I can start Sonarr but when the RSS sync and library update starts Sonarr hangs and the "connection to backend lost" message appears. I think it has to do with the new Mono version I updated to in the app central?

The last entry in the Debug log below:

Code: Select all
16-11-26 11:14:55.4|Debug|GlobalExceptionHandlers|Minor Fail: The type initializer for 'System.Drawing.GDIPlus' threw an exception.

[v2.0.0.4326] System.TypeInitializationException: The type initializer for 'System.Drawing.GDIPlus' threw an exception. ---> System.DllNotFoundException: libgdiplus.so.0
  at (wrapper managed-to-native) System.Drawing.GDIPlus:GdiplusStartup (ulong&,System.Drawing.GdiplusStartupInput&,System.Drawing.GdiplusStartupOutput&)
  at System.Drawing.GDIPlus..cctor () [0x000cc] in <360d2c78ba5a464c84ab987e916718c3>:0
   --- End of inner exception stack trace ---
  at (wrapper managed-to-native) System.Object:__icall_wrapper_mono_generic_class_init (intptr)
  at System.Drawing.Image.Dispose (System.Boolean disposing) [0x00000] in <360d2c78ba5a464c84ab987e916718c3>:0
  at System.Drawing.Image.Finalize () [0x00000] in <360d2c78ba5a464c84ab987e916718c3>:0


After I close down Sonarr and start it again the GUI is not loading. I can restart Sonarr using Putty and below command but it still hangs again when the RSS sync and library update starts

Code: Select all
rm /usr/local/AppCentral/sonarr/config/nzbdrone.pid
/usr/local/AppCentral/sonarr/CONTROL/start-stop.sh restart


I found others with similar issues and their solution was to downgrade Mono. How do I do that?

https://forums.sonarr.tv/t/sonarr-2-0-0 ... ries/12325
https://forums.sonarr.tv/t/sonarr-rando ... 6-04/12388

AS-302T
Mono 4.6.1.r1
Duzii
 
Posts: 17
Joined: Wed Feb 05, 2014 4:54 am

Re: Connection to backend lost

Postby Duzii » Sat Nov 26, 2016 8:05 pm

I managed to update Sonarr to the newest version before it hanged and now it seems to be working fine again.
Duzii
 
Posts: 17
Joined: Wed Feb 05, 2014 4:54 am

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