Unable to retrieve queue and history items from NZBget, again

*Sonarr version : 2.0.0.5228
Mono version (if Sonarr is not running on Windows) : 5.14.0.177
OS : Ubuntu (Openflixr)

Im getting this error every once and awhile… : Unable to retrieve queue and history items from NZBget: Unable to connect to NzbGet. The request was aborted: The request was canceled.: ‘http://localhost:6789/jsonrpc

Exception:
NzbDrone.Core.Download.Clients.DownloadClientUnavailableException: Unable to connect to NzbGet. The request was aborted: The request was canceled.: 'http://localhost:6789/jsonrpc' ---> System.Net.WebException: The request was aborted: The request was canceled.: 'http://localhost:6789/jsonrpc' ---> System.Net.WebException: The request was aborted: The request was canceled.
  at System.Net.WebConnectionStream.Write (System.Byte[] buffer, System.Int32 offset, System.Int32 count) [0x00070] in <b3d41b23de534128a4f18a6e1312f79c>:0 
  at NzbDrone.Common.Http.Dispatchers.ManagedHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x000d2] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\Dispatchers\ManagedHttpDispatcher.cs:59 
   --- End of inner exception stack trace ---
  at NzbDrone.Common.Http.Dispatchers.ManagedHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x0019e] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\Dispatchers\ManagedHttpDispatcher.cs:91 
  at NzbDrone.Common.Http.Dispatchers.FallbackHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x000b5] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\Dispatchers\FallbackHttpDispatcher.cs:53 
  at NzbDrone.Common.Http.HttpClient.ExecuteRequest (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookieContainer) [0x0007e] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\HttpClient.cs:121 
  at NzbDrone.Common.Http.HttpClient.Execute (NzbDrone.Common.Http.HttpRequest request) [0x00008] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\HttpClient.cs:57 
  at NzbDrone.Core.Download.Clients.Nzbget.NzbgetProxy.ProcessRequest[T] (NzbDrone.Core.Download.Clients.Nzbget.NzbgetSettings settings, System.String method, System.Object[] parameters) [0x00047] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Download\Clients\Nzbget\NzbgetProxy.cs:232 
   --- End of inner exception stack trace ---
  at NzbDrone.Core.Download.Clients.Nzbget.NzbgetProxy.ProcessRequest[T] (NzbDrone.Core.Download.Clients.Nzbget.NzbgetSettings settings, System.String method, System.Object[] parameters) [0x0008e] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Download\Clients\Nzbget\NzbgetProxy.cs:245 
  at NzbDrone.Core.Download.Clients.Nzbget.NzbgetProxy.GetGlobalStatus (NzbDrone.Core.Download.Clients.Nzbget.NzbgetSettings settings) [0x00000] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Download\Clients\Nzbget\NzbgetProxy.cs:125 
  at NzbDrone.Core.Download.Clients.Nzbget.Nzbget.GetQueue () [0x00000] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Download\Clients\Nzbget\Nzbget.cs:56 
  at NzbDrone.Core.Download.Clients.Nzbget.Nzbget.GetItems () [0x00000] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Download\Clients\Nzbget\Nzbget.cs:185 
  at NzbDrone.Core.Download.TrackedDownloads.DownloadMonitoringService.ProcessClientDownloads (NzbDrone.Core.Download.IDownloadClient downloadClient) [0x0000c] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Download\TrackedDownloads\DownloadMonitoringService.cs:89 

Strange… I don’t have a C drive on my Ubuntu setup …

From what I find in this forum it has something to do with mono ? I’m running 5.14. Is this error causing any hick ups that can lead to malfunctioning of Sonar and the download handling. Can I ignore the error ?

No, but our build server does. That’s from when it was compiled, not run.

Yes, it’s something with mono in recent versions and transmission/nzbget. It will prevent Sonarr from getting downloads from nzbget, but if it’s inconsistent (which has been my experience), it’s only a hiccup, not a problem.

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