DogNZB timing out, but works fine on radarr (other indexers fine)

Sonarr version (exact version): 2.0.0.5344
Mono version (if Sonarr is not running on Windows): 6.4.0
OS: Linux (arch) 5.6.15-arch1-1
Debug logs: https://pastebin.com/bt6FUqpX
Description of issue:

DOGnzb was working perfectly for years, however it suddenly started timing-out. It consistently times-out. I have restarted sonarr, re-generated API keys, deleted the indexer and attempted to re-add it, to no avail. At this time, radarr, on the same machine was no issues connecting to the indexer. Wget works as well. I have another indexer configured in sonarr that runs with no issues as well. At this point, I’m unable to even re-add the DOGnzb indexer because it times out every single time, no matter the time of day or week. Below are a few lines from the logs of the relevant connection-attempt, as well as the logs from radarr around the same time showing no issue there. I have also provided trace logs in the pastebin link up top.

Note: I’ve read all over the place that dognzb is having issues with their tracker, however, this has been consistently broken for weeks now while radarr hasn’t reported any issues. Any time I attempt to connect to the API url using wget, I get a response as well. So I’m concerned that this may be something different.

Thanks for any help.

Sonarr failure while attempting to add/test dognzb indexer.

20-6-9 11:09:50.1|Trace|Http|Req: 454 [POST] /api/indexer/test
20-6-9 11:09:50.1|Trace|HttpClient|Req: [GET] https://api.dognzb.cr/api?t=caps&apikey=(removed)
20-6-9 11:09:50.1|Trace|ConfigService|Using default config value for 'proxyenabled' defaultValue:'False'
20-6-9 11:09:55.6|Trace|Scheduler|Pending Tasks: 0
20-6-9 11:10:22.5|Debug|NewznabCapabilitiesProvider|Failed to get newznab api capabilities from https://api.dognzb.cr

[v2.0.0.5344] System.Net.WebException: The operation has timed out.: 'https://api.dognzb.cr/api?t=caps&apikey=(removed) ---> System.Net.WebException: The operation has timed out.
  at System.Net.HttpWebRequest.RunWithTimeoutWorker[T] (System.Threading.Tasks.Task`1[TResult] workerTask, System.Int32 timeout, System.Action abort, System.Func`1[TResult] aborted, System.Threading.CancellationTokenSource cts) [0x000f8] in <9bd67acb7e9448b0ae17ea9ad68db84f>:0 
  at System.Net.HttpWebRequest.GetResponse () [0x00016] in <9bd67acb7e9448b0ae17ea9ad68db84f>:0 
  at NzbDrone.Common.Http.Dispatchers.ManagedHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x0011b] in <faeb8209b6ff4c15aabf93dc8df43c9f>:0 
   --- End of inner exception stack trace ---
  at NzbDrone.Common.Http.Dispatchers.ManagedHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x001f6] in <faeb8209b6ff4c15aabf93dc8df43c9f>:0 
  at NzbDrone.Common.Http.Dispatchers.FallbackHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x0003c] in <faeb8209b6ff4c15aabf93dc8df43c9f>:0 
  at NzbDrone.Common.Http.HttpClient.ExecuteRequest (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookieContainer) [0x0007e] in <faeb8209b6ff4c15aabf93dc8df43c9f>:0 
  at NzbDrone.Common.Http.HttpClient.Execute (NzbDrone.Common.Http.HttpRequest request) [0x00008] in <faeb8209b6ff4c15aabf93dc8df43c9f>:0 
  at NzbDrone.Common.Http.HttpClient.Get (NzbDrone.Common.Http.HttpRequest request) [0x00007] in <faeb8209b6ff4c15aabf93dc8df43c9f>:0 
  at NzbDrone.Core.Indexers.Newznab.NewznabCapabilitiesProvider.FetchCapabilities (NzbDrone.Core.Indexers.Newznab.NewznabSettings indexerSettings) [0x00068] in <4d3cc4e5f7ed4ed2814d83bdaf94809e>:0 

20-6-9 11:10:22.5|Warn|Newznab|Unable to connect to indexer

[v2.0.0.5344] System.Net.WebException: The operation has timed out.: 'https://api.dognzb.cr/api?t=caps&apikey=(removed) ---> System.Net.WebException: The operation has timed out.
  at System.Net.HttpWebRequest.RunWithTimeoutWorker[T] (System.Threading.Tasks.Task`1[TResult] workerTask, System.Int32 timeout, System.Action abort, System.Func`1[TResult] aborted, System.Threading.CancellationTokenSource cts) [0x000f8] in <9bd67acb7e9448b0ae17ea9ad68db84f>:0 
  at System.Net.HttpWebRequest.GetResponse () [0x00016] in <9bd67acb7e9448b0ae17ea9ad68db84f>:0 
  at NzbDrone.Common.Http.Dispatchers.ManagedHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x0011b] in <faeb8209b6ff4c15aabf93dc8df43c9f>:0 
   --- End of inner exception stack trace ---
  at NzbDrone.Common.Http.Dispatchers.ManagedHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x001f6] in <faeb8209b6ff4c15aabf93dc8df43c9f>:0 
  at NzbDrone.Common.Http.Dispatchers.FallbackHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x0003c] in <faeb8209b6ff4c15aabf93dc8df43c9f>:0 
  at NzbDrone.Common.Http.HttpClient.ExecuteRequest (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookieContainer) [0x0007e] in <faeb8209b6ff4c15aabf93dc8df43c9f>:0 
  at NzbDrone.Common.Http.HttpClient.Execute (NzbDrone.Common.Http.HttpRequest request) [0x00008] in <faeb8209b6ff4c15aabf93dc8df43c9f>:0 
  at NzbDrone.Common.Http.HttpClient.Get (NzbDrone.Common.Http.HttpRequest request) [0x00007] in <faeb8209b6ff4c15aabf93dc8df43c9f>:0 
  at NzbDrone.Core.Indexers.Newznab.NewznabCapabilitiesProvider.FetchCapabilities (NzbDrone.Core.Indexers.Newznab.NewznabSettings indexerSettings) [0x0009a] in <4d3cc4e5f7ed4ed2814d83bdaf94809e>:0 
  at NzbDrone.Core.Indexers.Newznab.NewznabCapabilitiesProvider+<>c__DisplayClass4_0.<GetCapabilities>b__0 () [0x00000] in <4d3cc4e5f7ed4ed2814d83bdaf94809e>:0 
  at NzbDrone.Common.Cache.Cached`1[T].Get (System.String key, System.Func`1[TResult] function, System.Nullable`1[T] lifeTime) [0x0006a] in <faeb8209b6ff4c15aabf93dc8df43c9f>:0 
  at NzbDrone.Core.Indexers.Newznab.NewznabCapabilitiesProvider.GetCapabilities (NzbDrone.Core.Indexers.Newznab.NewznabSettings indexerSettings) [0x00046] in <4d3cc4e5f7ed4ed2814d83bdaf94809e>:0 
  at NzbDrone.Core.Indexers.Newznab.Newznab.get_PageSize () [0x0000c] in <4d3cc4e5f7ed4ed2814d83bdaf94809e>:0 
  at NzbDrone.Core.Indexers.Newznab.Newznab.GetRequestGenerator () [0x0000b] in <4d3cc4e5f7ed4ed2814d83bdaf94809e>:0 
  at NzbDrone.Core.Indexers.HttpIndexerBase`1[TSettings].TestConnection () [0x00007] in <4d3cc4e5f7ed4ed2814d83bdaf94809e>:0 

20-6-9 11:10:22.5|Trace|NzbDroneErrorPipeline|Handling Exception
20-6-9 11:10:22.5|Warn|NzbDroneErrorPipeline|Invalid request Validation failed: 
 -- Unable to connect to indexer, check the log for more details
20-6-9 11:10:22.5|Trace|Http|Res: 399 [POST] /api/indexer/test: 400.BadRequest (100137 ms)
20-6-9 11:10:22.5|Debug|Api|[POST] /api/indexer/test: 400.BadRequest (100137 ms)

Logs from radarr showing connection to dognzb succeeding.

2020-6-9 11:05:45.1|Trace|Http|Req: 261 [POST] /api/indexer/test
2020-6-9 11:05:45.1|Debug|Newznab|Downloading Feed https://api.dognzb.cr/api?t=movie&cat=2000,2010,2020,2030,2040,2045,2050,2060&extended=1&apikey=(removed)&offset=0&limit=100
2020-6-9 11:05:45.1|Trace|HttpClient|Req: [GET] https://api.dognzb.cr/api?t=movie&cat=2000,2010,2020,2030,2040,2045,2050,2060&extended=1&apikey=(removed)&offset=0&limit=100
2020-6-9 11:05:45.1|Trace|ConfigService|Using default config value for 'proxyenabled' defaultValue:'False'
2020-6-9 11:05:50.1|Trace|HttpClient|Res: [GET] https://api.dognzb.cr/api?t=movie&cat=2000,2010,2020,2030,2040,2045,2050,2060&extended=1&apikey=(removed)&offset=0&limit=100: 200.OK (4981 ms)

Having the same issue:

[v2.0.0.5344] System.Net.WebException: The request timed out: 'https://api.dognzb.cr/api?t=caps&apikey=(removed) ---> System.Net.WebException: The request timed out
  at System.Net.HttpWebRequest.EndGetResponse (System.IAsyncResult asyncResult) [0x00052] in <bd46d4d4f7964dfa9beea098499ab597>:0 
  at System.Net.HttpWebRequest.GetResponse () [0x0000e] in <bd46d4d4f7964dfa9beea098499ab597>:0 
  at NzbDrone.Common.Http.Dispatchers.ManagedHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x0011b] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\Dispatchers\ManagedHttpDispatcher.cs:82 
   --- End of inner exception stack trace ---
  at NzbDrone.Common.Http.Dispatchers.ManagedHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x001ca] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\Dispatchers\ManagedHttpDispatcher.cs:113 
  at NzbDrone.Common.Http.Dispatchers.FallbackHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x0003c] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\Dispatchers\FallbackHttpDispatcher.cs:35 
  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.Common.Http.HttpClient.Get (NzbDrone.Common.Http.HttpRequest request) [0x00007] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\HttpClient.cs:264 
  at NzbDrone.Core.Indexers.Newznab.NewznabCapabilitiesProvider.FetchCapabilities (NzbDrone.Core.Indexers.Newznab.NewznabSettings indexerSettings) [0x00068] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Indexers\Newznab\NewznabCapabilitiesProvider.cs:57 

20-6-9 14:54:07.4|Trace|NzbDroneErrorPipeline|Handling Exception
20-6-9 14:54:07.4|Warn|NzbDroneErrorPipeline|Invalid request Validation failed: 
 -- Unable to connect to indexer, check the log for more details
20-6-9 14:54:07.4|Trace|Http|Res: 101 [POST] /api/indexer/test: 400.BadRequest (100102 ms)
20-6-9 14:54:07.4|Debug|Api|[POST] /api/indexer/test: 400.BadRequest (100102 ms)

Hmm im not having an issue with DOGnzb but NZB.su

System.Net.WebException: Error: ConnectFailure (Connection timed out): 'https://api.nzb.su/getnzb/9ae74750f993a3daf97bdf40df2e4731.nzb&i=144081&r=6c2c1e4021bc8af0086d78ccadfc7eea' ---> System.Net.WebException: Error: ConnectFailure (Connection timed out) ---> System.Net.Sockets.SocketException: Connection timed out
  at System.Net.Sockets.SocketAsyncResult.CheckIfThrowDelayedException () [0x0003b] in /build/mono/src/mono/mcs/class/System/System.Net.Sockets/SocketAsyncResult.cs:134 
  at System.Net.Sockets.Socket.EndConnect (System.IAsyncResult asyncResult) [0x0002c] in /build/mono/src/mono/mcs/class/System/System.Net.Sockets/Socket.cs:1222 
  at System.Net.Sockets.SocketTaskExtensions+<>c.<ConnectAsync>b__2_1 (System.IAsyncResult asyncResult) [0x00000] in /build/mono/src/mono/mcs/class/System/System.Net.Sockets/SocketTaskExtensions.cs:36 
  at System.Threading.Tasks.TaskFactory`1[TResult].FromAsyncCoreLogic (System.IAsyncResult iar, System.Func`2[T,TResult] endFunction, System.Action`1[T] endAction, System.Threading.Tasks.Task`1[TResult] promise, System.Boolean requiresSynchronization) [0x00019] in /build/mono/src/mono/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/FutureFactory.cs:538 
--- End of stack trace from previous location where exception was thrown ---

  at System.Net.WebConnection.Connect (System.Net.WebOperation operation, System.Threading.CancellationToken cancellationToken) [0x00151] in /build/mono/src/mono/mcs/class/System/System.Net/WebConnection.cs:169 
   --- End of inner exception stack trace ---
  at System.Net.WebConnection.Connect (System.Net.WebOperation operation, System.Threading.CancellationToken cancellationToken) [0x00217] in /build/mono/src/mono/mcs/class/System/System.Net/WebConnection.cs:188 
  at System.Net.WebConnection.InitConnection (System.Net.WebOperation operation, System.Threading.CancellationToken cancellationToken) [0x000cc] in /build/mono/src/mono/mcs/class/System/System.Net/WebConnection.cs:259 
  at System.Net.WebOperation.Run () [0x00052] in /build/mono/src/mono/mcs/class/System/System.Net/WebOperation.cs:268 
  at System.Net.WebCompletionSource`1[T].WaitForCompletion () [0x0008e] in /build/mono/src/mono/mcs/class/System/System.Net/WebCompletionSource.cs:111 
  at System.Net.HttpWebRequest.RunWithTimeoutWorker[T] (System.Threading.Tasks.Task`1[TResult] workerTask, System.Int32 timeout, System.Action abort, System.Func`1[TResult] aborted, System.Threading.CancellationTokenSource cts) [0x000e8] in /build/mono/src/mono/mcs/class/System/System.Net/HttpWebRequest.cs:956 
  at System.Net.HttpWebRequest.GetResponse () [0x0000f] in /build/mono/src/mono/mcs/class/System/System.Net/HttpWebRequest.cs:1218 
  at NzbDrone.Common.Http.Dispatchers.ManagedHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x0011b] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\Dispatchers\ManagedHttpDispatcher.cs:82 
   --- End of inner exception stack trace ---
  at NzbDrone.Common.Http.Dispatchers.ManagedHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x001ca] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\Dispatchers\ManagedHttpDispatcher.cs:113 
  at NzbDrone.Common.Http.Dispatchers.FallbackHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x0003c] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\Dispatchers\FallbackHttpDispatcher.cs:35 
  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) [0x000b2] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\HttpClient.cs:76 
  at NzbDrone.Common.Http.HttpClient.Get (NzbDrone.Common.Http.HttpRequest request) [0x00007] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\HttpClient.cs:264 
  at NzbDrone.Core.Download.UsenetClientBase`1[TSettings].Download (NzbDrone.Core.Parser.Model.RemoteEpisode remoteEpisode) [0x00028] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Download\UsenetClientBase.cs:46 

https://api.dognzb.cr/api/indexer/test is generating an internal server error so there may be an issue with the site or its not a valid test url.

could you try this one https://api.dognzb.cr/api?t=caps&apikey=api_key_goes_here but add your api key back in and see what you get back - and how long it takes to come back?

Same error. API key has been regenerated but still getting same error.

System.Net.WebException: The request timed out: 'https://api.dognzb.cr/api?t=caps&apikey=my_old_api_key' ---> System.Net.WebException: The request timed out
  at System.Net.HttpWebRequest.EndGetResponse (IAsyncResult asyncResult) [0x00065] in /private/tmp/source-mono-mac-4.2.0-branch-64/bockbuild-mono-4.2.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.2.1-x86/mcs/class/System/System.Net/HttpWebRequest.cs:946 
  at System.Net.HttpWebRequest.GetResponse () [0x0000e] in /private/tmp/source-mono-mac-4.2.0-branch-64/bockbuild-mono-4.2.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.2.1-x86/mcs/class/System/System.Net/HttpWebRequest.cs:958 
  at NzbDrone.Common.Http.Dispatchers.ManagedHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x0011b] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\Dispatchers\ManagedHttpDispatcher.cs:82 
  --- End of inner exception stack trace ---
  at NzbDrone.Common.Http.Dispatchers.ManagedHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x001ca] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\Dispatchers\ManagedHttpDispatcher.cs:113 
  at NzbDrone.Common.Http.Dispatchers.FallbackHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x0003c] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\Dispatchers\FallbackHttpDispatcher.cs:35 
  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.Common.Http.HttpClient.Get (NzbDrone.Common.Http.HttpRequest request) [0x00007] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\HttpClient.cs:264 
  at NzbDrone.Core.Indexers.Newznab.NewznabCapabilitiesProvider.FetchCapabilities (NzbDrone.Core.Indexers.Newznab.NewznabSettings indexerSettings) [0x00068] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Indexers\Newznab\NewznabCapabilitiesProvider.cs:57 

Got things working again. Downloaded and manually updated the latest versions of Mono and Sonarr. Restarted the machine (Mac Mini) and all problems were solved.

Okay, weird. So after jmacnyc’s message, I decided to try the same. I’m now running mono v6.13.0 and sonarr v2.0.0.5344.

I re-added dognzb (I couldn’t re-add it before because the test always failed) without any problem. The test passed immediately.

I guess we can write this off as some sort of problem with the mono runtime in older versions? I was running v6.4.0 and I see that current stable is v6.8.0.

Since upgrading resolved the issue for both of us, I suppose the only thing to suggest to others with the same problem is to upgrade.

I upgraded Mono, restarted Sonarr, and ran a test, Dog worked perfectly fine afterwards.

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