I certainly seeing the failure mode you suggest. The third lookup in this log has an empty artist. There are a variety of other responses after this including HIT, NO ARTWORK and FAILED PREVIOUSLY.
thumbnailer-service: [21:20:04.256] "album: Joan Baez/Queen of Hearts (512,512): 0.003812 sec (HIT)" thumbnailer-service: [21:20:04.523] "artist: "Punchy" Anderson/ (512,512): 7.352634 [q: 4.818276, d: 0.586561] sec (NO ARTWORK)" thumbnailer-service: [21:20:04.833] Critical: common_fetch(): Request failed: "Error downloading https://dash.ubuntu.com/musicproxy/v1/artist-art?artist=&album=Irish Whistle CD Edition&key=4e34a78d0ca246f81a7d0a892cc9fba8 - server replied: Bad Request" thumbnailer-service: [21:20:04.834] Warning: "Handler::createFinished(): unity::ResourceException: RequestBase::thumbnail(): key = \0Irish Whistle CD Edition\0artist: fetch() failed" thumbnailer-service: [21:20:04.837] "artist: /Irish Whistle CD Edition (512,512): 7.665484 [q: 5.403909, d: 0.268904] sec (ERROR)" thumbnailer-service: [21:20:04.988] "artist: "Punchy" Anderson/I Need the Green -12" (512,512): 7.817587 [q: 5.084229, d: 0.703537] sec (NO ARTWORK)" thumbnailer-service: [21:20:04.993] "album: Adrain Barker, Ben Stephenson/Undertones (512,512): 0.030632 sec (FAILED PREVIOUSLY)" thumbnailer-service: [21:20:05.003] "thumbnail: /media/phablet/3133-3039/Audio/Music/Blowzabella/Compilation/Death In A Fen _ Bruton Town _ Our Captain Cried.mp3 (512,512): 0.006540 sec (HIT)" thumbnailer-service: [21:20:05.010] "thumbnail: /media/phablet/3133-3039/Audio/Music/Blowzabella/Octomento/Tanteeka And Round The Corner.mp3 (512,512): 0.012198 sec (HIT)" thumbnailer-service: [21:20:05.015] "album: Chorchester Söhre-Kaufunger Wald/Un as der Rebbe tanzt (512,512): 0.009069 sec (FAILED PREVIOUSLY)" thumbnailer-service: [21:20:05.039] "album: Musik: Mische Spoliansky Text: Robert Gilbert/Schlager zum Erröten (512,512): 0.001048 sec (FAILED PREVIOUSLY)" thumbnailer-service: [21:20:05.071] "album: Ashley Hutchings and others/Grandson of Morris On (512,512): 0.001352 sec (FAILED PREVIOUSLY)" thumbnailer-service: [21:20:05.077] "album: Ashley Hutchings and others/Son of Morris On (512,512): 0.000895 sec (FAILED PREVIOUSLY)" thumbnailer-service: [21:20:05.087] "album: The Jockey Morris Men/Five More Men (512,512): 0.000811 sec (FAILED PREVIOUSLY)" -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1512608 Title: No thumbnails generated for OGG audio To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/music-app/+bug/1512608/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
