Jellyfin sync fails silently

Support
1

Issue description:

Syncing from Jellyfin starts to enumerate Artists and albums, but Tracks stays stuck at 0. Eventually scanning stops without anything added to library.

Logs:

Upload description: binarymelon

Additional information:

 

 

Reproduction steps:

 

  • sync Jellyfin media provider

 

Media provider:

Jellyfin

Screenshots:

     

2

Check Jellyfin or your proxy logs, but nothing answers

2025-06-23 13:34:51.302 Verbose JellyfinLogger  --> [261] GET https://XXXXX.com/Users/bc04f39571294c3aaa1eb918d4ca0101/Items?Recursive=true&IncludeItemTypes=Audio,AudioBook&ParentId=7e64e319657a9516ec78490da03edccb&ExcludeLocationTypes=Virtual&Fields=MediaSources,Genres,SortName,Path,RunTimeTicks,DateCreated,ProductionYear,CommunityRating,UserDataPlayCount,UserDataLastPlayedDate,Tags&startIndex=0&limit=2000&UserId=bc04f39571294c3aaa1eb918d4ca0101
2025-06-23 13:34:51.307 Verbose JellyfinLogger  --> [261] END GET
2025-06-23 13:36:21.670 Verbose JellyfinLogger  <-- [261] 504 https://XXXXX.com/Users/bc04f39571294c3aaa1eb918d4ca0101/Items?Recursive=true&IncludeItemTypes=Audio,AudioBook&ParentId=7e64e319657a9516ec78490da03edccb&ExcludeLocationTypes=Virtual&Fields=MediaSources,Genres,SortName,Path,RunTimeTicks,DateCreated,ProductionYear,CommunityRating,UserDataPlayCount,UserDataLastPlayedDate,Tags&startIndex=0&limit=2000&UserId=bc04f39571294c3aaa1eb918d4ca0101 (90367ms, 164-byte body)
2025-06-23 13:36:21.675 Verbose JellyfinLogger  <-- [261] <html>
<head><title>504 Gateway Time-out</title></head>
<body>
<center><h1>504 Gateway Time-out</h1></center>
<hr><center>openresty</center>
</body>
</html>

2025-06-23 13:36:21.676 Verbose JellyfinLogger  <-- [261] END HTTP (90368ms, 164-byte body)
2025-06-23 13:36:21.677 Error JellyfinLogger  Request Error (1/3): 504 [<html>
<head><title>504 Gateway Time-out</title></head>
<body>
<center><h1>504 Gateway Time-out</h1></center>
<hr><center>openresty</center>
</body>
</html>
]
2025-06-23 13:36:51.678 Verbose JellyfinLogger  --> [602] GET https://XXXXX.com/Users/bc04f39571294c3aaa1eb918d4ca0101/Items?Recursive=true&IncludeItemTypes=Audio,AudioBook&ParentId=7e64e319657a9516ec78490da03edccb&ExcludeLocationTypes=Virtual&Fields=MediaSources,Genres,SortName,Path,RunTimeTicks,DateCreated,ProductionYear,CommunityRating,UserDataPlayCount,UserDataLastPlayedDate,Tags&startIndex=0&limit=2000&UserId=bc04f39571294c3aaa1eb918d4ca0101
2025-06-23 13:36:51.683 Verbose JellyfinLogger  --> [602] END GET
2025-06-23 13:38:22.341 Verbose JellyfinLogger  <-- [602] 504 https://XXXXX.com/Users/bc04f39571294c3aaa1eb918d4ca0101/Items?Recursive=true&IncludeItemTypes=Audio,AudioBook&ParentId=7e64e319657a9516ec78490da03edccb&ExcludeLocationTypes=Virtual&Fields=MediaSources,Genres,SortName,Path,RunTimeTicks,DateCreated,ProductionYear,CommunityRating,UserDataPlayCount,UserDataLastPlayedDate,Tags&startIndex=0&limit=2000&UserId=bc04f39571294c3aaa1eb918d4ca0101 (90662ms, 164-byte body)
2025-06-23 13:38:22.347 Verbose JellyfinLogger  <-- [602] <html>
<head><title>504 Gateway Time-out</title></head>
<body>
<center><h1>504 Gateway Time-out</h1></center>
<hr><center>openresty</center>
</body>
</html>

2025-06-23 13:38:22.348 Verbose JellyfinLogger  <-- [602] END HTTP (90663ms, 164-byte body)
2025-06-23 13:38:22.350 Error JellyfinLogger  Request Error (2/3): 504 [<html>
<head><title>504 Gateway Time-out</title></head>
<body>
<center><h1>504 Gateway Time-out</h1></center>
<hr><center>openresty</center>
</body>
</html>
]
2025-06-23 13:39:07.348 Verbose JellyfinLogger  --> [242] GET https://XXXXX.com/Users/bc04f39571294c3aaa1eb918d4ca0101/Items?Recursive=true&IncludeItemTypes=Audio,AudioBook&ParentId=7e64e319657a9516ec78490da03edccb&ExcludeLocationTypes=Virtual&Fields=MediaSources,Genres,SortName,Path,RunTimeTicks,DateCreated,ProductionYear,CommunityRating,UserDataPlayCount,UserDataLastPlayedDate,Tags&startIndex=0&limit=2000&UserId=bc04f39571294c3aaa1eb918d4ca0101
2025-06-23 13:39:07.350 Verbose JellyfinLogger  --> [242] END GET
2025-06-23 13:40:37.568 Verbose JellyfinLogger  <-- [242] 504 https://XXXXX.com/Users/bc04f39571294c3aaa1eb918d4ca0101/Items?Recursive=true&IncludeItemTypes=Audio,AudioBook&ParentId=7e64e319657a9516ec78490da03edccb&ExcludeLocationTypes=Virtual&Fields=MediaSources,Genres,SortName,Path,RunTimeTicks,DateCreated,ProductionYear,CommunityRating,UserDataPlayCount,UserDataLastPlayedDate,Tags&startIndex=0&limit=2000&UserId=bc04f39571294c3aaa1eb918d4ca0101 (90221ms, 164-byte body)
2025-06-23 13:40:37.571 Verbose JellyfinLogger  <-- [242] <html>
<head><title>504 Gateway Time-out</title></head>
<body>
<center><h1>504 Gateway Time-out</h1></center>
<hr><center>openresty</center>
</body>
</html>

2025-06-23 13:40:37.572 Verbose JellyfinLogger  <-- [242] END HTTP (90222ms, 164-byte body)
2025-06-23 13:40:37.573 Error JellyfinLogger  Request Error (3/3): 504 [<html>
<head><title>504 Gateway Time-out</title></head>
<body>
<center><h1>504 Gateway Time-out</h1></center>
<hr><center>openresty</center>
</body>
</html>
]

```
3

Where are the servers located?

4

You should know it’s your server that you are trying to connect to …

5

That’s odd if it’s direct, nothing else has any trouble connecting. Also odd I’m not seeing logs on the Jellyfin side.

6

You connect to your domain name from the error there’s an openresty in front of Jellyfin and that one timeout at 2m30.

Check it’s logs.

7

I increased my nginx proxy timeout to 10 minutes and it looks like it resolved it. Thanks for your help.

Are the debug logs saved locally so I can inspect them prior to reaching out for help?

8

Yes you can read them and send them to your mail it’s all in the docs.

But it’s not normal Jellyfin is so slow to answer, a normal server would sync 80 000 songs in those 2.5 minutes

9

Yeah, I just moved from Plex to Jellyfin and I’ve been running into some issues with performance. My music library has been particularly slow and I’m trying to identify the cause.