Playback Error Unable to find a valid media source to play #5877

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opened 2026-02-07 02:29:32 +03:00 by OVERLORD · 12 comments
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Originally created by @sharicov on GitHub (May 28, 2024).

Please describe your bug

Seing library, not able to play.
Getting Playback Error Unable to find a valid media source to play error.
Running jellyfin in docker (version 10,9.3)
Removed and re added library folder
Still not working (worked fine before)
Music folder binded from host machine.
HW: Arm tv box X96 plus with armbian bookworm.

Fixed by completely removing the container, including respective images and creating it from scratch.

Reproduction Steps

Update docker container and run

Jellyfin Version

10.9.0

if other:

10.9.3

Environment

- OS:armbian bookworm
- Linux Kernel:Linux 6.1.92-ophub
- Virtualization:Docker
- Clients:
- Browser:Chrome
- FFmpeg Version:
- Playback Method:
- Hardware Acceleration:
- GPU Model:
- Plugins:
- Reverse Proxy:
- Base URL:
- Networking:
- Storage:

Jellyfin logs

No error in logs

FFmpeg logs

No response

Please attach any browser or client logs here

No response

Please attach any screenshots here

No response

Code of Conduct

  • I agree to follow this project's Code of Conduct
Originally created by @sharicov on GitHub (May 28, 2024). ### Please describe your bug Seing library, not able to play. Getting Playback Error Unable to find a valid media source to play error. Running jellyfin in docker (version 10,9.3) Removed and re added library folder Still not working (worked fine before) Music folder binded from host machine. HW: Arm tv box X96 plus with armbian bookworm. Fixed by completely removing the container, including respective images and creating it from scratch. ### Reproduction Steps Update docker container and run ### Jellyfin Version 10.9.0 ### if other: 10.9.3 ### Environment ```markdown - OS:armbian bookworm - Linux Kernel:Linux 6.1.92-ophub - Virtualization:Docker - Clients: - Browser:Chrome - FFmpeg Version: - Playback Method: - Hardware Acceleration: - GPU Model: - Plugins: - Reverse Proxy: - Base URL: - Networking: - Storage: ``` ### Jellyfin logs ```shell No error in logs ``` ### FFmpeg logs _No response_ ### Please attach any browser or client logs here _No response_ ### Please attach any screenshots here _No response_ ### Code of Conduct - [X] I agree to follow this project's Code of Conduct
OVERLORD added the bug label 2026-02-07 02:29:32 +03:00
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Owner

@jellyfin-bot commented on GitHub (May 28, 2024):

Hi, it seems like your issue report has the following item(s) that need to be addressed:

  • You have not filled in the environment completely.

This is an automated message, currently under testing. Please file an issue here if you encounter any problems.

@jellyfin-bot commented on GitHub (May 28, 2024): Hi, it seems like your issue report has the following item(s) that need to be addressed: - You have not filled in the environment completely. This is an automated message, currently under testing. Please file an issue [here](https://github.com/jellyfin/jellyfin-triage-scripts/issues) if you encounter any problems.
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@gnattu commented on GitHub (May 28, 2024):

Your old container may have an invalid env var DOTNET_SYSTEM_GLOBALIZATION_INVARIANT set. You have to remove this during upgrade

@gnattu commented on GitHub (May 28, 2024): Your old container may have an invalid env var `DOTNET_SYSTEM_GLOBALIZATION_INVARIANT` set. You have to remove this during upgrade
Author
Owner

@sharicov commented on GitHub (May 28, 2024):

Thanks a lot for quick response, can be, pitty it's not appearing in upgrade notes.

@sharicov commented on GitHub (May 28, 2024): Thanks a lot for quick response, can be, pitty it's not appearing in upgrade notes.
Author
Owner

@gnattu commented on GitHub (May 28, 2024):

It is: https://jellyfin.org/posts/jellyfin-release-10.9.0

@gnattu commented on GitHub (May 28, 2024): It is: https://jellyfin.org/posts/jellyfin-release-10.9.0
Author
Owner

@sharicov commented on GitHub (May 28, 2024):

This is not the issue I experienced, I had see the library but couldn't play, after removing and re-adding library it appeard as an icon, but again, couldn't play.

@sharicov commented on GitHub (May 28, 2024): This is not the issue I experienced, I had see the library but couldn't play, after removing and re-adding library it appeard as an icon, but again, couldn't play.
Author
Owner

@gnattu commented on GitHub (May 28, 2024):

This is not the issue I experienced, I had see the library but couldn't play, after removing and re-adding library it appeard as an icon, but again, couldn't play.

It is another thing that will cause. Most of users won't even get home page loading, but some of them like you can get into the library but still cannot play.

@gnattu commented on GitHub (May 28, 2024): > This is not the issue I experienced, I had see the library but couldn't play, after removing and re-adding library it appeard as an icon, but again, couldn't play. It is another thing that will cause. Most of users won't even get home page loading, but some of them like you can get into the library but still cannot play.
Author
Owner

@JoseACT commented on GitHub (May 29, 2024):

I had this issue, can you disable all the metadata fetching stuff ? (it worked for me), now i'm gonna test it out 1 by 1 to see witch one is the one preventing the files from loading.

@JoseACT commented on GitHub (May 29, 2024): I had this issue, can you disable all the metadata fetching stuff ? (it worked for me), now i'm gonna test it out 1 by 1 to see witch one is the one preventing the files from loading.
Author
Owner

@DerLeole commented on GitHub (May 29, 2024):

I have the same error.

Funily enough it can be circumvented if you add the media in question to a playlist and play it via the playlist.

@DerLeole commented on GitHub (May 29, 2024): I have the same error. Funily enough it can be circumvented if you add the media in question to a playlist and play it via the playlist.
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@StorminMormin1 commented on GitHub (Jun 5, 2024):

@DerLeole I just encountered this issue with one show I've added and can confirm the same experience. I can't play the media due to the error above, but can play it via a Playlist... huh. The solution for me was re- "Identifying" the show to a different metadata pick.

@StorminMormin1 commented on GitHub (Jun 5, 2024): @DerLeole I just encountered this issue with one show I've added and can confirm the same experience. I can't play the media due to the error above, but can play it via a Playlist... huh. The solution for me was re- "Identifying" the show to a different metadata pick.
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@nice3e3 commented on GitHub (Jun 8, 2024):

I can confirm the same error without ever setting that environment variable, and re-identifying fixed the issue (used show ID for the search), and before doing that the playlist trick also worked, pretty weird and confusing

@nice3e3 commented on GitHub (Jun 8, 2024): I can confirm the same error without ever setting that environment variable, and re-identifying fixed the issue (used show ID for the search), and before doing that the playlist trick also worked, pretty weird and confusing
Author
Owner

@ddalben commented on GitHub (Jun 18, 2024):

Same issue here. I have found that refreshing all metedata for the affected show to fix the problem. But I'm not sure how many shows are impacted in my library nor if there is a way to bulk refresh all metadata for all impacted shows in one go.

@ddalben commented on GitHub (Jun 18, 2024): Same issue here. I have found that refreshing all metedata for the affected show to fix the problem. But I'm not sure how many shows are impacted in my library nor if there is a way to bulk refresh all metadata for all impacted shows in one go.
Author
Owner

@WzorOn commented on GitHub (Jul 30, 2024):

Some videos/serials get this error "Playback Error Unable to find a valid media source to play.".
However, if you add a video/serial to the playlist, it plays correctly. Updating metadata does not help.

@WzorOn commented on GitHub (Jul 30, 2024): Some videos/serials get this error "Playback Error Unable to find a valid media source to play.". However, if you add a video/serial to the playlist, it plays correctly. Updating metadata does not help.
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Reference: starred/jellyfin#5877