Getting Could not find segment for track_id=2, segment_number=844

[sourabhmodi20051]

Describe the bug
In OME logs, I am getting "Could not find segment for track_id=2, segment_number=844"

To Reproduce
Steps to reproduce the behavior:

1. Run the server using docker
2. Changed config to use ChunkDuration = 2s
3. I see the error after running stream for 30-40 mins.

Expected behavior
A clear and concise description of what you expected to happen.

Logs
LLHLS(846)/Stream total(846)/App total(846) [2024-03-28 09:45:38.661] I [StreamWorker:231] Monitor | stream_metrics.cpp:114 | A new session has started playing #default#app/acc242 on the LLHLS publisher. LLHLS(847)/Stream total(847)/App total(847) [2024-03-28 09:45:48.756] I [StreamWorker:232] Monitor | stream_metrics.cpp:114 | A new session has started playing #default#app/acc242 on the LLHLS publisher. LLHLS(848)/Stream total(848)/App total(848) [2024-03-28 09:45:54.297] I [StreamWorker:231] Monitor | stream_metrics.cpp:114 | A new session has started playing #default#app/acc242 on the LLHLS publisher. LLHLS(849)/Stream total(849)/App total(849) [2024-03-28 09:45:55.585] W [StreamWorker:231] LLHLS Publisher | llhls_stream.cpp:296 | Could not find segment for track_id = 2, segment_number = 844 [2024-03-28 09:46:07.849] I [StreamWorker:231] Monitor | stream_metrics.cpp:114 | A new session has started playing #default#app/acc242 on the LLHLS publisher. LLHLS(850)/Stream total(850)/App total(850)

Server (please complete the following information):

• OS: Ubuntu
• OvenMediaEngine Version: [e.g. v0.14.8]

Player (please complete the following information):

• Device: [e.g. iPhone 8]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

[getroot]

Since this is hardly a bug in OME, I moved it here. The player is requesting an old segment. It may be that the player's network is slow, or that the player is restarting after a long pause. If you are using a CDN, the cache policy may be incorrect and it may be serving outdated m3u8.

Also, please specify information about your OME version and player. If it is not the latest OME, try updating to the latest.

[sourabhmodi20051]

OME version is 0.14.8 and player version is 0.10.9.

yes we are using CDN but we have made sure we always go to origin for m3u8 files and cache only m4s and ts files.

By old segment you mean, the segment is expired / removed. what are the best practices to use here?

[getroot]

Since 0.14.8 is too old, your problem may be a bug in OME. But I'm not sure about that. This is because I also don't remember all the issues that have been resolved since 0.14.8.
First, please check if the problem is reproduced with the latest version.