Stochastically getting error "ZSTD decompression error: Unknown frame descriptor", persists until index cache cleaned #3733
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I cannot reproduce the problem ( |
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I never thought it was deterministically reproducible, that's why the issue title starts with "stochastically" ;) I don't think it matters what exactly you install, something is wrong with the index, it's likely corrupted but micromamba seems to not properly handle a corrupted index. That's the root cause for which we lack a repro - which doesn't mean that there's not a problem. |
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Yes, I know, I have tried many time with your configuration and I never have been able to reproduce the issue. I guess we could add an hint to recommend cleaning the cache to users if they meet error repeatedly. |
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Thanks for trying! I'll let you know if I ever see it again. Advantage of
having an issue is that if others google the error they can +1 the issue
now without having to open it themselves so we find out how common the
problem is.
I've only ever seen this issue once, but even if it happens only once in
10k times, the error could be better handled, for example with a hint as
you suggest.
…On Thu, Jan 9, 2025 at 11:47 AM Julien Jerphanion ***@***.***> wrote:
Yes, I know, I have tried many time with your configuration and I never
have been able to reproduce the issue.
I guess we could add an hint to recommend cleaning the cache to users if
they meet error repeatedly.
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Feel free to give feedback on #3736. |
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Troubleshooting docs
How did you install Mamba?
Micromamba
Search tried in issue tracker
zstd decompression error
Latest version of Mamba
Tried in Conda?
I didn't try
Describe your issue
Preface: Stochastic error, so not critical, but just opening the issue in case others face it as well. In any case there could be better error handling: cleaning of index cache when this error happens rather than make the user have to do it manually.
When doing
micromamba install mailboxI suddenly got the errorlibmamba ZSTD decompression error: Unknown frame descriptor:Retrying the install didn't help. Only cleaning the index cache helped with
micromamba clean -aThis is the first time I see the issue, but it calls for better error handling even if it's rare, so opening just in case.
Possibly related to: #2707
Logs of the incident and what I did right before
mamba info / micromamba info
environment.yml
~/.condarc
~/.mambarc
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