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Issues with Upgrading Phoenix: Exec Format Error Encountered | Arize AI Community

Phoenix Support

Issues with Upgrading Phoenix: Exec Format Error Encountered

·Apr 24, 2025 04:08 PM

When trying to upgrade from Phoenix 8.22.1 to 8.27.0 (also tried 8.26.2), we're seeing a exec /usr/bin/python3.11: exec format error Unfortunately thats the only logs. This is crashing the instance. Is this a known issue?

19 comments

· Sorted by Oldest

Anthony P.
·
I don't think we have seen this issue, and I'm sorry to see that you're facing it. Can you share a few more details like runtime environment (mac, linux, containers, etc), and are you using an externally configured postgres database?
Peter K.
·
Yep this is running on ECS with Fargate. We are using postgres
Anthony P.
·
Let me see if I can replicate
1
Anthony P.
·
I am not 100% familiar with fargate, but I am curious if your fargate platform is configured for windows or linux
Peter K.
·
We are running it on Linux
Anthony P.
·
Okay cool. Let me dig into our recent releases and see if anything stands out to me that could interfere with containers coming up
Peter K.
·
Much appreciated!
Anthony P.
·
Sorry again about the trouble, will check back in with you soon
Roger Y.
·
Xander S. have you seen this error before with the container?
Xander S.
·
I have not

·

According to Claude:

The "exec format error" is a common issue when working with Docker containers, including those in AWS ECS and Fargate. This error typically occurs when you try to run an executable that isn't compatible with the host system's architecture.

Xander S.
·
What architecture is used in Fargate?
Anthony P.
·
Linux or Windows. But assumedly if only the phoenix version has changed, the fargate setup should be okay
Xander S.
·
Both of those versions of Phoenix are built for linux/amd64 and linux/arm64
Peter K.
·
Hrmm yea this linux/amd64 🤔