Getting "Unusable Erlang runtime system!" when trying to run on Amazon Linux 2

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I am compiling an elixir app on Ubuntu 18.04 in github actions and trying to run it in an Amazon Linux 2 system and I get the error "Unusable Erlang runtime system! This is likely due to being compiled for another system than the host is running"

I checked to make sure both were running on an x86_64 system and that does appear to be the case. Github Actions Ubuntu uname: Linux fv-az21-804 5.4.0-1036-azure #38~18.04.1-Ubuntu SMP Wed Jan 6 18:26:30 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

Amazon Linux 2 uname: Linux ip-172-10-201-177.ec2.internal 4.14.209-160.339.amzn2.x86_64 #1 SMP Wed Dec 16 22:44:04 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

OTP Version: 23.2.1 Elixir Version: 1.11.3

I am at a loss as to what could be going on. Any thoughts?

elixir amazon-ecs github-actions erlang
1 Answers

This is usually the case when there is a mismatch of Erlang versions.

Scenario:

Try and see if the Erlang version is consistent.

The OP asks in the comments:

Is it possible the problem is in the libc mismatch between ubuntu using glibc and alpine using musl?

That is a possible root cause indeed. The test would be to compile it using the same libc.

VonC_63090
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