Issue
My workflow run fails with the following error
cloudbees-runtime: fork/exec /bin/sh: exec format error
Resolution
This error can happen when using container images in your workflow built for OS or CPU architectures that are not currently supported.
Check that your container image (see the uses: … line in your workflow steps) is built for the OS/ARCH of linux/amd64 (as of December 2023).
This article is part of our Knowledge Base and is provided for guidance-based purposes only. The solutions or workarounds described here are not officially supported by CloudBees and may not be applicable in all environments. Use at your own discretion, and test changes in a safe environment before applying them to production systems.