GitHub Actions Artifact upload failed

The workflow is unable to upload artifacts due to size limits or network issues.

Understanding GitHub Actions

GitHub Actions is a powerful automation tool integrated into GitHub, allowing developers to automate their software workflows directly from their repositories. It enables continuous integration and continuous deployment (CI/CD), automating tasks like testing, building, and deploying code. With GitHub Actions, developers can create workflows that build, test, package, release, and deploy projects on any platform, including Linux, macOS, and Windows.

Identifying the Symptom: Artifact Upload Failed

One common issue developers encounter when using GitHub Actions is the 'Artifact upload failed' error. This error typically occurs during the workflow execution when the system attempts to upload artifacts generated during the build or test phases. Artifacts are essential for storing build outputs, logs, or any other files that need to be shared or archived.

Exploring the Issue: Why Does Artifact Upload Fail?

The 'Artifact upload failed' error can arise due to several reasons. The most common causes include exceeding the artifact size limits set by GitHub or encountering network connectivity issues during the upload process. GitHub imposes certain restrictions on artifact sizes to ensure optimal performance and resource management. As of the latest guidelines, the maximum artifact size is 5 GB per artifact, with a total storage limit of 2 GB per repository.

Size Limitations

If your artifacts exceed the allowed size, the upload process will fail. This is particularly common in projects with large build outputs or extensive log files. To learn more about GitHub's artifact size limits, visit the official documentation.

Network Connectivity Issues

Network issues can also disrupt the artifact upload process. This can be due to unstable internet connections, server timeouts, or other network-related problems. Ensuring a stable and reliable network connection is crucial for successful artifact uploads.

Steps to Resolve the Artifact Upload Issue

To address the 'Artifact upload failed' error, follow these steps:

1. Check Artifact Size

Review the size of the artifacts you are trying to upload. Ensure they do not exceed the 5 GB limit per artifact.
If your artifacts are too large, consider splitting them into smaller parts. You can use tools like tar or zip to compress and split files.
Update your workflow YAML file to handle multiple smaller artifacts if necessary.

2. Verify Network Connectivity

Ensure your network connection is stable. You can test your connection using tools like ping or traceroute.
If you are experiencing persistent network issues, consider using a different network or contacting your network administrator.

3. Optimize Workflow Configuration

Review your workflow configuration to ensure it is optimized for artifact handling. Refer to the GitHub Actions workflow syntax guide for best practices.
Consider using caching strategies to reduce the size of artifacts by excluding unnecessary files.

Conclusion

By understanding the limitations and requirements of GitHub Actions, you can effectively troubleshoot and resolve the 'Artifact upload failed' error. Ensuring your artifacts are within size limits and maintaining a stable network connection are key steps in preventing this issue. For further assistance, explore the GitHub Community Forum where you can find additional support and resources.

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