Fixing the npm ERR! code EPIPE Error in AWS CodeBuild

You may have experienced the npm ERR! code EPIPE error while running npm ci in AWS CodeBuild. This error typically indicates an issue with writing data to a file or a stream. There are various reasons why this error can occur, such as network connectivity issues, file permission issues, or conflicts with other processes running on the same system.

One potential solution to fix the npm ERR! code EPIPE error in AWS CodeBuild is to invalidate the CodeBuild project cache. This can be done using the AWS Management Console, the AWS CLI, or the AWS SDKs.

Invalidate the CodeBuild Project Cache in AWS Management Console:

• Open the AWS Management Console and navigate to the CodeBuild console.
• Select the CodeBuild project that is encountering the npm ERR! code EPIPE error.
• Click on the "Build History" tab and find the build that failed with the error.
• Click on the build ID to open the build details.
• Click on the "Invalidate Build Cache" button to invalidate the CodeBuild project cache.
• Re-run the build and check if the npm ERR! code EPIPE error has been resolved.

Invalidate the CodeBuild Project Cache Using the AWS CLI:

• Open a terminal or command prompt and install the AWS CLI if you haven't already done so.
• Run the following command to invalidate the CodeBuild project cache:

aws codebuild invalidate-project-cache --project-name <project-name>

• Replace with the name of the CodeBuild project that is encountering the npm ERR! code EPIPE error.

• Re-run the build and check if the npm ERR! code EPIPE error has been resolved.

Error message example

[Container] 2023/03/01 12:13:31 Running command npm ci
npm ERR! code EPIPE
npm ERR! syscall write
npm ERR! errno -32
npm ERR! write EPIPE