Hello AWS Community,
I'm encountering a persistent issue with my AWS Lambda function written in Node.js, and I'm hoping to get some insights or suggestions on how to resolve it. Despite following AWS documentation and troubleshooting guides, the issue remains unresolved.
Issue Description:
When invoking my Lambda function, I receive a Runtime.ImportModuleError indicating that the module 'index' cannot be found. The exact error message is as follows:
Runtime.ImportModuleError: Error: Cannot find module 'index'
Require stack:
Steps Taken:
Confirmed that the index.js file is at the root level of my ZIP deployment package.
Ensured the handler configuration in the Lambda console is set to index.handler, matching the file name and export method in my code.
Simplified the index.js file to a basic function to eliminate potential issues with the function code itself.
Attempted to deploy the function code via both the AWS Management Console and the AWS CLI.
Function Details:
Runtime: Node.js 16.x
Region: eu-west-2
Deployment Method: ZIP upload through AWS Management Console and AWS CLI
Additional Context:
The function is intended to send emails using Amazon SES and logs to Amazon CloudWatch.
I'm currently on the AWS Basic Support plan, so direct technical support from AWS is not available.
I'm looking for any advice on what might be causing this issue or any additional troubleshooting steps I could take. Has anyone else encountered this error or have any insights on what might be going wrong?
The error manifests when I attempt to test the function using the "Test" feature in the AWS Lambda console.
Thank you in advance for your help!
index.js Code:
// Example of a simplified index.js file
exports.handler = async (event) => {
console.log("Event:", event);
return { statusCode: 200, body: "Hello from Lambda!" };
};
Note: This is a simplified version of my index.js to test the Lambda deployment and execution process. The actual function is intended to send emails using Amazon SES and log messages to Amazon CloudWatch.
I'm looking for insights into what might be causing this ImportModuleError and how to resolve it. Specifically, I'm curious if there are known issues with the Node.js 16.x runtime or if there are additional logs or diagnostics that I can enable to get more detailed information about the error.