Introductory Guide to Debugging Lambda Configuration Errors

Introductory Guide to Debugging Lambda Configuration Errors

The “Lambda configuration error” is as generic as it gets but at the end of the day, it's a pathing issue. Let's go over how to resolve this. Introductory Guide to Debugging Lambda Configuration Errors

It shouldn’t be a surprise that Lambda configuration error is one of the most common error messages, and we all know AWS error messages aren’t known for being especially detailed. Oftentimes you will come across other vague error messages like “encoding not enabled,” or “stream is failing,” and depending on the context, this could mean your services could be completely down.

The Lambda configuration error is as generic as it gets; there are dozens of configuration attributes you can set for your Lambda function, and if you don’t know them all by heart, anything or everything could be the culprit here.

What does “Lambda Configuration Error” mean?

This error can have many causes, but it simply means that the Lambda service can’t reach your handler function.

Lambda is a function as a service (FaaS) offering and tries to simplify hosting. While virtual machines and containers are long-running servers that hold state, FaaS removes state and only executes a function. The function receives input and generates output or has side-effects.

When you want to use Lambda, you have to supply it with a supported programming language function. If this function is missing or can’t be reached due to other problems, you will end up with the dreaded Lambda configuration error.

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