Migrating Lambda to use Graviton2 Processor

Question

I made changes in the serverless configuration for Lambda to use the arm64 processor, and the deployment was successful. However, when I triggered the Lambda function, I received the following exception. Please let me know if any have any idea on the resolution.

Unhandled exception. System.BadImageFormatException: Could not load file or assembly '/opt/Amazon.Lambda.RuntimeSupport.dll'. An attempt was made to load a program with an incorrect format.
error : bootstrap.sh doesn't exist

Answer

Hi Rahul,

if you are using .NET for your Lambda function, you might need to build specifically for the ARM architecture. Please find more information here: https://github.com/aws/aws-graviton-getting-started/blob/main/dotnet.md

Thanks,
Ben

Migrating Lambda to use Graviton2 Processor

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