Bug: Lambda functions containers initialization failed because of [Errno 17] File exists

[mbamber]

Description:

When I am running sam local start-api I frequently get the error:
Lambda functions containers initialization failed because of [Errno 17] File exists: '/root/.aws-sam/layers-pkg/opa-lambda-extension-44-e1a875753a' where the mentioned extension is a layer that we have written.

Sometimes it works fine, but most of the time it crashes with this error.

Steps to reproduce:

Run sam local start-api --config-env test with a config that looks as follows:

[test.local_start_api.parameters]
warm_containers = "EAGER"
port = 3001

Observed result:

sam.log

Expected result:

My API to become available every time

Additional environment details (Ex: Windows, Mac, Amazon Linux etc)

# Paste the output of `sam --info` here

{
--
"version": "1.140.0",
"system": {
"python": "3.10.12",
"os": "Linux-4.14.355-275.572.amzn2.x86_64-x86_64-with-glibc2.35"
},
"additional_dependencies": {
"docker_engine": "20.10.24",
"aws_cdk": "Not available",
"terraform": "Not available"
},
"available_beta_feature_env_vars": [
"SAM_CLI_BETA_FEATURES",
"SAM_CLI_BETA_BUILD_PERFORMANCE",
"SAM_CLI_BETA_TERRAFORM_SUPPORT",
"SAM_CLI_BETA_PACKAGE_PERFORMANCE",
"SAM_CLI_BETA_RUST_CARGO_LAMBDA"
]
}