Question 241252 in Amazon Web Sevices Question posted in
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Amazon web services – Unable to create AWS Lambda layer: "SSL validation failed … EOF occurred in violation of protocol (_ssl.c:2423)"

I am trying to create a layer based on the ready-made zip file here: https://github.com/diegoparrilla/headless-chrome-aws-lambda-layer

The zip file is 80mb, which is larger than the maximum allowable console direct upload size of 50mb, but I verified the unzipped size is 211mb, which is smaller than the maximum allowable total unzipped size of 250mb.

I have verified I am able to access my AWS account using keys stored in the configurations, and I am using us-east-1 location.

I run the following: aws lambda publish-layer-version --layer-name layer-headless_chrome-v0.2-beta.0 --zip-file fileb://layer-headless_chrome-v0.2-beta.0.zip --compatible-runtimes "python3.8"

And it produces the following error: botocore.exceptions.SSLError: SSL validation failed for https://lambda.us-east-1.amazonaws.com/2018-10-31/layers/layer-headless_chrome-v0.2-beta.0/versions EOF occurred in violation of protocol (_ssl.c:2423)

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2

Answers


  1. 0

    You will need to separate the S3 upload task from publish-layer-version task, the CLI is still subject to the 50 MB size limit for a packaged upload of a zipped lambda layer. Uploading to S3 first as a discrete step and then invoking publish-layer-version with the –content parameter should allow your subsequent task to succeed.

    aws s3 cp layer-headless_chrome-v0.2-beta.0.zip s3://<YOUR_BUCKET_NAME>/layer-headless_chrome.zip
aws lambda publish-layer-version 
    --layer-name HeadlessChromium 
    --region <YOUR_AWS_REGION> 
    --content S3Bucket=<YOUR_BUCKET_NAME>,S3Key=layer-headless_chrome.zip 
    --compatible-runtimes python3.8
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  2. 0

    Try adding this in your ~/.aws/config file

    [profile whatever]
s3 =
  max_concurrent_requests = 20
  max_queue_size = 10000
  multipart_threshold = 64MB
  multipart_chunksize = 16MB
  max_bandwidth = 50MB/s
  addressing_style = path

    Worked like charm after trying to fix it for hours!!

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