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fix: ensure response header value is string type #474

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merged 1 commit into from
Oct 14, 2021

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etamity
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@etamity etamity commented Oct 14, 2021

multiValueHeaders and headers maps while processing the integration response
into a single Map<String, List> value
https://kevinhakanson.com/2019-10-25-aws-alb-lambda-function-targets-and-multi-value-headers
https://javadoc.io/static/com.amazonaws/aws-lambda-java-events/2.2.7/com/amazonaws[…]services/lambda/runtime/events/APIGatewayProxyRequestEvent.html
getMultiValueHeaders() return as Map<String,List>

currently there are some header value are not string type (e.g content-length), which will cause 502 error on awselb/api gateway layer.

so we need to transform all headers value as string

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  • Tests have been added and are passing
  • Documentation has been updated

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

@brettstack
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LGTM could you please remove the package-lock.json from the commit first

@brettstack brettstack merged commit cb4b0e8 into CodeGenieApp:mainline Oct 14, 2021
@brettstack
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Thanks @etamity !

github-actions bot pushed a commit that referenced this pull request Oct 14, 2021
## [4.5.2](v4.5.1...v4.5.2) (2021-10-14)

### Bug Fixes

* ensure response header value is string type ([#474](#474)) ([cb4b0e8](cb4b0e8))
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🎉 This PR is included in version 4.5.2 🎉

The release is available on:

Your semantic-release bot 📦🚀

OneDev0411 added a commit to OneDev0411/serverless-express that referenced this pull request Mar 16, 2023
## [4.5.2](CodeGenieApp/serverless-express@v4.5.1...v4.5.2) (2021-10-14)

### Bug Fixes

* ensure response header value is string type ([#474](CodeGenieApp/serverless-express#474)) ([cb4b0e8](CodeGenieApp/serverless-express@cb4b0e8))
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2 participants