[jira] [Resolved] (THRIFT-5922) Lua: THttpTransport assumes header keys are case-sensitive

["Jens Geyer (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/THRIFT-5922?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jens Geyer resolved THRIFT-5922.
--------------------------------
    Fix Version/s: 0.23.0
       Resolution: Fixed

> Lua: THttpTransport assumes header keys are case-sensitive
> ----------------------------------------------------------
>
>                 Key: THRIFT-5922
>                 URL: https://issues.apache.org/jira/browse/THRIFT-5922
>             Project: Thrift
>          Issue Type: Bug
>          Components: Lua - Library
>    Affects Versions: 0.10.0, 0.11.0, 0.12.0, 0.13.0, 0.14.0, 0.15.0, 0.14.1, 0.14.2, 0.16.0, 0.17.0, 0.18.0, 0.18.1, 0.19.0, 0.20.0, 0.21.0, 0.22.0
>            Reporter: Jonas
>            Priority: Minor
>              Labels: easyfix
>             Fix For: 0.23.0
>
>   Original Estimate: 1h
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> The lua HTTP Transport assumes that casing of header keys is preserved over the network. Thus when the traffic is routed through a proxy that changes the header keys to be all lowercase (such as when using kourier, which is the default ingress for knative), the client breaks because it fails to retrieve `headers["Content-Length"]` when `headers["content-length"]` would be present.
> This is also different from all other language HTTP transport implementations, where either the library code or some used library makes sure to ignore casing.



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