[jira] [Resolved] (SPARK-32467) Avoid encoding URL twice on https redirect

["Gengliang Wang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-32467?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gengliang Wang resolved SPARK-32467.
------------------------------------
    Resolution: Fixed

The issue is resolved in https://github.com/apache/spark/pull/29271

> Avoid encoding URL twice on https redirect
> ------------------------------------------
>
>                 Key: SPARK-32467
>                 URL: https://issues.apache.org/jira/browse/SPARK-32467
>             Project: Spark
>          Issue Type: Bug
>          Components: Web UI
>    Affects Versions: 3.0.1, 3.1.0
>            Reporter: Gengliang Wang
>            Assignee: Gengliang Wang
>            Priority: Major
>
> Currently, on https redirect, the original URL is encoded as an HTTPS URL. However, the original URL could be encoded already, so that the return result of method
> UriInfo.getQueryParameters will contain encoded keys and values. For example, a parameter
> order[0][dir] will become order%255B0%255D%255Bcolumn%255D after encoded twice, and the decoded
> key in the result of UriInfo.getQueryParameters will be order%5B0%5D%5Bcolumn%5D.
> To fix the problem, we try decoding the query parameters before encoding it. This is to make sure we encode the URL exactly once.



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