[jira] [Resolved] (SPARK-60019) Downloading thread dump on executor thread dump page truncates the thread dump

["Shixiong Zhu (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-60019?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shixiong Zhu resolved SPARK-60019.
----------------------------------
    Fix Version/s: 4.4.0
       Resolution: Fixed

Issue resolved by pull request 59265
[https://github.com/apache/spark/pull/59265]

> Downloading thread dump on executor thread dump page truncates the thread dump
> ------------------------------------------------------------------------------
>
>                 Key: SPARK-60019
>                 URL: https://issues.apache.org/jira/browse/SPARK-60019
>             Project: Spark
>          Issue Type: Bug
>          Components: Web UI
>    Affects Versions: 4.2.0
>            Reporter: Shixiong Zhu
>            Assignee: Shixiong Zhu
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 4.4.0
>
>
> When a browser materializes a `data:` URI download, it excludes the URL fragment (everything from the first `#`) before decoding the body.
> Since https://github.com/apache/spark/pull/53634 (SPARK-54861), idle task threads are named `Executor task idle worker#<threadId>`, so nearly every executor thread dump contains a `#`. The downloaded file is silently truncated at the first such thread, losing it and every thread after it.



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