[jira] [Updated] (HIVE-26467) SessionState should be accessible inside ThreadPool

["Stamatis Zampetakis (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-26467?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stamatis Zampetakis updated HIVE-26467:
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    Fix Version/s:     (was: 4.0.0)

I cleared the fixVersion field since this ticket is still open. Please review this ticket and if the fix is already committed to a specific version please set the version accordingly and mark the ticket as RESOLVED.

According to the [JIRA guidelines|https://cwiki.apache.org/confluence/display/Hive/HowToContribute] the fixVersion should be set only when the issue is resolved/closed.

> SessionState should be accessible inside ThreadPool
> ---------------------------------------------------
>
>                 Key: HIVE-26467
>                 URL: https://issues.apache.org/jira/browse/HIVE-26467
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Syed Shameerur Rahman
>            Assignee: Syed Shameerur Rahman
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>
> Currently SessionState.get() returns null if it is called inside a ThreadPool. If there is any custom third party component leverages SessionState.get() for some operations like getting the session state or session config inside a thread pool it will result in null since session state is thread local (https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/session/SessionState.java#L622) and ThreadLocal variable are not inheritable to child threads / thread pools.
> So one solution is to make the thread local variable inheritable so the SessionState gets propagated to child threads.



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