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https://issues.apache.org/jira/browse/HADOOP-19574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18016606#comment-18016606
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ASF GitHub Bot commented on HADOOP-19574:
-----------------------------------------
stoty commented on PR #7892:
URL: https://github.com/apache/hadoop/pull/7892#issuecomment-3229205126
BTW I tested this by running the full test suite overnight on three VMs:
- one with this patch + JDK 24
- one with this patch + JDK 1.8
- and one trunk + JDK 1.8 to get a baseline.
I was able to get to the point where all the failing tests on the JDK24 were
also either broken or flakey on trunk.
I of course encourage everyone to run similar tests, and perhaps catch
anything I missed.
> Restore Subject propagation semantics for Java 22+
> --------------------------------------------------
>
> Key: HADOOP-19574
> URL: https://issues.apache.org/jira/browse/HADOOP-19574
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Istvan Toth
> Assignee: Istvan Toth
> Priority: Critical
> Labels: pull-request-available
>
> Java 22 breaks Subject propagation for new Threads (when SecurityManager is
> not enabled).
> Previously, the Subject set by Subject.doAs() / Subject.callAs()
> automatically propagated to any new Threads created (via new Thread(), not
> Executors).
> With JDK22, this is no longer the case, new Threads do NOT inherit the
> Subject.
> As Hadoop heavily relies on the original behavior, we somehow need to solve
> this problem.
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