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https://issues.apache.org/jira/browse/HADOOP-19574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18016779#comment-18016779
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ASF GitHub Bot commented on HADOOP-19574:
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stoty commented on PR #7892:
URL: https://github.com/apache/hadoop/pull/7892#issuecomment-3233402733
> I'm not sure if Hadoop has a mechanism to run tests on a real cluster
instead of miniclusters. If it does, then many of those changes will be needed
for running tests on kerberized real clusters.
I got confirmation that Hadoop cannot run the test suite on external
cluters, so in theory we don't need to replace Thread everywhere in the tests.
I still think that it's more robust to replace every Thread instance.
> 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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