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https://issues.apache.org/jira/browse/HADOOP-19486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Istvan Toth reassigned HADOOP-19486:
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Assignee: Istvan Toth
> Fully Support Java 23 and 24
> ----------------------------
>
> Key: HADOOP-19486
> URL: https://issues.apache.org/jira/browse/HADOOP-19486
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Istvan Toth
> Assignee: Istvan Toth
> Priority: Major
>
> Hadoop trunk today mostly supports JDK17, but doesn't work at all on JDK23.
> (and conversely on JDK24 to be released in less than two weeks)
> While there are many smaller issues, the major breaking change is the
> SecurityManager removal (JEP411/486), and its many consequences.
> The obvious change is that Subjec.doAs() and Subject.current() no longer work
> by default, and the replacement APIs must be used.
> The more insidius change is that when SecurityManager is disabled then JDK22+
> does not propapage the Subject to new Threads, which is something that Hadoop
> absolutely relies on.
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