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https://issues.apache.org/jira/browse/CASSANDRA-18841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17764893#comment-17764893
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Francisco Guerrero commented on CASSANDRA-18841:
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Taking a look at the patch, and it doesn't seem like {{runsOnInstance}} was
called previously:
https://github.com/apache/cassandra/blob/trunk/test/distributed/org/apache/cassandra/distributed/impl/Instance.java#L813
I wonder if that's something you've added interim as you were testing the fix?
> InstanceClassLoader leak in 5.0/trunk
> -------------------------------------
>
> Key: CASSANDRA-18841
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18841
> Project: Cassandra
> Issue Type: Bug
> Components: Test/dtest/java
> Reporter: Doug Rohrer
> Assignee: Doug Rohrer
> Priority: Normal
> Fix For: 5.0.x, 5.x
>
> Attachments: trunk_ThreadLocal_leak.patch
>
>
> Something in the 5.0/trunk branches has caused an in-jvm dtest
> InstanceClassLoader leak - it appears to have something to do with the Mutual
> TLS Authenticator (f078c02cb58bddd735490b07548f7352f0eb09aa) but nothing in
> that commit, so far, has stood out as causing issues.
> The culprit class appears to be
> {{io.netty.util.internal.InternalThreadLocalMap}}, which seems to no be
> removed when the threads stops for some reason.
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