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https://issues.apache.org/jira/browse/CASSANDRA-18841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17765729#comment-17765729
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David Capwell commented on CASSANDRA-18841:
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I am +1 but feel that if this patch is actually needed then don't we have more
places that are problematic?
org.apache.cassandra.distributed.impl.Instance#schemaVersion
org.apache.cassandra.distributed.impl.Instance#getMessagingVersion
org.apache.cassandra.distributed.impl.Instance#setMessagingVersion
org.apache.cassandra.distributed.impl.Instance#getReleaseVersionString
org.apache.cassandra.distributed.impl.Instance#flush
org.apache.cassandra.distributed.impl.Instance#forceCompact
org.apache.cassandra.distributed.impl.Instance#executorFor
> 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
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 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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