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https://issues.apache.org/jira/browse/CASSANDRA-18841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Doug Rohrer updated CASSANDRA-18841:
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Test and Documentation Plan:
Run {{ResourceLeakTest#looperTest}} after increasing the number of loops to 100
- without the patch, this will fail on 5.0 and trunk long before you get to 100
iterations.
With the patch, it should reach 100.
Status: Patch Available (was: Open)
Note I believe this patch should _also_ be applied to 4.1 as the same bug is
there, it just hasn't been hit because the code that is called in
{{postStartup}} today doesn't tickle the particular issue (it requires hitting
something that uses {{ThreadLocal}}s.
> 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
>
>
> 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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