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https://issues.apache.org/jira/browse/CASSANDRA-18725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17757543#comment-17757543
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Doug Rohrer commented on CASSANDRA-18725:
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5.0/Java 17 passed on rerun:
[https://app.circleci.com/pipelines/github/JeetKunDoug/cassandra/169/workflows/25ccc721-4497-4074-979c-28c92950bff0/jobs/6657]
> IsolatedJMX should not release all TCPEndpoints on instance shutdown
> --------------------------------------------------------------------
>
> Key: CASSANDRA-18725
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18725
> Project: Cassandra
> Issue Type: Improvement
> Components: Test/dtest/java
> Reporter: Doug Rohrer
> Assignee: Doug Rohrer
> Priority: Normal
> Fix For: 3.11.x, 4.0.x, 4.1.x, 5.0.x, 5.x
>
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> In the original implementation of the JMX feature, we fixed some memory leaks
> by clearing some internal state in Java’s TCPEndpoint. However, that
> implementation was overly aggressive and cleared the whole map, vs. just
> removing the endpoints created by the individual instances. This causes
> issues when you remove a node from the cluster (as all of the endpoints are
> cleared, not just the ones in use by that instance).
>
> In stead, we should check if the endpoint was created by the instance in
> question and only remove it if it was.
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