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https://issues.apache.org/jira/browse/CXF-7943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16749809#comment-16749809
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Adolfo commented on CXF-7943:
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Hi,
we're experiencing the same issue with version 3.1.7.
> MAPCodec: Memory leak due to growing uncorrelatedExchanges
> ----------------------------------------------------------
>
> Key: CXF-7943
> URL: https://issues.apache.org/jira/browse/CXF-7943
> Project: CXF
> Issue Type: Bug
> Affects Versions: 3.2.0
> Environment: CXF 3.2.0, JDK 1.8
> Reporter: Sean
> Priority: Major
> Attachments: histogram.PNG, leak_suspect_1.PNG, mapcodec_leak.png
>
>
> When running load tests, my system begin to get memory leak after 4 hours or
> so. When analyzing the heap dump using VisualVM (please see attachments), I
> can see that a ConcurrentHashMap is taking up 1.7 GB of space in the heap, as
> well as being the main "suspect" for this leak. This leads me to believe that
> it is the uncorrelatedExchanges attribute since this map is being reference
> from the MAPCodec class.
> I believe that the map, in my case, for whatever reason, does not always
> remove the Exchange after the synchronous request/responses are done, however
> I could be wrong.
>
> IF this is indeed a bug, what could the cause of this be, as well as any work
> around?
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