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https://issues.apache.org/jira/browse/CAMEL-20493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17863622#comment-17863622
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John Yin commented on CAMEL-20493:
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[~davsclaus], I cannot say it for sure whether this has happened with 4.4.0
(which we are using). We use concurrentConsumers=10.
> camel-core: concurrency issue copying headers
> ---------------------------------------------
>
> Key: CAMEL-20493
> URL: https://issues.apache.org/jira/browse/CAMEL-20493
> Project: Camel
> Issue Type: Bug
> Components: camel-core
> Affects Versions: 4.0.3, 4.4.0, 4.5.0
> Reporter: Otavio Rodolfo Piske
> Assignee: Claus Ibsen
> Priority: Major
> Fix For: 4.7.0
>
> Attachments: concurrency-issue.txt
>
>
> It looks like under some rare circumstances the copy of message headers can
> suffer from concurrency issues.
> Please look at the attached log, extracted from an execution of the test
> JmsProducerConcurrentWithReplyTest.
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