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https://issues.apache.org/jira/browse/CAMEL-20493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17835430#comment-17835430
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John Yin commented on CAMEL-20493:
----------------------------------
I am seeing a similar issue in 4.0.3, with a different stacktrace, not sure
whether they are related:
java.util.ConcurrentModificationException: null
at java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1486)
~[?:?]
at java.util.TreeMap$EntryIterator.next(TreeMap.java:1522) ~[?:?]
at java.util.TreeMap$EntryIterator.next(TreeMap.java:1517) ~[?:?]
at java.util.TreeMap.buildFromSorted(TreeMap.java:2879) ~[?:?]
at java.util.TreeMap.buildFromSorted(TreeMap.java:2871) ~[?:?]
at java.util.TreeMap.buildFromSorted(TreeMap.java:2871) ~[?:?]
at java.util.TreeMap.buildFromSorted(TreeMap.java:2828) ~[?:?]
at java.util.TreeMap.putAll(TreeMap.java:319) ~[?:?]
at
org.apache.camel.support.MessageSupport.copyFromWithNewBody(MessageSupport.java:231)
~[camel-support-4.0.3.jar:4.0.3]
at
org.apache.camel.support.MessageSupport.copyFrom(MessageSupport.java:193)
~[camel-support-4.0.3.jar:4.0.3]
at
org.apache.camel.support.ExchangeHelper.doCopyResults(ExchangeHelper.java:351)
~[camel-support-4.0.3.jar:4.0.3]
at
org.apache.camel.support.ExchangeHelper.copyResults(ExchangeHelper.java:331)
~[camel-support-4.0.3.jar:4.0.3]
at
org.apache.camel.component.seda.SedaConsumer.doRun(SedaConsumer.java:188)
[camel-seda-4.0.3.jar:4.0.3]
at org.apache.camel.component.seda.SedaConsumer.run(SedaConsumer.java:129)
[camel-seda-4.0.3.jar:4.0.3]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
[?:?]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
[?:?]
at java.lang.Thread.run(Thread.java:840) [?:?]
> 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: 4.4.0, 4.5.0
> Reporter: Otavio Rodolfo Piske
> Assignee: Otavio Rodolfo Piske
> Priority: Major
> Fix For: 4.x
>
> 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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