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https://issues.apache.org/jira/browse/ARTEMIS-2200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16745488#comment-16745488
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ASF subversion and git services commented on ARTEMIS-2200:
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Commit 9966ff0299dc6bd911831f4197d2b7d389a6d4c7 in activemq-artemis's branch
refs/heads/2.6.x from Clebert Suconic
[ https://gitbox.apache.org/repos/asf?p=activemq-artemis.git;h=9966ff0 ]
ARTEMIS-2200 NPE when calling journal.delete from Multiple Threads
(cherry picked from commit b3f0a87e0db4832585a0460633889e13ef4bcbf8)
> NPE while dropping/failing large messages on paging
> ---------------------------------------------------
>
> Key: ARTEMIS-2200
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2200
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Affects Versions: 2.7.0, 2.6.3
> Reporter: Francesco Nigro
> Assignee: Francesco Nigro
> Priority: Minor
> Fix For: 2.7.0
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> Due to a race condition while handling deletion (ie confirmation) of large
> messages dropped/failed due to paging, the Artemis journal try to delete the
> same records twice, throwing NPE while doing it.
> In addition, given that the NPE is unexpected, the broker is not cleaning up
> the pending stores on the OperationContext, leading to some leaking
> OperationContextImpl.TaskHolder instances.
> It is happening with any protocols ie Core, OpenWire, AMQP.
> Are not known yet other bad effects beyond the NPE and the leak.
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