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https://issues.apache.org/jira/browse/ARTEMIS-2513?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Clebert Suconic closed ARTEMIS-2513.
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> Large message's copy may be interfered by other threads
> -------------------------------------------------------
>
> Key: ARTEMIS-2513
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2513
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: Broker
> Affects Versions: 2.10.1
> Reporter: Howard Gao
> Assignee: Howard Gao
> Priority: Major
> Fix For: 2.11.0
>
> Time Spent: 2h 20m
> Remaining Estimate: 0h
>
> In LargeMessageImpl.copy(long) it need to open the underlying file in order
> to read and copy bytes into the new copied message. However there is a chance
> that another thread can come in and close the file in the middle, making the
> copy failed with "channel is null" error.
> This is happening in cases where a large message is sent to a jms topic
> (multicast address). During delivery it to multiple subscribers, some
> consumer is doing delivery and closed the underlying file after. Some other
> consumer is rolling back the messages and eventually move it to DLQ (which
> will call the above copy method). So there is a chance this bug being hit on.
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