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https://issues.apache.org/jira/browse/AMQ-6981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christopher L. Shannon updated AMQ-6981:
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Attachment: NullMessageTest.java
> Concurrent access to ActiveMQTextMessage getText() can lead to null when
> using VMTransport
> ------------------------------------------------------------------------------------------
>
> Key: AMQ-6981
> URL: https://issues.apache.org/jira/browse/AMQ-6981
> Project: ActiveMQ
> Issue Type: Improvement
> Components: Broker, JMS client
> Affects Versions: 5.15.4
> Reporter: Christopher L. Shannon
> Assignee: Christopher L. Shannon
> Priority: Major
> Fix For: 5.16.0, 5.15.5
>
> Attachments: NullMessageTest.java
>
>
> The issue occurs when using the VM transport to access the text of the
> ActiveMQTextMsesage and the getText() method has to unmarshall data back into
> text from the byte sequence.
>
> The main problem is when there are multiple threads at the same time calling
> getText() on the text message there is a race condition where the content can
> be nulled out before finishing setting the text.
>
> This is probably an issue with other message types besides a text message as
> well.
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