Christopher L. Shannon created AMQ-6981:
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Summary: 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
Fix For: 5.16.0, 5.15.5
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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