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https://issues.apache.org/activemq/browse/AMQCPP-256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Teemu Torma updated AMQCPP-256:
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Attachment: mt-receive.cpp
Here is a test program, I hope it is clear enough. I haven't tried with 5.3,
but even with 5.2 this works with activemq-cpp 2.2.
The usage is to send let's say 100 messages to queue FOO and then run the
program. What I see is broker exceptions and even if I receive exactly 100
messages, something might be left at the server.
The behaviour is a bit random and may not be reproducible at every run, but
currently this fails for me every time if there are 100 messages in the queue
at localhost.
> Transaction has not been started exceptions on the broker with parallel
> transacted sessions
> -------------------------------------------------------------------------------------------
>
> Key: AMQCPP-256
> URL: https://issues.apache.org/activemq/browse/AMQCPP-256
> Project: ActiveMQ C++ Client
> Issue Type: Bug
> Affects Versions: 3.0
> Environment: Ubuntu Jaunty 9.04
> Reporter: Teemu Torma
> Assignee: Timothy Bish
> Priority: Critical
> Attachments: mt-receive.cpp
>
>
> When using parallel transacted sessions and consumers to same queue each
> sharing the same connection, the messages are delivered but the broker 5.2
> gets exceptions
> javax.jms.JMSException: Transaction
> 'TX:de411476-d65d-fff7-1e84-be7c9abd80b5:6' has not been started.
> and some messages are left on the broker even though they were delivered.
> The issue seems to be related to multi-threading, by protecting each
> receive/commit with a lock the error does not happen. I am sorry I don't
> have a test program ready, but it should be easy to reproduce by creating
> multiple transacted session threads with prefetchSize=1 and consuming
> messages, commiting after each message. I have seen this happen both with
> consumers and listeners.
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