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Posted to dev@activemq.apache.org by "Teemu Torma (JIRA)" <ji...@apache.org> on 2009/07/23 17:39:34 UTC
[jira] Closed: (AMQCPP-256) Transaction has not been started
exceptions on the broker with parallel transacted sessions
[ https://issues.apache.org/activemq/browse/AMQCPP-256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Teemu Torma closed AMQCPP-256.
------------------------------
Seems to work when applied to 3.0.1.
> 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
> Fix For: 3.1
>
> 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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