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https://issues.apache.org/jira/browse/QPID-617?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rupert Smith updated QPID-617:
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Summary: Transactional consume does not ack messages. (was: Messages
redelivered when doing transactional consume from one queue to >1 consumers.)
> Transactional consume does not ack messages.
> --------------------------------------------
>
> Key: QPID-617
> URL: https://issues.apache.org/jira/browse/QPID-617
> Project: Qpid
> Issue Type: Bug
> Affects Versions: M2
> Environment: Java client/broker.
> Reporter: Rupert Smith
> Assignee: Rupert Smith
> Fix For: M2
>
>
> I ran the following test:
> ./Ping-Once-Async.sh -n strange_redelivery_test -s[10] -c[1] persistent=false
> pubsub=false transacted=true commitBatchSize=1 batchSize=1000 messageSize=256
> destinationCount=1 uniqueDests=false consTransacted=true numConsumers=4
> broker=tcp://10.0.0.1:9000
> Which reports:
> .Got redelivered message, ignoring.
> Got redelivered message, ignoring.
> Got redelivered message, ignoring.
> Got redelivered message, ignoring.
> The test is delivering mesages, round robin to 4 consumers (2 is enough to
> show the problem), on a common queue. The sender controls the test, and does
> not terminate the test until all of the consumers have received and committed
> all of their test messages. The consumers will commit their transactions at
> the end of the test.
> Either, something strange is happening, where messages that should have been
> acked because they were committed are being redelivered on connection close,
> or, the connection is being closed before all of the consumers have finished
> committing. In the latter case, the PPP test is at fault and needs to be
> fixed.
> This problem does not show up when the consumers are using auto_ack.
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