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https://issues.apache.org/jira/browse/AMQ-3818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13261119#comment-13261119
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Timothy Bish commented on AMQ-3818:
-----------------------------------
Pretty sure this is a dup of AMQ-3801. Take a look at that, if you agree we
can close this since its resolved and included in the upcoming v5.6.0
> Delayed persistent messages are lost if the broker is hard killed during the
> delay.
> -----------------------------------------------------------------------------------
>
> Key: AMQ-3818
> URL: https://issues.apache.org/jira/browse/AMQ-3818
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.5.1
> Environment: Windows 7 and Linux.
> Reporter: Dwain Theobald
>
> Persistent messages that are sent with a delay are lost by the ActiveMQ 5.5.1
> broker if the broker is hard killed before the scheduler finishes its work at
> the end of the delay. This isn't a problem if the broker is gracefully
> shutdown or if the broker continues to run beyond the delay, even if a
> consumer isn't waiting to immediately consume the message. If the broker
> goes down hard during the delay, even if the broker isn't busy, then it will
> lose 100% of the persistent messages that are waiting for their delay to come
> to an end.
> A simple test case that reproduces this issue can be made by having a
> producer send one thousand messages that each have a one minute delay. As
> soon as the last message has been sent by the producer wait an addtional
> second or two and then hard kill the broker. The hard kill should happen
> before the one minute delay has passed for the first message. Immediately
> restart the broker and then start a consumer that is looking for those one
> thousand messages. Even after a couple of minutes, the messages will not
> have made it to the consumer.
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