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https://issues.apache.org/jira/browse/AMQ-5732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14503108#comment-14503108
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Timothy Bish commented on AMQ-5732:
-----------------------------------
How deep is the Queue when you do this? You could be seeing a case where the
depth is larger than the maxPageSize setting which would prevent those older
messages from paging in which could cause the stall you see.
> Changing message selector leads to blocking message
> ---------------------------------------------------
>
> Key: AMQ-5732
> URL: https://issues.apache.org/jira/browse/AMQ-5732
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker, JMS client
> Affects Versions: 5.11.1
> Environment: Suse Linux 11 sp2
> Reporter: Cadmean
> Labels: features
>
> The problem is:
> 1. I create a queue in activemq broker (version 5.11.1) and some message with
> string property, for example "filename".
> 2. Use a client to consume the message with message selector
> "filename='123.tar'" with consumer.receive(),it works. After it receive the
> message, it acks the message and send the same message back to the broker and
> commit the session. (client_acknowledge).
> 3. Use the same client, change the message selector to "filename='456.tar'"
> with consumer.receive(), the consumer is blocked.
> 4. restart the broker and consumer "filename='456.tar'" again, it
> successfully receive the message, but if i change the selector back to
> "filename='123.tar'", it blocked again.
> At first I thought that there might be some rules for message dispatching.
> However, with ActiveMQ version 5.10.0, the problem is gone.
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