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From "Timothy Bish (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (AMQ-4595) QueueBrowser hangs when browsing large queues
Date Mon, 15 Jul 2013 14:22:48 GMT

     [ https://issues.apache.org/jira/browse/AMQ-4595?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Timothy Bish resolved AMQ-4595.
-------------------------------

       Resolution: Fixed
    Fix Version/s: 5.9.0
         Assignee: Timothy Bish

Fixed on trunk, the QueueBrowser will just track all message Audits since its a transient
subscription the overhead will be short lived. 
                
> QueueBrowser hangs when browsing large queues
> ---------------------------------------------
>
>                 Key: AMQ-4595
>                 URL: https://issues.apache.org/jira/browse/AMQ-4595
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.8.0
>         Environment: All
>            Reporter: Nicholas Rahn
>            Assignee: Timothy Bish
>            Priority: Critical
>              Labels: QueueBrowser
>             Fix For: 5.9.0
>
>         Attachments: AMQ4595Test.java, AMQ580BrowsingBug.java, amq-test-20130621T155120.log
>
>
> When trying to browse a queue with a QueueBrowser, the browsing will hang and never complete.
This appears to happen only with "a lot" of message in the queue. 1000 messages works correctly,
but 10000 hangs.
> I have attached a unit test that exhibits the problem. Change the "messageToSend" variable
in the test method to see the difference between small queue size and large queue size. 
> I've attached the unit test code as well as the output from one of the runs with 10000
messages. 

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