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From "Sree Panchajanyam D (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-2289) Browsing Queue through JMX has unintended side effects for producer flow control
Date Tue, 20 Sep 2011 09:51:08 GMT

    [ https://issues.apache.org/jira/browse/AMQ-2289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13108485#comment-13108485
] 

Sree Panchajanyam D commented on AMQ-2289:
------------------------------------------

Could you tell us how to reproduce this issue? By "browsing the queue using JMX" do u mean
using JConsole(internally uses JMX)? 

> Browsing Queue through JMX has unintended side effects for producer flow control
> --------------------------------------------------------------------------------
>
>                 Key: AMQ-2289
>                 URL: https://issues.apache.org/jira/browse/AMQ-2289
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: JMX
>    Affects Versions: 5.2.0
>            Reporter: Dave Syer
>             Fix For: 5.6.0
>
>   Original Estimate: 0h
>  Remaining Estimate: 0h
>
> Browsing Queue through JMX has unintended side effects for producer flow control.  If
a Producer has blocked because of a MemoryUsage constraint, it will be unblocked (forever)
if anyone browses the Queue using JMX (normal use of JMS QueueBrowser does not have the same
effect).  This is clearly unintended, since the flow control is bypassed until the broker
is restarted.

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