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https://issues.apache.org/jira/browse/QPID-4745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13687210#comment-13687210
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Alan Conway commented on QPID-4745:
-----------------------------------

Updating changes to use qpidd-p0 is less urgent given this alternative fix to 
port-clash problems:

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r1492778 | gsim | 2013-06-13 13:45:56 -0400 (Thu, 13 Jun 2013) | 2 lines

NO-JIRA: restrict broker to listen only on loopback interface (which is all 
that gets used by clients) in order to avoid port collisions

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> qpidd --port 0 sometimes fails with 'Can't bind to port 0.0.0.0:49337: 
> Address already in use (qpid/sys/posix/Socket.cpp:206)' 
> -------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: QPID-4745
>                 URL: https://issues.apache.org/jira/browse/QPID-4745
>             Project: Qpid
>          Issue Type: Improvement
>          Components: C++ Clustering
>    Affects Versions: 0.22
>            Reporter: Alan Conway
>            Assignee: Alan Conway
>            Priority: Minor
>
> Many of the tests use "qpidd --port=0" to start a broker on an available port.
> Thhis sporadically fails with: Can't bind to port 0.0.0.0:49337: Address 
> already in use (qpid/sys/posix/Socket.cpp:206)
> Many HA tests use --port=0 to start a broker on an available port, but then 
> need to shutdown and restart the broker _on the same port_. This is not safe, 
> on a busy system it is possible for another process  to take the port between 
> the time the broker is shut down and the time it is restarted.
> See also https://bugzilla.redhat.com/show_bug.cgi?id=906277

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