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https://issues.apache.org/jira/browse/QPID-4745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13687245#comment-13687245
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Andrew Stitcher commented on QPID-4745:
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I think the new qpidd-p0.py has a mistake - the command line it uses is:
qpidd --socket-fd <n> --disable-listen tcp --port <port of fd n>
I think the --port <...> is in error is seems to try to listen to the same port
as the socket it was passed in!
Also I think that for the python system tests it would make more sense to make
this a qpidd launching class that is used as part of the test setup. This would
create a socket pair and pass one end to the broker and pass the other to the
tests to use directly (I think this last part will need a small amount of
implementation in the python code).
> 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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