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https://issues.apache.org/jira/browse/PROTON-907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14610797#comment-14610797
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Gordon Sim commented on PROTON-907:
-----------------------------------

Perhaps a better fix posted for review: https://reviews.apache.org/r/36102/

> Qpid Proton Point to Point Hang on CentOS 6 pn_messenger_send
> -------------------------------------------------------------
>
>                 Key: PROTON-907
>                 URL: https://issues.apache.org/jira/browse/PROTON-907
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: proton-c
>    Affects Versions: 0.8, 0.9.1
>         Environment: CentOS 6 (both VM and native 64-bit) and RHEL 6
>            Reporter: Frank Quinn
>            Priority: Critical
>         Attachments: PROTON-907-workaround.patch
>
>
> See thread at 
> http://qpid.2158936.n2.nabble.com/Strange-behaviour-for-pn-messenger-send-on-CentOS-6-td7625846.html.
> Key points:
> * pn_messenger_send will hang on CentOS 6 if the destination is not yet up
> * Works fine on Fedora 21 and 22 (by 'fine', i mean it will attempt to send, 
> fail and move on)
> * Can be recreated by running the send.c application when recv.c is not yet 
> running
> * Proton burns CPU as it hangs
> This effectively deadlocks our application. So far, I’ve tried compiling qpid 
> proton c myself (both 0.8 and 0.9.1), setting pn_messenger_send timeout to 1 
> (it was previously -1), turning off iptables entirely and disabling selinux 
> and rebooting but no luck. 



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