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From "Ted Ross (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DISPATCH-628) [PATCH] Multiple connections per autoLink and linkRoute overwrites connection handle
Date Fri, 03 Feb 2017 15:28:52 GMT

     [ https://issues.apache.org/jira/browse/DISPATCH-628?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Ted Ross updated DISPATCH-628:
    Component/s: Router Node

> [PATCH] Multiple connections per autoLink and linkRoute overwrites connection handle
> ------------------------------------------------------------------------------------
>                 Key: DISPATCH-628
>                 URL: https://issues.apache.org/jira/browse/DISPATCH-628
>             Project: Qpid Dispatch
>          Issue Type: Bug
>          Components: Router Node
>            Reporter: Ulf Lilleengen
>             Fix For: 0.8.0
> When implementing https://github.com/apache/qpid-dispatch/pull/111 I stumbled across
an issue with an autoLink or linkRoute only being able to refer to more than 1 connection,
which I assumed would originaly cause an assert in route_control.c:350 to trigger when I configured
an autoLink to trigger on a containerId and use the same container id when sharding a queue.
> Since the assert didn't trigger, I assumed that I must have misread the code, but nontheless
as part of the patch I made it possible for a linkRoute/autoLink to be associated with multiple
> Recently, I have seen some router crashes when scaling up and down queues in EnMasse,
and I just figured that the reason for this assert not triggering is that it is disabled in
the RelWithDebInfo configuration. 
> If built without optimizations (Debug), I'm able to trigger the issue with the configuration
in http://people.redhat.com/~ulilleen/bugs/routerconn/  
> To trigger, I startup the router and broker as so:
> qdrouterd -c router_incoming.conf
> export MESSAGING_SERVICE_HOST=localhost 
> export QUEUE_NAME=myqueue
> export CONTAINER_ID=myqueue
> ./br/bin/simplebroker &
> ./br/bin/simplebroker
> I have extracted the patch from DISPATCH-476 and will create a PR with it.

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