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From "Ganesh Murthy (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DISPATCH-905) Dispatch Router not failing over to slave broker when master broker goes away
Date Mon, 18 Dec 2017 19:21:00 GMT

     [ https://issues.apache.org/jira/browse/DISPATCH-905?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ganesh Murthy updated DISPATCH-905:
-----------------------------------
    Attachment: broker-master.xml
                broker-slave.xml
                failover.conf

> Dispatch Router not failing over to slave broker when master broker goes away
> -----------------------------------------------------------------------------
>
>                 Key: DISPATCH-905
>                 URL: https://issues.apache.org/jira/browse/DISPATCH-905
>             Project: Qpid Dispatch
>          Issue Type: Bug
>          Components: Container
>    Affects Versions: 1.0.0
>            Reporter: Ganesh Murthy
>            Assignee: Ganesh Murthy
>             Fix For: 1.1.0
>
>         Attachments: broker-master.xml, broker-slave.xml, failover.conf
>
>
> Attached are 3 files
> 1. broker-master.xml (Apache Artemis master broker configuration)
> 2. broker-slave.xml (Apache Artemis slave broker configuration)
> 3. failover.conf (Qpid Dispatch configuration file which connects to the master broker)
> Steps to reproduce the issue - 
> 1. Start 2 artemis brokers with the provided master and slave broker xml files
> 2. Start the Qpid Dispatch router with the provided config file with frame trace on like
this 
> {noformat}
> PN_TRACE_FRM=1 qdrouterd -c failover.conf 
> {noformat}
> 3. The master broker will send an open frame to the router than has a failover list.
The open frame looks like the following - 
> {noformat}
> [0x7f7b6000c1e0]:0 <- @open(16) [container-id="0.0.0.0", max-frame-size=4294967295,
channel-max=65535, idle-time-out=30000, offered-capabilities=@PN_SYMBOL[:"sole-connection-for-container",
:"DELAYED_DELIVERY", :"SHARED-SUBS", :"ANONYMOUS-RELAY"], properties={:product="apache-activemq-artemis",
:"failover-server-list"=[{:hostname="127.0.0.1", :scheme="amqp", :port=62616, :"network-host"="127.0.0.1"}],
:version="2.4.0"}]
> {noformat}
> Notice that the failover list is providing the url for the backup slave broker.
> 4. Now terminate the master broker.
> 5. Dispatch router must sense that the connection to the master broker has gone down
and must try to connect to the slave broker but it does not.



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