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Date: Tue, 24 Jun 2008 12:15:00 -0700 (PDT)
From: "ying (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Subject: [jira] Commented: (AMQ-1820) Pure Master/Slave-kill the
 slave-master will not work
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    [ https://issues.apache.org/activemq/browse/AMQ-1820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=43688#action_43688 ] 

ying commented on AMQ-1820:
---------------------------

The topology we want to have is as follows:

machine A: 
 masterBroker1
 slaveBroker2

machine B:
 masterBroker2
 slaveBroker1

or more machines to have pure master/slave pair

on client machine, we want to indicate only the masters:
failover://(tcp://masterBroker1:port, tcp://masterBroker2:port)
so the slaves are only used for replication purpose.

if any one broker regardless of master or slave dies, its corresponding master or slave will finish what it is doing but not accepting new messages or connections and all the messages will failover to the available masters.

Is this a feasible in the current release?

After all, the goal for us is to have network of brokers to have HA and slaves only for replication so messages are not lost. Thanks 


> Pure Master/Slave-kill the slave-master will not work
> -----------------------------------------------------
>
>                 Key: AMQ-1820
>                 URL: https://issues.apache.org/activemq/browse/AMQ-1820
>             Project: ActiveMQ
>          Issue Type: Bug
>         Environment: Tested on both solaris 9 sparc and windows XP with release ActiveMQ 5.1 release
> Tested ActiveMQ 5.1 release on xp only.
> on solaris, master and slave are two machines. on window xp, master and slave are on one machine with different ports.
>            Reporter: ying
>         Attachments: ActiveMQ5.1PureMasterSlaveTest.zip, masterSlaveTestCase.zip
>
>
> Step to reproduce:
> Test 1
> 1, Setup a Pure Master/Slave (master is using the original activemq.xml, slave is added masterConnectorURI="tcp://masterhost:62001" shutdownOnMasterFailure="false"
> 2, Kill the slave
> 3, Have a client to send a message to a queue.Master will not be able to function, see MasterTest1.log (WARN  TransportConnection            - Failed to add Connection
> javax.jms.JMSException: The destination topic://ActiveMQ.Advisory.Connection and admin console queues.jsp throws exceptions too)
> Test 2
> 1. Same as Test 1
> 2. Same as Test 1
> 3. restart the slave. Master will throw exception( on solaris master will throw exception, slave has no exception, on xp, both will throw exception and it is an infinite loop so I have to kill both) See MasterTest2.log for the exception
> 4. Have a client to send a message to a queue.Master will not be able to function, same exception as slave restart is thrown.
> Both MasterTest1.log MasterTest2.log files are the tests on solaris.
> Rest is a Win XP test for Test2, which has an infinite loop

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