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From Dejan Bosanac <de...@nighttale.net>
Subject Re: Distributed brokers and faiovers
Date Tue, 06 Oct 2009 10:39:50 GMT
Hi,

if you use failover URI like failover:(tcp://host1:61616, tcp://host2:61616)
in your ActiveMQConnectionFactory, it will pick one of these brokers and try
to connect. If it fails (or the connection is dropped later) it will try
another one.

Cheers
--
Dejan Bosanac - http://twitter.com/dejanb

Open Source Integration - http://fusesource.com/
ActiveMQ in Action - http://www.manning.com/snyder/
Blog - http://www.nighttale.net


On Mon, Oct 5, 2009 at 9:14 PM, farshad <teez_housh@hotmail.com> wrote:

>
> Hi Dejan,
>
> Thanks for the reply.  On the link you sent I read:
>
> "The Failover configuration syntax allows you to specify any number of
> composite uris. The Failover transport randomly chooses one of the
> composite
> URI and attempts to establish a connection to it. If it does not succeed or
> if it subsequently fails, a new connection is established to one of the
> other uris in the list."
>
> So, if I have a network of 3 brokers specifed staticaly in my config file
> and having also specified the failover:// protocol how does ActiveMQ fail
> an
> initial connection to one broker to another?  Or does it?
>
> I use an ActiveMQConnectionFactory which needs to be connected to a broker
> URL specifically.  So, if that broker is down do I need to try a different
> broker myself or does ActiveMQ's failover would connect to a different
> broker?  If so, how?
>
> Thanks,
> Farshad
>
>
>
> Dejan Bosanac wrote:
> >
> > Hi,
> >
> > check out failover transport
> > http://activemq.apache.org/failover-transport-reference.html
> >
> > Cheers
> > --
> > Dejan Bosanac - http://twitter.com/dejanb
> >
> > Open Source Integration - http://fusesource.com/
> > ActiveMQ in Action - http://www.manning.com/snyder/
> > Blog - http://www.nighttale.net
> >
> >
> > On Fri, Oct 2, 2009 at 7:12 PM, farshad <teez_housh@hotmail.com> wrote:
> >
> >>
> >> Hi,
> >>
> >> I am new to ActiveMQ and am trying to use it in a distributed way.  I
> >> statically define my brokers as:
> >>
> >>
> <networkConnectoruri="static://(tcp://host1:61616,tcp://host2:61616,tcp://host3:61616,tcp://host4:61616)"/>
> >>
> >> And
> >> <transportConnector name="openwire" uri="tcp://localhost:61616" />
> >>
> >> I connect to host1 and place some messages in a queue.  I want to shut
> >> down
> >> host1 and be able to be a producer and consumer of that same queue
> >> connecting to a different broker.  Can I do that?  What is the failover
> >> machanism?
> >>
> >> Thank you in advance
> >>
> >> --
> >> View this message in context:
> >>
> http://www.nabble.com/Distributed-brokers-and-faiovers-tp25716906p25716906.html
> >> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
> >>
> >>
> >
> >
> > -----
> > Dejan Bosanac
> >
> > Open Source Integration - http://fusesource.com/
> > ActiveMQ in Action - http://www.manning.com/snyder/
> > Blog - http://www.nighttale.net
> >
>
> --
> View this message in context:
> http://www.nabble.com/Distributed-brokers-and-faiovers-tp25716906p25755942.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>
>

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