thanks Ashwin, all working now.

cheers,

Alistair

-- 
mov eax,1
mov ebx,0
int 80h




On 23 Jun 2011, at 20:03, Ashwin Karpe wrote:

> Hi,
> 
> There are several things here
> 
>    a> Are the subscribers truly durable ? 
>        In order to set up a durable subscription on a JMS endpoint, you
> must specify a client ID, which identifies this particular connection, and a
> durable subscription name, which identifies the durable subscriber. For
> example, the following route sets up a durable subscription to the JMS
> topic, news, with a client ID of conn01 and a durable subscription name of
> John.Doe:
> 
> from("activemq:topic:src).
> 
> to(""activemq:topic:dest?clientId=conn01&durableSubscriptionName=John.Doe");
> 
> Also check out this blog. It is pretty instructive
> 
> http://stefanlearninglog.blogspot.com/2009/07/persistent-jms-topics-using-activemq.html
> http://stefanlearninglog.blogspot.com/2009/07/persistent-jms-topics-using-activemq.html
>  
> 
>    b> Setting the persistent to "true" makes the broker a persistent broker
> however this is the default behavior of JMS per the JMS spec. The flag is
> interesting when set to "false". Hence you do not buy anything by explicitly
> setting this to true.
> 
>    c> Topics are only persistent if there are Durable subscribers, not
> otherwise... Messages are discarded in the absence of durable subscribers as
> there is no need to preserve them.
> 
> Cheers,
> 
> Ashwin...
> 
> 
> -----
> ---------------------------------------------------------
> Ashwin Karpe
> Apache Camel Committer & Sr Principal Consultant
> FUSESource (a Progress Software Corporation subsidiary)
> http://fusesource.com 
> 
> Blog: http://opensourceknowledge.blogspot.com 
> CamelOne 2011: http://fusesource.com/camel2011 
> ---------------------------------------------------------
> --
> View this message in context: 
> http://camel.465427.n5.nabble.com/Disappearing-topics-in-routes-tp4517076p4518662.html
> Sent from the Camel - Users mailing list archive at Nabble.com.

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