Should it be possible to share topics between different servers?

[crisb]

From the docs it looks like topics can be used across servers, but the XSD seems to prevent this.

The topic quickstart has a config like:

<server name="foo">

     <machine-ref id="foo1"/>

     <machine-ref id="foo2"/>

     <service id="topica" type="topic"/>

</server>

which works fine and both instances of foo receive the info.  But shouldnt I be able to subscribe to the topic as another server as well? ie.

<server name="foo">

     <machine-ref id="foo1"/>

     <machine-ref id="foo2"/>

     <service id="topica" type="topic"/>

</server>

<server name="bar">

     <machine-ref id="bar1"/>

     <machine-ref id="bar2"/>

     <service id="topica" type="topic"/>

</server>

at the moment this is disallowed as only one server can advertise a service with a given name.

[zhfeng]

at the moment this is disallowed as only one server can advertise a service with a given name.

yeah, you're right. why do you need to share the topic between the servers ?

"foo" and "bar" have the different business logic and all of them needs the same messages ?

Thanks,

Amos

[crisb]

well although the servers do have different business logic they also share some common functionality, so being able to receive the same message would be very advantageous.

[tomjenkinson]

We added this initially to ensure that each "server" is identical in the services it offers. We can relax this constraint if that doesn't make sense in your use case. If you would like this functionality adding please can you raise a Jira over here:

https://issues.jboss.org/browse/BLACKTIE

Thanks,

Tom

[crisb]

thanks a lot, raised BLACKTIE-441 for this.