Retaining the option to cluster or not

jusi Jan 28, 2008 11:20 AM

Hi

I guess I know the answer to this, but anyway ...

We've got an application that includes stateless EJB3 session beans. To date, we've developed and tested against a single JBoss AS. I now want to convert our application to run against a clustered JBoss AS. The recommended approach is to annotate our SSBs with @Clustered. But I need to retain the option to run in a non-clustered environment. Do I have to go the XML configuration route to allow me that flexibility? Any other suggestions?

Thanks
Simon

1. Re: Retaining the option to cluster or not

brian.stansberry Jan 28, 2008 12:43 PM (in response to jusi)
You know the answer. ;-)

You need to use XML. Use system property substition to make it externally configurable:

<clustered>${com.foo.clustered:true}</clustered>

Then, to turn off clustering for the 'default' config

./run.sh -Dcom.foo.clustered=false

If you use the annotation, the container will see it and try to add clustering behavior. In the absence of the needed support services this will fail the deployment.
Actions