users@glassfish.java.net

Re: EJB 3.1 _at_Singleton + Clustering ??

From: Alexis Moussine-Pouchkine <alexis.mp_at_sun.com>
Date: Mon, 21 Dec 2009 10:43:42 +0100

Java EE and specifically EJB specifications never mention clustering
explicitly and as such do not define whether this is a per-JVM or
cluster-wide feature.
AFAIK, this is left as a product implementation decision (there are no
JavaEE 6 cluster-aware products on the market just yet).
-Alexis

On Dec 20, 2009, at 23:51, glassfish_at_javadesktop.org wrote:

> It was my understanding that there would be a singleton instance per
> JVM. With that in mind, what is the issue with this in terms of
> clustering? It's a singleton, so you don't need to replicate
> anything across the cluster? Maybe I am misunderstanding why this
> might be any issue at all?
> [Message sent by forum member 'andjarnic' (andjarnic_at_yahoo.com)]
>
> http://forums.java.net/jive/thread.jspa?messageID=371976
>
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