users@glassfish.java.net

Re: EMBEDDED mode for JMS Service when using clusters

From: Nigel Deakin <Nigel.Deakin_at_Sun.COM>
Date: Fri, 08 Jan 2010 10:12:03 +0000

Dies,

If you're using a Glassfish cluster then the use of EMBEDDED MQ brokers is not supported because, although this
configuration does indeed work in almost all situations, there are still a some rare edge cases related to instance
failure that would not work properly.

Nigel

Dies Koper wrote:
> Hi,
>
> I have a question about the use of mode "EMBEDDED" (as opposed to
> LOCAL/REMOTE) for JMS Service when using clusters in GF V2.1.
>
> The GFv2.1.1 Administration Guide says that EMBEDDED passes networking
> stack, which sounds faster.
>
> http://docs.sun.com/app/docs/doc/821-0183/6nl8l6k8a?a=view#indexterm-461
>
> But it also says "EMBEDDED mode is not a supported configuration for a
> cluster.".
> I tried changing the JMS Service of a cluster's instance to EMBEDDED and
> my application worked fine. Why is this configuration not supported?