Cannot use discover for a HA-JNDI for another partition

If a JBoss service wants to lookup another service that
is reference in the HA-JNDI service running in another
HA-Partition, automatic discovery cannot be used and
the only way to lookup this service is by using an
explicit PROVIDER_URL string.

Currently, when PROVIDER_URL is not specified, the
NamingContext will try to use the local server if available
or do a discoverServer otherwise, independently of any
JNP_PARTITION_NAME parameter that could have
been specified in the naming properties.

The source complain can be found here (as well as a
start of resolution):
http://www.jboss.org/modules.php?
op=modload&name=phpBB_14&file=index&action=viewt
opic&topic=26920&1

Work in progress. The fixed solution will most probably
keep a table of (partition name => locally available HA-
JNDI service) so that if the HA-JNDI service also runs
locally, no network broadcast is necessary.