I have spent some time on the ipv6 address issue affecting the jndi implementation. A few changes are needed: 1. Change the Naming cache to use InetSocketAddress as the key rather than the host + ":" port string. 2. Add an alternate host + "@" port url syntax so that one can specify an ipv6 address and a port. 3. If there are multiple ':' in a provider url, we have to assume its an IPv6 address with no port. The only way a port can be specified with an IPv6 address is by using the '@' separator as in: ::ffff:127.0.0.1@1099 I have these changes in the naming project trunk with a simple IPv6UnitTest. What is the time frame this needs to be done for the 4.2.x branch? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4203491#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...