could you attach your log file ?
Also is the IPv6 is enabled on your linux ?
If so then it is probably an bug of JDK as described in
http://www.jboss.org/community/wiki/IPv6:
"On Linux, IPv6 doesn't work (see below) due to a bug in the JDKs up to and including JDK 5. Mustang (JDK 6) fixed this, but I could not verify that it works on RHAT fedora core 5. So, on Linux, with SUN's VM, you have to use -Djava.net.preferIPv4Stack
=true, until you switch to JDK 6. I haven't tried this on JRockit or IBM's VM."