I had the same problem and I've found that it can be fixed by adding this option to java:
-Djava.net.preferIPv4Stack=true In Debian installation, edit /etc/default/tomcat6 and edit line with JAVA_OPTS -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org