Can you run any Java applications on the testing server? If so, can you run Tomcat on the testing server? Can you run JBoss AS without having your application deployed? Usually, if the JVM crashes, the cause is either: 1) A bad JVM download, in which case downloading again would fix this (try 1.5.0_11). 2) A bad driver, usually a bad network driver. In this case you have to find an install a fixed driver. 3) A bad supporting library. A mismatch between the libraries for which the JVM was compiled and the actual libraries on the system can cause this. But this usually happens only if the OS and JVM are really out of sync (for example, a very old OS with a recent JVM). If none of these suggestions help, you might have to contact Sun because the JVM is their responsibility. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4089413#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...