I have tested JBoss3.0.0alpha on Sun 1.3.1 VM, Windows 2000 (196MB RAM). I've created and deployed some application -- it worked well all the time. So, we decided to move it to another computer, where it should run in the end. The environment was IBM 1.3.0 VM, Red Hat Linux 7.1 (128MB RAM). However, we found it is much slower, so we've decided to add some RAM.
After exchanging the RAM chip with 256MB chip, JBoss startup and deployment failed and in many points of startup I've got following exception: