Unable to connect to http://localhost:8080/openacs/acs getting 500 internal error for Openacs server

Question

Installed Jboss 4.2.2.GA

java -version java version "1.5.0_20" Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_20-b02) Java HotSpot(TM) 64-Bit