Troubleshooting Weblogic startup

if your Weblogic hangs while starting up, try the following:

- use the startWeblogic.sh in foreground more
- use lsof to check which files/sockets are open, and which libraries are loaded
- make sure you are using the right Unix user
- check for the existence of .lock file especially in the server/data/ldap directory
- use some JVM parameters such as -verbose:class print