Could you check to see if you have any error files. In the folder
ls $LOGSCAPE_HOME/work/JavaApp-1.0/14Jun26/*.err
The error files should provide a clue to what is wrong. The JavaApp will not report on jvm cpu statistics if you are running Java < 7 since the Runtime MBean was updated to include this in Java 7.
If you could reply with some of the exceptions if there are any