java.lang.OutOfMemoryError : Permgen space in eclipse

 java.lang.OutOfMemoryError  : Permgen space in eclipse

Step 1: Click on server

Step 2: Click on Open launch configuration

Step 3: Enter the following arguments in VM arguments.

-Dprogram.name=run.bat -Djava.endorsed.dirs="D:/jboss-4.2.3.GA/bin/../lib/endorsed" -Xms512m -Xmx1024m -XX:+UseParallelGC -XX:PermSize=256M -XX:MaxPermSize=512M
To change JBoss port while running
-Djboss.service.binding.set="ports-03
Program arguments:
-c default   or -c default –b 0.0.0.0