remote debugging with Weblogic 8.1

I m trying to debug my ejb code in weblogic 8.1 using Intellij 4.0. When i step thru the code, i m able to see the instance variable values, but unable to see the values of local variable(stack variables). It displays a message on the debug window "local Debug info not available".

I have compiled all my java code using -g option.

What extra needs to be done to see the values of local variables,

Appreciate your help,

thanks
venkat