the information you have provided is for remote debugging. It'll make weblogic open a socket and than you can connect a remote debug thread to weblogic, usually using Eclipse or some other IDE.
The easyest way to debug is running weblogic from inside your tool. If you're using eclipse you can install weblogic eclipse plugin provided by oracle or even easyer will be if you use workshop and run weblogic inside it. It's gonna be only a matter of running the server in debug mode from IDE.
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