Before you begin
If you want to use existing J2EE 1.2 Web modules in your J2EE 1.3 application, migrate them to J2EE 1.3 first.Note: This task only applies to J2EE application clients.
Why and when to perform this task
Assemble a client module to contain application client code. (Group enterprise beans, Web components, and resource adapter code in separate modules).Steps for this task
What to do next
Assemble other new modules of your choice, if needed:
You can also migrate existing modules.
Another option is to proceed directly to assembling a new application module. While assembling an application module, you can create any new modules that you need.