Application Assembler Responsibilities
The bean provider is responsible for most of the deployment descriptor contents, but there’s still work to be done by the other roles as well. An application assembler builds applications from EJBs. The application assembler starts with the deployment information provided by one or more bean providers and adds to it or modifies it to compose an application. Most of the additions take place in the assembly-descriptor part of the deployment file.
The assembly-descriptor Element
The assembly-descriptor element is technically optional, but you would have trouble building a non-trivial application without using the declarative security and transactional mechanisms it controls. This element can contain any number ...
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