Both EJB and Java bean contains "Bean" in their name, however they are not replaceable by each other. EJB technology is to develop distributed server side component/service, on other hand Java Bean is a simple class with accessor methods for its attributes (setter/getter) (As you said POJO). EJBs are not POJO. Read about <html:form> tag. tag should work with Java Bean (POJO).
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