If we have J2EE 1.4 application (and application.xml v.1.4 inside EAR), can we have web modules and ejb modules from J2EE 1.3 (for example, web.xml for JSP 1.2 and ejb-jar.xml for EJB 2.0) ? Or they also must be J2EE 1.4 (JSP 2.0 and EJB 2.1) ? I can hardly find the answer on the web. J2EE specification does not mandate any version constraints on modules?
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subject: application.xml and web- / ejb- module deploy descriptors versions.