Ted Neward wrote:

> The dynamic download of stubs is not mandated by the J2EE specification--in
> fact, you're flying directly in the face of the J2EE Spec, because dynamic
> download of stubs is not handled under the IIOP protocol, which is the
> preferred RMI protocol for EJB.


According to Sun's home page for RMI-IIOP (which can be found at
http://java.sun.com/products/rmi-iiop/):

     RMI over IIOP is based on two specifications of the Object
     Management Group:

         * Java Language Mapping to OMG IDL Specification
         * CORBA/IIOP 2.3.1 Specification, formal/99-10-07

The first specification (http://cgi.omg.org/cgi-bin/doc?ptc/00-01-06)
explicitly states that downloading *is* supported.  Section 1.4.9 is
titled "Code Downloading" and starts with this statement:

     Class downloading is supported for stubs, ties, values, and value
     helpers. The specification has been designed to be implementable
     using either JDK 1.1.6 or Java 2 APIs, allows transmission of
     codebase information on the wire for stubs and ties, and
     enables usage of pre-existing ClassLoaders when relevant.

The rest of the section documents the required mechanism in detail.

-- Larry

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