JAV2I12 — Should Portability APIs throw SystemException?

Summary: This item arises from the Java-to-IDL Mapping RFP, but is also of
concern to the IDL-to-Java RTF because it affects the IDL-to-Java
mapping.

Three of the new portability APIs intorduced by the Java to IDL mapping
are declared as throwing org.omg.CORBA.SystemException. These are
the _invoke methods of ObjectImpl and Delegate and the _invoke method
of InvokeHandler. I don"t think this exception hould be declared
explicitly, since it is a subclass of java.lang.RuntimeException and so
is always implictly throwable whether it is declared or not. Also,
other portability APIs can throw this exception even though they do not
declare it explicitly. This inconsistency makes it very difficult for
the reader of the spec to determine which of the portability APIs can
throw CORBA system exceptions, and is likely to cause confusion.

I propose that org.omg.CORBA.SystemException be removed from the throws
clause of the above-mentioned APIs.

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