[Bug-kawa] [bug #42713] MalformedParameterizedTypeException thrown when compiling

[Per Bothner]

Update of bug #42713 (project kawa):

             Open/Closed:                  Closed => Open                   

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Follow-up Comment #4:

> It sure it ain't Kawa faults if the class is malformed, but Kawa should deal
with it the best it can. 

As far as I can tell, it's not actually malformed.  Rather the issue appears
to be that Kawa can't access teh classes involved.

> I don't think it's enough. It will work with this particular test case, but
if another similar classes is encountered, but this time has a protected or
public field, it will still fail. 
> The `rfield.getGenericType()` now in `gnu/bytecode/Field.java` will still
throw an exception in such potential case. 

But now the exception is only thrown if you actually access the field. In
which case an exception might not be out of place. Still, I agree a friendlier
error message would help.

However, there is a reasonable hope that Kawa will do a permission check
before it calls getType, in which case the current code is ok.

I'll think about it, but it would help if you could force an "unfriendly"
exception message (rather than a "friendly" permission-failed message).

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