[bug] jamvm JNI fault

[graydon hoare]

hi,

I think I have isolated a bug in jamvm which causes subtle (but serious) 
incorrect behavior on the GTK JNI code. the bug is that if P is a parent 
class and C is a child class, then invoking a virtual method M on an 
object of class C, from jamvm's JNI, invokes P.M() rather than C.M(). so 
for example the event handlers on GtkGenericPeer are being fired when 
events arrive on GTK frames, even though the speciailzed versions in 
GtkFramePeer are supposed to be overriding.

I've attached a reduced testcase, in the form of a tarball which 
contains JNI and java sources, and a shell script which builds the 
problem program and runs it. you'll have to edit the script to make it 
work on your system, but it should be obvious.

I have not been able to immediately see which part of jamvm causes the 
fault. I'll continue to look through the sources for it on monday.

-graydon

jamvmbug.tar.gz
Description: GNU Zip compressed data

showbug.sh
Description: Bourne shell script