> BTW, you should always compile the release jar on JDK1.3,
> as a 1.4 built one often doesn't run on JDK 1.2/1.3.
> Do you have a reference to this documented somewhere? I had not heard
this.
I'm not going to look up specific methods, but the issue is that if JDK 1.3
has a method Class#f(Object), and JDK 1.4 has Class#f(Derived), then the
following is not compatible: f(new Derived). The later JDK would use the
more specific method signature, which will not be present in the earlier
JRE, so you must compile with the older JDK.
--- Noel
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