RMI support? (fwd)
sjaiman at ennovatenetworks.com
Thu Jan 7 06:42:24 PST 1999
Sorry for the late reply... I did some inestigation in trying to make Ninja
RMI work with kaffe 1.0.b1 and b2. Ninja RMI uses Sun's Serialization
classes. Since they were not available, RMI did not work. I don't
remember if I tried to pull the Serialization class files to fill in the gaps.
In any case, if I did do that, that probably would have been illegal
from "shipping the classes with the product" point of view.
Godmar Back wrote:
> > Godmar Back wrote:
> > >
> > > Chris, it would be great if you let the list know what you find out
> > > with regards to Ninja's compatibility.
> > >
> > > You are bound to find bugs in kaffe's serialization implementation, in part
> > > because it is incomplete. However, I do not think that the problem is lack
> > > of knowledge of the native methods that Sun uses to implement their pickling
> > > and the like. Some known problems that are mentioned in the FAQ include
> > > that kaffe's object serialization does not follow spec; for instance, it
> > > does not compute serialversion uid according to the algorithm described by
> > > Sun.
> > >
> > > As an aside, I should point out that RMI worked in the last pre-1.0b1
> > > snapshot --- when kaffe still used Sun's classes.zip and implemented the
> > > native methods by guessing --- so ironically we got those native methods
> > > upon which Sun's implementation relies right. The current problems lie in
> > > the Java part, which is no longer based on any code from Sun.
> > I should be able to answer this for you early in the new year. Out of
> > curiosity, is there any reason why we aren't using Sun's method for
> > computing serialversion uid?
> It's not yet implemented. That's the only reason.
> We must indeed use Sun's method for interoperability. The algorithm is
> part of the "spec"; Sun's implementation is not and must be recreated.
> - Godmar
_____ ____ _ _ _____ ____ __ __Sanjay Jaiman, Network Management
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