[armedbear-devel] Exception Handling

Peter Olsen pcolsen at gmail.com
Thu Dec 17 19:50:25 UTC 2009

Ladies and Gentlemen,

I'm writing to ask how to handle exceptions generated in Java code called
from ABCL.

I'm part of a group trying to combine an existing Common Lisp back-end with
an existing Java front end.  We've pretty much decided that ABCL is the best
way to do that, using Alan Ruttenberg's Java Syntax Solution to make Java
calls back to the front-end from Lisp.

One problem we're facing is how to handle gracefully exceptions generated in
Lisp code called from Java.  In our case, we'll need to make calls back to
the Java front-end to get user information and to display results.  Some of
these calls throw exceptions.  What is the best way to catch these?

I'd also like any thoughts on the comparative advantages of using the JSS as
opposed to the native ABCL calls.


Peter Olsen

Peter Olsen, P.E., Ae.E.
olsen at sigmaxi.net

Engineering is the art of using a professional knowledge of mathematics and
the physical sciences to get things done.
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