You probably did not compile the optional jess.reflect package. Please read
Section 1.1.2 of the Jess README file, which explains:
There are a number of optional source files in the subdirectories
Jess41b2/jess/view/, Jess41b2/jess/reflect/ and
Jess41b2/jess/examples/* that aren't compiled if you follow the
instructions above. These files define the optional debugging command
view, the 'reflection' commands new, call, set, get, set-member, and
get-member, and the Java object matching commands defclass and
definstance. They can be compiled only with Java 1.1 or later. If you
have such a compiler, then you can issue a command like
javac jess/*.java jess/view/*.java jess/reflect/*.java jess/examples/*/*.java
to compile everything (or use the Makefile, of course.)
I think Hue Le wrote:
>
> Hi,
> I try to run java jess.Main jess/examples/pumps/pumps.clp on SGI (JDK1.1.3) and Sun
>2.6 (JDK1.1.3)
> and got the error message:
> Rete Exception in routine Funcall::simpleExecute.
> Message: Unimplemented function defclass at line 7: ( defclass tank
>jess.examples.pumps.Tank ) .
---------------------------------------------------------
Ernest Friedman-Hill
Distributed Systems Research Phone: (510) 294-2154
Sandia National Labs FAX: (510) 294-2234
Org. 8920, MS 9214 [EMAIL PROTECTED]
PO Box 969 http://herzberg.ca.sandia.gov
Livermore, CA 94550
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