Here's a piece of advice that I have mentioned on this list before,
but keep forgetting to put into the manual: The JessException class
has a "getNextException" method. If the return value is non-null, it
means that the JessException is a wrapper for another exception that
occurred while Jess was calling some other code. The error message
here, "Error during execution," hints that this is what's happening
for you. Modify the Java code that's catching this exception to call
getNextException and, if the return value is non-null, display that
exception as well. That will probably tell you right away what is
happening.
I think Jason Smith wrote:
[Charset iso-8859-1 unsupported, filtering to ASCII...]
> I am trying to to clean up a Rete object before reuse but I am running into
> some problems. I get an exception when I try to execute the following
> command:
>
> rete.executeComand("(undefinstance *)");
>
> Does anyone have any ideas what could be causing this? I am using Jess
> 60b2. I have included the stacktrace of the Jess portion of the exception.
>
> Thanks,
> Jason
>
> StackTrace:
> ===========
> Jess reported an error in routine Funcall.execute
> while executing (undefinstance *).
> Message: Error during execution.
> Program text: ( undefinstance * ) at line 1.
> at jess.Funcall.execute(Funcall.java:277)
> at jess.Jesp.parseAndExecuteFuncall(Jesp.java:1583)
> at jess.Jesp.parseSexp(Jesp.java:183)
> at jess.Jesp.parse(Jesp.java:62)
> at jess.Rete.executeCommand(Rete.java:1164)
>
>
>
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---------------------------------------------------------
Ernest Friedman-Hill
Distributed Systems Research Phone: (925) 294-2154
Sandia National Labs FAX: (925) 294-2234
Org. 8920, MS 9012 [EMAIL PROTECTED]
PO Box 969 http://herzberg.ca.sandia.gov
Livermore, CA 94550
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