I can't reproduce anything like this; can you show me a stack trace
(run jess.Main with -stacktrace to see a full error trace).
On Aug 2, 2007, at 6:12 PM, Skeptic 2000 wrote:
When I add a shadow fact with a property having a null value, I get
an exception (in updateMultiSlot IRRC).
JFL
> From: [EMAIL PROTECTED]
> Subject: Re: JESS: dealing with shadow facts having null properties
> Date: Thu, 2 Aug 2007 15:57:55 -0400
> To: jess-users@sandia.gov
>
> Jess has been able to handle null properties for a long time; 6.1p8
> can handle them, as can the current versions. What problem are you
> having, exactly?
>
> On Aug 2, 2007, at 2:19 PM, Skeptic 2000 wrote:
>
> >
> > Hi,
> >
> > I need to add in the working memory some shadow facts with
> > properties whose values are null. Currently, my workaround is to
> > use a "NullObject" to prevent Jess from crashing upon finding a
> > null value.
> >
> > Is it the recommended way to do it ?
> >
> > JFL
> >
> > Soyez parmi les premiers à essayer Windows Live Mail.
>
> ---------------------------------------------------------
> Ernest Friedman-Hill
> Advanced Software Research Phone: (925) 294-2154
> Sandia National Labs FAX: (925) 294-2234
> PO Box 969, MS 9012 [EMAIL PROTECTED]
> Livermore, CA 94550 http://www.jessrules.com
>
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