Michael, I think the class is just incidentally named ValidationError. The problem is in the "wiring" of the accessors into the FieldDefinition (you see that "accessor=null" at the end of the toString in the failing case). This wiring is done by the PackageBuilder when the DRL is compiled, so I suspect that there is a problem with the interaction of the data modeller and the package builder..
Jarkko, thanks for reporting this, it really looks like a WB bug! Could you please open a JIRA ticket? Davide On 03/15/2014 04:09 PM, Michael Anstis wrote: > > ValidationError is indeed an *internal* workbench class. What makes > you think you can query for it? > > Sent on the move > > On 15 Mar 2014 12:00, "JarkkoMakela" <jarkko.matinpo...@gmail.com > <mailto:jarkko.matinpo...@gmail.com>> wrote: > > This ValidationError is created with drools workbench data > modeller. It has > only String fields. > I have only couple of rules (which will create two > ValidationErrors) and one > query (for the ValidationError) in the knowledgebase. > > > -Jarkko > > > > -- > View this message in context: > > http://drools.46999.n3.nabble.com/NullPointerException-with-factType-get-fact-fieldname-tp4028688p4028744.html > Sent from the Drools: User forum mailing list archive at Nabble.com. > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org <mailto:rules-users@lists.jboss.org> > https://lists.jboss.org/mailman/listinfo/rules-users > > > > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users
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