Not checking for nulls is a debatable behavior :) In 5.6 you should be able to use the null safe accessor Business activity.!status == ... Which will be rewritten to do the check for you On Jul 16, 2014 4:33 AM, "braveheart85" <andrea.pacifico...@gmail.com> wrote:
> Yesterday I tried version 5.6. I have had a problem with the MVEL syntax. > > rule "RULE1" > $result: PersonData( businessActivity.status == "CLOSED" ) > end > > This rule that works in the version 5.5, now have a problem in version 5.6: > > unable to invoke method: > org.titan.registry.filter.BusinessActivityData.getStatus: target of method > is null > > The problem is that not all Person facts inside the working memory have a > business activity. NullPointer would be quite correct but in version 5.5 > the > behaviour was different... > > Maybe I'm abusing of your kindness. > Andrea > > > > -- > View this message in context: > http://drools.46999.n3.nabble.com/Problem-when-I-cleaning-the-production-memory-tp4030341p4030367.html > Sent from the Drools: User forum mailing list archive at Nabble.com. > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users >
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