Manstis is right. It is reproducible. Please take a look at https://jira.jboss.org/browse/JBRULES-2749 We have to remove every declared function. Luckily we found this bug before go live. Regards leif Am 2010 11 2 21:37 schrieb "manstis" <michael.anstis(a)gmail.com&gt;: > > Hi, > > I ran your test with 5.1.1 and there was no problem. > > FYI, this type of enquiry should normally be sent to the drools' users > mailing list, not this dev' one. > > I assume you're using an older version; can you upgrade to 5.1.1? > > Cheers, > > Mike > -- > View this message in context: > http://drools-java-rules-engine.46999.n3.nabble.com/Function-Definition-p... > Sent from the Drools - Dev mailing list archive at Nabble.com. > _______________________________________________ > rules-dev mailing list > rules-dev(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-dev