Re: [rules-users] NPE after rule consequence executes

Sorry, the NPE is in ReteTuple.get(Declaration) Scott Reed's message received 4/8/2008 7:38 PM: Running Drools 4.0.3, on Win 2k sp4, JDK 1.6.0_03. > > I am getting this exception after the debugger shows execution has gone > past the end of the rule. The exception is occurring in > ReteTuple.get(Descriptor). I believe the descriptor argument is null. Can > anyone suggest why this might be happening and what I can do to avoid it? > Thanks, > Scott > > java.lang.NullPointerException > at org.drools.reteoo.ReteTuple.get(ReteTuple.java:97) > at > org.fp.findata.Rule_2MS__Calculate_now_scheduled_or_periodic_transaction_0ConsequenceInvoker.evaluate(Rule_2MS__Calculate_now_scheduled_or_periodic_transaction_0ConsequenceInvoker.java:19) > > at > org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:550) > at > org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:514) > at > org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:471) > > at > org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:433) > > at > org.fp.rules.RuleEngineManager$RunTask.run(RuleEngineManager.java:225) > org.drools.spi.ConsequenceException: java.lang.NullPointerException > at > org.drools.base.DefaultConsequenceExceptionHandler.handleException(DefaultConsequenceExceptionHandler.java:14) > > at > org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:554) > at > org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:514) > at > org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:471) > > at > org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:433) > > at > org.fp.rules.RuleEngineManager$RunTask.run(RuleEngineManager.java:225) > Caused by: java.lang.NullPointerException > at org.drools.reteoo.ReteTuple.get(ReteTuple.java:97) > at > org.fp.findata.Rule_2MS__Calculate_now_scheduled_or_periodic_transaction_0ConsequenceInvoker.evaluate(Rule_2MS__Calculate_now_scheduled_or_periodic_transaction_0ConsequenceInvoker.java:19) > > at > org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:550) > ... 4 more > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > > _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users