[jboss-jira] [JBoss JIRA] Updated: (JBRULES-1091) NullPointerException when the 'result' block of an 'accumulate' function returns null

NullPointerException when the 'result' block of an 'accumulate' function returns null ------------------------------------------------------------------------------------- Key: JBRULES-1091 URL: http://jira.jboss.com/jira/browse/JBRULES-1091 Project: JBoss Rules Issue Type: Bug Security Level: Public(Everyone can see) Affects Versions: 4.0.0.GA Reporter: Alexandre Gattiker Assigned To: Mark Proctor Fix For: 4.0.1 java.lang.NullPointerException at org.drools.common.DefaultFactHandle.<init>(DefaultFactHandle.java:73) at org.drools.reteoo.ReteooFactHandleFactory.newFactHandle(ReteooFactHandleFactory.java:34) at org.drools.common.AbstractFactHandleFactory.newFactHandle(AbstractFactHandleFactory.java:57) at org.drools.common.AbstractFactHandleFactory.newFactHandle(AbstractFactHandleFactory.java:48) at org.drools.reteoo.AccumulateNode.assertTuple(AccumulateNode.java:176) at org.drools.reteoo.SingleTupleSinkAdapter.createAndPropagateAssertTuple(SingleTupleSinkAdapter.java:55) at org.drools.reteoo.LeftInputAdapterNode.assertObject(LeftInputAdapterNode.java:131) at org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:20) at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:168) at org.drools.reteoo.Rete.assertObject(Rete.java:168) at org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:190) at org.drools.reteoo.ReteooWorkingMemory$WorkingMemoryReteAssertAction.execute(ReteooWorkingMemory.java:163) at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:1241) at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:858) at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:822) at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:623) at com.sample.DroolsTest.main(DroolsTest.java:28) Example rule: rule "Example" no-loop true when $d: Double() from accumulate ( m : Message( $value: status ), init( double total = 0; ), action( System.out.println($value); ), result( null ) ) then System.out.println( "xx"); end