Could you try 5.6.0-SNAPSHOT? Thanks Davide On 10/15/2013 10:53 AM, Bransford-Koons, Geoff wrote: > > I'm trying to update our application from Drools 4.0.7 to Drools 5.5 > (or 5.3 if that's better). > > > > All the rules compile and I am serializing the KnowledgeBase and > reading it in upon application start-up. > > > > Inserting facts works find. Retracting can often return the > NullPointerException shown below. That clip comes from a unit test > that literally just inserts 10 "TestFact" objects and then tries to > retract them one at a time. No rule firing happens, just insertion > and retraction. I did try adding a rule firing in between the insert > and retraction loops but it made no difference. These "TestFact" > object don't actually trigger any rules if that matters. > > > > I've tried this with both the Drools 5.5.0.Final and 5.3.0.Final jars > with the same results. Searches on the forum and on Google show this > as a bug in 5.5.0.Final, but say it should work in 5.3.0.Final. It > doesn't work on either for me. > > > > I am going to try some variations on this test, but it seems like this > should work as-is. > > > > Any suggestions would be greatly appreciated. > > > > 2013-10-14 11:56:02,533 (ERROR) [AgdKnowledgeSession] caught exception > trying to retract TestFact [name=testfact-0] > > _java.lang.NullPointerException_ > > at > org.drools.core.util.RightTupleIndexHashTable.remove(_RightTupleIndexHashTable.java:365_) > > at org.drools.reteoo.NotNode.retractRightTuple(_NotNode.java:172_) > > at > org.drools.reteoo.ObjectTypeNode.retractObject(_ObjectTypeNode.java:257_) > > at > org.drools.reteoo.EntryPointNode.retractObject(_EntryPointNode.java:330_) > > at > org.drools.common.NamedEntryPoint.retract(_NamedEntryPoint.java:542_) > > at > org.drools.common.NamedEntryPoint.retract(_NamedEntryPoint.java:486_) > > at > com.teradata.agd.AgdKnowledgeSession.retract(_AgdKnowledgeSession.java:134_) > > at > com.teradata.agd.AgCoreManager.executeFactEvent(_AgCoreManager.java:279_) > > at > com.teradata.agd.AgCoreManager.executeRuleEngine(_AgCoreManager.java:189_) > > at com.teradata.agd.AgCoreManager.enqueue(_AgCoreManager.java:259_) > > at > com.teradata.agd.AgCoreManager.retractFact(_AgCoreManager.java:480_) > > at > com.teradata.agdtest.functional.FactInsertionAndRetractionTest.testFactInsertion(_FactInsertionAndRetractionTest.java:50_) > > at sun.reflect.NativeMethodAccessorImpl.invoke0(_Native Method_) > > at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) > > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) > > at java.lang.reflect.Method.invoke(Unknown Source) > > at > org.testng.internal.MethodInvocationHelper.invokeMethod(_MethodInvocationHelper.java:84_) > > at org.testng.internal.Invoker.invokeMethod(_Invoker.java:714_) > > at org.testng.internal.Invoker.invokeTestMethod(_Invoker.java:901_) > > at > org.testng.internal.Invoker.invokeTestMethods(_Invoker.java:1231_) > > at > org.testng.internal.TestMethodWorker.invokeTestMethods(_TestMethodWorker.java:127_) > > at > org.testng.internal.TestMethodWorker.run(_TestMethodWorker.java:111_) > > at org.testng.TestRunner.privateRun(_TestRunner.java:767_) > > at org.testng.TestRunner.run(_TestRunner.java:617_) > > at org.testng.SuiteRunner.runTest(_SuiteRunner.java:335_) > > at org.testng.SuiteRunner.runSequentially(_SuiteRunner.java:330_) > > at org.testng.SuiteRunner.privateRun(_SuiteRunner.java:291_) > > at org.testng.SuiteRunner.run(_SuiteRunner.java:240_) > > at > org.testng.SuiteRunnerWorker.runSuite(_SuiteRunnerWorker.java:52_) > > at org.testng.SuiteRunnerWorker.run(_SuiteRunnerWorker.java:86_) > > at org.testng.TestNG.runSuitesSequentially(_TestNG.java:1224_) > > at org.testng.TestNG.runSuitesLocally(_TestNG.java:1149_) > > at org.testng.TestNG.run(_TestNG.java:1057_) > > at org.testng.remote.RemoteTestNG.run(_RemoteTestNG.java:111_) > > at > org.testng.remote.RemoteTestNG.initAndRun(_RemoteTestNG.java:204_) > > at org.testng.remote.RemoteTestNG.main(_RemoteTestNG.java:175_) > > > > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users
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