Unable remove a rule package when it was added after it has been added and removed ---------------------------------------------------------------------------------- Key: JBRULES-440 URL: http://jira.jboss.com/jira/browse/JBRULES-440 Project: JBoss Rules Issue Type: Bug Security Level: Public (Everyone can see) Environment: Windows2000 Advanced Server JBRules3.0.4 Reporter: song hanzeng Assigned To: Mark Proctor Unable remove a rule package when it was added after it has been added and removed. I have seen the issue [#JBRULES-358]. My test go a little far than [#JBRULES-358]. I remove the package again when it was added for the seconn time, then an exception was thrown. My test case is: public void testRuleBaseRemove() throws Exception { RuleBase ruleBase = RuleBaseFactory.newRuleBase(); File file = new File("test.drl"); //add and remove PackageBuilder builder = new PackageBuilder(); builder.addPackageFromDrl(new FileReader(file)); Package pkg = builder.getPackage(); ruleBase.addPackage(pkg); ruleBase.removePackage(pkg.getName()); //add and remove again builder = new PackageBuilder(); builder.addPackageFromDrl(new FileReader(file)); pkg = builder.getPackage(); ruleBase.addPackage(pkg); ruleBase.removePackage(pkg.getName()); } the exception is throw: java.lang.NullPointerException at org.drools.reteoo.HashedObjectSinkList.remove(HashedObjectSinkList.java:102) at org.drools.reteoo.ObjectTypeNode.remove(ObjectTypeNode.java:245) at org.drools.reteoo.AlphaNode.remove(AlphaNode.java:211) at org.drools.reteoo.AlphaNode.remove(AlphaNode.java:211) at org.drools.reteoo.LeftInputAdapterNode.remove(LeftInputAdapterNode.java:285) at org.drools.reteoo.TerminalNode.remove(TerminalNode.java:297) at org.drools.reteoo.ReteooBuilder.removeRule(ReteooBuilder.java:589) at org.drools.reteoo.ReteooRuleBase.removeRule(ReteooRuleBase.java:244) at org.drools.common.AbstractRuleBase.removePackage(AbstractRuleBase.java:338) at com.zte.ums.uep.pal.fm.osf.rules.core.RuleBaseTest.testRuleBaseRemove(RuleBaseTest.java:71) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at junit.framework.TestCase.runTest(TestCase.java:154) at junit.framework.TestCase.runBare(TestCase.java:127) at junit.framework.TestResult$1.protect(TestResult.java:106) at junit.framework.TestResult.runProtected(TestResult.java:124) at junit.framework.TestResult.run(TestResult.java:109) at junit.framework.TestCase.run(TestCase.java:118) at junit.framework.TestSuite.runTest(TestSuite.java:208) at junit.framework.TestSuite.run(TestSuite.java:203) at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:128) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196) -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.jboss.com/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira