[jboss-jira] [JBoss JIRA] Closed: (JBRULES-550) NPE while removing and adding same package

NPE while removing and adding same package ------------------------------------------ Key: JBRULES-550 URL: http://jira.jboss.com/jira/browse/JBRULES-550 Project: JBoss Rules Issue Type: Bug Security Level: Public(Everyone can see) Components: Drl Parser/Builder Affects Versions: 3.0.4 Environment: Windows Reporter: Ravi Godbole Assigned To: Edson Tirelli Fix For: 3.0.5 Attachments: StackTrace.txt, TestAddNew.drl, TestAddRule.java I am trying to reload the rule which is modified externally [ without stopping my rule engine which already has the mentioned rule loaded]. When adding is commented everything works well. // Code snippet as follows ruleBase = RuleBaseFactory.newRuleBase(); final Reader source = new InputStreamReader( RuleService.class.getResourceAsStream("/rules/" + "TestAddNew.drl" ) ); PackageBuilder builder = new PackageBuilder(); builder.addPackageFromDrl( source ); ruleBase.addPackage( builder.getPackage() ); workingMemory = ruleBase.newWorkingMemory( ); workingMemory.assertObject(new Object()); ruleBase.removePackage("com.test.one"); final Reader sourceOne = new InputStreamReader( RuleService.class.getResourceAsStream("/rules/" + "TestAddNew.drl" ) ); PackageBuilder builder_1 = new PackageBuilder(); builder_1.addPackageFromDrl( sourceOne ); ruleBase.addPackage( builder_1.getPackage() ); System.out.println("Rule successfully Added"); ///////////// Rule file ////////////////////////// package com.test.one import java.lang.Object; rule addNewRule no-loop true when eval( 1 > 2 ) then System.out.println("True evaluated"); end