[jboss-jira] [JBoss JIRA] Closed: (JBRULES-2872) NPE in AbstractCompositeRestriction when using unbound variables

NPE in AbstractCompositeRestriction when using unbound variables ---------------------------------------------------------------- Key: JBRULES-2872 URL: https://issues.jboss.org/browse/JBRULES-2872 Project: Drools Issue Type: Bug Security Level: Public(Everyone can see) Components: drools-compiler Affects Versions: 5.1.1.FINAL Reporter: Wolfgang Laun Assignee: Edson Tirelli Fix For: 5.2.1.Final, 5.3.0.CR1 This occurs with a pattern such as Cell( rowNo == $rano || == $rbno, colNo != $c1no && != $c2no, free contains $i ) where one or more of the bound variables $* are not bound in previous patterns. Exception in thread "main" java.lang.NullPointerException at org.drools.rule.AbstractCompositeRestriction.getRequiredDeclarations(AbstractCompositeRestriction.java:59) at org.drools.rule.MultiRestrictionFieldConstraint.getRequiredDeclarations(MultiRestrictionFieldConstraint.java:73) at org.drools.rule.Pattern.setConstraintType(Pattern.java:358) at org.drools.rule.Pattern.addConstraint(Pattern.java:226) at org.drools.rule.builder.PatternBuilder.build(PatternBuilder.java:432) at org.drools.rule.builder.PatternBuilder.buildConstraint(PatternBuilder.java:264) at org.drools.rule.builder.PatternBuilder.build(PatternBuilder.java:213) at org.drools.rule.builder.PatternBuilder.build(PatternBuilder.java:108) at org.drools.rule.builder.GroupElementBuilder.build(GroupElementBuilder.java:69) at org.drools.rule.builder.RuleBuilder.build(RuleBuilder.java:78) at org.drools.compiler.PackageBuilder.addRule(PackageBuilder.java:1203) at org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:629) at org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:278) at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:451) at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:28) at org.drools.examples.sudoku.rules.DroolsUtil.readKnowledgeBase(DroolsUtil.java:33) at org.drools.examples.sudoku.Main.<init>(Main.java:87) at org.drools.examples.sudoku.Main.main(Main.java:68)