Drools compiler throws NPE -------------------------- Key: DROOLS-1064 URL: https://issues.jboss.org/browse/DROOLS-1064 Project: Drools Issue Type: Bug Components: core engine Affects Versions: 6.4.0.Beta1 Reporter: Tomi Pakarinen Assignee: Mario Fusco Following rule throws NPE. {noformat} Exception in thread "main" java.lang.NullPointerException at org.drools.core.rule.Declaration.getValueType(Declaration.java:206) at org.drools.compiler.rule.builder.PatternBuilder.isDateType(PatternBuilder.java:976) at org.drools.compiler.rule.builder.PatternBuilder.normalizeExpression(PatternBuilder.java:954) at org.drools.compiler.rule.builder.PatternBuilder.rewriteCompositeExpressions(PatternBuilder.java:931) at org.drools.compiler.rule.builder.PatternBuilder.rewriteCompositeExpressions(PatternBuilder.java:937) at org.drools.compiler.rule.builder.PatternBuilder.rewriteOrExpressions(PatternBuilder.java:911) at org.drools.compiler.rule.builder.PatternBuilder.buildExpression(PatternBuilder.java:907) at org.drools.compiler.rule.builder.PatternBuilder.buildCcdDescr(PatternBuilder.java:878) at org.drools.compiler.rule.builder.PatternBuilder.build(PatternBuilder.java:725) at org.drools.compiler.rule.builder.PatternBuilder.processConstraintsAndBinds(PatternBuilder.java:585) at org.drools.compiler.rule.builder.PatternBuilder.build(PatternBuilder.java:183) at org.drools.compiler.rule.builder.PatternBuilder.build(PatternBuilder.java:147) at org.drools.compiler.rule.builder.PatternBuilder.build(PatternBuilder.java:128) at org.drools.compiler.rule.builder.GroupElementBuilder.build(GroupElementBuilder.java:63) at org.drools.compiler.rule.builder.GroupElementBuilder.build(GroupElementBuilder.java:36) at org.drools.compiler.rule.builder.GroupElementBuilder.build(GroupElementBuilder.java:63) at org.drools.compiler.rule.builder.RuleBuilder.build(RuleBuilder.java:97) at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.addRule(KnowledgeBuilderImpl.java:1820) at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.compileRules(KnowledgeBuilderImpl.java:1111) at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.compileAllRules(KnowledgeBuilderImpl.java:989) at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.buildRules(CompositeKnowledgeBuilderImpl.java:257) at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.buildPackages(CompositeKnowledgeBuilderImpl.java:121) at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build(CompositeKnowledgeBuilderImpl.java:105) at org.drools.compiler.kie.builder.impl.AbstractKieModule.buildKnowledgePackages(AbstractKieModule.java:241) at org.drools.compiler.kie.builder.impl.AbstractKieProject.verify(AbstractKieProject.java:64) at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildKieProject(KieBuilderImpl.java:230) at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:198) at test.Application.createKieSession(Application.java:108) at test.Application.main(Application.java:73) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144) {noformat}