[jboss-jira] [JBoss JIRA] (DROOLS-841) No compilation failure is raised when using an unknown window name

[Mario Fusco (JIRA)]

Mario Fusco created DROOLS-841:
----------------------------------

             Summary: No compilation failure is raised when using an unknown window name
                 Key: DROOLS-841
                 URL: https://issues.jboss.org/browse/DROOLS-841
             Project: Drools
          Issue Type: Bug
            Reporter: Mario Fusco
            Assignee: Mario Fusco


When using an unknown window name no compilation failure is raised. Subsequently, when trying to create a KieBase out of the compiled rules, the following NPE is raised:

{code}
java.lang.NullPointerException
	at org.drools.core.reteoo.builder.WindowReferenceBuilder.build(WindowReferenceBuilder.java:40)
	at org.drools.core.reteoo.builder.PatternBuilder.attachPattern(PatternBuilder.java:117)
	at org.drools.core.reteoo.builder.PatternBuilder.build(PatternBuilder.java:78)
	at org.drools.core.reteoo.builder.AccumulateBuilder.build(AccumulateBuilder.java:67)
	at org.drools.core.reteoo.builder.PatternBuilder.attachPattern(PatternBuilder.java:117)
	at org.drools.core.reteoo.builder.PatternBuilder.build(PatternBuilder.java:78)
	at org.drools.core.reteoo.builder.GroupElementBuilder$AndBuilder.build(GroupElementBuilder.java:108)
	at org.drools.core.reteoo.builder.GroupElementBuilder.build(GroupElementBuilder.java:68)
	at org.drools.core.reteoo.builder.ReteooRuleBuilder.addSubRule(ReteooRuleBuilder.java:164)
	at org.drools.core.reteoo.builder.ReteooRuleBuilder.addRule(ReteooRuleBuilder.java:136)
	at org.drools.core.reteoo.ReteooBuilder.addRule(ReteooBuilder.java:102)
	at org.drools.core.impl.KnowledgeBaseImpl.addRule(KnowledgeBaseImpl.java:1521)
	at org.drools.core.impl.KnowledgeBaseImpl.addRule(KnowledgeBaseImpl.java:1501)
	at org.drools.core.impl.KnowledgeBaseImpl.internalAddPackages(KnowledgeBaseImpl.java:868)
	at org.drools.core.impl.KnowledgeBaseImpl.addPackages(KnowledgeBaseImpl.java:723)
	at org.drools.core.impl.KnowledgeBaseImpl.addKnowledgePackages(KnowledgeBaseImpl.java:277)
	at org.drools.compiler.kie.builder.impl.KieContainerImpl.createKieBase(KieContainerImpl.java:493)
	at org.drools.compiler.kie.builder.impl.KieContainerImpl.newKieBase(KieContainerImpl.java:452)
	at org.drools.compiler.kie.builder.impl.KieContainerImpl.newKieBase(KieContainerImpl.java:447)
	at org.kie.internal.utils.KieHelper.build(KieHelper.java:77)
	at org.drools.compiler.integrationtests.LengthSlidingWindowTest.checkPrice(LengthSlidingWindowTest.java:96)
	at org.drools.compiler.integrationtests.LengthSlidingWindowTest.testSlidingWindowWithDeclaration(LengthSlidingWindowTest.java:89)
{code}





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