[jboss-jira] [JBoss JIRA] (DROOLS-1181) NullPointerException in LogicTransformer

[Sjoerd Cranen (JIRA)]

Sjoerd Cranen created DROOLS-1181:
-------------------------------------

             Summary: NullPointerException in LogicTransformer
                 Key: DROOLS-1181
                 URL: https://issues.jboss.org/browse/DROOLS-1181
             Project: Drools
          Issue Type: Bug
          Components: core engine
    Affects Versions: 6.4.0.Final
            Reporter: Sjoerd Cranen
            Assignee: Mario Fusco


When an enum constant is used in the context of an _or_-operator as a positional argument to a query, a NullPointerException is thrown with the following stack trace:
{code}
java.lang.NullPointerException
	at org.drools.core.rule.LogicTransformer.processElement(LogicTransformer.java:230)
	at org.drools.core.rule.LogicTransformer.processElement(LogicTransformer.java:251)
	at org.drools.core.rule.LogicTransformer.fixClonedDeclarations(LogicTransformer.java:154)
	at org.drools.core.rule.LogicTransformer.transform(LogicTransformer.java:97)
	at org.drools.core.definitions.rule.impl.RuleImpl.getTransformedLhs(RuleImpl.java:620)
	at org.drools.core.reteoo.builder.ReteooRuleBuilder.addRule(ReteooRuleBuilder.java:108)
	at org.drools.core.reteoo.ReteooBuilder.addRule(ReteooBuilder.java:106)
	at org.drools.core.impl.KnowledgeBaseImpl.addRule(KnowledgeBaseImpl.java:1567)
	at org.drools.core.impl.KnowledgeBaseImpl.addRule(KnowledgeBaseImpl.java:1547)
	at org.drools.core.impl.KnowledgeBaseImpl.internalAddPackages(KnowledgeBaseImpl.java:920)
	at org.drools.core.impl.KnowledgeBaseImpl.access$000(KnowledgeBaseImpl.java:117)
	at org.drools.core.impl.KnowledgeBaseImpl$1.run(KnowledgeBaseImpl.java:708)
	at org.drools.core.impl.KnowledgeBaseImpl.enqueueModification(KnowledgeBaseImpl.java:716)
	at org.drools.core.impl.KnowledgeBaseImpl.addPackages(KnowledgeBaseImpl.java:705)
	at org.drools.core.impl.KnowledgeBaseImpl.addKnowledgePackages(KnowledgeBaseImpl.java:273)
	at org.drools.compiler.kie.builder.impl.KieContainerImpl.createKieBase(KieContainerImpl.java:510)
	at org.drools.compiler.kie.builder.impl.KieContainerImpl.getKieBase(KieContainerImpl.java:447)
...
{code}



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