[jboss-jira] [JBoss JIRA] Created: (JBRULES-3047) NPE (fatal) when using bound var to non-existing field in eval

Wolfgang Laun (JIRA) jira-events at lists.jboss.org
Mon May 23 07:41:00 EDT 2011


NPE (fatal) when using bound var to non-existing field in eval
--------------------------------------------------------------

                 Key: JBRULES-3047
                 URL: https://issues.jboss.org/browse/JBRULES-3047
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
    Affects Versions: 5.2.0.M2
            Reporter: Wolfgang Laun
            Assignee: Mark Proctor
             Fix For: 5.2.0.CR1


rule foo
when
    Integer( $i : noSuchValue )
    eval( $i > 0 )
then
end

Exception in thread "main" java.lang.NullPointerException
	at org.drools.rule.builder.dialect.java.DeclarationTypeFixer.fix(DeclarationTypeFixer.java:9)
	at org.drools.rule.builder.dialect.java.AbstractJavaRuleBuilder.createVariableContext(AbstractJavaRuleBuilder.java:95)
	at org.drools.rule.builder.dialect.java.JavaEvalBuilder.build(JavaEvalBuilder.java:79)
	at org.drools.rule.builder.dialect.java.JavaEvalBuilder.build(JavaEvalBuilder.java:40)
	at org.drools.rule.builder.GroupElementBuilder.build(GroupElementBuilder.java:65)
	at org.drools.rule.builder.RuleBuilder.build(RuleBuilder.java:81)
	at org.drools.compiler.PackageBuilder.addRule(PackageBuilder.java:1648)
	at org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:699)
	at org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:317)
	at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:495)
	at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:28)



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