NPE in Pattern Builder (invalid unification usage)
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Key: JBRULES-3071
URL:
https://issues.jboss.org/browse/JBRULES-3071
Project: Drools
Issue Type: Bug
Security Level: Public (Everyone can see)
Components: drools-compiler (expert)
Affects Versions: 5.2.0.CR1
Reporter: Wolfgang Laun
Assignee: Mark Proctor
Fix For: 5.2.0
class Person { String name; }
$p1: Person( $name := name, age < 20 )
$p2: Person( $name; )
Exception in thread "main" java.lang.NullPointerException
at org.drools.rule.builder.PatternBuilder.processPositional(PatternBuilder.java:372)
at
org.drools.rule.builder.PatternBuilder.processConstraintsAndBinds(PatternBuilder.java:341)
at org.drools.rule.builder.PatternBuilder.build(PatternBuilder.java:262)
at org.drools.rule.builder.PatternBuilder.build(PatternBuilder.java:120)
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:1769)
at org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:743)
at org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:358)
at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:536)
at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:28)
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