[rules-users] Drools 5.2.0-SNAPSHOT: NullPointerException in PatternBuilder#build
ljnelson
ljnelson at gmail.com
Thu Mar 24 12:40:32 EDT 2011
See https://issues.jboss.org/browse/JBRULES-2932.
Stack:
Caused by: java.lang.NullPointerException
at org.drools.rule.builder.PatternBuilder.build(PatternBuilder.java:323)
at org.drools.rule.builder.PatternBuilder.build(PatternBuilder.java:268)
at org.drools.rule.builder.PatternBuilder.build(PatternBuilder.java:107)
at
org.drools.rule.builder.GroupElementBuilder.build(GroupElementBuilder.java:65)
at
org.drools.rule.builder.GroupElementBuilder.build(GroupElementBuilder.java:39)
at
org.drools.rule.builder.GroupElementBuilder.build(GroupElementBuilder.java:65)
at
org.drools.rule.builder.GroupElementBuilder.build(GroupElementBuilder.java:39)
at
org.drools.rule.builder.GroupElementBuilder.build(GroupElementBuilder.java:65)
at org.drools.rule.builder.RuleBuilder.build(RuleBuilder.java:80)
at org.drools.compiler.PackageBuilder.addRule(PackageBuilder.java:1313)
at org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:664)
at
org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:310)
at
org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:483)
at
org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:28)
This is on a (monstrous) rules file that has compiled fine for months under
5.1.1 and under earlier 5.2.0-SNAPSHOT versions.
Best,
Laird
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