[rules-users] Drools 5.2.0-SNAPSHOT: NullPointerException in PatternBuilder#build

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 -- View this message in context: http://drools-java-rules-engine.46999.n3.nabble.com/Drools-5-2-0-SNAPSHOT... Sent from the Drools - User mailing list archive at Nabble.com.