[rules-dev] erroneous extends causes NPE in DRL compiler (5.5.0)

[Wolfgang Laun]

// Message is an existing pojo
//
declare CountedMessage extends Message
  count : int
end

Exception in thread "main" java.lang.NullPointerException
	at org.drools.base.ClassTypeResolver.resolveType(ClassTypeResolver.java:130)
	at org.drools.compiler.PackageBuilder.isNovelClass(PackageBuilder.java:2291)
	at org.drools.compiler.PackageBuilder.generateDeclaredBean(PackageBuilder.java:2473)
	at org.drools.compiler.PackageBuilder.processTypeDeclarations(PackageBuilder.java:2133)
	at org.drools.compiler.PackageBuilder.mergePackage(PackageBuilder.java:1272)
	at org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:869)
	at org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:466)
	at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:694)
	at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:51)
	at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:40)
	at express.Main.setup(Main.java:58)
	at express.Main.main(Main.java:118)