SIOOBE (fatal) when compiling DRL declare...extends type with type arguments ---------------------------------------------------------------------------- Key: JBRULES-3040 URL: https://issues.jboss.org/browse/JBRULES-3040 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 import java.util.Set; declare Person extends Set<String> name : String end When compiled, this produces a crash due to: Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String index out of range: -1 at java.lang.String.substring(String.java:1937) at org.drools.compiler.PackageBuilder.fillSuperType(PackageBuilder.java:1103) at org.drools.compiler.PackageBuilder.processTypeDeclarations(PackageBuilder.java:1238) at org.drools.compiler.PackageBuilder.mergePackage(PackageBuilder.java:932) at org.drools.compiler.PackageBuilder.newPackage(PackageBuilder.java:920) at org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:631) at org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:310) at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:486) at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:28) I suggest using qualifiedIdentifier after "extends" (similar for 3039 in global) -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira