stacktrace

Exception in thread "main" Thread.java:1436:in `getStackTrace': cannot convert instance of class org.jruby.RubyClass to class java.lang.Object (TypeError)
        from RubyException.java:143:in `setBacktraceFrames'
        from RaiseException.java:177:in `setException'
        from RaiseException.java:73:in `<init>'
        from Ruby.java:3264:in `newRaiseException'
        from Ruby.java:3100:in `newTypeError'
        from RubyClass.java:1330:in `toJava'
        from JavaEmbedUtils.java:283:in `rubyToJava'
        from ScriptingContainer.java:1168:in `runUnit'
        from ScriptingContainer.java:1160:in `runScriptlet'
        from DomainContainer.java:45:in `<init>'
        from DomainContainer.java:32:in `getInstance'
        from DomainRubySerializer.java:30:in `getScripting'
        from DomainRubySerializer.java:34:in `read'
        from Loader.java:18:in `loadDomainDefinition'
        from MainClass.java:42:in `main'
        ...internal jruby stack elided...
        from (unknown).(unknown)(:1)
Java Result: 1