[jbpm-users] Problema in Example "ConcurrencyGraphBased"

Hi Guys, I am trying to run ConcurrencyGraphBased example. When I tried to start a new process instance, I've gotten this error: 15:01:47,710 ERROR [STDERR] 10523781 [http-127.0.0.1-80-3] ERROR org.jboss.resteasy.core.SynchronousDispatcher - failed to execute 15:01:47,710 ERROR [STDERR] javax.ws.rs.WebApplicationException: java.lang.RuntimeException: Unexpected invocation exception: null 15:01:47,710 ERROR [STDERR] at org.jboss.bpm.console.server.ProcessMgmtFacade.newInstance(ProcessMgmtFacade .java:194) 15:01:47,710 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 15:01:47,710 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39 ) 15:01:47,710 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl .java:25) 15:01:47,710 ERROR [STDERR] at java.lang.reflect.Method.invoke(Method.java:597) 15:01:47,710 ERROR [STDERR] at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:11 7) 15:01:47,710 ERROR [STDERR] at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:26 0) 15:01:47,711 ERROR [STDERR] at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:232) 15:01:47,711 ERROR [STDERR] at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:166) 15:01:47,711 ERROR [STDERR] at org.jboss.resteasy.core.DispatcherUtilities.getJaxrsResponse(DispatcherUtili ties.java:142) 15:01:47,711 ERROR [STDERR] at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.j ava:356) 15:01:47,711 ERROR [STDERR] at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.j ava:173) 15:01:47,711 ERROR [STDERR] at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(Http ServletDispatcher.java:93) 15:01:47,711 ERROR [STDERR] at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(Http ServletDispatcher.java:68) 15:01:47,711 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) 15:01:47,711 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application FilterChain.java:290) 15:01:47,711 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh ain.java:206) 15:01:47,711 ERROR [STDERR] at org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java: 59) 15:01:47,712 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application FilterChain.java:235) 15:01:47,712 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh ain.java:206) 15:01:47,712 ERROR [STDERR] at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.ja va:96) 15:01:47,712 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application FilterChain.java:235) 15:01:47,712 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh ain.java:206) 15:01:47,712 ERROR [STDERR] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja va:235) 15:01:47,712 ERROR [STDERR] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja va:191) 15:01:47,712 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssoci ationValve.java:190) 15:01:47,712 ERROR [STDERR] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase .java:433) 15:01:47,712 ERROR [STDERR] at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java: 92) 15:01:47,712 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(Secu rityContextEstablishmentValve.java:126) 15:01:47,712 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(Secur ityContextEstablishmentValve.java:70) 15:01:47,713 ERROR [STDERR] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127 ) 15:01:47,713 ERROR [STDERR] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102 ) 15:01:47,713 ERROR [STDERR] at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnecti onValve.java:158) 15:01:47,713 ERROR [STDERR] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java :109) 15:01:47,713 ERROR [STDERR] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330) 15:01:47,713 ERROR [STDERR] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:828) 15:01:47,713 ERROR [STDERR] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http 11Protocol.java:601) 15:01:47,713 ERROR [STDERR] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) 15:01:47,713 ERROR [STDERR] at java.lang.Thread.run(Thread.java:619) 15:01:47,713 ERROR [STDERR] Caused by: java.lang.RuntimeException: Unexpected invocation exception: null 15:01:47,714 ERROR [STDERR] at org.jboss.bpm.console.server.util.InvocationProxy.invoke(InvocationProxy.jav a:80) 15:01:47,714 ERROR [STDERR] at $Proxy146.newInstance(Unknown Source) 15:01:47,714 ERROR [STDERR] at org.jboss.bpm.console.server.ProcessMgmtFacade.newInstance(ProcessMgmtFacade .java:189) 15:01:47,714 ERROR [STDERR] ... 38 more 15:01:47,714 ERROR [STDERR] Caused by: java.lang.reflect.InvocationTargetException 15:01:47,714 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 15:01:47,714 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39 ) 15:01:47,714 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl .java:25) 15:01:47,714 ERROR [STDERR] at java.lang.reflect.Method.invoke(Method.java:597) 15:01:47,714 ERROR [STDERR] at org.jboss.bpm.console.server.util.InvocationProxy.invoke(InvocationProxy.jav a:64) 15:01:47,714 ERROR [STDERR] ... 40 more 15:01:47,715 ERROR [STDERR] Caused by: java.lang.NullPointerException 15:01:47,715 ERROR [STDERR] at org.jbpm.integration.console.ModelAdaptor.execution2TokenReference(ModelAdap tor.java:101) 15:01:47,715 ERROR [STDERR] at org.jbpm.integration.console.ModelAdaptor.adoptExecution(ModelAdaptor.java:7 3) 15:01:47,715 ERROR [STDERR] at org.jbpm.integration.console.ProcessManagementImpl.newInstance(ProcessManage mentImpl.java:250) 15:01:47,715 ERROR [STDERR] ... 45 more Can anybody help me ? Thanks, Rogerio.