webservice_esb_bpel example fails to complete

The webservice_esb_bpel example fails to send a message from an ESB service to a BPEL process, but does not record any error or exceptions. It only records the following warning:

2010-03-30 16:39:22,889 WARN [org.jboss.soa.esb.listeners.message.ActionProcessingPipeline] (pool-34-thread-1) No fault address defined for fault message! To: JMSEpr [ PortReference < <wsa:Address jms:127.0.0.1:1099#queue/quickstart_webservice_bpel_esb/>, <wsa:ReferenceProperties jbossesb:java.naming.factory.initial : org.jnp.interfaces.NamingContextFactory/>, <wsa:ReferenceProperties jbossesb:java.naming.provider.url : 127.0.0.1:1099/>, <wsa:ReferenceProperties jbossesb:java.naming.factory.url.pkgs : org.jnp.interfaces/>, <wsa:ReferenceProperties jbossesb:destination-type : queue/>, <wsa:ReferenceProperties jbossesb:destination-name : queue/quickstart_webservice_bpel_esb/>, <wsa:ReferenceProperties jbossesb:specification-version : 1.1/>, <wsa:ReferenceProperties jbossesb:connection-factory : ConnectionFactory/>, <wsa:ReferenceProperties jbossesb:message-selector : service='orderNotifier'/>, <wsa:ReferenceProperties jbossesb:persistent : true/>, <wsa:ReferenceProperties jbossesb:acknowledge-mode : AUTO_ACKNOWLEDGE/>, <wsa:ReferenceProperties jbossesb:transacted : false/>, <wsa:ReferenceProperties jbossesb:type : urn:jboss/esb/epr/type/jms/> > ] MessageID: a9861fd2-73c0-4bab-80b9-134c8273f9de RelatesTo: jms:correlationID#a9861fd2-73c0-4bab-80b9-134c8273f9de