[jboss-user] [JBoss jBPM] - ClassCast exception when executing simple process

[sergey.rybets]

Hello. 
I have following problem - 
23:37:37,248 ERROR [[Test]] Servlet.service() for servlet Test threw exception
java.lang.ClassCastException: org.jbpm.msg.jms.JmsMessageServiceFactoryImpl
	at org.jbpm.svc.Services.getServiceFactory(Services.java:122)
	at org.jbpm.svc.Services.getService(Services.java:139)
	at org.jbpm.svc.Services.getCurrentService(Services.java:88)
	at org.jbpm.svc.Services.getCurrentService(Services.java:81)
	at org.jbpm.graph.def.Node.enter(Node.java:314)
	at org.jbpm.graph.def.Node$$FastClassByCGLIB$$d187eeda.invoke()
	at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
	at org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer.java:163)
	at org.jbpm.graph.def.Node$$EnhancerByCGLIB$$6bc12d7d.enter()
	at org.jbpm.graph.def.Transition.take(Transition.java:151)
	at org.jbpm.graph.def.Node.leave(Node.java:393)
	at org.jbpm.graph.node.StartState.leave(StartState.java:70)

I've written simple servlet that executes process definition to check if I've done everything ok with configuring JMS.

process definition:

<process-definition xmlns="urn:jbpm.org:jpdl-3.2" name="testasync">
  | 	<start-state name="start">
  | 		<transition name="s" to="s"></transition>
  | 	</start-state>
  | 	<node name="s" async="true">
  | 		<transition name="" to="node1"></transition>
  | 	</node>
  | 	<node name="node1">
  | 		<transition name="" to="end1"></transition>
  | 	</node>
  | 	<end-state name="end1"></end-state>
  | </process-definition>


configuration of jbpm context:
	<jbpm-context>
  | 		<service name="persistence">
  | 			<factory>
  | 				<bean
  | 					class="org.jbpm.persistence.db.DbPersistenceServiceFactory">
  | 					<field name="isCurrentSessionEnabled">
  | 						<false />
  | 					</field>
  | 					<field name="isTransactionEnabled">
  | 						<false />
  | 					</field>
  | 				</bean>
  | 			</factory>
  | 		</service>
  | 		<service name="message">
  | 			<factory>
  | 				<bean
  | 					class="org.jbpm.msg.jms.JmsMessageServiceFactoryImpl">
  | 					<field name="connectionFactoryJndiName">
  | 						<string value="java:/JmsXA" />
  | 					</field>
  | 					<field name="destinationJndiName">
  | 						<string value="queue/JbpmJobQueue" />
  | 					</field>
  | 				</bean>
  | 			</factory>
  | 		</service>
  | 
  | 		<service name="scheduler"
  | 			factory="org.jbpm.scheduler.ejbtimer.EjbSchedulerServiceFactory"/>
  | 		<service name="tx" factory="org.jbpm.tx.TxServiceFactory" />
  | 		<service name="logging"
  | 			factory="org.jbpm.logging.db.DbLoggingServiceFactory" />
  | 		<service name="authentication"
  | 			factory="org.jbpm.security.authentication.DefaultAuthenticationServiceFactory" />
  | 	</jbpm-context>

I watched in debug mode all of these services are not null but I can't get what's wrong. Help, it seems that I've don everything like was described in user guide. What can be wrong?
Thank you

P.S. if I remove attribute async from node ClassCastException appears on casting org.jbpm.scheduler.ejbtimer.EjbSchedulerServiceFactory to org.jbpm.svc.ServiceFactory.

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