Openmrs Event module ActiveMQ error

javax.jms.JMSException: Could not create Transport. Reason: java.io.IOException: Transport scheme NOT recognized: [vm]
	at org.apache.activemq.util.JMSExceptionSupport.create(JMSExceptionSupport.java:35)
	at org.apache.activemq.ActiveMQConnectionFactory.createTransport(ActiveMQConnectionFactory.java:245)
	at org.apache.activemq.ActiveMQConnectionFactory.createActiveMQConnection(ActiveMQConnectionFactory.java:258)
	at org.apache.activemq.ActiveMQConnectionFactory.createActiveMQConnection(ActiveMQConnectionFactory.java:230)
	at org.apache.activemq.ActiveMQConnectionFactory.createConnection(ActiveMQConnectionFactory.java:178)
	at org.springframework.jms.connection.SingleConnectionFactory.doCreateConnection(SingleConnectionFactory.java:342)
	at org.springframework.jms.connection.SingleConnectionFactory.initConnection(SingleConnectionFactory.java:288)
	at org.springframework.jms.connection.SingleConnectionFactory.createConnection(SingleConnectionFactory.java:225)
	at org.openmrs.event.EventEngine.subscribe(EventEngine.java:266)
	at org.openmrs.event.EventEngine.subscribe(EventEngine.java:185)
	at org.openmrs.event.Event.subscribe(Event.java:78)
	at org.openmrs.module.emrapi.EmrApiActivator.started(EmrApiActivator.java:153)
	at org.openmrs.module.ModuleUtil.refreshApplicationContext(ModuleUtil.java:927)
	at org.openmrs.module.web.WebModuleUtil.refreshWAC(WebModuleUtil.java:847)
	at org.openmrs.web.Listener.performWebStartOfModules(Listener.java:632)
	at org.openmrs.web.Listener.performWebStartOfModules(Listener.java:612)
	at org.openmrs.web.Listener.startOpenmrs(Listener.java:251)
	at org.openmrs.web.WebDaemon$1.run(WebDaemon.java:42)
Caused by: java.io.IOException: Transport scheme NOT recognized: [vm]
	at org.apache.activemq.util.IOExceptionSupport.create(IOExceptionSupport.java:27)
	at org.apache.activemq.transport.TransportFactory.findTransportFactory(TransportFactory.java:204)
	at org.apache.activemq.transport.TransportFactory.connect(TransportFactory.java:79)
	at org.apache.activemq.ActiveMQConnectionFactory.createTransport(ActiveMQConnectionFactory.java:243)
	... 16 more
Caused by: java.lang.ClassCastException: org.apache.activemq.transport.vm.VMTransportFactory cannot be cast to org.apache.activemq.transport.TransportFactory
	at org.apache.activemq.transport.TransportFactory.findTransportFactory(TransportFactory.java:201)
	... 18 more