Petals BC SOAP

javax.jbi.messaging.MessagingException: Cannot create or get an Axis service client from the pool
	at org.ow2.petals.binding.soap.SoapComponentContext.borrowServiceClient(SoapComponentContext.java:587)
	at org.ow2.petals.binding.soap.listener.outgoing.SOAPCaller.call(SOAPCaller.java:234)
	at org.ow2.petals.binding.soap.listener.outgoing.JBIListener.onJBIMessage(JBIListener.java:71)
	at org.ow2.petals.component.framework.process.MessageExchangeProcessor.processInOutAsProvider(MessageExchangeProcessor.java:646)
	at org.ow2.petals.component.framework.process.MessageExchangeProcessor.processAsProvider(MessageExchangeProcessor.java:406)
	at org.ow2.petals.component.framework.process.MessageExchangeProcessor.process(MessageExchangeProcessor.java:260)
	at org.ow2.petals.component.framework.process.MessageExchangeProcessor.run(MessageExchangeProcessor.java:191)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:662)
Caused by: org.apache.commons.lang.NotImplementedException: Transport protocol not supported.
	at org.ow2.petals.binding.soap.listener.outgoing.ServiceClientPoolObjectFactory.setTransport(ServiceClientPoolObjectFactory.java:274)
	at org.ow2.petals.binding.soap.listener.outgoing.ServiceClientPoolObjectFactory.createOptions(ServiceClientPoolObjectFactory.java:151)
	at org.ow2.petals.binding.soap.listener.outgoing.ServiceClientPoolObjectFactory.makeObject(ServiceClientPoolObjectFactory.java:400)
	at org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:1158)
	at org.ow2.petals.binding.soap.SoapComponentContext.borrowServiceClient(SoapComponentContext.java:559)
	... 9 more