no pollable reply channel has been configured

amy

pany.project.integration.WSGatew  ayquot;
default-request-channel=quot;input_channelquot;
default-reply-channel=quot;output_channelquot; /gt;

lt;channel id=quot;output_channelquot; /gt;
lt;channel id=quot;input_channelquot; /gt;

lt;wsutbound-gateway id=quot;externalwsquot;  
request-channel=quot;input_channelquot; reply-channel=quot;output_channelquot;
uri=quot;${wsucl}quot; marshaller=quot;marshallerquot; unmarshaller=quot;marshallerquot;
message-factory=quot;messageFactoryquot; /gt;

lt;beans:bean id=quot;messageFactoryquot; class=quot;org..ws.soap.saaj.SaajSoapMe  ssageFactoryquot;gt;  lt;beans: property name=quot;messageFactoryquot;gt;     lt;beans:bean  class=quot;com.sun.xml.internal.messaging.saaj.soap.ve  r1_1.SOAPMessageFactory1_1Implquot;gt;  lt;/beans:beangt;
lt;/beans: propertygt;
lt;/beans:beangt;

lt;beans:bean id=quot;marshallerquot;class=quot;org..oxm.jaxb.Jaxb2Marshalle  rquot;gt;   lt;beans: property name=quot;contextPathsquot;gt;         lt;beans:arraygt;                     lt;beans:valuegt;com.company.ws.integration.clientob  jlt;/beans:valuegt;                 lt;/beans:arraygt;       lt;/beans: propertygt;
lt;/beans:beangt;

My question if there is no input, what should be proper channel tag required?

can someone from integration team address this, out there for quiet a long?
- Thanks