CXF JaxWsProxyFactoryBean调用SOAP服务出现异常信息

异常信息如下：

javax.xml.bind.JAXBException: class com.ulic.webservice.vo.SealFile以及其任何超类对此上下文都是未知的。
	at com.sun.xml.bind.v2.runtime.XMLSerializer.reportError(XMLSerializer.java:247)
	at com.sun.xml.bind.v2.runtime.XMLSerializer.reportError(XMLSerializer.java:262)
	at com.sun.xml.bind.v2.runtime.XMLSerializer.childAsXsiType(XMLSerializer.java:653)
	at com.sun.xml.bind.v2.runtime.property.ArrayElementNodeProperty.serializeItem(ArrayElementNodeProperty.java:69)
	at com.sun.xml.bind.v2.runtime.property.ArrayElementProperty.serializeListBody(ArrayElementProperty.java:172)
	at com.sun.xml.bind.v2.runtime.property.ArrayERProperty.serializeBody(ArrayERProperty.java:159)
	at com.sun.xml.bind.v2.runtime.ClassBeanInfoImpl.serializeBody(ClassBeanInfoImpl.java:361)
	at com.sun.xml.bind.v2.runtime.XMLSerializer.childAsXsiType(XMLSerializer.java:696)
	at com.sun.xml.bind.v2.runtime.ElementBeanInfoImpl$1.serializeBody(ElementBeanInfoImpl.java:156)
	at