java xfire做服务器 php调用 出现Not enough message parts were received for the operation异

配置服务
  <service>
    <name>add</name><!-- 服务名称 --> 
    <namespace>test/IAdd</namespace><!-- 指定命名空间 --> 
    <serviceClass>test.IAdd</serviceClass><!-- 指定服务的接口 --> 
    <implementationClass>test.Add</implementationClass><!-- 指定接口的实现类 --> 
  </service>
调用服务方法
public int Add(int num1, int num2) {
 return num1+num2;   
}
wsdl
- <wsdl:types>
- <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" attributeFormDefault="qualified" elementFormDefault="qualified" targetNamespace="test/IAdd">
- <xsd:element name="Add">
- <xsd:complexType>
- <xsd:sequence>
  <xsd:element maxOccurs="1" minOccurs="1" name="in0" type="xsd:int" /> 
  <xsd:element maxOccurs="1" minOccurs="1" name="in1" type="xsd:int" /> 
  </xsd:sequence>
  </xsd:complexType>
  </xsd:element>
- <xsd:element name="AddResponse">
- <xsd:complexType>
- <xsd:sequence>
  <xsd:element maxOccurs="1" minOccurs="1" name="out" type="xsd:int" /> 
  </xsd:sequence>
  </xsd:complexType>
  </xsd:element>
  </xsd:schema>
  </wsdl:types>
- <wsdl:message name="AddRequest">
  <wsdl:part name="parameters" element="tns:Add" /> 
  </wsdl:message>
- <wsdl:message name="AddResponse">
  <wsdl:part name="parameters" element="tns:AddResponse" /> 
  </wsdl:message>
- <wsdl:portType name="addPortType">
- <wsdl:operation name="Add">
  <wsdl:input name="AddRequest" message="tns:AddRequest" /> 
  <wsdl:output name="AddResponse" message="tns:AddResponse" /> 
  </wsdl:operation>
  </wsdl:portType>
- <wsdl:binding name="addHttpBinding" type="tns:addPortType">
  <wsdlsoap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http" /> 
- <wsdl:operation name="Add">
  <wsdlsoap:operation soapAction="" /> 
- <wsdl:input name="AddRequest">
  <wsdlsoap:body use="literal" /> 
  </wsdl:input>
- <wsdl:output name="AddResponse">
  <wsdlsoap:body use="literal" /> 
  </wsdl:output>
  </wsdl:operation>
  </wsdl:binding>
- <wsdl:service name="add">
- <wsdl:port name="addHttpPort" binding="tns:addHttpBinding">
  <wsdlsoap:address location="http://127.0.0.1:8080/webs/services/add" /> 
  </wsdl:port>
  </wsdl:service>
出现异常
Not enough message parts were received for the operation
调用方法计算 两个整数相加 调用 总是报此异常 求解或能给出 调用无误的 例子也行