php webservice wsdl 错误。请高手帮忙

写了简单的列子 结果报错 求高手帮看看。  在线等。 谢谢 了
我用 Apache  是不是少安了东西 提示错误是 
Warning: SoapClient::SoapClient(http://192.168.0.23/jiekou/passport.wsdl) [function.SoapClient-SoapClient]: failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in F:\AppServ\www\ceshi\client.php on line 2Warning: SoapClient::SoapClient() [function.SoapClient-SoapClient]: I/O warning : failed to load external entity "http://192.168.0.23/jiekou/passport.wsdl" in F:\AppServ\www\ceshi\client.php on line 2Fatal error: SOAP-ERROR: Parsing WSDL: Couldn't load from 'http://192.168.0.23/jiekou/passport.wsdl' in F:\AppServ\www\ceshi\client.php on line 2
代码如下
Passport.php
<?php
 class Passport {  
     const E_USERNAME_INVALID = 1;  
     public $username;  
     public $passwd;  
     public $emai;  
     public $verifycode;  
     /** 
      * user register service 
      * 
      * @param string $username 
      * @param string $passwd 
      * @param string $email 
      * @param string $verifycode 
      * 
      * @return boolean 
      */  
     public function register($username, $passwd, $email, $verifycode){  
         // here is register code  
         return $username. "\n" .  
                 $passwd . "\n" .  
                 $email . "\n" .  
                 $verifycode;  
     }  
 }  
?>
客户端
client.php
<?php
 $client = new SoapClient("http://192.168.0.23/jiekou/passport.wsdl", array("trace"=>1,"exceptions"=>0,"soap_version" => SOAP_1_2)); 
 $result = $client->register('hezhiqiang','loveit','[email protected]','H6mSkD');  
 var_dump($result);
?>
服务端
server.php
<?php
 require_once 'Passport.php';  
 $server = new SoapServer(  
  "http://192.168.0.23/jiekou/passport.wsdl"  
  ,array(  
   'encoding'=>'utf-8',  
      'soap_version' => SOAP_1_2,  
      'uri' => 'Passport',  
      'style' => SOAP_RPC,  
      'use' => SOAP_LITERAL)  
  );  
 $server->setClass('Passport');  
 $server->handle(); 
?>passport.wsdl  zend studio 生成
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<wsdl:definitions xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:tns="http://www.example.org/passport/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="passport" targetNamespace="http://www.example.org/passport/">
  <wsdl:types>
    <xsd:schema targetNamespace="http://www.example.org/passport/">
      <xsd:element name="register">
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element name="in" type="xsd:string"/>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="registerResponse">
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element name="out" type="xsd:string"/>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
    </xsd:schema>
  </wsdl:types>
  <wsdl:message name="registerRequest">
    <wsdl:part name="username" type="xsd:string"/>
    <wsdl:part name="passwd" type="xsd:string"></wsdl:part>
    <wsdl:part name="email" type="xsd:string"></wsdl:part>
    <wsdl:part name="verifycode" type="xsd:string"></wsdl:part>
  </wsdl:message>
  <wsdl:message name="registerResponse">
    <wsdl:part name="registerreturn" type="xsd:string"/>
  </wsdl:message>
  <wsdl:portType name="passport">
    <wsdl:operation name="register">
      <wsdl:input message="tns:registerRequest"/>
      <wsdl:output message="tns:registerResponse"/>
    </wsdl:operation>
  </wsdl:portType>
  <wsdl:binding name="passportSOAP" type="tns:passport">   <soap:binding style="document"
   transport="http://schemas.xmlsoap.org/soap/http" />
   <wsdl:operation name="register">   <soap:operation
   soapAction="http://www.example.org/passport/register" />
   <wsdl:input>   <soap:body use="literal" />
   </wsdl:input>
   <wsdl:output>   <soap:body use="literal" />
   </wsdl:output>
   </wsdl:operation>
  </wsdl:binding>
  <wsdl:service name="passport">
    <wsdl:port binding="tns:passportSOAP" name="passportSOAP">
      <soap:address location="http://192.168.0.23/jiekou/server.php"/>
    </wsdl:port>
  </wsdl:service>
</wsdl:definitions>