2013-06-18 28 views
0

我有一个控制台应用程序将文件发送到我的WCF服务,但我的服务正在响应502个http代码(代理错误 - 指定的网络名称不再可用)。当我尝试发送大于4MB的文件时。这段代码对我来说没有意义,因为他接受的文件小于4MB。WCF服务返回502 Http代码(指定的网络名称不再可用)

WCF服务在Windows 2003 Server,IIS 6和配置文件下运行,如下所示。

<system.serviceModel> 
    <behaviors> 
     <serviceBehaviors> 
      <behavior name="FileUploadServiceBehavior"> 
       <serviceMetadata httpGetEnabled="True" httpsGetEnabled="False" /> 
       <serviceDebug includeExceptionDetailInFaults="False" /> 
      </behavior> 
     </serviceBehaviors> 
    </behaviors> 
    <bindings> 
     <basicHttpBinding> 
      <!-- buffer: 64KB; max size: 64MB --> 
      <binding name="FileUploadServiceBinding" 
        transferMode="Streamed" 
        messageEncoding="Mtom" 
        maxReceivedMessageSize="67108864" maxBufferSize="65536" 
        closeTimeout="00:05:00" openTimeout="00:05:00" 
        receiveTimeout="00:10:00" sendTimeout="00:05:00"> 
       <security mode="None"> 
        <transport clientCredentialType="None" /> 
       </security> 
      </binding> 
     </basicHttpBinding> 
    </bindings> 
    <services> 
     <service behaviorConfiguration="FileUploadServiceBehavior" name="MyProject.ServiceFileTransfer.FileUploadService"> 
      <endpoint address="" binding="basicHttpBinding" contract="MyProject.ServiceFileTransfer.IFileUploadService" 
       bindingConfiguration="FileUploadServiceBinding"> 
      </endpoint> 
     </service> 
    </services> 
    <serviceHostingEnvironment multipleSiteBindingsEnabled="true" /> 
</system.serviceModel> 
<system.webServer> 
    <modules runAllManagedModulesForAllRequests="true"/> 
</system.webServer> 

为什么在发送大于4mb的文件时会返回502错误的网关错误?

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