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我在网上四处张望,这个问题的解决方案似乎都不适合我。我有一个被 Silverlight 应用程序使用的 WCF 服务。在我尝试更新大型对象图之前,一切正常。我的跟踪日志以可爱的错误迎接我:

已超出传入邮件 (65536) 的最大邮件大小配额。要增加配额,请在适当的绑定元素上使用 MaxReceivedMessageSize 属性。

我已经更改了 web.config 文件和 Silverlight 的 ClientConfig 文件中的设置,甚至尝试手动创建代理并在代码中设置值。

我的 web.config:

  <system.serviceModel>
    <diagnostics>
      <messageLogging logMalformedMessages="true" logMessagesAtTransportLevel="true" />
      <endToEndTracing propagateActivity="true" activityTracing="true"
             messageFlowTracing="true" />
    </diagnostics>
    <bindings>
      <basicHttpBinding>
        <binding name="basicHttpBindingSettings" closeTimeout="00:10:00" openTimeout="00:10:00" sendTimeout="00:10:00" 
                 maxReceivedMessageSize="2147483647" maxBufferPoolSize="2147483647" maxBufferSize="2147483647" messageEncoding="Text">
          <readerQuotas maxDepth="2147483647" maxStringContentLength="2147483647" 
                        maxArrayLength="2147483647" maxBytesPerRead="2147483647" maxNameTableCharCount="2147483647" />
        </binding>
      </basicHttpBinding>
    </bindings>
    <services>
      <service name="TestConfigService">
        <endpoint address="" contract="PreferencesUI.Hub.PreferenceSVC.ITestConfig" binding="basicHttpBinding"
                  bindingConfiguration="basicHttpBindingSettings" />
      </service>
    </services>
  </system.serviceModel>

我的银灯:

        EndpointAddress ea = new EndpointAddress("http://localhost:37935/TestConfig.svc");


        BasicHttpBinding binding = new BasicHttpBinding(BasicHttpSecurityMode.None);
        binding.CloseTimeout = new TimeSpan(00, 5, 00);
        binding.OpenTimeout = new TimeSpan(00, 5, 00);
        binding.ReceiveTimeout = new TimeSpan(00, 5, 00);
        binding.SendTimeout = new TimeSpan(00, 5, 00);
        binding.TextEncoding = System.Text.Encoding.UTF8;
        binding.MaxReceivedMessageSize = int.MaxValue;
        binding.MaxBufferSize = int.MaxValue;


        _preferenceTSTServiceProxy = new TSTC.TestConfigClient(binding, ea);

有人看到我在这里错过了什么吗?我在网上找到的所有内容都指出有人忘记设置 maxReceivedMessageSize 或忘记给端点一个 bindingConfiguration 名称值(我已经完成了这两件事)。

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1 回答 1

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哎呀。我讨厌 WCF 的这个特殊方面。理解起来不必要地复杂,而且很难正确理解。

我并没有声称完全理解它,但我知道除了正确的绑定之外,还有其他地方可以设置“MaxReceivedMessageSize”属性。还可以尝试底层传输,如下所示:

    <binding name="CustomBinding_IRoomService">
      <httpTransport maxReceivedMessageSize="2147483647" maxBufferSize="2147483647" />
    </binding>

或者像这样:

private void AddNetTcpEndpoint()
{
    var binaryMessageEncodingTcp = new BinaryMessageEncodingBindingElement
    {
        MaxSessionSize = ushort.MaxValue
    };
    binaryMessageEncodingTcp.ReaderQuotas.MaxDepth = ushort.MaxValue;
    var tcpDuplexBinding = new CustomBinding(
        binaryMessageEncodingTcp,
        new TcpTransportBindingElement {MaxReceivedMessageSize = int.MaxValue, MaxBufferSize = int.MaxValue}
        );
    tcpDuplexBinding.SendTimeout = TimeSpan.FromMinutes(2);
    tcpDuplexBinding.ReceiveTimeout = TimeSpan.FromMinutes(30);
    tcpDuplexBinding.OpenTimeout = TimeSpan.FromSeconds(30);
    tcpDuplexBinding.CloseTimeout = TimeSpan.FromSeconds(30);

    AddServiceEndpoint(
        typeof (IRoomService),
        tcpDuplexBinding,
        "tcpDuplex").Behaviors.Add(new SilverlightFaultBehavior());
        }
}

而且可能还有其他地方。

于 2011-11-29T23:04:57.507 回答