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WCF中的mexTcpBinding - IMetadataExchange错误

我想要一个WCF-over-TCP服务工作.我在修改自己的项目时遇到了一些问题,所以我想我会从VS2008中包含的"基础"WCF模板开始.

这是最初的WCF App.config,当我运行该服务时,WCF测试客户端可以正常使用它:

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <system.web>
        <compilation debug="true" />
    </system.web>
    <system.serviceModel>
        <services>
            <service name="WcfTcpTest.Service1" behaviorConfiguration="WcfTcpTest.Service1Behavior">
                <host>
                    <baseAddresses>
                        <add baseAddress="http://localhost:8731/Design_Time_Addresses/WcfTcpTest/Service1/" />
                    </baseAddresses>
                </host>
                <endpoint address="" binding="wsHttpBinding" contract="WcfTcpTest.IService1">
                    <identity>
                        <dns value="localhost"/>
                    </identity>
                </endpoint>
                <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/>
            </service>
        </services>
        <behaviors>
            <serviceBehaviors>
                <behavior name="WcfTcpTest.Service1Behavior">
                    <serviceMetadata httpGetEnabled="True"/>
                    <serviceDebug includeExceptionDetailInFaults="True" />
                </behavior>
            </serviceBehaviors>
        </behaviors>
    </system.serviceModel>
</configuration>
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这完美无缺,完全没有问题.

我认为将其从HTTP更改为TCP将是微不足道的:将绑定更改为其TCP等效项并删除httpGetEnabled serviceMetadata元素:

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <system.web>
        <compilation debug="true" />
    </system.web>
    <system.serviceModel>
        <services>
            <service name="WcfTcpTest.Service1" behaviorConfiguration="WcfTcpTest.Service1Behavior">
                <host>
                    <baseAddresses>
                        <add baseAddress="net.tcp://localhost:1337/Service1/" />
                    </baseAddresses>
                </host>
                <endpoint …
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wcf tcp net.tcp

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