C# 套接字连接已中止_C#_Wcf - Fatal编程技术网

C# 套接字连接已中止

c# wcf

C# 套接字连接已中止,c#,wcf,C#,Wcf,我有一个WCF服务，作为windows服务托管，由客户端通过代理类调用。代理类中的方法如下所示： public CustomerResponse GetCustomers(CustomerRequest request) { try { return Channel.GetCustomers(request); } catch (Exception ex) {

我有一个WCF服务，作为windows服务托管，由客户端通过代理类调用。代理类中的方法如下所示：

    public CustomerResponse GetCustomers(CustomerRequest request)
    {
        try
        {
            return Channel.GetCustomers(request);
        }
        catch (Exception ex)
        {
            throw ex;
        }
    }

<services>
  <service name="CustomerService" behaviorConfiguration="DefaultBehaviour">
    <endpoint address="CommonService" binding="netTcpBinding" bindingConfiguration="customTcpBinding"
      contract="ICustomerService">
      <identity>
        <dns value="localhost" />
      </identity>
    </endpoint>       
    <host>
      <baseAddresses>
        <add baseAddress="net.tcp://localhost:8542/CustomerService" />
      </baseAddresses>
    </host>
  </service>
</services>
<behaviors>
  <serviceBehaviors>
    <behavior name="DefaultBehaviour">

      <serviceMetadata httpGetEnabled="false" />
      <serviceDebug includeExceptionDetailInFaults="true" />
    </behavior>
  </serviceBehaviors>
</behaviors>

GetCustomer目前从我的数据库中返回大约1000条记录。问题是：

<services>
  <service name="CustomerService" behaviorConfiguration="DefaultBehaviour">
    <endpoint address="CommonService" binding="netTcpBinding" bindingConfiguration="customTcpBinding"
      contract="ICustomerService">
      <identity>
        <dns value="localhost" />
      </identity>
    </endpoint>       
    <host>
      <baseAddresses>
        <add baseAddress="net.tcp://localhost:8542/CustomerService" />
      </baseAddresses>
    </host>
  </service>
</services>
<behaviors>
  <serviceBehaviors>
    <behavior name="DefaultBehaviour">

      <serviceMetadata httpGetEnabled="false" />
      <serviceDebug includeExceptionDetailInFaults="true" />
    </behavior>
  </serviceBehaviors>
</behaviors>

我已经在4台不同的电脑上运行了我的程序，我只在其中2台电脑上发现了这个错误。其他两个都很好，都具有相同的设置

<services>
  <service name="CustomerService" behaviorConfiguration="DefaultBehaviour">
    <endpoint address="CommonService" binding="netTcpBinding" bindingConfiguration="customTcpBinding"
      contract="ICustomerService">
      <identity>
        <dns value="localhost" />
      </identity>
    </endpoint>       
    <host>
      <baseAddresses>
        <add baseAddress="net.tcp://localhost:8542/CustomerService" />
      </baseAddresses>
    </host>
  </service>
</services>
<behaviors>
  <serviceBehaviors>
    <behavior name="DefaultBehaviour">

      <serviceMetadata httpGetEnabled="false" />
      <serviceDebug includeExceptionDetailInFaults="true" />
    </behavior>
  </serviceBehaviors>
</behaviors>

在有此问题的2台电脑上，当我将数据库中的客户记录数从1000减少到200时，问题就解决了

<services>
  <service name="CustomerService" behaviorConfiguration="DefaultBehaviour">
    <endpoint address="CommonService" binding="netTcpBinding" bindingConfiguration="customTcpBinding"
      contract="ICustomerService">
      <identity>
        <dns value="localhost" />
      </identity>
    </endpoint>       
    <host>
      <baseAddresses>
        <add baseAddress="net.tcp://localhost:8542/CustomerService" />
      </baseAddresses>
    </host>
  </service>
</services>
<behaviors>
  <serviceBehaviors>
    <behavior name="DefaultBehaviour">

      <serviceMetadata httpGetEnabled="false" />
      <serviceDebug includeExceptionDetailInFaults="true" />
    </behavior>
  </serviceBehaviors>
</behaviors>

我已经在配置文件中最大化了我知道的所有设置

<services>
  <service name="CustomerService" behaviorConfiguration="DefaultBehaviour">
    <endpoint address="CommonService" binding="netTcpBinding" bindingConfiguration="customTcpBinding"
      contract="ICustomerService">
      <identity>
        <dns value="localhost" />
      </identity>
    </endpoint>       
    <host>
      <baseAddresses>
        <add baseAddress="net.tcp://localhost:8542/CustomerService" />
      </baseAddresses>
    </host>
  </service>
</services>
<behaviors>
  <serviceBehaviors>
    <behavior name="DefaultBehaviour">

      <serviceMetadata httpGetEnabled="false" />
      <serviceDebug includeExceptionDetailInFaults="true" />
    </behavior>
  </serviceBehaviors>
</behaviors>

这是异常消息

<services>
  <service name="CustomerService" behaviorConfiguration="DefaultBehaviour">
    <endpoint address="CommonService" binding="netTcpBinding" bindingConfiguration="customTcpBinding"
      contract="ICustomerService">
      <identity>
        <dns value="localhost" />
      </identity>
    </endpoint>       
    <host>
      <baseAddresses>
        <add baseAddress="net.tcp://localhost:8542/CustomerService" />
      </baseAddresses>
    </host>
  </service>
</services>
<behaviors>
  <serviceBehaviors>
    <behavior name="DefaultBehaviour">

      <serviceMetadata httpGetEnabled="false" />
      <serviceDebug includeExceptionDetailInFaults="true" />
    </behavior>
  </serviceBehaviors>
</behaviors>

套接字连接已中止。这可能是由于处理消息时出错、远程主机超过接收超时或基础网络资源问题造成的。本地套接字超时为“00:00:59.9863281”

<services>
  <service name="CustomerService" behaviorConfiguration="DefaultBehaviour">
    <endpoint address="CommonService" binding="netTcpBinding" bindingConfiguration="customTcpBinding"
      contract="ICustomerService">
      <identity>
        <dns value="localhost" />
      </identity>
    </endpoint>       
    <host>
      <baseAddresses>
        <add baseAddress="net.tcp://localhost:8542/CustomerService" />
      </baseAddresses>
    </host>
  </service>
</services>
<behaviors>
  <serviceBehaviors>
    <behavior name="DefaultBehaviour">

      <serviceMetadata httpGetEnabled="false" />
      <serviceDebug includeExceptionDetailInFaults="true" />
    </behavior>
  </serviceBehaviors>
</behaviors>

我非常确定这不是超时问题，因为异常在不到一秒钟内返回

<services>
  <service name="CustomerService" behaviorConfiguration="DefaultBehaviour">
    <endpoint address="CommonService" binding="netTcpBinding" bindingConfiguration="customTcpBinding"
      contract="ICustomerService">
      <identity>
        <dns value="localhost" />
      </identity>
    </endpoint>       
    <host>
      <baseAddresses>
        <add baseAddress="net.tcp://localhost:8542/CustomerService" />
      </baseAddresses>
    </host>
  </service>
</services>
<behaviors>
  <serviceBehaviors>
    <behavior name="DefaultBehaviour">

      <serviceMetadata httpGetEnabled="false" />
      <serviceDebug includeExceptionDetailInFaults="true" />
    </behavior>
  </serviceBehaviors>
</behaviors>

这是我在服务器上的配置文件

<services>
  <service name="CustomerService" behaviorConfiguration="DefaultBehaviour">
    <endpoint address="CommonService" binding="netTcpBinding" bindingConfiguration="customTcpBinding"
      contract="ICustomerService">
      <identity>
        <dns value="localhost" />
      </identity>
    </endpoint>       
    <host>
      <baseAddresses>
        <add baseAddress="net.tcp://localhost:8542/CustomerService" />
      </baseAddresses>
    </host>
  </service>
</services>
<behaviors>
  <serviceBehaviors>
    <behavior name="DefaultBehaviour">

      <serviceMetadata httpGetEnabled="false" />
      <serviceDebug includeExceptionDetailInFaults="true" />
    </behavior>
  </serviceBehaviors>
</behaviors>

<services>
  <service name="CustomerService" behaviorConfiguration="DefaultBehaviour">
    <endpoint address="CommonService" binding="netTcpBinding" bindingConfiguration="customTcpBinding"
      contract="ICustomerService">
      <identity>
        <dns value="localhost" />
      </identity>
    </endpoint>       
    <host>
      <baseAddresses>
        <add baseAddress="net.tcp://localhost:8542/CustomerService" />
      </baseAddresses>
    </host>
  </service>
</services>
<behaviors>
  <serviceBehaviors>
    <behavior name="DefaultBehaviour">

      <serviceMetadata httpGetEnabled="false" />
      <serviceDebug includeExceptionDetailInFaults="true" />
    </behavior>
  </serviceBehaviors>
</behaviors>

<services>
  <service name="CustomerService" behaviorConfiguration="DefaultBehaviour">
    <endpoint address="CommonService" binding="netTcpBinding" bindingConfiguration="customTcpBinding"
      contract="ICustomerService">
      <identity>
        <dns value="localhost" />
      </identity>
    </endpoint>       
    <host>
      <baseAddresses>
        <add baseAddress="net.tcp://localhost:8542/CustomerService" />
      </baseAddresses>
    </host>
  </service>
</services>
<behaviors>
  <serviceBehaviors>
    <behavior name="DefaultBehaviour">

      <serviceMetadata httpGetEnabled="false" />
      <serviceDebug includeExceptionDetailInFaults="true" />
    </behavior>
  </serviceBehaviors>
</behaviors>

这是MVC项目的配置文件

<services>
  <service name="CustomerService" behaviorConfiguration="DefaultBehaviour">
    <endpoint address="CommonService" binding="netTcpBinding" bindingConfiguration="customTcpBinding"
      contract="ICustomerService">
      <identity>
        <dns value="localhost" />
      </identity>
    </endpoint>       
    <host>
      <baseAddresses>
        <add baseAddress="net.tcp://localhost:8542/CustomerService" />
      </baseAddresses>
    </host>
  </service>
</services>
<behaviors>
  <serviceBehaviors>
    <behavior name="DefaultBehaviour">

      <serviceMetadata httpGetEnabled="false" />
      <serviceDebug includeExceptionDetailInFaults="true" />
    </behavior>
  </serviceBehaviors>
</behaviors>

<bindings>
      <netTcpBinding>
        <binding name="customTcpBinding" maxBufferPoolSize="524288" maxReceivedMessageSize="2147483647" maxBufferSize="2147483647">
          <security mode="None"/>
          <readerQuotas maxDepth="2147483647" maxStringContentLength="2147483647" maxArrayLength="2147483647" maxBytesPerRead="2147483647" maxNameTableCharCount="2147483647"/>
        </binding>
      </netTcpBinding>
    </bindings>

    <endpoint address="net.tcp://localhost:8542/CustomerService" binding="netTcpBinding" bindingConfiguration="customTcpBinding" contract="ICustomerService" name="NetTcpBinding_CustomerService">
        <identity>
          <dns value="localhost"/>
        </identity>
    </endpoint>

有问题的频道的生命周期是什么？我注意到它是一个TCP绑定，理论上可以保持打开状态。但是，如果TCP连接在请求之间保持打开状态的时间过长，则.net保留关闭TCP连接的权利。我注意到你没有增加通话间隔的超时时间。不，我不需要任何超过1分钟的通话时间。我也在我的帖子中提到，我在不到一秒钟的时间内得到了错误。在我测试过的4台电脑中，有2台工作正常。那么在通话之间呢？看起来你的代理保留的时间太长了。除非你同时发出1000个不同的请求……小提示：永远不要做

尝试{}catch（Exception ex）{throw ex；}

。所做的只是把堆栈跟踪搞砸了。如果必须在catch块中执行某些操作，则再次抛出相同的异常，然后使用

catch（exception ex）{/*dosomething，然后*/throw；}