远程服务器返回了意外响应400 Bad Request

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远程服务器返回了意外响应 400 Bad Request。原因在于：传输的数据量过大。
解决方案：
首先在客户端（client）的配置文件里：
1.在节点<binding>修改传输数据的最大额度：

1. <system.serviceModel>
   
2.     <bindings>
   
3.       <basicHttpBinding>
   
4.         <binding name="BasicHttpBinding_USService1" closeTimeout="00:03:00"
   
5.           openTimeout="00:03:00" receiveTimeout="00:10:00" sendTimeout="00:03:00"
   
6.           allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard"
   
7.           maxBufferSize="2147483647" maxBufferPoolSize="2147483647" maxReceivedMessageSize="2147483647"
   
8.           messageEncoding="Text" textEncoding="utf-8" transferMode="Buffered"
   
9.           useDefaultWebProxy="true">
   
10.           <readerQuotas maxDepth="32" maxStringContentLength="2147483647"
    
11.             maxArrayLength="2147483647" maxBytesPerRead="2147483647" maxNameTableCharCount="2147483647" />
    
12.           <security mode="None">
    
13.             <transport clientCredentialType="None" proxyCredentialType="None"
    
14.               realm="" />
    
15.             <message clientCredentialType="UserName" algorithmSuite="Default" />
    
16.           </security>
    
17.         </binding>
    
18.       </basicHttpBinding>
    
19.     </bindings>
    
20.     <client>
    
21.       <endpoint address="http://localhost:8001/usinfoservices" binding="basicHttpBinding"
    
22.         bindingConfiguration="BasicHttpBinding_USService1" contract="ServiceReference2.USService"
    
23.         name="BasicHttpBinding_USService1" />
    
24.     </client>
    
25.   </system.serviceModel>
    
26. 然后在修改服务器端<Hosting>的配置文件：
    
27. 1.在节点<binding>修改传输数据的最大额度：
    
28. <system.serviceModel>
    
29.        <bindings>
    
30.          <basicHttpBinding>
    
31.            <binding name="newBinding" maxBufferPoolSize="21474835647" maxReceivedMessageSize="2147483647" messageEncoding="Text">
    
32.               <readerQuotas maxDepth="2147483647" maxStringContentLength="2147483647" maxArrayLength="2147483647" maxBytesPerRead="2147483647" maxNameTableCharCount="2147483647"/>
    
33.            </binding>
    
34.           </basicHttpBinding>
    
35.        </bindings>
    
36.         <behaviors>
    
37.           <serviceBehaviors>
    
38.             <behavior name="metadataBehavior">
    
39.                 <serviceMetadata httpGetEnabled="true" />
    
40.                 <serviceDebug includeExceptionDetailInFaults="true"/>
    
41.             </behavior>  
    
42.          </serviceBehaviors>  
    
43.         </behaviors>        
    
44.         <services>
    
45.           <service behaviorConfiguration="metadataBehavior" name="Genesysinfo.USServices.Services.USInfoServices">
    
46.              <endpoint address="" bindingConfiguration="newBinding" binding="basicHttpBinding" contract="Genesysinfo.USServices.Contracts.IUSInfoServices" />
    
47.              <endpoint address="" binding="netTcpBinding" contract="Genesysinfo.USServices.Contracts.IUSInfoServices" />
    
48.              <host>
    
49.                 <baseAddresses>
    
50.                     <add baseAddress="http://localhost:8001/usinfoservices" />
    
51.                     <add baseAddress="net.tcp://localhost:8000/usinfoservices" />
    
52.                 </baseAddresses>
    
53.              </host>
    
54.             <endpoint address="mex" binding="mexTcpBinding" contract="IMetadataExchange" />
    
55.           </service>        
    
56.         </services>  
    
57.      </system.serviceModel>
    

复制代码

就OK了。