silverlight - 发送大字节数组时出错

Question

我有 WCF 服务，通过它我在数据库中添加数据。它工作正常，但是当我尝试发送大字节 [] 时，它返回“远程服务器返回错误:NotFound”。

网络配置

    <?xml version="1.0"?>
<configuration>
  <connectionStrings>
    <add name="JabsBaseConnectionString" connectionString="Data Source=TAHASAGHIR-PC\SQLEXPRESS;Initial Catalog=JabsBase;Integrated Security=True" providerName="System.Data.SqlClient"/>
  </connectionStrings>
  <system.web>
    <compilation debug="true" targetFramework="4.0">
      <assemblies>
        <add assembly="System.Data.Linq, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
      </assemblies>
    </compilation>
    <httpRuntime maxRequestLength="2097151" useFullyQualifiedRedirectUrl="true"/>
  </system.web>
  <system.serviceModel>    
    <serviceHostingEnvironment aspNetCompatibilityEnabled="false" multipleSiteBindingsEnabled="true" />
    <bindings>
      <basicHttpBinding>
        <binding name="SendLargeChat"
                 allowCookies="false"
                 bypassProxyOnLocal="false" 
                 maxBufferPoolSize="2147483647"
                 maxReceivedMessageSize="2147483647"
                 maxBufferSize="2147483647"
                 closeTimeout="10:00:00"
                 openTimeout="10:00:00"
                 receiveTimeout="10:00:00"
                 sendTimeout="10:00:00"
                 transferMode="Streamed">
          <readerQuotas 
            maxArrayLength="2147483647"
            maxBytesPerRead="2147483647"
            maxDepth="2147483647"
            maxNameTableCharCount="2147483647"
            maxStringContentLength="2147483647" />
        </binding>
      </basicHttpBinding>      
    </bindings>
    <services>
      <service name="Prototype.SendChatService" behaviorConfiguration="Prototype.SendChatServiceBehavior">
        <endpoint address="" binding="basicHttpBinding" bindingConfiguration="SendLargeChat" contract="Prototype.SendChatService" />
        <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />
      </service>      
    </services>    
    <behaviors>
      <serviceBehaviors>
        <behavior name="">
          <serviceMetadata httpGetEnabled="true" />
          <serviceDebug includeExceptionDetailInFaults="true" />
        </behavior>
        <behavior name="Prototype.SendChatServiceBehavior">
          <serviceMetadata httpGetEnabled="true"/>
          <serviceDebug includeExceptionDetailInFaults="true"/>
          <dataContractSerializer maxItemsInObjectGraph="2147483647"/>
        </behavior>
      </serviceBehaviors>
    </behaviors>
  </system.serviceModel>
  <system.webServer>
    <modules runAllManagedModulesForAllRequests="true"/>
  </system.webServer>
</configuration>

ServiceReferences.ClientConfig

<configuration>
  <system.serviceModel>
    <bindings>
      <basicHttpBinding>        
        <binding name="BasicHttpBinding_ISendChatService" maxBufferSize="2147483647"
          maxReceivedMessageSize="2147483647">
          <security mode="None" />
        </binding>
      </basicHttpBinding>      
    </bindings>
    <client>      
      <endpoint address="http://localhost:53756/PrototypeSite/SendChatService.svc"
        binding="basicHttpBinding" bindingConfiguration="BasicHttpBinding_ISendChatService"
        contract="SendChatService.ISendChatService" name="BasicHttpBinding_ISendChatService" />
    </client>
  </system.serviceModel>
</configuration>

请求
发布 http://localhost:53756/PrototypeSite/SendChatService.svc HTTP/1.1
主机:本地主机:53756
连接:保持事件
推荐人: http://localhost:53756/PrototypeSite/ClientBin/Prototype.xap
内容长度:1348176
肥皂 Action :“http://tempuri.org/ISendChatService/addMsg”
内容类型:文本/xml；字符集=utf-8
接受:/
用户代理:Mozilla/5.0 (Windows NT 6.1) AppleWebKit/534.24 (KHTML, like Gecko) Chrome/11.0.696.68 Safari/534.24
接受编码:gzip、deflate、sdch
接受语言:en-US,en;q=0.8
接受字符集:ISO-8859-1,utf-8;q=0.7,*;q=0.3

回复
HTTP/1.1 400 错误请求
服务器:ASP.NET 开发服务器/10.0.0.0
日期:格林威治标准时间 2011 年 5 月 26 日星期四 17:48:00
X-AspNet-版本:4.0.30319
缓存控制:私有(private)
内容长度:0
连接:关闭

Answer 1

404/Not Found 是 Silverlight 针对所有服务器错误报告的错误。如果您想知道从服务器返回的实际错误，您可以使用类似 Fiddler 的内容。查看正在发送和接收的内容，包括包含服务器返回的实际错误代码和错误消息的 header 。