Question

我的代码非常适合小于45 Kb的文件但是当我上传文件大文件时，我收到了错误：

远程服务器返回错误：（400）错误请求。

描述：执行当前Web请求期间发生了未处理的异常。请查看堆栈跟踪以获取有关错误及其源自代码的位置的更多信息。

异常详细信息：System.Net.WebException：远程服务器返回错误：（400）错误请求。

来源错误：

Line 120:        [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Advanced)]
Line 121:        WebApplication2.ServiceReference1.uploadfileResponse WebApplication2.ServiceReference1.IService1.uploadfile(WebApplication2.ServiceReference1.RemoteFileInfo request) {
Line 122:            return base.Channel.uploadfile(request);
Line 123:        }
Line 124:

源文件：C:\Users\KHALED\documents\visual studio 2010\Projects\WcfServicefiles\WebApplication2\Service References\ServiceReference1\Reference.cs
行：122

堆栈追踪：

[WebException: The remote server returned an error: (400) Bad Request.]
   System.Net.HttpWebRequest.GetResponse() +6115427
   System.ServiceModel.Channels.HttpChannelRequest.WaitForReply(TimeSpan timeout) +48

[ProtocolException: The remote server returned an unexpected response: (400) Bad Request.]
   System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) +9455983
   System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) +345
   WebApplication2.ServiceReference1.IService1.uploadfile(RemoteFileInfo request) +0
   WebApplication2.ServiceReference1.Service1Client.WebApplication2.ServiceReference1.IService1.uploadfile(RemoteFileInfo request) in C:\Users\KHALED\documents\visual studio 2010\Projects\WcfServicefiles\WebApplication2\Service References\ServiceReference1\Reference.cs:122
  WebApplication2._Default.Button2_Click(Object sender, EventArgs e) in C:\Users\KHALED\documents\visual studio 2010\Projects\WcfServicefiles\WebApplication2\Default.aspx.cs:38
  System.Web.UI.WebControls.Button.OnClick(EventArgs e) +118
  System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +112
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
  System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
  System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36
  System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5563

这是我的服务器的webconfig代码：

<?xml version="1.0"?>
<configuration>

  <system.web>
    <compilation debug="true" targetFramework="4.0"/>
     <httpRuntime maxRequestLength="2097151"
    useFullyQualifiedRedirectUrl="true"
               executionTimeout="14400"

                 />
  </system.web>

  <system.serviceModel>
    <behaviors>
      <serviceBehaviors>
        <behavior name="SomeServiceServiceBehavior">
          <!--   To avoid disclosing metadata information, set the value below to false and remove the metadata endpoint above before deployment -->
          <serviceMetadata httpGetEnabled="true"/>
          <serviceDebug includeExceptionDetailInFaults="true"/>
          <dataContractSerializer maxItemsInObjectGraph="6553600"/>
          <!-- To receive exception details in faults for debugging purposes, set the value below to true.  Set to false before deployment to avoid disclosing exception information -->

        </behavior>
      </serviceBehaviors>
    </behaviors>
    <bindings>
      <basicHttpBinding>
        <binding name="Service1"
        maxReceivedMessageSize="2147483647"
        maxBufferSize="2147483647" transferMode="Streamed">
          <readerQuotas maxDepth="2147483647" maxStringContentLength="2147483647"
        maxArrayLength="2147483647" maxBytesPerRead="2147483647"
        maxNameTableCharCount="2147483647"/>
          <security mode="None">
            <transport clientCredentialType="Ntlm"/>
          </security>
        </binding>            
      </basicHttpBinding>
    </bindings>
    <services>
      <service name="Service1.svc.cs"  >
        <endpoint address="" binding="basicHttpBinding"
                  bindingConfiguration="Service1"
                  contract="IService1" >

        </endpoint>



      </service>

    </services>


    <serviceHostingEnvironment multipleSiteBindingsEnabled="true" />
  </system.serviceModel>
 <system.webServer>
    <modules runAllManagedModulesForAllRequests="true"/>

  </system.webServer>

</configuration>

这是客户端的web.config

<?xml version="1.0"?>

<!--
  For more information on how to configure your ASP.NET application, please visit
  http://go.microsoft.com/fwlink/?LinkId=169433
  -->

<configuration>
  <configSections>
  </configSections>
  <connectionStrings>
    <add name="ApplicationServices"
         connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|\aspnetdb.mdf;User Instance=true"
         providerName="System.Data.SqlClient" />
  </connectionStrings>

  <system.web>
    <compilation debug="true" targetFramework="4.0"/>
      <httpRuntime maxRequestLength="2097150"      />

    <authentication mode="Forms">
      <forms loginUrl="~/Account/Login.aspx" timeout="2880" />
    </authentication>

    <membership>
      <providers>
        <clear/>
        <add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider" connectionStringName="ApplicationServices"
             enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="false" requiresUniqueEmail="false"
             maxInvalidPasswordAttempts="5" minRequiredPasswordLength="6" minRequiredNonalphanumericCharacters="0" passwordAttemptWindow="10"
             applicationName="/" />
      </providers>
    </membership>

    <profile>
      <providers>
        <clear/>
        <add name="AspNetSqlProfileProvider" type="System.Web.Profile.SqlProfileProvider" connectionStringName="ApplicationServices" applicationName="/"/>
      </providers>
    </profile>

    <roleManager enabled="false">
      <providers>
        <clear/>
        <add name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider" connectionStringName="ApplicationServices" applicationName="/" />
        <add name="AspNetWindowsTokenRoleProvider" type="System.Web.Security.WindowsTokenRoleProvider" applicationName="/" />
      </providers>
    </roleManager>

  </system.web>

  <system.webServer>
     <modules runAllManagedModulesForAllRequests="true"/>
  </system.webServer>
  <system.serviceModel>
    <behaviors>
      <serviceBehaviors>

        <behavior  name="SomeServiceServiceBehavior">
          <dataContractSerializer maxItemsInObjectGraph="6553600"/>

        </behavior>
      </serviceBehaviors>
      <endpointBehaviors>
        <behavior  name="SomeServiceServiceBehavior">
          <dataContractSerializer maxItemsInObjectGraph="6553600"/>
        </behavior>
      </endpointBehaviors>
    </behaviors>
    <bindings>
      <basicHttpBinding>
        <binding name="BasicHttpBinding_IService1" closeTimeout="04:01:00"
          openTimeout="04:01:00" receiveTimeout="04:10:00" sendTimeout="04:01:00"
          allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard"
          maxBufferSize="2147483647" maxBufferPoolSize="2147483647" maxReceivedMessageSize="2147483647"
          messageEncoding="Text" textEncoding="utf-8" transferMode="Streamed"
          useDefaultWebProxy="true">
          <readerQuotas maxDepth="128" maxStringContentLength="2147483647" maxArrayLength="2147483647"
            maxBytesPerRead="2147483647" maxNameTableCharCount="2147483647" />
          <security mode="None">
            <transport clientCredentialType="None" proxyCredentialType="None"
              realm="" />
            <message clientCredentialType="UserName" algorithmSuite="Default" />
          </security>
        </binding>
      </basicHttpBinding>
    </bindings>
    <client>
     <endpoint address="http://localhost/WcfServicefiles/Service1.svc"
        binding="basicHttpBinding" bindingConfiguration="BasicHttpBinding_IService1"
        contract="ServiceReference1.IService1" name="BasicHttpBinding_IService1" />
    </client>
  </system.serviceModel>
</configuration>

Answer 1

服务器的下一部分web.config

  <services>
      <service name="Service1.svc.cs"  >
        <endpoint address="" binding="basicHttpBinding"
                  bindingConfiguration="Service1"
                  contract="IService1" >
        </endpoint>
      </service>
    </services>

有一些错误的属性值。 service元素的name属性的值必须是namespace.Service1，类似于endpoint元素的contract属性值需要是namespace.IService1，如下所示：

  <services>
      <service name="<namespace>.Service1"  >
        <endpoint address="" binding="basicHttpBinding"
                  bindingConfiguration="Service1"
                  contract="<namespace>.IService1" >
        </endpoint>
      </service>
    </services>

只需替换Service1类的命名空间即可。这应该工作

Answer 2

请尝试以下示例：http://www.codeproject.com/Articles/166763/WCF-Streaming-Upload-Download-Files-Over-HTTP

我无法使用wcf上传大于45 KB的文件

2 个答案: