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我收到以下错误:"无法找到或加载已注册的.Net Framework数据提供程序." 它只发生在AppHarbor服务器上,而不是我的本地服务器

我使用.Net mvc4和mysql

我已经添加了MySql.Data,MySql.Data.Entity,MySql.Web来引用并设置Copy Local = true.我也将bin文件夹推送到AppHarbor

这是我的web.config:

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <configSections>
    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false"/>
  </configSections>
  <system.data>
    <DbProviderFactories>
      <remove invariant="MySql.Data.MySqlClient"/>
      <add name="MySQL Data Provider" invariant="MySql.Data.MySqlClient" description=".Net Framework Data Provider for MySQL" type="MySql.Data.MySqlClient.MySqlClientFactory, MySql.Data, Version=6.5.4.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d"/>
    </DbProviderFactories>
  </system.data>
  <connectionStrings>
    <add name="fmcdatabaseEntities" connectionString="metadata=res://*/Models.FMCEntityDataModel.csdl|res://*/Models.FMCEntityDataModel.ssdl|res://*/Models.FMCEntityDataModel.msl;provider=MySql.Data.MySqlClient;provider connection string=&quot;server=****;uid=****;port=3306;database=****&quot;" providerName="System.Data.EntityClient"/>
  </connectionStrings>
  <appSettings>
    <add key="webpages:Version" value="2.0.0.0"/>
    <add key="webpages:Enabled" value="false"/>
    <add key="PreserveLoginUrl" value="true"/>
    <add key="ClientValidationEnabled" value="true"/>
    <add key="UnobtrusiveJavaScriptEnabled" value="true"/>
    <add key="enableSimpleMembership" value="false"/>
    <add key="autoFormsAuthentication" value="false"/>
  </appSettings>
  <system.web>
    <compilation debug="true" …