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匿名用户无法通过表单身份验证和输出缓存访问 DependencyHandler.axd。

启用表单身份验证

<authentication mode="Forms">
  <forms loginUrl="~/account/" slidingExpiration="true" timeout="10080" requireSSL="true" />
</authentication>

配置输出缓存

  <caching>
    <outputCache enableOutputCache="true" defaultProvider="Memcached">
      <providers>
        <add name="Memcached" type="Enyim.Caching.Web.MemcachedOutputCacheProvider, Enyim.Caching.Web" />
      </providers>
    </outputCache>
  </caching>

配置 CDF：

    <clientDependency loggerType="" version="15">
    <fileRegistration>
      <providers>
        <clear />
      </providers>
    </fileRegistration>
    <compositeFiles defaultFileProcessingProvider="CompositeFileProcessor" defaultFileMapProvider="XmlFileMap" compositeFileHandlerPath="~/DependencyHandler.axd">
      <fileProcessingProviders>
        <clear />
        <add name="CompositeFileProcessor" type="ClientDependency.Core.CompositeFiles.Providers.CompositeFileProcessingProvider, ClientDependency.Core" urlType="Base64QueryStrings" persistFiles="false" />
      </fileProcessingProviders>
    </compositeFiles>
  </clientDependency>

看起来FormsAuthenticationModule跳过了 .axd 文件，因此它没有初始化用户，然后在执行OutputCacheModule时抛出异常，因为用户为 null onLeave 事件。

例外是在第1882行RequestRequiresAuthorization()

异常详情：

System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.HttpContext.RequestRequiresAuthorization()
   at System.Web.Caching.OutputCacheModule.OnLeave(Object source, EventArgs eventArgs)
   at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
4

1 回答 1

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允许 DefaultAuthentication 解决了问题

我在配置文件中有这些配置

  <remove name="DefaultAuthentication" />
  <remove name="AnonymousIdentification" />

删除以上 2 行解决了问题

于 2016-01-26T10:27:31.817 回答