在国内某家服务商买了一个支持Shtml、ASP、ASP.net、PHP、Perl、Python脚本类型的空间,然而却无法运行iwms CMS,显示错误如下:
- “/”应用程序中的服务器错误。
- 无法获取所需的权限。
- 说明: 执行当前 Web 请求期间,出现未处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。
- 异常详细信息: System.Security.Policy.PolicyException: 无法获取所需的权限。
- 源错误:
- 执行当前 Web 请求期间生成了未处理的异常。可以使用下面的异常堆栈跟踪信息确定有关异常原因和发生位置的信息。
- 堆栈跟踪:
- [PolicyException: 无法获取所需的权限。]
- System.Security.SecurityManager.ResolvePolicy(Evidence evidence, PermissionSet reqdPset, PermissionSet optPset, PermissionSet denyPset, PermissionSet& denied, Boolean checkExecutionPermission) +7608563
- System.Security.SecurityManager.ResolvePolicy(Evidence evidence, PermissionSet reqdPset, PermissionSet optPset, PermissionSet denyPset, PermissionSet& denied, Int32& securitySpecialFlags, Boolean checkExecutionPermission) +57
- [FileLoadException: 未能加载文件或程序集“IWMS_Quantizer, Version=4.5.1001.0, Culture=neutral, PublicKeyToken=null”或它的某一个依赖项。未能授予最小权限请求。 (异常来自 HRESULT:0x80131417)]
- System.Reflection.Assembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection) +0
- System.Reflection.Assembly.nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection) +43
- System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) +127
- System.Reflection.Assembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) +142
- System.Reflection.Assembly.Load(String assemblyString) +28
- System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +46
- [ConfigurationErrorsException: 未能加载文件或程序集“IWMS_Quantizer, Version=4.5.1001.0, Culture=neutral, PublicKeyToken=null”或它的某一个依赖项。未能授予最小权限请求。 (异常来自 HRESULT:0x80131417)]
- System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +613
- System.Web.Configuration.CompilationSection.LoadAllAssembliesFromAppDomainBinDirectory() +203
- System.Web.Configuration.CompilationSection.LoadAssembly(AssemblyInfo ai) +105
- System.Web.Compilation.BuildManager.GetReferencedAssemblies(CompilationSection compConfig) +178
- System.Web.Compilation.BuildProvidersCompiler..ctor(VirtualPath configPath, Boolean supportLocalization, String outputAssemblyName) +54
- System.Web.Compilation.ApplicationBuildProvider.GetGlobalAsaxBuildResult(Boolean isPrecompiledApp) +227
- System.Web.Compilation.BuildManager.CompileGlobalAsax() +52
- System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +337
- [HttpException (0x80004005): 未能加载文件或程序集“IWMS_Quantizer, Version=4.5.1001.0, Culture=neutral, PublicKeyToken=null”或它的某一个依赖项。未能授予最小权限请求。 (异常来自 HRESULT:0x80131417)]
- System.Web.Compilation.BuildManager.ReportTopLevelCompilationException() +58
- System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +512
- System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters) +729
- [HttpException (0x80004005): 未能加载文件或程序集“IWMS_Quantizer, Version=4.5.1001.0, Culture=neutral, PublicKeyToken=null”或它的某一个依赖项。未能授予最小权限请求。 (异常来自 HRESULT:0x80131417)]
- System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +8907951
- System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +85
- System.Web.HttpRuntime.ProcessRequestInternal(HttpWorkerRequest wr) +259
- 版本信息: Microsoft .NET Framework 版本:2.0.50727.3643; ASP.NET 版本:2.0.50727.3634
导致该问题的原因:
您好,因为近期我司服务器受到多次严重安全问题影响,经过查询是.net安全级别导致。所以从即日起我司将所有服务器的.net安全级别都提升到了最高级别。这样有部分客户的网站因为程序是在宽松权限的环境下开发的,访问就会出现错误。但这个没办法,我们也是深思熟虑后才这样做的。您可以对您的网站程序进行修改来提高程序的安全级别或者购买我们的云主机。
解决方案:更换支持的空间或者购买云主机(VPS)。