asp.net – PolicyException：无法获取所需的权限 – 此错误意味

发布时间：2020-12-16 07:21:00 所属栏目：asp.Net 来源：网络整理

导读：尝试加载aspx页面时出现此错误： Source Error:An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack tr

尝试加载aspx页面时出现此错误：

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[PolicyException: Required permissions cannot be acquired.]
   System.Security.SecurityManager.ResolvePolicy(Evidence evidence,PermissionSet reqdPset,PermissionSet optPset,PermissionSet denyPset,PermissionSet& denied,Boolean checkExecutionPermission) +2770052
   System.Security.SecurityManager.ResolvePolicy(Evidence evidence,Int32& securitySpecialFlags,Boolean checkExecutionPermission) +57

[FileLoadException: Could not load file or assembly 'SQLite.NET,Version=0.21.1869.3794,Culture=neutral,PublicKeyToken=c273bd375e695f9c' or one of its dependencies. Failed to grant minimum permission requests. (Exception from 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,Boolean forIntrospection) +54
   System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef,Boolean forIntrospection) +211
   System.Reflection.Assembly.InternalLoad(String assemblyString,Boolean forIntrospection) +141
   System.Reflection.Assembly.Load(String assemblyString) +25
   System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName,Boolean starDirective) +32

[ConfigurationErrorsException: Could not load file or assembly 'SQLite.NET,PublicKeyToken=c273bd375e695f9c' or one of its dependencies. Failed to grant minimum permission requests. (Exception from HRESULT: 0x80131417)]
   System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName,Boolean starDirective) +596
   System.Web.Configuration.CompilationSection.LoadAllAssembliesFromAppDomainBinDirectory() +211
   System.Web.Configuration.CompilationSection.LoadAssembly(AssemblyInfo ai) +46
   System.Web.Compilation.BuildManager.GetReferencedAssemblies(CompilationSection compConfig) +177
   System.Web.Compilation.BuildProvidersCompiler..ctor(VirtualPath configPath,Boolean supportLocalization,String outputAssemblyName) +185
   System.Web.Compilation.ApplicationBuildProvider.GetGlobalAsaxBuildResult(Boolean isPrecompiledApp) +230
   System.Web.Compilation.BuildManager.CompileGlobalAsax() +49
   System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +462

[HttpException (0x80004005): Could not load file or assembly 'SQLite.NET,PublicKeyToken=c273bd375e695f9c' or one of its dependencies. Failed to grant minimum permission requests. (Exception from HRESULT: 0x80131417)]
   System.Web.Compilation.BuildManager.ReportTopLevelCompilationException() +57
   System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +612
   System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager,IApplicationHost appHost,IConfigMapPathFactory configMapPathFactory,HostingEnvironmentParameters hostingParameters) +644

[HttpException (0x80004005): Could not load file or assembly 'SQLite.NET,PublicKeyToken=c273bd375e695f9c' or one of its dependencies. Failed to grant minimum permission requests. (Exception from HRESULT: 0x80131417)]
   System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +3465427
   System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +69
   System.Web.HttpRuntime.ProcessRequestInternal(HttpWorkerRequest wr) +279

解决方法

您是否将Web应用程序配置为中型信任,并且SQLite.NET程序集需要完全信任？

看看是否将其添加到您的web.config修复它：

<system.web>
    <securityPolicy>
        <trust level="Full" />
    </securityPolicy>

...
</system.web>

或者,如果您已拥有信任标记,请将级别更改为“完全”.

（编辑：李大同）

【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容!