ASP.NET 5 (RC1) Bad Gateway: 指定的 CGI 应用程序遇到错误，服务器终止了进程
ASP.NET 5 (RC1) Bad Gateway: The specified CGI application encountered an error and the server terminated the process
我是 运行 Azure Web 应用程序中的一个 ASP.NET 5 项目。
当使用大约 1.5mb 或更大的文件（表单数据）调用 API 端点时，我在响应正文中收到 502 Bad Gateway 和以下消息：
The specified CGI application encountered an error and the server
terminated the process.
奇怪的是，当上传较小的文件时，调用工作正常。它似乎在 1.5mb 标记附近产生 502，但并不完全一致。
我正在使用 ASP.NET 5 RC1。
在 Startup.cs 中，我在 Configure() 方法中添加了 app.UseIISPlatformHandler(); 作为第一个中间件。
project.config:
{
...
"webroot": "wwwroot",
"dependencies": {
"Microsoft.ApplicationInsights.AspNet": "1.0.0-rc1",
"Microsoft.AspNet.Mvc": "6.0.0-rc1-final",
"Microsoft.AspNet.Server.Kestrel": "1.0.0-rc1-final",
"Microsoft.AspNet.Diagnostics": "1.0.0-rc1-final",
"Microsoft.AspNet.Authorization": "1.0.0-rc1-final",
"Microsoft.AspNet.Mvc.Core": "6.0.0-rc1-final",
"Microsoft.AspNet.Mvc.Abstractions": "6.0.0-rc1-final",
"Microsoft.AspNet.Authentication.JwtBearer": "1.0.0-rc1-final",
"Microsoft.Extensions.PlatformAbstractions": "1.0.0-rc1-final",
"Microsoft.AspNet.StaticFiles": "1.0.0-rc1-final",
"Microsoft.Extensions.Logging": "1.0.0-rc1-final",
"Microsoft.Extensions.Logging.Abstractions": "1.0.0-rc1-final",
"Microsoft.Extensions.Configuration": "1.0.0-rc1-final",
"Microsoft.Extensions.Configuration.Json": "1.0.0-rc1-final",
"Microsoft.Extensions.Configuration.EnvironmentVariables": "1.0.0-rc1-final",
"Newtonsoft.Json": "6.0.6",
"WindowsAzure.Storage": "5.0.2",
"Microsoft.AspNet.IISPlatformHandler": "1.0.0-rc1-final",
...
},
"commands": {
"web": "Microsoft.AspNet.Server.Kestrel"
},
"frameworks": {
"dnx451": { }
},
}
编辑：
根据 Jessevl 的建议，抛出了以下异常：
System.IO.InvalidDataException: Unexpected end of request content at
Microsoft.AspNet.Server.Kestrel.Http.MessageBody.ForContentLength.d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown --- at
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
task) at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task) at
Microsoft.AspNet.WebUtilities.FileBufferingReadStream.d__27.MoveNext()
--- End of stack trace from previous location where exception was thrown --- at
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
task) at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task) at
Microsoft.AspNet.WebUtilities.BufferedReadStream.d__39.MoveNext() ---
End of stack trace from previous location where exception was thrown
--- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
task) at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task) at
Microsoft.AspNet.WebUtilities.MultipartReaderStream.d__36.MoveNext()
--- End of stack trace from previous location where exception was thrown --- at
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
task) at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task) at
Microsoft.AspNet.WebUtilities.StreamHelperExtensions.d__0.MoveNext()
--- End of stack trace from previous location where exception was thrown --- at
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
task) at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task) at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task
task) at
Microsoft.AspNet.Http.Features.Internal.FormFeature.d__12.MoveNext()
--- End of stack trace from previous location where exception was thrown --- at
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
task) at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task) at
Microsoft.AspNet.Mvc.ModelBinding.FormValueProviderFactory.d__1.MoveNext()
--- End of stack trace from previous location where exception was thrown --- at
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
task) at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task) at
Microsoft.AspNet.Mvc.ModelBinding.CompositeValueProvider.d__2.MoveNext()
--- End of stack trace from previous location where exception was thrown --- at
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
task) at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task) at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task
task) at
Microsoft.AspNet.Mvc.Controllers.FilterActionInvoker.d__49.MoveNext()
--- End of stack trace from previous location where exception was thrown --- at
Microsoft.AspNet.Mvc.Controllers.FilterActionInvoker.d__44.MoveNext()
--- End of stack trace from previous location where exception was thrown --- at
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
task) at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task) at
Microsoft.AspNet.Mvc.Infrastructure.MvcRouteHandler.d__6.MoveNext()
--- End of stack trace from previous location where exception was thrown --- at
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
task) at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task) at
Microsoft.AspNet.Mvc.Routing.InnerAttributeRoute.d__10.MoveNext() ---
End of stack trace from previous location where exception was thrown
--- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
task) at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task) at Microsoft.AspNet.Routing.RouteCollection.d__9.MoveNext() ---
End of stack trace from previous location where exception was thrown
--- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
task) at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task) at Microsoft.AspNet.Builder.RouterMiddleware.d__4.MoveNext() ---
End of stack trace from previous location where exception was thrown
--- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
task) at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task) at
Microsoft.ApplicationInsights.AspNet.RequestTrackingMiddleware.d__4.MoveNext()
--- End of stack trace from previous location where exception was thrown --- at
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
task) at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task) at
Microsoft.AspNet.IISPlatformHandler.IISPlatformHandlerMiddleware.d__8.MoveNext()
--- End of stack trace from previous location where exception was thrown --- at
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
task) at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task) at
Microsoft.AspNet.Hosting.Internal.RequestServicesContainerMiddleware.d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown --- at
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
task) at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task) at
Microsoft.AspNet.Hosting.Internal.HostingEngine.<>c__DisplayClass32_0.d.MoveNext()
--- End of stack trace from previous location where exception was thrown --- at
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
task) at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task) at Microsoft.AspNet.Server.Kestrel.Http.Frame.d__79.MoveNext()
Asp.Net 5 的当前版本似乎存在某种问题，在 Azure Web 应用程序中 运行 时返回的错误始终是
The specified CGI application encountered an error and the server terminated the process.
不管实际错误是什么。例如，当我在我的代码中某处连接到 Azure 事件中心的字符串不正确时，我遇到了这个错误。
您可以尝试远程调试（请参阅 here）或使用 Kudu 简单地扫描您的日志，您可以在 [websitename].scm.azurewebsites.net 上找到它（将 [websitename] 替换为通常的内容在 [网站名称].azurewebsites.net) 或 Visual Studio 服务器资源管理器中。
杰西
我是 运行 Azure Web 应用程序中的一个 ASP.NET 5 项目。
当使用大约 1.5mb 或更大的文件（表单数据）调用 API 端点时，我在响应正文中收到 502 Bad Gateway 和以下消息：
The specified CGI application encountered an error and the server terminated the process.
奇怪的是，当上传较小的文件时，调用工作正常。它似乎在 1.5mb 标记附近产生 502，但并不完全一致。
我正在使用 ASP.NET 5 RC1。
在 Startup.cs 中，我在 Configure() 方法中添加了 app.UseIISPlatformHandler(); 作为第一个中间件。
project.config:
{
...
"webroot": "wwwroot",
"dependencies": {
"Microsoft.ApplicationInsights.AspNet": "1.0.0-rc1",
"Microsoft.AspNet.Mvc": "6.0.0-rc1-final",
"Microsoft.AspNet.Server.Kestrel": "1.0.0-rc1-final",
"Microsoft.AspNet.Diagnostics": "1.0.0-rc1-final",
"Microsoft.AspNet.Authorization": "1.0.0-rc1-final",
"Microsoft.AspNet.Mvc.Core": "6.0.0-rc1-final",
"Microsoft.AspNet.Mvc.Abstractions": "6.0.0-rc1-final",
"Microsoft.AspNet.Authentication.JwtBearer": "1.0.0-rc1-final",
"Microsoft.Extensions.PlatformAbstractions": "1.0.0-rc1-final",
"Microsoft.AspNet.StaticFiles": "1.0.0-rc1-final",
"Microsoft.Extensions.Logging": "1.0.0-rc1-final",
"Microsoft.Extensions.Logging.Abstractions": "1.0.0-rc1-final",
"Microsoft.Extensions.Configuration": "1.0.0-rc1-final",
"Microsoft.Extensions.Configuration.Json": "1.0.0-rc1-final",
"Microsoft.Extensions.Configuration.EnvironmentVariables": "1.0.0-rc1-final",
"Newtonsoft.Json": "6.0.6",
"WindowsAzure.Storage": "5.0.2",
"Microsoft.AspNet.IISPlatformHandler": "1.0.0-rc1-final",
...
},
"commands": {
"web": "Microsoft.AspNet.Server.Kestrel"
},
"frameworks": {
"dnx451": { }
},
}
编辑：
根据 Jessevl 的建议，抛出了以下异常：
System.IO.InvalidDataException: Unexpected end of request content at Microsoft.AspNet.Server.Kestrel.Http.MessageBody.ForContentLength.d__3.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNet.WebUtilities.FileBufferingReadStream.d__27.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNet.WebUtilities.BufferedReadStream.d__39.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNet.WebUtilities.MultipartReaderStream.d__36.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNet.WebUtilities.StreamHelperExtensions.d__0.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task) at Microsoft.AspNet.Http.Features.Internal.FormFeature.d__12.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNet.Mvc.ModelBinding.FormValueProviderFactory.d__1.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNet.Mvc.ModelBinding.CompositeValueProvider.d__2.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task) at Microsoft.AspNet.Mvc.Controllers.FilterActionInvoker.d__49.MoveNext() --- End of stack trace from previous location where exception was thrown --- at Microsoft.AspNet.Mvc.Controllers.FilterActionInvoker.d__44.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNet.Mvc.Infrastructure.MvcRouteHandler.d__6.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNet.Mvc.Routing.InnerAttributeRoute.d__10.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNet.Routing.RouteCollection.d__9.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNet.Builder.RouterMiddleware.d__4.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.ApplicationInsights.AspNet.RequestTrackingMiddleware.d__4.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNet.IISPlatformHandler.IISPlatformHandlerMiddleware.d__8.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNet.Hosting.Internal.RequestServicesContainerMiddleware.d__3.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNet.Hosting.Internal.HostingEngine.<>c__DisplayClass32_0.d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNet.Server.Kestrel.Http.Frame.d__79.MoveNext()
Asp.Net 5 的当前版本似乎存在某种问题，在 Azure Web 应用程序中 运行 时返回的错误始终是
The specified CGI application encountered an error and the server terminated the process.
不管实际错误是什么。例如，当我在我的代码中某处连接到 Azure 事件中心的字符串不正确时，我遇到了这个错误。
您可以尝试远程调试（请参阅 here）或使用 Kudu 简单地扫描您的日志，您可以在 [websitename].scm.azurewebsites.net 上找到它（将 [websitename] 替换为通常的内容在 [网站名称].azurewebsites.net) 或 Visual Studio 服务器资源管理器中。
杰西