asp.net-core - ASP.NET Core Blazor Web 应用程序发布问题
问题描述
我和一位同事最近完成了我们的网站，用于制作日记条目和记录学校成绩。我们使用 ASP.NET Core 和 Blazor 制作了网站。在 Visual Studio 中启动时，没有错误，一切正常。然后，我们将网站发布为单文件可执行文件，并将所述文件上传到服务器。然后我们在服务器上安装了 Nginx。然后我们确保重定向到正确的端口（端口 5000）。现在，只要我启动可执行文件，一开始一切似乎都运行良好：
info: Microsoft.AspNetCore.DataProtection.KeyManagement.XmlKeyManager[0]
User profile is available. Using '/home/admin/.aspnet/DataProtection-Keys' as key repository; keys will not be encrypted at rest.
info: Microsoft.Hosting.Lifetime[0]
Now listening on: http://localhost:5000
info: Microsoft.Hosting.Lifetime[0]
Application started. Press Ctrl+C to shut down.
info: Microsoft.Hosting.Lifetime[0]
Hosting environment: Production
info: Microsoft.Hosting.Lifetime[0]
Content root path: /home/FHNW_ASS
但是，一旦我想从浏览器访问该网站，就会发生以下情况：
info: Microsoft.AspNetCore.Hosting.Diagnostics[1]
Request starting HTTP/1.1 GET http://server0070.cs.technik.fhnw.ch/
warn: Microsoft.AspNetCore.HttpsPolicy.HttpsRedirectionMiddleware[3]
Failed to determine the https port for redirect.
fail: Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware[1]
An unhandled exception has occurred while executing the request.
Microsoft.Extensions.Options.OptionsValidationException: The 'Instance' option must be provided.
at Microsoft.Extensions.Options.OptionsFactory`1.Create(String name)
at Microsoft.Extensions.Options.OptionsMonitor`1.<>c__DisplayClass11_0.<Get>b__0()
at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode)
at System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor)
at System.Lazy`1.CreateValue()
at System.Lazy`1.get_Value()
at Microsoft.Extensions.Options.OptionsCache`1.GetOrAdd(String name, Func`1 createOptions)
at Microsoft.Extensions.Options.OptionsMonitor`1.Get(String name)
at Microsoft.AspNetCore.Authentication.AzureAD.UI.AzureADOpenIdConnectOptionsConfiguration.Configure(String name, OpenIdConnectOptions options)
at Microsoft.Extensions.Options.OptionsFactory`1.Create(String name)
at Microsoft.Extensions.Options.OptionsMonitor`1.<>c__DisplayClass11_0.<Get>b__0()
at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode)
at System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor)
at System.Lazy`1.CreateValue()
at System.Lazy`1.get_Value()
at Microsoft.Extensions.Options.OptionsCache`1.GetOrAdd(String name, Func`1 createOptions)
at Microsoft.Extensions.Options.OptionsMonitor`1.Get(String name)
at Microsoft.AspNetCore.Authentication.AuthenticationHandler`1.InitializeAsync(AuthenticationScheme scheme, HttpContext context)
at Microsoft.AspNetCore.Authentication.AuthenticationHandlerProvider.GetHandlerAsync(HttpContext context, String authenticationScheme)
at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context)
at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware.<Invoke>g__Awaited|6_0(ExceptionHandlerMiddleware middleware, HttpContext context, Task task)
fail: Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware[3]
An exception was thrown attempting to execute the error handler.
Microsoft.Extensions.Options.OptionsValidationException: The 'Instance' option must be provided.
at Microsoft.Extensions.Options.OptionsFactory`1.Create(String name)
at Microsoft.Extensions.Options.OptionsMonitor`1.<>c__DisplayClass11_0.<Get>b__0()
at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode)
at System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor)
at System.Lazy`1.CreateValue()
at System.Lazy`1.get_Value()
at Microsoft.Extensions.Options.OptionsCache`1.GetOrAdd(String name, Func`1 createOptions)
at Microsoft.Extensions.Options.OptionsMonitor`1.Get(String name)
at Microsoft.AspNetCore.Authentication.AzureAD.UI.AzureADOpenIdConnectOptionsConfiguration.Configure(String name, OpenIdConnectOptions options)
at Microsoft.Extensions.Options.OptionsFactory`1.Create(String name)
at Microsoft.Extensions.Options.OptionsMonitor`1.<>c__DisplayClass11_0.<Get>b__0()
at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode)
--- End of stack trace from previous location where exception was thrown ---
at System.Lazy`1.CreateValue()
at System.Lazy`1.get_Value()
at Microsoft.Extensions.Options.OptionsCache`1.GetOrAdd(String name, Func`1 createOptions)
at Microsoft.Extensions.Options.OptionsMonitor`1.Get(String name)
at Microsoft.AspNetCore.Authentication.AuthenticationHandler`1.InitializeAsync(AuthenticationScheme scheme, HttpContext context)
at Microsoft.AspNetCore.Authentication.AuthenticationHandlerProvider.GetHandlerAsync(HttpContext context, String authenticationScheme)
at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context)
at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware.HandleException(HttpContext context, ExceptionDispatchInfo edi)
fail: Microsoft.AspNetCore.Server.Kestrel[13]
Connection id "0HM4FGBOGTTSI", Request id "0HM4FGBOGTTSI:00000001": An unhandled exception was thrown by the application.
Microsoft.Extensions.Options.OptionsValidationException: The 'Instance' option must be provided.
at Microsoft.Extensions.Options.OptionsFactory`1.Create(String name)
at Microsoft.Extensions.Options.OptionsMonitor`1.<>c__DisplayClass11_0.<Get>b__0()
at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode)
at System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor)
at System.Lazy`1.CreateValue()
at System.Lazy`1.get_Value()
at Microsoft.Extensions.Options.OptionsCache`1.GetOrAdd(String name, Func`1 createOptions)
at Microsoft.Extensions.Options.OptionsMonitor`1.Get(String name)
at Microsoft.AspNetCore.Authentication.AzureAD.UI.AzureADOpenIdConnectOptionsConfiguration.Configure(String name, OpenIdConnectOptions options)
at Microsoft.Extensions.Options.OptionsFactory`1.Create(String name)
at Microsoft.Extensions.Options.OptionsMonitor`1.<>c__DisplayClass11_0.<Get>b__0()
at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode)
at System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor)
at System.Lazy`1.CreateValue()
at System.Lazy`1.get_Value()
at Microsoft.Extensions.Options.OptionsCache`1.GetOrAdd(String name, Func`1 createOptions)
at Microsoft.Extensions.Options.OptionsMonitor`1.Get(String name)
at Microsoft.AspNetCore.Authentication.AuthenticationHandler`1.InitializeAsync(AuthenticationScheme scheme, HttpContext context)
at Microsoft.AspNetCore.Authentication.AuthenticationHandlerProvider.GetHandlerAsync(HttpContext context, String authenticationScheme)
at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context)
at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware.<Invoke>g__Awaited|6_0(ExceptionHandlerMiddleware middleware, HttpContext context, Task task)
at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware.HandleException(HttpContext context, ExceptionDispatchInfo edi)
at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware.<Invoke>g__Awaited|6_0(ExceptionHandlerMiddleware middleware, HttpContext context, Task task)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.ProcessRequests[TContext](IHttpApplication`1 application)
info: Microsoft.AspNetCore.Hosting.Diagnostics[2]
Request finished in 79.4377ms 500
这是 Startup.cs 文件：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using FHNW_ASS.Helpers;
using FHNW_ASS.Models;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Components;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Pomelo.EntityFrameworkCore.MySql.Infrastructure;
using Blazored.Modal;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc.Authorization;
using Microsoft.AspNetCore.Authentication.AzureAD.UI;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using FHNW_ASS.Services;
namespace FHNW_ASS
{
public class Startup
{
public Startup(IConfiguration configuration)
{
Configuration = configuration;
}
public IConfiguration Configuration { get; }
// This method gets called by the runtime. Use this method to add services to the container.
// For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
public void ConfigureServices(IServiceCollection services)
{
services.AddCors();
services.AddRazorPages();
services.AddServerSideBlazor();
services.AddBlazoredModal();
services.AddTransient<IJournalService, JournalService>();
services.AddTransient<IGradeService , GradeService>();
services.AddTransient<IUserService, UserService>();
services.AddTransient<ICascadingDropdownService, CascadingDropdownService>();
services.AddHttpContextAccessor();
services.AddAuthentication(AzureADDefaults.AuthenticationScheme).AddAzureAD(options => this.Configuration.Bind("AzureAd", options));
services.AddControllersWithViews(options =>
{
var policy = new AuthorizationPolicyBuilder()
.RequireAuthenticatedUser()
.Build();
options.Filters.Add(new AuthorizeFilter(policy));
});
var appSetingsSection = Configuration.GetSection("AppSettings");
services.Configure<AppSettings>(appSetingsSection);
var appSettings = appSetingsSection.Get<AppSettings>();
services.AddDbContext<FHNW_ASSContext>(options =>
{
options.UseMySql(appSettings.SqlConnectionString, mysqlOptions =>
{
mysqlOptions.ServerVersion(new Version(10, 1, 39), ServerType.MySql);
});
}, ServiceLifetime.Transient);
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
app.UseExceptionHandler("/Error");
app.UseHsts();
}
app.UseHttpsRedirection();
app.UseStaticFiles();
app.UseRouting();
app.UseAuthentication();
app.UseAuthorization();
app.UseEndpoints(endpoints =>
{
endpoints.MapBlazorHub();
endpoints.MapFallbackToPage("/_Host");
});
}
}
}
这里是 appsettings.json（出于安全原因，我显然拿走了 ClientID、TenantID、用户名和密码）：
{
"Logging": {
"LogLevel": {
"Default": "Information",
"Microsoft": "Warning",
"Microsoft.Hosting.Lifetime": "Information"
}
},
"AllowedHosts": "*",
"ConnectionStrings": {
"SqlConnectionString": "Server=10.35.146.70;Port=64141;database=FHNW_ASS;user id=;password="
},
"AzureAd": {
"Instance": "https://login.microsoftonline.com/",
"Domain": "fhnw.ch",
"TenantId": "",
"ClientId": "",
"CallbackPath": "/signin-oidc"
},
"appSettings": {
"SqlConnectionString": "Server=10.35.146.70;Port=64141;database=FHNW_ASS;user id=;password="
},
"Urls": {
"Urls": "http://localhost:64141"
}
}
这是launchSettings.json：
{
"iisSettings": {
"windowsAuthentication": false,
"anonymousAuthentication": true,
"iisExpress": {
"applicationUrl": "http://localhost:62653",
"sslPort": 44397
}
},
"profiles": {
"IIS Express": {
"commandName": "IISExpress",
"launchBrowser": true,
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
}
},
"FHNW_ASS": {
"commandName": "Project",
"launchBrowser": true,
//"applicationUrl": "https://localhost:5001;http://localhost:5000",
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
}
}
}
}
我希望您能够帮助我，当您需要任何其他信息时让我知道，我会看看是否可以提供！
解决方案
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