问题描述
.Net Core 1.0.0 - SDK 预览版 2 (x64)
.Net Core 1.0.0 - VS 15"预览 2 (x64)
.Net Core 1.0.0 - VS "15" Preview 2 (x64)
.Net Core 1.0.0 - 运行时 (x64)
.Net Core 1.0.0 - Runtime (x64)
因此，我们将 RC1 应用程序更新为上述最新版本.经过数小时的切换引用后，它正在运行.但是，在登录 (AccountController/Login) 时，我在以下位置收到错误:
So, we updated an RC1 app to the latest versions above. After many hours of switching references, it's running. However, when logging in (AccountController/Login), I am getting an error at:
public class AccountController : BaseController
{
public UserManager<ApplicationUser> UserManager { get; private set; }
public SignInManager<ApplicationUser> SignInManager { get; private set; }
private readonly IEmailSender EmailSender;
public AccountController(UserManager<ApplicationUser> userManager, SignInManager<ApplicationUser> signInManager, IEmailSender emailSender)
{
UserManager = userManager;
SignInManager = signInManager;
EmailSender = emailSender;
}
// GET: /Account/Login
[HttpGet]
[AllowAnonymous]
public IActionResult Login(string returnUrl = null)
{
ViewBag.ReturnUrl = returnUrl;
return View();
}
//
// POST: /Account/Login
[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public async Task<IActionResult> Login(ViewModels.Account.LoginViewModel model, string returnUrl = null)
{
if (ModelState.IsValid)
{
// Errs this next line
var result = await SignInManager.PasswordSignInAsync(model.Email, model.Password, model.RememberMe, false); // <-- ERRS HERE '.PasswordSignInAsync'
if (result.Succeeded)
return RedirectToLocal(returnUrl);
ModelState.AddModelError("", "Invalid email or password.");
return View(model);
}
// If we got this far, something failed, redisplay form
return View(model);
}
它会爆炸并显示以下错误消息:
It blows up with the following error message:
InvalidOperationException:没有为此 DbContext 配置数据库提供程序.可以通过覆盖 DbContext.OnConfiguring 方法或在应用程序服务提供者上使用 AddDbContext 来配置提供者.如果使用 AddDbContext，还要确保您的 DbContext 类型在其构造函数中接受 DbContextOptions 对象并将其传递给 DbContext 的基本构造函数.
这是 Startup.cs:
Here is the Startup.cs:
public void ConfigureServices(IServiceCollection services)
{
services.Configure<AppSettings>(Configuration.GetSection("AppSettings"));
// Add EF services to the services container.
services.AddEntityFrameworkSqlServer()
.AddDbContext<LogManagerContext>(options =>
options.UseSqlServer(Configuration["Data:DefaultConnection:Connectionstring"]));
services.AddSingleton(c => Configuration);
// Add Identity services to the services container.
services.AddIdentity<ApplicationUser, IdentityRole>()
.AddEntityFrameworkStores<LogManagerContext>()
.AddDefaultTokenProviders();
// Add MVC services to the services container.
services.AddMvc();
services.AddTransient<IHttpContextAccessor, HttpContextAccessor>();
//Add all SignalR related services to IoC. - Signal R not ready yet - Chad
//services.AddSignalR();
//Add InMemoryCache
services.AddMemoryCache();
services.AddSession(options =>
{
options.IdleTimeout = System.TimeSpan.FromHours(1);
options.CookieName = ".LogManager";
});
// Uncomment the following line to add Web API servcies which makes it easier to port Web API 2 controllers.
// You need to add Microsoft.AspNet.Mvc.WebApiCompatShim package to project.json
// services.AddWebApiConventions();
// Register application services.
services.AddTransient<IEmailSender, AuthMessageSender>();
}
// Configure is called after ConfigureServices is called.
public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
{
app.UseSession();
// Configure the HTTP request pipeline.
// Add the console logger.
//loggerFactory.MinimumLevel = LogLevel.Information; - moved to appsettings.json -chad
loggerFactory.AddConsole();
loggerFactory.AddDebug();
loggerFactory.AddNLog();
// Add the following to the request pipeline only in development environment.
if (env.IsDevelopment())
{
app.UseBrowserLink();
app.UseDeveloperExceptionPage();
//app.UseDatabaseErrorPage(DatabaseErrorPageOptions.ShowAll);
}
else
{
// Add Error handling middleware which catches all application specific errors and
// sends the request to the following path or controller action.
app.UseExceptionHandler("/Home/Error");
}
env.ConfigureNLog("NLog.config");
// Add static files to the request pipeline.
app.UseStaticFiles();
// Add cookie-based authentication to the request pipeline.
app.UseIdentity();
//SignalR
//app.UseSignalR();
// Add MVC to the request pipeline.
app.UseMvc(routes =>
{
routes.MapRoute(
name: "default",
template: "{controller}/{action}/{id?}",
defaults: new { controller = "Home", action = "Index" }
);
// Uncomment the following line to add a route for porting Web API 2 controllers.
// routes.MapWebApiRoute("DefaultApi", "api/{controller}/{id?}");
});
}
这是上下文:
public class ApplicationUser : IdentityUser
{
// Add Custom Profile Fields
public string Name { get; set; }
}
public class LogManagerContext : IdentityDbContext<ApplicationUser>
{
public DbSet<LogEvent> LogEvents { get; set; }
public DbSet<Client> Clients { get; set; }
public DbSet<LogEventsHistory> LogEventsHistory { get; set; }
public DbSet<LogEventsLineHistory> LogEventsLineHistory { get; set; }
public DbSet<LogRallyHistory> LogRallyHistory { get; set; }
public DbSet<Flag> Flags { get; set; }
protected override void OnModelCreating(ModelBuilder builder)
{
builder.Entity<LogEvent>().HasKey(x => x.LogId);
builder.Entity<LogEvent>().ToTable("LogEvents");
builder.Entity<Client>().HasKey(x => x.ClientId);
builder.Entity<Client>().ToTable("Clients");
builder.Entity<LogEventsHistory>().HasKey(x => x.HistoryId);
builder.Entity<Flag>().HasKey(x => x.FlagId);
builder.Entity<Flag>().ToTable("Flags");
builder.Entity<LogRallyHistory>().HasKey(x => x.HistoryId);
builder.Entity<LogEventsLineHistory>().HasKey(x => x.LineHistoryId);
base.OnModelCreating(builder);
}
推荐答案
错误消息说您的 DbContext(LogManagerContext ) 需要一个接受 DbContextOptions 的构造函数.但是我在您的 DbContext 中找不到这样的构造函数.因此，添加以下构造函数可能会解决您的问题.
The error message says your DbContext(LogManagerContext ) needs a constructor which accepts a DbContextOptions. But I couldn't find such a constructor in your DbContext. So adding the below constructor probably solves your problem.
public LogManagerContext(DbContextOptions options) : base(options)
{
}
编辑评论
如果您没有明确注册IHttpContextAccessor，请使用以下代码:
If you don't register IHttpContextAccessor explicitly, use below code:
services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
这篇关于SignInManager.PasswordSignInAsync 上的“没有为此 DbContext 配置数据库提供程序"的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！