Asp.net mvc 突然从entityframework获取异常
我时常会遇到这样的例外情况: 无法将“用户”上的“电子邮件”属性设置为“System.Int64”值。必须将此属性设置为“System.String”类型的非空值。方法消息:,LogException:System.InvalidOperationException:“用户”上的“电子邮件”属性无法设置为“System.Int64”值。必须将此属性设置为“System.String”类型的非空值。 位于System.Data.Entity.Core.Common.Internal.Materialization.Shaper.ErrorHandlingValueReaderAsp.net mvc 突然从entityframework获取异常,asp.net-mvc,entity-framework,azure,asp.net-identity,azure-sql-database,Asp.net Mvc,Entity Framework,Azure,Asp.net Identity,Azure Sql Database,我时常会遇到这样的例外情况: 无法将“用户”上的“电子邮件”属性设置为“System.Int64”值。必须将此属性设置为“System.String”类型的非空值。方法消息:,LogException:System.InvalidOperationException:“用户”上的“电子邮件”属性无法设置为“System.Int64”值。必须将此属性设置为“System.String”类型的非空值。 位于System.Data.Entity.Core.Common.Internal.Materia
1.GetValue(DbDataReader,Int32序数)
lambda_法(闭合、整形器)
位于System.Data.Entity.Core.Common.Internal.Materialization.Shaper.HandleEntityAppendOnly[TEntity](Func
2 constructEntityDelegate、EntityKey、EntitySet EntityKey)
lambda_法(闭合、整形器)
位于System.Data.Entity.Core.Common.Internal.Materialization.Coordinator1.ReadNextElement(Shaper-Shaper)
在System.Data.Entity.Core.Common.Internal.Materialization.Shaper中
位于System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1源)
位于Project.Services.UserService.FindById(Int64 userId)
我正在MVC项目中使用Asp.net标识
我的用户类类似于:
public class User : IdentityUser<long, IdentityConfig.UserLogin, IdentityConfig.UserRole, IdentityConfig.UserClaim>
{
public async Task<ClaimsIdentity> GenerateUserIdentityAsync(IdentityConfig.CustomUserManager manager)
{
// Note the authenticationType must match the one defined in CookieAuthenticationOptions.AuthenticationType
var userIdentity = await manager.CreateIdentityAsync(this, DefaultAuthenticationTypes.ApplicationCookie);
// Add custom user claims here
return userIdentity;
}
[MaxLength(256)]
[Index(IsUnique = true)]
[Required]
public override string Email { get; set; }
[Required]
[MaxLength(256)]
public string FirstName { get; set; }
// rest of properties
....
}
公共类用户:IdentityUser
{
公共异步任务GenerateUserIdentityAsync(IdentityConfig.CustomUserManager)
{
//注意authenticationType必须与CookieAuthenticationOptions.authenticationType中定义的类型匹配
var userIdentity=wait manager.CreateIdentityAsync(这是DefaultAuthenticationTypes.ApplicationOkie);
//在此处添加自定义用户声明
返回用户身份;
}
[最大长度(256)]
[索引(IsUnique=true)]
[必需]
公共重写字符串Email{get;set;}
[必需]
[最大长度(256)]
公共字符串名{get;set;}
//其余物业
....
}
用户管理器:
public class CustomUserManager : UserManager<User, long>
{
public CustomUserManager(IUserStore<User, long> store, IdentityFactoryOptions<CustomUserManager> options) : base(store)
{
this.UserValidator = new UserValidator<User, long>(this)
{
AllowOnlyAlphanumericUserNames = false,
RequireUniqueEmail = true
};
// Configure validation logic for passwords
PasswordValidator = new PasswordValidator
{
RequiredLength = 8,
RequireLowercase = true,
RequireUppercase = true,
RequireDigit = true
};
// Configure user lockout defaults
UserLockoutEnabledByDefault = true;
DefaultAccountLockoutTimeSpan = TimeSpan.FromMinutes(5);
MaxFailedAccessAttemptsBeforeLockout = 5;
// Register two factor authentication providers. This application uses Phone and Emails as a step of receiving a code for verifying the user
// You can write your own provider and plug it in here.
RegisterTwoFactorProvider("Google Authentication", new GoogleAuthenticatorTokenProvider());
var provider = new MachineKeyProtectionProvider();
UserTokenProvider = new DataProtectorTokenProvider<User,long>(provider.Create("ResetPasswordPurpose"));
}
}
公共类CustomUserManager:UserManager
{
公共CustomUserManager(IUserStore商店,IdentityFactoryOptions选项):基本(商店)
{
this.UserValidator=新的UserValidator(this)
{
AllowOnlyAlphanumericUserNames=false,
RequireUniqueEmail=true
};
//配置密码的验证逻辑
PasswordValidator=新的PasswordValidator
{
所需长度=8,
RequireLowercase=true,
RequireUppercase=true,
RequireDigit=true
};
//配置用户锁定默认值
UserLockoutEnabledByDefault=true;
DefaultAccountLockoutTimeSpan=TimeSpan.FromMinutes(5);
MaxFailedAccessAttemptsBeforeLockout=5;
//注册双因素身份验证提供商。此应用程序使用电话和电子邮件作为接收验证用户代码的步骤
//您可以编写自己的提供者并将其插入此处。
RegisterWofactorProvider(“谷歌认证”,新的GoogleAuthenticatorTokenProvider());
var provider=new MachineKeyProtectionProvider();
UserTokenProvider=新的DataProtectorTokenProvider(provider.Create(“ResetPasswordPurpose”);
}
}
用户服务:
public class UserService : EntityService<User>, IUserService
{
private readonly IdentityConfig.CustomUserManager _userManager;
public UserService(MyDbContext context, IdentityConfig.CustomUserManager userManager) : base(context)
{
_userManager = userManager;
}
public User FindById(long userId)
{
return _userManager.Users.FirstOrDefault(x => x.Id == userId);
}
// other methods..
}
public类UserService:EntityService,IUserService
{
私有只读标识Config.CustomUserManager\u userManager;
公共用户服务(MyDbContext上下文,IdentityConfig.CustomUserManager用户管理器):基本(上下文)
{
_userManager=userManager;
}
公共用户FindById(长用户ID)
{
返回_userManager.Users.FirstOrDefault(x=>x.Id==userId);
}
//其他方法。。
}
注册自动传真:
builder.RegisterModule(new ServiceModule());
builder.RegisterModule(new EfModule());
builder.RegisterType<IdentityConfig.RoleStore>().As<IRoleStore<IdentityConfig.Role, long>>().InstancePerRequest();
builder.RegisterType<IdentityConfig.CustomUserStore>().As<IUserStore<User, long>>().InstancePerRequest();
builder.RegisterType<IdentityConfig.CustomUserManager>().AsSelf().InstancePerRequest();
builder.RegisterType<IdentityConfig.CustomSignInManager>().AsSelf().InstancePerRequest();
builder.RegisterType<IdentityConfig.CustomRoleManager>().AsSelf().InstancePerRequest();
builder.Register<IAuthenticationManager>(c => HttpContext.Current.GetOwinContext().Authentication);
builder.Register(c => new IdentityFactoryOptions<IdentityConfig.CustomUserManager>
{
DataProtectionProvider = new DpapiDataProtectionProvider("MyWebAppName"),
Provider = new IdentityFactoryProvider<IdentityConfig.CustomUserManager>()
}).InstancePerRequest();
public class ServiceModule : Module
{
protected override void Load(ContainerBuilder builder)
{
builder.RegisterAssemblyTypes(Assembly.Load("Project.Services"))
.Where(t => t.Name.EndsWith("Service") || t.Name.EndsWith("Validator"))
.AsImplementedInterfaces()
.InstancePerLifetimeScope();
}
}
public class EfModule : Module
{
protected override void Load(ContainerBuilder builder)
{
builder.RegisterType(typeof(MyDbContext)).AsSelf().WithParameter("connectionString", ConfigurationManager.ConnectionStrings["DefaultConnection"].ConnectionString).InstancePerRequest();
}
}
builder.RegisterModule(新的ServiceModule());
RegisterModule(新的EfModule());
builder.RegisterType().As().InstancePerRequest();
builder.RegisterType().As().InstancePerRequest();
builder.RegisterType().AsSelf().InstancePerRequest();
builder.RegisterType().AsSelf().InstancePerRequest();
builder.RegisterType().AsSelf().InstancePerRequest();
Register(c=>HttpContext.Current.GetOwinContext().Authentication);
builder.Register(c=>newidentityfactoryoptions
{
DataProtectionProvider=新的DpapiDataProtectionProvider(“MyWebAppName”),
Provider=新标识FactoryProvider()
}).InstancePerRequest();
公共类服务模块:模块
{
受保护的覆盖无效负载(ContainerBuilder builder)
{
builder.RegisterAssemblyTypes(Assembly.Load(“Project.Services”))
其中(t=>t.Name.EndsWith(“服务”)| | t.Name.EndsWith(“验证器”))
.AsImplementedInterfaces()
.InstancePerLifetimeScope();
}
}
公共类EfModule:Module
{
受保护的覆盖无效负载(ContainerBuilder builder)
{
builder.RegisterType(typeof(MyDbContext)).AsSelf().WithParameter(“connectionString”,ConfigurationManager.connectionString[“DefaultConnection”]).connectionString.InstancePerRequest();
}
}
我还注意到,这个错误不仅影响用户,还影响其他实体
问题是应用程序运行了一段时间,然后出现了太多此类错误,这对我来说毫无意义,让我很生气
我使用的是Azure SQL、Azure web服务、Autofac。可能是您的cookie在某个时候变成了垃圾,或者您遇到了线程问题,它同时读取和写入cookie。我看不到任何异常处理。。。您正在使用async/await。您希望该方法做什么,以及在哪里抛出异常?@DanEsparza我发布了整个异常,当应用程序运行一段时间时出现的问题通常与EF con有关