[英]Stack Overflow exception at Database.EnsureCreated EF 7 ASP.NET 5 MVC 6
我在应用程序启动时创建数据库时遇到错误,而完全相同的代码在所有其他项目中都能正常工作。
Startup.cs中的启动功能
public Startup(IHostingEnvironment env)
{
// Set up configuration sources.
var builder = new ConfigurationBuilder()
.AddJsonFile("appsettings.json")
.AddEnvironmentVariables();
if (env.IsDevelopment())
{
// This will push telemetry data through Application Insights pipeline faster, allowing you to view results immediately.
builder.AddApplicationInsightsSettings(developerMode: true);
}
Configuration = builder.Build();
Globals.Configuration = Configuration;
Globals.HostingEnvironment = env;
Globals.EnsureDatabaseCreated();
}
Globals.EnsureDatabaseCreated()
public static void EnsureDatabaseCreated()
{
var optionsBuilder = new DbContextOptionsBuilder();
if (HostingEnvironment.IsDevelopment()) optionsBuilder.UseSqlServer(Configuration["Data:dev:DataContext"]);
else if (HostingEnvironment.IsStaging()) optionsBuilder.UseSqlServer(Configuration["Data:staging:DataContext"]);
else if (HostingEnvironment.IsProduction()) optionsBuilder.UseSqlServer(Configuration["Data:live:DataContext"]);
var context = new ApplicationContext(optionsBuilder.Options);
context.Database.EnsureCreated();
optionsBuilder = new DbContextOptionsBuilder();
if (HostingEnvironment.IsDevelopment()) optionsBuilder.UseSqlServer(Configuration["Data:dev:TransientContext"]);
else if (HostingEnvironment.IsStaging()) optionsBuilder.UseSqlServer(Configuration["Data:staging:TransientContext"]);
else if (HostingEnvironment.IsProduction()) optionsBuilder.UseSqlServer(Configuration["Data:live:TransientContext"]);
new TransientContext(optionsBuilder.Options).Database.EnsureCreated();
}
ApplicationContext.cs
public class ApplicationContext : DbContext
{
public DbSet<Models.Security.User> Logins { get; set; }
public DbSet<Models.Security.Session> Sessions { get; set; }
public DbSet<Models.Security.Verification> VerificationTokens { get; set; }
public DbSet<Models.CRM.User> Users { get; set; }
public DbSet<Models.CRM.Organization> Merchants { get; set; }
public DbSet<Models.CRM.LinkedAddress> Shops { get; set; }
public DbSet<Models.CRM.ContactDetail> ContactDetails { get; set; }
public DbSet<Models.CRM.Location> Locations { get; set; }
public ApplicationContext(DbContextOptions options) : base(options)
{
}
}
错误截图
在等待了两天的答案之后,不幸的是我最终创建了一个新项目,并在那里复制了代码,并且它正常工作。 似乎是配置问题。
注意:由于我没有收到任何答案,因此将其标记为正确答案。 如果用户将来有机会分享他们的观点,那么我会很乐意为他们的答案打上标记,如果它为将来的读者增加了一些价值。
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