MongoDB.Driver.Linq.ExpressionNotSupportedException: ' Expression not supported: i.ToClaim()

I have implemented identity in ASP.NET Core, with features like registration and login working properly, including returning a JWT. Now, I want to migrate the system to MongoDB with using MongoDB.EntityFrameworkCore package. During testing, I can successfully register a new user, and the user appears in the collection. However, when I attempt to log in, I encounter the following exception.

All I did

builder.Services.AddDbContext<AppDbContext>(ops => ops.UseSqlServer(builder.Configuration.GetConnectionString("DefaultConnection")));

builder.Services.AddDbContext<AppDbContext>(ops => ops.UseSqlServer(builder.Configuration.GetConnectionString("DefaultConnection")));

builder.Services.AddDbContext<AppDbContext>(options =>

    options.UseMongoDB(connectionUri, databaseName)
);

builder.Services.AddDbContext<AppDbContext>(options =>

    options.UseMongoDB(connectionUri, databaseName)
);

in the AppDbContext

protected override void OnModelCreating(ModelBuilder modelBuilder)
{
    base.OnModelCreating(modelBuilder);
    modelBuilder.Entity<User>().ToCollection("users");
}

protected override void OnModelCreating(ModelBuilder modelBuilder)
{
    base.OnModelCreating(modelBuilder);
    modelBuilder.Entity<User>().ToCollection("users");
}

What can cause this? The registration works as expected but when login throws this.

C#•14mo ago•

5 replies

Zoli

MongoDB.Driver.Linq.ExpressionNotSupportedException: ' Expression not supported: i.ToClaim()

builder.Services.AddDbContext<AppDbContext>(ops => ops.UseSqlServer(builder.Configuration.GetConnectionString("DefaultConnection")));

builder.Services.AddDbContext<AppDbContext>(ops => ops.UseSqlServer(builder.Configuration.GetConnectionString("DefaultConnection")));

builder.Services.AddDbContext<AppDbContext>(options =>

    options.UseMongoDB(connectionUri, databaseName)
);

builder.Services.AddDbContext<AppDbContext>(options =>

    options.UseMongoDB(connectionUri, databaseName)
);

in the AppDbContext

protected override void OnModelCreating(ModelBuilder modelBuilder)
{
    base.OnModelCreating(modelBuilder);
    modelBuilder.Entity<User>().ToCollection("users");
}

protected override void OnModelCreating(ModelBuilder modelBuilder)
{
    base.OnModelCreating(modelBuilder);
    modelBuilder.Entity<User>().ToCollection("users");
}

What can cause this? The registration works as expected but when login throws this.

MongoDB.Driver.Linq.ExpressionNotSupportedException: ' Expression not supported: i.ToClaim()

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