CQRS and exception handling

1.cs

public class EditPersonalInfoCommandHandler : ICommandHandler<EditPersonalInfoCommand>
{
    public Result Handle(EditPersonalInfoCommand command)
    {
        for (int i = 0; ; i++)
        {
            try
            {
                var unitOfWork = new UnitOfWork(_sessionFactory);
                Student student = unitOfWork.GetStudentById(command.Id);

                student.Name = command.Name;
                student.Email = command.Email;
                
                unitOfWork.Commit();
                
                return Result.Ok();
            }
            catch (Exception ex)
            {
                if (i >= _config.NumberOfDatabaseRetries || !IsDatabaseException(ex))
                    throw;
            }
        }
    }
}

2.cs

[DatabaseRetry]
public class EditPersonalInfoCommandHandler : ICommandHandler<EditPersonalInfoCommand>
{
    public Result Handle(EditPersonalInfoCommand command)
    {
        var unitOfWork = new UnitOfWork(_sessionFactory);
        Student student = unitOfWork.GetStudentById(command.Id);
        
        student.Name = command.Name;
        student.Email = command.Email;
        
        unitOfWork.Commit();
        
        return Result.Ok();
    }
}

3.cs

public sealed class DatabaseRetryDecorator<TCommand> : ICommandHandler<TCommand>
    where TCommand : ICommand
{
    private readonly ICommandHandler<TCommand> _handler;
    private readonly Config _config;

    public DatabaseRetryDecorator(ICommandHandler<TCommand> handler, Config config)
    {
        _config = config;
        _handler = handler;
    }

    public Result Handle(TCommand command)
    {
        for (int i = 0; ; i++)
        {
            try
            {
                Result result = _handler.Handle(command);
                return result;
            }
            catch (Exception ex)
            {
                if (i >= _config.NumberOfDatabaseRetries || !IsDatabaseException(ex))
                    throw;
            }
        }
    }
    
    private bool IsDatabaseException(Exception exception)
    {
        string message = exception.InnerException?.Message;

        if (message == null)
            return false;

        return message.Contains("The connection is broken and recovery is not possible")
            || message.Contains("error occurred while establishing a connection");
    }
}

4.cs

public Result Handle(TCommand command)
{
    for (int i = 0; ; i++)
    {
        Result result = _handler.Handle(command);
        
        if (result.Error == Errors.DatabaseException)
        {
            if (i >= _config.NumberOfDatabaseRetries)
                throw new Exception();
            
            continue;
        }
        
        return result;
    }
}