SSH.NET 无法捕获的异常

Question

I'm trying to upload a file using SSH.NET using C# in a .NET Framework 4.5.2 project.

As soon as the ConnectionInfo constructor is invoked the application exits without any Exception not error message. The event viewer is clean.

It seems I'm running into an AccessViolationException , that I know it's a serious problem and cannot be caught inside managed code but... What am I doing wrong in using this library? I just need to upload my file to a SFTP server.

Here is my code:

public override void Upload(FtpConfiguration conf, string file)
{
    var fi = new FileInfo(file);

    try
    {
        // As soon as code reach this line the application crashes
        var connectionInfo = new ConnectionInfo(conf.Server,
                                                conf.Username,
                                                new PasswordAuthenticationMethod(conf.Username, conf.Password)
                                                );
        using (var sftp = new SftpClient(connectionInfo))
        {
            sftp.Connect();

            if (sftp.IsConnected)
            {
                if (!string.IsNullOrEmpty(conf.Subfolder))
                    sftp.ChangeDirectory(conf.Subfolder);
                using (var fileStream = new FileStream(fi.FullName, FileMode.Open))
                {
                    sftp.UploadFile(fileStream, fi.Name, null);
                }
                sftp.Disconnect();
            }
        }
    }
    catch (Exception ex)
    {
        // Just for debug purpose
        var error = ex.Message;

        throw ex;
    }
}

Answer 1

Well, I suppose that all your FtpConfiguration conf properties used in both ConnectionInfo and PasswordAuthenticationMethod are all of type string , but I think you're missing the port which must be int . This should work.

ConnectionInfo connectionInfo = new ConnectionInfo(host, port, user,
                                     new PasswordAuthenticationMethod(user, pass));

using (var client = new SftpClient(connectionInfo))
{

      client.Connect();
      // Do some stuff.
      client.Disconnect();
}

Answer 2

I think I found a solution. My Upload method was inside a Task async chain. Getting rid of the async solved the problem.