SSH.NET [ObjectDisposedException: Cannot access a disposed object. Object name: 'Renci.SshNet.SshClient'.]

Question

I am attempting to create an SSH client to connect to a custom SSH server. When running the program I receive :

Exception Details: System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'Renci.SshNet.SshClient'.

frontend code

 protected void Button1_Click(object sender, EventArgs e)
    {
        Button1.Enabled = true;
        SSHSubmits.SIDSubmitByte();
    }

behind code

  private static SshClient ClientCreate()

    {
        var Host = "10.0.0.195";
        var Port = int.Parse("42078");
        var Username = "abc";
        var keyFile = new PrivateKeyFile(@"C:\Users\Administrator\.ssh\ACdb_Philos_Div1");
        var keyFiles = new[] { keyFile };
        var methods = new List<AuthenticationMethod>();
        methods.Add(new PrivateKeyAuthenticationMethod(Username, keyFiles));
        var coninfo = new ConnectionInfo(Host, Port, Username, methods.ToArray());
        using (SshClient sshclient = new SshClient(coninfo))
        return sshclient;
    }
    public static void SIDSubmitByte()
    
        {

        ClientCreate().Connect();

        }

mdisibio · Accepted Answer · 2021-05-20 23:28:31Z

1

The SshClient is being disposed before you return it from the ClientCreate() method. Try this instead:

private static SshClient ClientCreate()
{
    var Host = "10.0.0.195";
    var Port = int.Parse("42078");
    var Username = "abc";
    var keyFile = new PrivateKeyFile(@"C:\Users\Administrator\.ssh\ACdb_Philos_Div1");
    var keyFiles = new[] { keyFile };
    var methods = new List<AuthenticationMethod>();
    methods.Add(new PrivateKeyAuthenticationMethod(Username, keyFiles));
    var coninfo = new ConnectionInfo(Host, Port, Username, methods.ToArray());
    return new SshClient(coninfo);
}

public static void SIDSubmitByte()
{
    using (var sshClient = ClientCreate())
    {
        sshClient.Connect();
    }
}

answered May 20, 2021 at 23:28

mdisibio

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