SFTP problems

[Kumar, Sunil]

Hi
I am using Jsch(jsch-0.1.23.jar) library to connect via SFTP to a Gnu
Linux machine and I see that the SFTP sessions are not closed on the
server ( I am closing them on the client side), do you have any
suggestions on what is wrong here.

data     13845  0.0  0.0     0    0 ?        Z    07:38   0:00
[sftp-server <defunct>]
data     13849  0.0  0.0     0    0 ?        Z    07:38   0:00
[sftp-server <defunct>]
data     13853  0.0  0.0     0    0 ?        Z    07:38   0:00
[sftp-server <defunct>]
data     13857  0.0  0.0     0    0 ?        Z    07:39   0:00
[sftp-server <defunct>]
data     13868  0.0  0.0  3532  824 ?        S    07:40   0:00
/mass/libexec/sftp-server
data     13881  0.0  0.0     0    0 ?        Z    07:44   0:00
[sftp-server <defunct>]
data     13910  0.0  0.0  3528  824 ?        S    07:50   0:00
/mass/libexec/sftp-server
data     13921  0.0  0.0  3528  824 ?        S    08:00   0:00
/mass/libexec/sftp-server
data     13948  0.0  0.0  3544  828 ?        S    08:10   0:00
/mass/libexec/sftp-server
data     13952  0.0  0.0     0    0 ?        Z    08:11   0:00
[sftp-server <defunct>]
data     14491  0.0  0.0  3540  824 ?        S    08:20   0:00
/mass/libexec/sftp-server
data     14698  0.0  0.0  3540  828 ?        S    08:30   0:00
/mass/libexec/sftp-server
data     14703  0.0  0.0     0    0 ?        Z    08:31   0:00
[sftp-server <defunct>]

Thanks
Sunil