anbusatish
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Sep 8, 2011, 2:42 AM
Post #1 of 2
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NET::SFTP -> channel 1: rcvd eof
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Hi,
Am have a function in perl which does the sftp to copy a file from my local machine to a remote machine . 3 out of 5 times the sftp fails, saying the channel 1 received end of file. This info i could see if I enable the debug to 1 in net::sftp module. So have pasted the output of the debug logs when it passed and when it failed. Please help me solve this random failures ?
Failed debug log
===========
082511 151100: zxyzQA::Utils.SftpFiletoNFS: Opening SFTP
session to NFS server, ip = '10.99.96.72', user = 'autouser',
passwd = 'autouser'
Reading configuration data
/home/jumaji/.ssh/config
Reading configuration data /etc/ssh_config
Connecting to 10.99.96.72, port 22.
Remote version string: SSH-2.0-Sun_SSH_1.0.1
Remote protocol version 2.0, remote software version
Sun_SSH_1.0.1
Net::SSH::Perl Version 1.30, protocol version 2.0.
No compat match: Sun_SSH_1.0.1.
Connection established.
Sent key-exchange init (KEXINIT), wait response.
Algorithms, c->s: 3des-cbc hmac-sha1 none
Algorithms, s->c: 3des-cbc hmac-sha1 none
Entering Diffie-Hellman Group 1 key exchange.
Sent DH public key, waiting for reply.
Received host key, type 'ssh-dss'.
Host '10.99.96.72' is known and matches the host key.
Computing shared secret key.
Verifying server signature.
Waiting for NEWKEYS message.
Enabling incoming encryption/MAC/compression.
Send NEWKEYS, enable outgoing
encryption/MAC/compression.
Sending request for user-authentication service.
Service accepted: ssh-userauth.
Trying empty user-authentication request.
Authentication methods that can continue:
publickey,password.
Next method to try is publickey.
Next method to try is password.
Trying password authentication.
Login completed, opening dummy shell channel.
channel 0: new [client-session]
Requesting channel_open for channel 0.
channel 0: open confirm rwindow 0 rmax 16384
channel 1: new [client-session]
Requesting channel_open for channel 1.
Sending subsystem: sftp
Requesting service subsystem on channel 1.
channel 1: open confirm rwindow 0 rmax 16384
sftp: Sending SSH2_FXP_INIT
sftp: Remote version: 2
082511 151152: zxyzQA::Utils.SftpFiletoNFS: Opened autouser
SFTP session to (10.99.96.72) NFS server
082511 151152: zxyzQA::Utils.SftpFiletoNFS: from:
kl_STATISTICS.tcl, to: /zxyz/zxyzNFS/C/kl_STATISTICS.tcl
sftp: Sent SSH2_FXP_OPEN I:0
P:/zxyz/zxyzNFS/C/kl_STATISTICS.tcl
channel 1: rcvd eof -----> it say endoffile
channel 1: output open -> drain
channel 1: rcvd close
channel 1: input open -> closed
channel 1: close_read
channel 1: obuf empty
channel 1: output drain -> closed
channel 1: close_write
channel 1: send close
channel 1: full closed
Passed debug log
============
Reading configuration data
/home/jumanji/.ssh/config
Reading configuration data /etc/ssh_config
Connecting to 10.99.96.72, port 22.
Remote version string: SSH-2.0-Sun_SSH_1.0.1
Remote protocol version 2.0, remote software version
Sun_SSH_1.0.1
Net::SSH::Perl Version 1.30, protocol version 2.0.
No compat match: Sun_SSH_1.0.1.
Connection established.
Sent key-exchange init (KEXINIT), wait response.
Algorithms, c->s: 3des-cbc hmac-sha1 none
Algorithms, s->c: 3des-cbc hmac-sha1 none
Entering Diffie-Hellman Group 1 key exchange.
Sent DH public key, waiting for reply.
Received host key, type 'ssh-dss'.
Host '10.99.96.72' is known and matches the host key.
Computing shared secret key.
Verifying server signature.
Waiting for NEWKEYS message.
Enabling incoming encryption/MAC/compression.
Send NEWKEYS, enable outgoing
encryption/MAC/compression.
Sending request for user-authentication service.
Service accepted: ssh-userauth.
Trying empty user-authentication request.
Authentication methods that can continue:
publickey,password.
Next method to try is publickey.
Next method to try is password.
Trying password authentication.
Login completed, opening dummy shell channel.
channel 0: new [client-session]
Requesting channel_open for channel 0.
channel 0: open confirm rwindow 0 rmax 16384
channel 1: new [client-session]
Requesting channel_open for channel 1.
Sending subsystem: sftp
Requesting service subsystem on channel 1.
channel 1: open confirm rwindow 0 rmax 16384
sftp: Sending SSH2_FXP_INIT
sftp: Remote version: 2
082411 183221: zxyzQA::Utils.SftpFiletoNFS: Opened autouser
SFTP session to (10.99.96.72) NFS server
082411 183221: zxyzQA::Utils.SftpFiletoNFS: from:
kl_STATISTICS.tcl, to: /zxyz/zxyzNFS/C/kl_STATISTICS.tcl
sftp: Sent SSH2_FXP_OPEN I:0
P:/zxyz/zxyzNFS/C/kl_STATISTICS.tcl
sftp: Sent message SSH2_FXP_WRITE I:1 O:0
sftp: In write loop, got 6811 offset 0 --> successfully tx.
sftp: Sent message T:10 I:2
sftp: Sent message T:4 I:3
Thanks and your time to help is much appreciated,
Satish
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