Just wondering, is the client running jsch also running a 64 bit version of
Java?


On Mon, Oct 3, 2016 at 12:19 PM, Vikas Verma <vvick...@hotmail.com> wrote:

> Can anyone please help? The SFTP server is proftpd. This looks like an
> old Rekeying problem between Proftpd and Jsch. I have tried JSCH version
> 50/51 and 54 with no luck.
>
>
> Thanks,
>
> Vikas.
> ------------------------------
> *From:* Vikas Verma <vvick...@hotmail.com>
> *Sent:* Wednesday, September 14, 2016 11:43:16 AM
> *To:* jsch-users@lists.sourceforge.net
> *Subject:* SFTP of large file hangs
>
>
> We are having a strange issue with one of our clients (Client hosts the
> SFTP server. We are the client using JSCH). When we SFTP a large file to
> their SFTP server the file stops getting uploaded after exactly 2143990632
> bytes. The JSCH connection just starts over at that point. I am including
> the logs. Has anyone seen this behavior before? I can use any other SFTP
> client with that server and they work.
>
> In the logs you will see that after my custom log prints (3 and 4) it
> starts putting the file. After sending 2143990632 bytes it kind of starts
> over and the highlighted log shows up. The file at that point does not
> "grow" in size on the server side.
>
> Help truly appreciated !!
>
> Thanks,
> Vikas.
>
>
> INFO: Connecting to xxx.xxx.xxx.xx port 22
> INFO: Connection established
> INFO: Remote version string: SSH-2.0-mod_sftp/0.9.7
> INFO: Local version string: SSH-2.0-JSCH-0.1.53
> INFO: CheckCiphers: aes256-ctr,aes192-ctr,aes128-
> ctr,aes256-cbc,aes192-cbc,aes128-cbc,3des-ctr,arcfour,
> arcfour128,arcfour256
> INFO: aes256-ctr is not available.
> INFO: aes192-ctr is not available.
> INFO: aes256-cbc is not available.
> INFO: aes192-cbc is not available.
> INFO: CheckKexes: diffie-hellman-group14-sha1,
> ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521
> INFO: CheckSignatures: ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-
> nistp521
> INFO: SSH_MSG_KEXINIT sent
> INFO: SSH_MSG_KEXINIT received
> INFO: kex: server: diffie-hellman-group-exchange-
> sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-
> group14-sha1,diffie-hellman-group1-sha1,rsa1024-sha1
> INFO: kex: server: ssh-rsa,ssh-dss
> INFO: kex: server: aes256-ctr,aes192-ctr,aes128-
> ctr,aes128-cbc,blowfish-ctr,blowfish-cbc,cast128-cbc,
> arcfour256,arcfour128,3des-ctr,3des-cbc
> INFO: kex: server: aes256-ctr,aes192-ctr,aes128-
> ctr,aes128-cbc,blowfish-ctr,blowfish-cbc,cast128-cbc,
> arcfour256,arcfour128,3des-ctr,3des-cbc
> INFO: kex: server: hmac-sha1,hmac-sha1-96,hmac-
> md5,hmac-md5-96,hmac-ripemd160
> INFO: kex: server: hmac-sha1,hmac-sha1-96,hmac-
> md5,hmac-md5-96,hmac-ripemd160
> INFO: kex: server: z...@openssh.com,zlib,none
> INFO: kex: server: z...@openssh.com,zlib,none
> INFO: kex: server:
> INFO: kex: server:
> INFO: kex: client: ecdh-sha2-nistp256,ecdh-sha2-
> nistp384,ecdh-sha2-nistp521,diffie-hellman-group14-sha1,
> diffie-hellman-group-exchange-sha256,diffie-hellman-group-
> exchange-sha1,diffie-hellman-group1-sha1
> INFO: kex: client: ssh-rsa,ssh-dss,ecdsa-sha2-
> nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521
> INFO: kex: client: aes128-ctr,aes128-cbc,3des-ctr,3des-cbc,blowfish-cbc
> INFO: kex: client: aes128-ctr,aes128-cbc,3des-ctr,3des-cbc,blowfish-cbc
> INFO: kex: client: hmac-md5,hmac-sha1,hmac-sha2-
> 256,hmac-sha1-96,hmac-md5-96
> INFO: kex: client: hmac-md5,hmac-sha1,hmac-sha2-
> 256,hmac-sha1-96,hmac-md5-96
> INFO: kex: client: none
> INFO: kex: client: none
> INFO: kex: client:
> INFO: kex: client:
> INFO: kex: server->client aes128-ctr hmac-md5 none
> INFO: kex: client->server aes128-ctr hmac-md5 none
> INFO: SSH_MSG_KEXDH_INIT sent
> INFO: expecting SSH_MSG_KEXDH_REPLY
> INFO: ssh_rsa_verify: signature true
> WARN: Permanently added 'xxx.xxx.xxx.xx' (RSA) to the list of known hosts.
> INFO: SSH_MSG_NEWKEYS sent
> INFO: SSH_MSG_NEWKEYS received
> INFO: SSH_MSG_SERVICE_REQUEST sent
> INFO: SSH_MSG_SERVICE_ACCEPT received
> INFO: Authentications that can continue: publickey,keyboard-
> interactive,password
> INFO: Next authentication method: publickey
> INFO: Authentications that can continue: password
> INFO: Next authentication method: password
> INFO: Authentication succeeded (password).
> -----------------------------------3
> -----------------------------------4
> INFO: CheckCiphers: aes256-ctr,aes192-ctr,aes128-
> ctr,aes256-cbc,aes192-cbc,aes128-cbc,3des-ctr,arcfour,
> arcfour128,arcfour256
> INFO: aes256-ctr is not available.
> INFO: aes192-ctr is not available.
> INFO: aes256-cbc is not available.
> INFO: aes192-cbc is not available.
> INFO: CheckKexes: diffie-hellman-group14-sha1,
> ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521
> INFO: CheckSignatures: ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-
> nistp521
> INFO: SSH_MSG_KEXINIT sent
> INFO: kex: server: diffie-hellman-group-exchange-
> sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-
> group14-sha1,diffie-hellman-group1-sha1,rsa1024-sha1
> INFO: kex: server: ssh-rsa,ssh-dss
> INFO: kex: server: aes256-ctr,aes192-ctr,aes128-
> ctr,aes128-cbc,blowfish-ctr,blowfish-cbc,cast128-cbc,
> arcfour256,arcfour128,3des-ctr,3des-cbc
> INFO: kex: server: aes256-ctr,aes192-ctr,aes128-
> ctr,aes128-cbc,blowfish-ctr,blowfish-cbc,cast128-cbc,
> arcfour256,arcfour128,3des-ctr,3des-cbc
> INFO: kex: server: hmac-sha1,hmac-sha1-96,hmac-
> md5,hmac-md5-96,hmac-ripemd160
> INFO: kex: server: hmac-sha1,hmac-sha1-96,hmac-
> md5,hmac-md5-96,hmac-ripemd160
> INFO: kex: server: z...@openssh.com,zlib,none
> INFO: kex: server: z...@openssh.com,zlib,none
> INFO: kex: server:
> INFO: kex: server:
> INFO: kex: client: ecdh-sha2-nistp256,ecdh-sha2-
> nistp384,ecdh-sha2-nistp521,diffie-hellman-group14-sha1,
> diffie-hellman-group-exchange-sha256,diffie-hellman-group-
> exchange-sha1,diffie-hellman-group1-sha1
> INFO: kex: client: ssh-rsa,ssh-dss,ecdsa-sha2-
> nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521
> INFO: kex: client: aes128-ctr,aes128-cbc,3des-ctr,3des-cbc,blowfish-cbc
> INFO: kex: client: aes128-ctr,aes128-cbc,3des-ctr,3des-cbc,blowfish-cbc
> INFO: kex: client: hmac-md5,hmac-sha1,hmac-sha2-
> 256,hmac-sha1-96,hmac-md5-96
> INFO: kex: client: hmac-md5,hmac-sha1,hmac-sha2-
> 256,hmac-sha1-96,hmac-md5-96
> INFO: kex: client: none
> INFO: kex: client: none
> INFO: kex: client:
> INFO: kex: client:
> INFO: kex: server->client aes128-ctr hmac-md5 none
> INFO: kex: client->server aes128-ctr hmac-md5 none
> INFO: SSH_MSG_KEXDH_INIT sent
> INFO: expecting SSH_MSG_KEXDH_REPLY
> INFO: ssh_rsa_verify: signature true
>
>
>
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