Hi Keshav, Looking at SftpOperations.java[1] it is obvious that both these configuration parameters are set automatically when defining a compression level above 0.
[1] https://github.com/apache/camel/blob/master/components/camel-ftp/src/main/java/org/apache/camel/component/file/remote/SftpOperations.java // Pontus On Sat, Sep 20, 2014 at 7:09 PM, Claus Ibsen <claus.ib...@gmail.com> wrote: > On Tue, Sep 16, 2014 at 1:06 PM, Baweja, Keshav > <keshav.baw...@jpmorgan.com.invalid> wrote: >> Hello >> >> JSch has configuration parameters to set compression algorithm for client to >> server and server to client transport. >> >> compression.c2s >> Compression algorithms for client-to-server transport. The default is >> "none", but this library also supports "zlib" and "z...@openssh.com". (Other >> compression algorithms can't be put in, it seems.) >> >> compression.s2c >> Compression algorithms for server-to-client transport. The default is >> "none", but this library also supports "zlib" and "z...@openssh.com". (Other >> compression algorithms can't be put in, it seems.) >> >> Is it possible to set this configuration parameter in Options part of Camel >> URI? >> >> The only Option I could see on Camel's FTP2 page is below - >> compression | Default Value = 0 | SFTP Only: Camel 2.8.3/2.9: To use >> compression. Specify a level from 1 to 10. Important: You must manually add >> the needed JSCH zlib JAR to the classpath for compression support. >> >> >> Does setting this Camel option (with JSch zlib on classpath) automatically >> sets both these configuration parameters. >> > > Did you find out about this? If not I suggest to dive into the source > code of camel-ftp, eg the sftp classes and see what happens in the > code. > > > >> >> >> Regards >> Keshav >> >> >> -----Original Message----- >> From: Baweja, Keshav [mailto:keshav.baw...@jpmorgan.com.INVALID] >> Sent: Monday, September 15, 2014 2:30 PM >> To: users@camel.apache.org >> Subject: RE: JSch connection issue with Maverick SSHD server >> >> Thanks for your reply Nodet, >> >> The sftp server is hosted externally and is outside our infrastructure. I >> can't make any changes to the server, and need to make client work with the >> server configuration. Would you know how I can do it, found the below on >> Camel's ftp2 page and guess need to look at this - >> >> compression | Default Value = 0 | SFTP Only: Camel 2.8.3/2.9: To use >> compression. Specify a level from 1 to 10. Important: You must manually add >> the needed JSCH zlib JAR to the classpath for compression support. >> >> Regards >> Keshav >> >> >> -----Original Message----- >> From: Guillaume Nodet [mailto:gno...@apache.org] >> Sent: Monday, September 15, 2014 2:15 PM >> To: users@camel.apache.org >> Subject: Re: JSch connection issue with Maverick SSHD server >> >> Your server is configured with "zlib" compression only, while the client >> only supports compression "none", so there's a mismatch and both can't talk >> to each other. You need to configure the server with both "zlib" *and* >> "none" compression factories. >> >> 2014-09-15 7:39 GMT+02:00 Baweja, Keshav <keshav.baw...@jpmorgan.com.invalid >>>: >> >>> Hello >>> >>> I am using Camel 2.13.2 in my application to build up routes to >>> download files from sftp server locations. The codebase has been >>> tested ok against 5 different sftp servers. However against one >>> particular sftp server, JSch the sftp implementation used by Camel >>> seems to disconnect immediately after connecting. Could you please >>> advise what could be the issue here. The log from application is as >>> below - >>> >>> [2014-09-15 05:52:32.236] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] DEBUG >>> org.apache.camel.component.file.remote.SftpOperations - Using private >>> keyfile: /home/.ssh/id_rsa >>> [2014-09-15 05:52:32.238] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] DEBUG >>> org.apache.camel.component.file.remote.SftpOperations - Using >>> knownhosts file: /home/.ssh/known_hosts >>> [2014-09-15 05:52:32.329] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] DEBUG >>> org.apache.camel.component.file.remote.SftpOperations - Using >>> StrickHostKeyChecking: no >>> [2014-09-15 05:52:32.329] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> >>> Connecting to hostname port port >>> [2014-09-15 05:52:32.462] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> >>> Connection established >>> [2014-09-15 05:52:32.589] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> Remote >>> version string: SSH-2.0-Maverick_SSHD >>> [2014-09-15 05:52:32.589] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> Local >>> version string: SSH-2.0-JSCH-0.1.50 >>> [2014-09-15 05:52:32.589] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> >>> CheckCiphers: >>> aes256-ctr,aes192-ctr,aes128-ctr,aes256-cbc,aes192-cbc,aes128-cbc,3des >>> -ctr,arcfour,arcfour128,arcfour256 >>> [2014-09-15 05:52:32.598] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> >>> CheckKexes: diffie-hellman-group14-sha1 >>> [2014-09-15 05:52:32.621] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> >>> SSH_MSG_KEXINIT sent >>> [2014-09-15 05:52:32.621] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> >>> SSH_MSG_KEXINIT received >>> [2014-09-15 05:52:32.622] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> server: diffie-hellman-group1-sha1,diffie-hellman-group-exchange-sha1 >>> [2014-09-15 05:52:32.622] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> server: ssh-rsa >>> [2014-09-15 05:52:32.622] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> server: >>> aes128-cbc,aes256-cbc,aes192-cbc,3des-cbc,twofish256-cbc,twofish192-cb >>> c,twofish128-cbc,blowfish-cbc,cast128-cbc >>> [2014-09-15 05:52:32.622] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> server: >>> aes128-cbc,aes256-cbc,aes192-cbc,3des-cbc,twofish256-cbc,twofish192-cb >>> c,twofish128-cbc,blowfish-cbc,cast128-cbc >>> [2014-09-15 05:52:32.622] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> server: hmac-sha1,hmac-sha1-96 >>> [2014-09-15 05:52:32.622] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> server: hmac-sha1,hmac-sha1-96 >>> [2014-09-15 05:52:32.622] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> server: zlib >>> [2014-09-15 05:52:32.622] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> server: zlib >>> [2014-09-15 05:52:32.622] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> server: >>> [2014-09-15 05:52:32.623] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> server: >>> [2014-09-15 05:52:32.623] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> client: >>> diffie-hellman-group1-sha1,diffie-hellman-group14-sha1,diffie-hellman- >>> group-exchange-sha1 >>> [2014-09-15 05:52:32.623] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> client: ssh-rsa,ssh-dss >>> [2014-09-15 05:52:32.623] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> client: >>> aes128-ctr,aes128-cbc,3des-ctr,3des-cbc,blowfish-cbc,aes192-cbc,aes256 >>> -cbc >>> [2014-09-15 05:52:32.623] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> client: >>> aes128-ctr,aes128-cbc,3des-ctr,3des-cbc,blowfish-cbc,aes192-cbc,aes256 >>> -cbc >>> [2014-09-15 05:52:32.623] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> client: hmac-md5,hmac-sha1,hmac-sha2-256,hmac-sha1-96,hmac-md5-96 >>> [2014-09-15 05:52:32.623] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> client: hmac-md5,hmac-sha1,hmac-sha2-256,hmac-sha1-96,hmac-md5-96 >>> [2014-09-15 05:52:32.623] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> client: none >>> [2014-09-15 05:52:32.623] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> client: none >>> [2014-09-15 05:52:32.624] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> client: >>> [2014-09-15 05:52:32.624] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> kex: >>> client: >>> [2014-09-15 05:52:32.624] [Camel (camel-1) thread #0 - >>> sftp://user@hostname:port/data] INFO >>> org.apache.camel.component.file.remote.SftpOperations - JSCH -> >>> Disconnecting from hostname port port >>> >>> Regards >>> Keshav >>> >>> >>> >>> Regards >>> Keshav >>> >>> >>> >>> This email is confidential and subject to important disclaimers and >>> conditions including on offers for the purchase or sale of securities, >>> accuracy and completeness of information, viruses, confidentiality, >>> legal privilege, and legal entity disclaimers, available at >>> http://www.jpmorgan.com/pages/disclosures/email. >>> >> >> This email is confidential and subject to important disclaimers and >> conditions including on offers for the purchase or sale of securities, >> accuracy and completeness of information, viruses, confidentiality, legal >> privilege, and legal entity disclaimers, available at >> http://www.jpmorgan.com/pages/disclosures/email. >> >> This email is confidential and subject to important disclaimers and >> conditions including on offers for the purchase or sale of securities, >> accuracy and completeness of information, viruses, confidentiality, legal >> privilege, and legal entity disclaimers, available at >> http://www.jpmorgan.com/pages/disclosures/email. > > > > -- > Claus Ibsen > ----------------- > Red Hat, Inc. > Email: cib...@redhat.com > Twitter: davsclaus > Blog: http://davsclaus.com > Author of Camel in Action: http://www.manning.com/ibsen > hawtio: http://hawt.io/ > fabric8: http://fabric8.io/
