Hi Thanks for trying that out. I just fill a JIRA[1] for it and will submit quick patch for it.
[1]https://issues.apache.org/jira/browse/CAMEL-7977 Regards, Willem -- Willem Jiang Red Hat, Inc. Web: http://www.redhat.com Blog: http://willemjiang.blogspot.com (English) http://jnn.iteye.com (Chinese) Twitter: willemjiang Weibo: 姜宁willem On October 28, 2014 at 2:56:55 PM, Baweja, Keshav (keshav.baw...@jpmorgan.com.invalid) wrote: > HI Williem, Camel , JSch Developers > > I need compression to be set on the route as the remote server only offers > "zlib" as the > compression algorithm. As I mentioned below, when compression option is set > on camel > route, SftpOpertions does the below - > > // compression > if (sftpConfig.getCompression() > 0) { > LOG.debug("Using compression: {}", sftpConfig.getCompression()); > session.setConfig("compression.s2c", "z...@openssh.com, zlib, none"); > session.setConfig("compression.c2s", "z...@openssh.com, zlib, none"); > session.setConfig("compression_level", > Integer.toString(sftpConfig.getCompression())); > } > > With this set up Jsch is not able to connect to the remote server. > > I extended SftpOperations and used it with a custom component and endpoint > (extended > from SftpComponent and SftpEndpoint respectively). I pass in the compression > algorithm > as camel route option and set compression.s2c and compression.c2s to the > value passed. > Observation - > > When compression algorithm = z...@openssh.com, zlib, none -JSch fails to > connect (note > spaces between algorithms) > When compression algorithm = z...@openssh.com,zlib,none -JSch connects > successfully > (note no spaces between algorithms) > > While this perhaps indicates a bug in JSch library, could I request a Camel > patch to remove > the spaces when specifying compression algorithms? The change should be > localized > to lines of codes in SftpOperations identified above. > > > Regards > Keshav > > > -----Original Message----- > From: Willem Jiang [mailto:willem.ji...@gmail.com] > Sent: Monday, October 20, 2014 2:39 PM > To: users@camel.apache.org > Subject: RE: Jsch issue with compression algorithm > > Hi, > > I just check the configuration, “none” means the compression will not be done > if sshd > doesn’t support to compress the data from sshd to jsch. > > Current release has supported following properties, > * compression.s2c: zlib, none > default: none > Specifies whether to use compression for the data stream > from sshd to jsch. If "zlib,none" is given and the remote sshd does > not allow the packet compression, compression will not be done. > > Did you try to set the compression option to 0 ? > BTW, you can change the code to see if it works any way :) > > > -- > Willem Jiang > > Red Hat, Inc. > Web: http://www.redhat.com > Blog: http://willemjiang.blogspot.com (English) http://jnn.iteye.com > (Chinese) > Twitter: willemjiang > Weibo: 姜宁willem > > > > On October 20, 2014 at 12:33:45 PM, Baweja, Keshav > (keshav.baw...@jpmorgan.com.invalid) > wrote: > > Looking at the code in SftpOperations.java in createSession() > > > > // compression > > if (sftpConfig.getCompression() > 0) { LOG.debug("Using compression: > > {}", sftpConfig.getCompression()); > > session.setConfig("compression.s2c", "z...@openssh.com, zlib, none"); > > session.setConfig("compression.c2s", "z...@openssh.com, zlib, none"); > > session.setConfig("compression_level", > > Integer.toString(sftpConfig.getCompression())); > > } > > > > So, the JSch session is set with "z...@openssh.com, zlib, none" for > > "compression.s2c", even though z...@openssh.com might not be configured on > > sshd > for server to client communication. > > Could this be causing the behavior I encounter below? > > > > Regards > > Keshav > > > > > > -----Original Message----- > > From: Baweja, Keshav > > Sent: Monday, October 20, 2014 12:17 PM > > To: users@camel.apache.org; jsch-us...@lists.sourceforge.net > > Subject: Jsch issue with compression algorithm > > > > Hello All, > > > > I have been able to narrow down this issue to below - > > > > 1) I enabled client to server compression configuration on Jsch by > > setting compression=2 as an option on camel route. > > 2) With this, Jsch sets client to server compression configuration as - > > JSCH -> kex: > client: > > z...@openssh.com, zlib, none > > 3) When server is configured as below the sftp connection is > > successful JSCH -> kex: server: none,z...@openssh.com > > 4) However, if the server is configured as any of the below the sftp > > connection is not successful JSCH -> kex: server: none,zlib JSCH -> > > kex: server: zlib > > > > So if z...@openssh.com is not configured on server, Jsch fails with > > the exception below > > > > Caused by: com.jcraft.jsch.JSchException: Algorithm negotiation fail > > at com.jcraft.jsch.Session.receive_kexinit(Session.java:583) > > ~[ftu-server-3.0.3.jar:na] at > > com.jcraft.jsch.Session.connect(Session.java:320) > > ~[ftu-server-3.0.3.jar:na] at > > org.apache.camel.component.file.remote.SftpOperations.connect(SftpOper > > ations.java:115) > > ~[ftu-server-3.0.3.jar:na] > > > > Has someone encountered this? Any ideas to resolve this. Thanks in advance. > > > > Regards > > Keshav > > > > -----Original Message----- > > From: Baweja, Keshav [mailto:keshav.baw...@jpmorgan.com.INVALID] > > Sent: Friday, October 10, 2014 2:56 PM > > To: users@camel.apache.org; jsch-us...@lists.sourceforge.net > > Subject: RE: JSch connection issue with Maverick SSHD server > > > > > > Hello > > > > I am using Camel routing library to set up sftp routes to a remote > > sftp server. Camel user Jsch library (version 0.1.50) for all sftp > > operations and jsch-zlib (version 1.1.3) for the compression. However > > I encounter the exception below with this set up. Could someone > > advise/point to a resolution? > Many thanks in advance. > > > > [2014-10-07 10:37:11.937] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] DEBUG > > org.apache.camel.component.file.remote.SftpOperations - Using private > > keyfile: /home/localuser/.ssh/id_rsa > > [2014-10-07 10:37:11.937] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] DEBUG > > org.apache.camel.component.file.remote.SftpOperations - Using > > knownhosts > > file: /home/localuser/.ssh/known_hosts > > [2014-10-07 10:37:12.018] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] DEBUG > > org.apache.camel.component.file.remote.SftpOperations > - Using StrickHostKeyChecking: > > no > > [2014-10-07 10:37:12.018] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] DEBUG > > org.apache.camel.component.file.remote.SftpOperations > - Using compression: > > 2 > > [2014-10-07 10:37:12.018] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations - JSCH -> > > Connecting to host port port > > [2014-10-07 10:37:12.150] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations - JSCH -> > > Connection established > > [2014-10-07 10:37:12.279] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations - JSCH -> Remote > > version > > string: SSH-2.0-Maverick_SSHD > > [2014-10-07 10:37:12.279] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations - JSCH -> Local > > version > > string: SSH-2.0-JSCH-0.1.50 > > [2014-10-07 10:37:12.279] [Camel (camel-1) thread #0 - > > sftp://user@host: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 > > [2014-10-07 10:37:12.284] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations - JSCH -> aes256-ctr > is not available. > > [2014-10-07 10:37:12.284] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations - JSCH -> aes192-ctr > is not available. > > [2014-10-07 10:37:12.284] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations - JSCH -> aes256-cbc > is not available. > > [2014-10-07 10:37:12.285] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations - JSCH -> aes192-cbc > is not available. > > [2014-10-07 10:37:12.285] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations - JSCH -> arcfour256 > is not available. > > [2014-10-07 10:37:12.285] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations > - JSCH -> CheckKexes: > > diffie-hellman-group14-sha1 > > [2014-10-07 10:37:12.308] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations - JSCH -> > > SSH_MSG_KEXINIT sent > > [2014-10-07 10:37:12.308] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations - JSCH -> > > SSH_MSG_KEXINIT received > > [2014-10-07 10:37:12.308] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations > - JSCH -> kex: server: > > diffie-hellman-group1-sha1,diffie-hellman-group-exchange-sha1 > > [2014-10-07 10:37:12.308] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations > - JSCH -> kex: server: > > ssh-rsa > > [2014-10-07 10:37:12.308] [Camel (camel-1) thread #0 - > > sftp://user@host: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 > > [2014-10-07 10:37:12.309] [Camel (camel-1) thread #0 - > > sftp://user@host: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 > > [2014-10-07 10:37:12.309] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations > - JSCH -> kex: server: > > hmac-sha1,hmac-sha1-96 > > [2014-10-07 10:37:12.309] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations > - JSCH -> kex: server: > > hmac-sha1,hmac-sha1-96 > > [2014-10-07 10:37:12.309] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations > - JSCH -> kex: server: > > zlib > > [2014-10-07 10:37:12.309] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations > - JSCH -> kex: server: > > zlib > > [2014-10-07 10:37:12.309] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations > - JSCH -> kex: server: > > [2014-10-07 10:37:12.309] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations > - JSCH -> kex: server: > > [2014-10-07 10:37:12.309] [Camel (camel-1) thread #0 - > > sftp://user@host: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 > > [2014-10-07 10:37:12.309] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations > - JSCH -> kex: client: > > ssh-rsa,ssh-dss > > [2014-10-07 10:37:12.309] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations > - JSCH -> kex: client: > > aes128-ctr,aes128-cbc,3des-ctr,3des-cbc,blowfish-cbc > > [2014-10-07 10:37:12.310] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations > - JSCH -> kex: client: > > aes128-ctr,aes128-cbc,3des-ctr,3des-cbc,blowfish-cbc > > [2014-10-07 10:37:12.310] [Camel (camel-1) thread #0 - > > sftp://user@host: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 > > [2014-10-07 10:37:12.310] [Camel (camel-1) thread #0 - > > sftp://user@host: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 > > [2014-10-07 10:37:12.310] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations > - JSCH -> kex: client: > > z...@openssh.com, zlib, none > > [2014-10-07 10:37:12.310] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations > - JSCH -> kex: client: > > z...@openssh.com, zlib, none > > [2014-10-07 10:37:12.310] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations > - JSCH -> kex: client: > > [2014-10-07 10:37:12.310] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations > - JSCH -> kex: client: > > [2014-10-07 10:37:12.311] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] INFO > > org.apache.camel.component.file.remote.SftpOperations - JSCH -> > > Disconnecting from host port port > > [2014-10-07 10:37:12.316] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] DEBUG > > org.apache.camel.component.file.remote.SftpConsumer - Could not connect > > to:Endpoint[sftp://user@host:port/data?compression=2&delay=70000&disconnect=false&include=filename_2014-10-06.xml&knownHostsFile=%2Fexport%2Fhome%2Flocaluser%2F.ssh%2Fknown_hosts&localWorkDirectory=%2Fexport%2Fhome%2Flocaluser%2FFTU%2Fserver%2Fwork%2F26&noop=true&pollStrategy=%23POLL_STRATEGY_ENDPOINT_16&privateKeyFile=%2Fexport%2Fhome%2Flocaluser%2F.ssh%2Fid_rsa&readLock=changed&readLockCheckInterval=5000&readLockTimeout=20000&reconnectDelay=60000&throwExceptionOnConnectFailed=true]. > > > > Will try to recover. > > org.apache.camel.component.file.GenericFileOperationFailedException: > > Cannot connect to sftp://user@host:port at > > org.apache.camel.component.file.remote.SftpOperations.connect(SftpOper > > ations.java:143) > > ~[ftu-server-3.0.2.jar:na] > > at > > org.apache.camel.component.file.remote.RemoteFileConsumer.connectIfNec > > essary(RemoteFileConsumer.java:154) > > [ftu-server-3.0.2.jar:na] > > at > > org.apache.camel.component.file.remote.RemoteFileConsumer.recoverableC > > onnectIfNecessary(RemoteFileConsumer.java:133) > > [ftu-server-3.0.2.jar:na] > > at > > org.apache.camel.component.file.remote.RemoteFileConsumer.prePollCheck > > (RemoteFileConsumer.java:55) > > [ftu-server-3.0.2.jar:na] > > at > > org.apache.camel.component.file.GenericFileConsumer.poll(GenericFileCo > > nsumer.java:106) > > [ftu-server-3.0.2.jar:na] > > at > > org.apache.camel.impl.ScheduledPollConsumer.doRun(ScheduledPollConsume > > r.java:187) > > [ftu-server-3.0.2.jar:na] > > at > > org.apache.camel.impl.ScheduledPollConsumer.run(ScheduledPollConsumer. > > java:114) > > [ftu-server-3.0.2.jar:na] > > at > > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471 > > ) > > [na:1.7.0_05] > > at > > java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java: > > 351) > > [na:1.7.0_05] > > at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:178) > > [na:1.7.0_05] at > > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.a > > ccess$301(ScheduledThreadPoolExecutor.java:178) > > [na:1.7.0_05] > > at > > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.r > > un(ScheduledThreadPoolExecutor.java:293) > > [na:1.7.0_05] > > at > > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.j > > ava:1110) > > [na:1.7.0_05] > > at > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor. > > java:603) > > [na:1.7.0_05] > > at java.lang.Thread.run(Thread.java:722) [na:1.7.0_05] Caused by: > > com.jcraft.jsch.JSchException: > > Algorithm negotiation fail > > at com.jcraft.jsch.Session.receive_kexinit(Session.java:582) > > ~[ftu-server-3.0.2.jar:na] at > > com.jcraft.jsch.Session.connect(Session.java:320) > > ~[ftu-server-3.0.2.jar:na] at > > org.apache.camel.component.file.remote.SftpOperations.connect(SftpOper > > ations.java:115) > > ~[ftu-server-3.0.2.jar:na] > > ... 14 common frames omitted > > [2014-10-07 10:37:12.316] [Camel (camel-1) thread #0 - > > sftp://user@host:port/data] DEBUG > > org.apache.camel.component.file.remote.SftpConsumer - Trying to > > recover connection to: > > Endpoint[sftp://user@host:port/data?compression=2&delay=70000&disconne > > ct=false&include=filename_2014-10-06.xml&knownHostsFile=%2Fexport%2Fho > > me%2Flocaluser%2 > > F.ssh%2Fknown_hosts&localWorkDirectory=%2Fexport%2Fhome%2Flocaluser%2F > > FTU%2Fserver%2Fwork%2F26&noop=true&pollStrategy=%23POLL_STRATEGY_ENDPO > > INT_16&privateKeyFile=%2Fexport%2Fhome%2Flocaluser%2F.ssh%2Fid_rsa&rea > > dLock=changed&readLockCheckInterval=5000&readLockTimeout=20000&reconne > > ctDelay=60000&throwExceptionOnConnectFailed=true] > > with a fresh client. > > > > > > Also debug output from unix sftp command (which connects successfully) > > is below – > > > > Connecting to host... > > debug1: Rhosts Authentication disabled, originating port will not be > > trusted. > > debug1: ssh_connect: needpriv 0 > > debug1: Connecting to host [host] port port. > > debug1: Connection established. > > debug1: identity file /export/home/localuser/.ssh/id_rsa type 1 > > debug1: identity file /export/home/localuser/.ssh/id_dsa type 2 > > debug1: Logging to host: host > > debug1: Local user: localuser Remote user: user > > debug1: Remote protocol version 2.0, remote software version > > Maverick_SSHD > > debug1: no match: Maverick_SSHD > > debug1: Enabling compatibility mode for protocol 2.0 > > debug1: Local version string SSH-2.0-Sun_SSH_1.1.6 > > debug1: use_engine is 'yes' > > debug1: pkcs11 engine initialized, now setting it as default for RSA, > > DSA, and symmetric ciphers > > debug1: pkcs11 engine initialization complete > > debug1: Failed to acquire GSS-API credentials for any mechanisms (No > > credentials were supplied, or the credentials were unavailable or > > inaccessible Unknown code 0 > > ) > > debug1: SSH2_MSG_KEXINIT sent > > debug1: SSH2_MSG_KEXINIT received > > debug1: kex: server->client aes128-cbc hmac-sha1 zlib > > debug1: kex: client->server aes128-cbc hmac-sha1 zlib > > debug1: Peer sent proposed langtags, ctos: > > debug1: Peer sent proposed langtags, stoc: > > debug1: We proposed langtags, ctos: i-default > > debug1: We proposed langtags, stoc: i-default > > debug1: SSH2_MSG_KEX_DH_GEX_REQUEST sent > > debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP > > debug1: dh_gen_key: priv key bits set: 157/320 > > debug1: bits set: 523/1024 > > debug1: SSH2_MSG_KEX_DH_GEX_INIT sent > > debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY > > debug1: Host 'host' is known and matches the RSA host key. > > debug1: Found key in /export/home/localuser/.ssh/known_hosts:19 > > debug1: bits set: 528/1024 > > debug1: ssh_rsa_verify: signature correct > > debug1: newkeys: mode 1 > > debug1: set_newkeys: setting new keys for 'out' mode > > debug1: Enabling compression at level 6. > > debug1: SSH2_MSG_NEWKEYS sent > > debug1: expecting SSH2_MSG_NEWKEYS > > debug1: newkeys: mode 0 > > debug1: set_newkeys: setting new keys for 'in' mode > > debug1: SSH2_MSG_NEWKEYS received > > debug1: done: ssh_kex2. > > debug1: send SSH2_MSG_SERVICE_REQUEST > > debug1: got SSH2_MSG_SERVICE_ACCEPT > > > > Regards > > Keshav > > > > -----Original Message----- > > From: Baweja, Keshav > > Sent: Tuesday, September 16, 2014 7:07 PM > > To: users@camel.apache.org > > Subject: RE: JSch connection issue with Maverick SSHD server > > > > 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. > > > > > > > > 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 > >: > > > > > 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,3d > > > es > > > -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-hellma > > > n- > > > 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,aes2 > > > 56 > > > -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,aes2 > > > 56 > > > -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. > > > > 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. >
