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https://issues.apache.org/jira/browse/VFS-766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17201591#comment-17201591
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Bernd Eckenfels commented on VFS-766:
-------------------------------------
Release matters are discussed on the developers mailing list. There are no
fixed release schedules, it depends on volunteer availability. Historic dates
should be visible in the changes.xml metadata inside the repository
https://github.com/apache/commons-vfs/blob/master/src/changes/changes.xml some
stuff is also in the wiki but not very active as the canonical release happens
on the distribution servers and is announced by the mailing list.
> SftpClientFactory hangs at FileSystemManager.resolveFile(...)
> -------------------------------------------------------------
>
> Key: VFS-766
> URL: https://issues.apache.org/jira/browse/VFS-766
> Project: Commons VFS
> Issue Type: Bug
> Affects Versions: 2.5.0, 2.6.0
> Reporter: Jasper Teng
> Priority: Critical
> Fix For: 2.7.0
>
>
> Issue: When trying to sftp, it hangs inside
> FileSystemManager.resolveFile(...).
>
> Libs in classpath used for testing:
> * commons-vfs2-2.6.0.jar / commons-vfs2-2.5.0.jar
> * commons-vfs2-jackrabbit2-2.5.0.jar
> * jackrabbit-webdav-2.20.0.jar
>
> Issue Log file (2.5.0 + Server X):
> {noformat}
> 25 Mar, 20:00:37,825 INFO main [SftpClientFactory$JSchLogger.log()]
> [65017ms] Connection established
> 25 Mar, 20:00:38,013 INFO main [SftpClientFactory$JSchLogger.log()]
> [65205ms] Remote version string: SSH-2.0-ProVide
> 25 Mar, 20:00:38,017 INFO main [SftpClientFactory$JSchLogger.log()]
> [65209ms] Local version string: SSH-2.0-JSCH-0.1.52
> ...snip...
> 25 Mar, 20:01:02,802 INFO main [SftpClientFactory$JSchLogger.log()]
> [89994ms] kex: server->client aes128-ctr hmac-md5 none
> 25 Mar, 20:01:02,809 INFO main [SftpClientFactory$JSchLogger.log()]
> [90001ms] kex: client->server aes128-ctr hmac-md5 none
> 25 Mar, 20:01:06,359 INFO main [SftpClientFactory$JSchLogger.log()]
> [93551ms] SSH_MSG_KEXDH_INIT sent
> 25 Mar, 20:01:06,363 INFO main [SftpClientFactory$JSchLogger.log()]
> [93555ms] expecting SSH_MSG_KEXDH_REPLY
> 25 Mar, 20:01:10,410 INFO main [SftpClientFactory$JSchLogger.log()]
> [97602ms] ssh_rsa_verify: signature true
> 25 Mar, 20:01:10,427 WARN main [SftpClientFactory$JSchLogger.log()]
> [97619ms] Permanently added 'mask.mask.mask' (RSA) to the list of known hosts.
> 25 Mar, 20:01:10,438 INFO main [SftpClientFactory$JSchLogger.log()]
> [97630ms] SSH_MSG_NEWKEYS sent
> 25 Mar, 20:01:10,625 INFO main [SftpClientFactory$JSchLogger.log()]
> [97817ms] SSH_MSG_NEWKEYS received
> 25 Mar, 20:01:10,709 INFO main [SftpClientFactory$JSchLogger.log()]
> [97901ms] SSH_MSG_SERVICE_REQUEST sent
> 25 Mar, 20:01:10,897 INFO main [SftpClientFactory$JSchLogger.log()]
> [98089ms] SSH_MSG_SERVICE_ACCEPT received
> 25 Mar, 20:01:11,098 INFO main [SftpClientFactory$JSchLogger.log()]
> [98290ms] Authentications that can continue:
> publickey,keyboard-interactive,password
> 25 Mar, 20:01:11,102 INFO main [SftpClientFactory$JSchLogger.log()]
> [98294ms] Next authentication method: publickey
> 25 Mar, 20:01:11,114 INFO main [SftpClientFactory$JSchLogger.log()]
> [98306ms] Authentications that can continue: password
> 25 Mar, 20:01:11,119 INFO main [SftpClientFactory$JSchLogger.log()]
> [98311ms] Next authentication method: password
> 25 Mar, 20:01:11,735 INFO main [SftpClientFactory$JSchLogger.log()]
> [98927ms] Authentication succeeded (password).{noformat}
>
> Issue Log file (2.6.0 + Server X):
> {noformat}
> 26 Mar, 09:42:07,781 INFO main [SftpClientFactory$JSchLogger.log()]
> [20400ms] Connection established
> 26 Mar, 09:42:07,971 INFO main [SftpClientFactory$JSchLogger.log()]
> [20590ms] Remote version string: SSH-2.0-ProVide
> 26 Mar, 09:42:07,975 INFO main [SftpClientFactory$JSchLogger.log()]
> [20594ms] Local version string: SSH-2.0-JSCH-0.1.52
> ...snip...
> 26 Mar, 09:42:33,250 INFO main [SftpClientFactory$JSchLogger.log()]
> [45869ms] kex: server->client aes128-ctr hmac-md5 none
> 26 Mar, 09:42:33,258 INFO main [SftpClientFactory$JSchLogger.log()]
> [45877ms] kex: client->server aes128-ctr hmac-md5 none
> 26 Mar, 09:42:36,710 INFO main [SftpClientFactory$JSchLogger.log()]
> [49329ms] SSH_MSG_KEXDH_INIT sent
> 26 Mar, 09:42:36,716 INFO main [SftpClientFactory$JSchLogger.log()]
> [49335ms] expecting SSH_MSG_KEXDH_REPLY
> 26 Mar, 09:42:40,635 INFO main [SftpClientFactory$JSchLogger.log()]
> [53254ms] ssh_rsa_verify: signature true
> 26 Mar, 09:42:40,653 INFO main [SftpClientFactory$JSchLogger.log()]
> [53272ms] Host 'mask.mask.mask' is known and matches the RSA host key
> 26 Mar, 09:42:40,660 INFO main [SftpClientFactory$JSchLogger.log()]
> [53279ms] SSH_MSG_NEWKEYS sent
> 26 Mar, 09:42:40,845 INFO main [SftpClientFactory$JSchLogger.log()]
> [53464ms] SSH_MSG_NEWKEYS received
> 26 Mar, 09:42:40,953 INFO main [SftpClientFactory$JSchLogger.log()]
> [53572ms] SSH_MSG_SERVICE_REQUEST sent
> 26 Mar, 09:42:41,153 INFO main [SftpClientFactory$JSchLogger.log()]
> [53772ms] SSH_MSG_SERVICE_ACCEPT received
> 26 Mar, 09:42:41,356 INFO main [SftpClientFactory$JSchLogger.log()]
> [53975ms] Authentications that can continue:
> publickey,keyboard-interactive,password
> 26 Mar, 09:42:41,359 INFO main [SftpClientFactory$JSchLogger.log()]
> [53978ms] Next authentication method: publickey
> 26 Mar, 09:42:41,370 INFO main [SftpClientFactory$JSchLogger.log()]
> [53989ms] Authentications that can continue: password
> 26 Mar, 09:42:41,374 INFO main [SftpClientFactory$JSchLogger.log()]
> [53993ms] Next authentication method: password
> 26 Mar, 09:42:42,388 INFO main [SftpClientFactory$JSchLogger.log()]
> [55007ms] Authentication succeeded (password).
> {noformat}
>
> Additional Important Notes:
> * commons-vfs2-2.4.1.jar works
> * issues can only be reproduced on certain sftp servers
>
> Non issue log file (2.4.1 + Server X):
> {noformat}
> 26 Mar, 09:56:29,747 INFO main [SftpClientFactory$JSchLogger.log()]
> [25083ms] Connection established
> 26 Mar, 09:56:29,948 INFO main [SftpClientFactory$JSchLogger.log()]
> [25284ms] Remote version string: SSH-2.0-ProVide
> 26 Mar, 09:56:29,961 INFO main [SftpClientFactory$JSchLogger.log()]
> [25297ms] Local version string: SSH-2.0-JSCH-0.1.52
> ...snip...
> 26 Mar, 09:56:57,870 INFO main [SftpClientFactory$JSchLogger.log()]
> [53206ms] kex: server->client aes128-ctr hmac-md5 none
> 26 Mar, 09:56:57,874 INFO main [SftpClientFactory$JSchLogger.log()]
> [53210ms] kex: client->server aes128-ctr hmac-md5 none
> 26 Mar, 09:57:01,314 INFO main [SftpClientFactory$JSchLogger.log()]
> [56650ms] SSH_MSG_KEXDH_INIT sent
> 26 Mar, 09:57:01,318 INFO main [SftpClientFactory$JSchLogger.log()]
> [56654ms] expecting SSH_MSG_KEXDH_REPLY
> 26 Mar, 09:57:05,237 INFO main [SftpClientFactory$JSchLogger.log()]
> [60573ms] ssh_rsa_verify: signature true
> 26 Mar, 09:57:05,253 INFO main [SftpClientFactory$JSchLogger.log()]
> [60589ms] Host 'mask.mask.mask' is known and matches the RSA host key
> 26 Mar, 09:57:05,258 INFO main [SftpClientFactory$JSchLogger.log()]
> [60594ms] SSH_MSG_NEWKEYS sent
> 26 Mar, 09:57:05,444 INFO main [SftpClientFactory$JSchLogger.log()]
> [60780ms] SSH_MSG_NEWKEYS received
> 26 Mar, 09:57:05,526 INFO main [SftpClientFactory$JSchLogger.log()]
> [60862ms] SSH_MSG_SERVICE_REQUEST sent
> 26 Mar, 09:57:05,713 INFO main [SftpClientFactory$JSchLogger.log()]
> [61049ms] SSH_MSG_SERVICE_ACCEPT received
> 26 Mar, 09:57:05,911 INFO main [SftpClientFactory$JSchLogger.log()]
> [61247ms] Authentications that can continue:
> publickey,keyboard-interactive,password
> 26 Mar, 09:57:05,915 INFO main [SftpClientFactory$JSchLogger.log()]
> [61251ms] Next authentication method: publickey
> 26 Mar, 09:57:05,927 INFO main [SftpClientFactory$JSchLogger.log()]
> [61263ms] Authentications that can continue: password
> 26 Mar, 09:57:05,931 INFO main [SftpClientFactory$JSchLogger.log()]
> [61267ms] Next authentication method: password
> 26 Mar, 09:57:06,567 INFO main [SftpClientFactory$JSchLogger.log()]
> [61903ms] Authentication succeeded (password).{noformat}
> Non issue log file (2.6.0 + Server A):
> {noformat}
> 26 Mar, 09:47:39,035 INFO main [SftpClientFactory$JSchLogger.log()] [1778ms]
> Connection established
> 26 Mar, 09:47:39,045 INFO main [SftpClientFactory$JSchLogger.log()] [1788ms]
> Remote version string: SSH-2.0-OpenSSH_6.2
> 26 Mar, 09:47:39,045 INFO main [SftpClientFactory$JSchLogger.log()] [1788ms]
> Local version string: SSH-2.0-JSCH-0.1.52
> ...snip...
> 26 Mar, 09:47:41,603 INFO main [SftpClientFactory$JSchLogger.log()] [4346ms]
> kex: server->client aes128-ctr hmac-md5 none
> 26 Mar, 09:47:41,604 INFO main [SftpClientFactory$JSchLogger.log()] [4347ms]
> kex: client->server aes128-ctr hmac-md5 none
> 26 Mar, 09:47:41,607 INFO main [SftpClientFactory$JSchLogger.log()] [4350ms]
> SSH_MSG_KEXDH_INIT sent
> 26 Mar, 09:47:41,607 INFO main [SftpClientFactory$JSchLogger.log()] [4350ms]
> expecting SSH_MSG_KEXDH_REPLY
> 26 Mar, 09:47:41,615 INFO main [SftpClientFactory$JSchLogger.log()] [4358ms]
> ssh_rsa_verify: signature true
> 26 Mar, 09:47:41,616 INFO main [SftpClientFactory$JSchLogger.log()] [4359ms]
> Host 'mask.mask.mask' is known and matches the RSA host key
> 26 Mar, 09:47:41,616 INFO main [SftpClientFactory$JSchLogger.log()] [4359ms]
> SSH_MSG_NEWKEYS sent
> 26 Mar, 09:47:41,616 INFO main [SftpClientFactory$JSchLogger.log()] [4359ms]
> SSH_MSG_NEWKEYS received
> 26 Mar, 09:47:41,621 INFO main [SftpClientFactory$JSchLogger.log()] [4364ms]
> SSH_MSG_SERVICE_REQUEST sent
> 26 Mar, 09:47:41,621 INFO main [SftpClientFactory$JSchLogger.log()] [4364ms]
> SSH_MSG_SERVICE_ACCEPT received
> 26 Mar, 09:47:41,626 INFO main [SftpClientFactory$JSchLogger.log()] [4369ms]
> Authentications that can continue: publickey,keyboard-interactive,password
> 26 Mar, 09:47:41,626 INFO main [SftpClientFactory$JSchLogger.log()] [4369ms]
> Next authentication method: publickey
> 26 Mar, 09:47:41,627 INFO main [SftpClientFactory$JSchLogger.log()] [4370ms]
> Authentications that can continue: keyboard-interactive,password
> 26 Mar, 09:47:41,627 INFO main [SftpClientFactory$JSchLogger.log()] [4370ms]
> Next authentication method: keyboard-interactive
> 26 Mar, 09:47:41,635 INFO main [SftpClientFactory$JSchLogger.log()] [4378ms]
> Authentication succeeded (keyboard-interactive).{noformat}
>
>
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