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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2015/01/28 12:00:36 UTC
[jira] [Updated] (HADOOP-11515) Upgrade jsch lib to jsch-0.1.51 to
avoid problems running on java7
[ https://issues.apache.org/jira/browse/HADOOP-11515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steve Loughran updated HADOOP-11515:
------------------------------------
Status: Open (was: Patch Available)
> Upgrade jsch lib to jsch-0.1.51 to avoid problems running on java7
> ------------------------------------------------------------------
>
> Key: HADOOP-11515
> URL: https://issues.apache.org/jira/browse/HADOOP-11515
> Project: Hadoop Common
> Issue Type: Bug
> Components: build
> Affects Versions: 2.6.0
> Reporter: Johannes Zillmann
> Assignee: Tsuyoshi OZAWA
> Attachments: HDFS-7376.1.patch
>
>
> We had an application sitting on top of Hadoop and got problems using jsch once we switched to java 7. Got this exception:
> {noformat}
> com.jcraft.jsch.JSchException: verify: false
> at com.jcraft.jsch.Session.connect(Session.java:330)
> at com.jcraft.jsch.Session.connect(Session.java:183)
> {noformat}
> Upgrading to jsch-0.1.51 from jsch-0.1.49 fixed the issue for us, but then it got in conflict with hadoop's jsch version (we fixed this for us by jarjar'ing our jsch version).
> So i think jsch got introduce by namenode HA (HDFS-1623). So you guys should check if the ssh part is properly working for java7 or preventively upgrade the jsch lib to jsch-0.1.51!
> Some references to problems reported:
> - http://sourceforge.net/p/jsch/mailman/jsch-users/thread/loom.20131009T211650-749@post.gmane.org/
> - https://issues.apache.org/bugzilla/show_bug.cgi?id=53437
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