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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11515) Upgrade jsch lib to jsch-0.1.51 to avoid problems running on java7
Date Tue, 13 Oct 2015 14:13:06 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11515?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14954996#comment-14954996
] 

Kihwal Lee commented on HADOOP-11515:
-------------------------------------

+1

> 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: Steve Loughran
>              Labels: BB2015-05-TBR
>         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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