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Date: Sat, 10 Oct 2015 13:47:05 +0000 (UTC)
From: "Hadoop QA (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HADOOP-11515) Upgrade jsch lib to jsch-0.1.51
 to avoid problems running on java7
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    [ https://issues.apache.org/jira/browse/HADOOP-11515?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14951844#comment-14951844 ] 

Hadoop QA commented on HADOOP-11515:
------------------------------------

\\
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  16m  5s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags. |
| {color:red}-1{color} | tests included |   0m  0s | The patch doesn't appear to include any new or modified tests.  Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. |
| {color:green}+1{color} | javac |   7m 48s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  10m 10s | There were no new javadoc warning messages. |
| {color:red}-1{color} | release audit |   0m 20s | The applied patch generated 1 release audit warnings. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace. |
| {color:green}+1{color} | install |   1m 29s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 35s | The patch built with eclipse:eclipse. |
| | |  36m 30s | |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12694953/HDFS-7376.1.patch |
| Optional Tests | javadoc javac unit |
| git revision | trunk / 7e2c971 |
| Release Audit | https://builds.apache.org/job/PreCommit-HADOOP-Build/7795/artifact/patchprocess/patchReleaseAuditProblems.txt |
| Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/7795/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf906.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/7795/console |


This message was automatically generated.

> 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
>              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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