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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2120) on reconnect, DN can connect to NN even with different source versions
Date Thu, 07 Jul 2011 23:38:16 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13061674#comment-13061674
] 

Hadoop QA commented on HDFS-2120:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12485661/HDFS-2120.patch
  against trunk revision 1143147.

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  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.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

    +1 system test framework.  The patch passed system test framework compile.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/895//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/895//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/895//console

This message is automatically generated.

> on reconnect, DN can connect to NN even with different source versions
> ----------------------------------------------------------------------
>
>                 Key: HDFS-2120
>                 URL: https://issues.apache.org/jira/browse/HDFS-2120
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: John George
>            Assignee: John George
>         Attachments: HDFS-2120.patch
>
>
> DN or NN does not check for source versions in cases when NN goes away or has lost connection.
The only check that is done by NN is for LAYOUT_VERSION and DN does not check for any version
mismatch. 

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