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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7185) The active NameNode will not accept an fsimage sent from the standby during rolling upgrade
Date Wed, 15 Oct 2014 00:19:36 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14171758#comment-14171758
] 

Hadoop QA commented on HDFS-7185:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12674855/HDFS-7185.002.patch
  against trunk revision cdce883.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  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 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencingWithReplication
                  org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencing

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/8423//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/8423//console

This message is automatically generated.

> The active NameNode will not accept an fsimage sent from the standby during rolling upgrade
> -------------------------------------------------------------------------------------------
>
>                 Key: HDFS-7185
>                 URL: https://issues.apache.org/jira/browse/HDFS-7185
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.4.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Jing Zhao
>         Attachments: HDFS-7185.000.patch, HDFS-7185.001.patch, HDFS-7185.002.patch, HDFS-7185.003.patch
>
>
> The active NameNode will not accept an fsimage sent from the standby during rolling upgrade.
 The active fails with the exception:
> {code}
> 18:25:07,620  WARN ImageServlet:198 - Received an invalid request file transfer request
from a secondary with storage info -59:65195028:0:CID-385de4d7-64e4-4dde-9f5d-0a6e431987f6
> 18:25:07,620  WARN log:76 - Committed before 410 PutImage failed. java.io.IOException:
This namenode has storage info -55:65195028:0:CID-385de4d7-64e4-4dde-9f5d-0a6e431987f6 but
the secondary expected -59:65195028:0:CID-385de4d7-64e4-4dde-9f5d-
> 0a6e431987f6
>         at org.apache.hadoop.hdfs.server.namenode.ImageServlet.validateRequest(ImageServlet.java:200)
>         at org.apache.hadoop.hdfs.server.namenode.ImageServlet.doPut(ImageServlet.java:443)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:730)
> {code}
> On the standby, the exception is:
> {code}
> java.io.IOException: Exception during image upload: org.apache.hadoop.hdfs.server.namenode.TransferFsImage$HttpPutFailedException:
This namenode has storage info -55:65195028:0:CID-385de4d7-64e4-4dde-9f5d-0a6e431987f6 but
the secondary expected
>  -59:65195028:0:CID-385de4d7-64e4-4dde-9f5d-0a6e431987f6
>         at org.apache.hadoop.hdfs.server.namenode.ha.StandbyCheckpointer.doCheckpoint(StandbyCheckpointer.java:218)
>         at org.apache.hadoop.hdfs.server.namenode.ha.StandbyCheckpointer.access$1400(StandbyCheckpointer.java:62)
> {code}
> This seems to be a consequence of the fact that the VERSION file still is at -55 (the
old version) even after the rolling upgrade has started.  When the rolling upgrade is finalized
with {{hdfs dfsadmin -rollingUpgrade finalize}}, both VERSION files get set to the new version,
and the problem goes away.



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