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https://issues.apache.org/jira/browse/HDFS-3597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13410288#comment-13410288
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Hadoop QA commented on HDFS-3597:
---------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12535505/hdfs-3597-3.txt
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 1 new or modified test
files.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 eclipse:eclipse. The patch built with eclipse:eclipse.
-1 findbugs. The patch appears to introduce 2 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 unit tests in
hadoop-hdfs-project/hadoop-hdfs.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/2768//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HDFS-Build/2768//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/2768//console
This message is automatically generated.
> SNN can fail to start on upgrade
> --------------------------------
>
> Key: HDFS-3597
> URL: https://issues.apache.org/jira/browse/HDFS-3597
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.0.0-alpha
> Reporter: Andy Isaacson
> Assignee: Andy Isaacson
> Priority: Minor
> Attachments: hdfs-3597-2.txt, hdfs-3597-3.txt, hdfs-3597.txt
>
>
> When upgrading from 1.x to 2.0.0, the SecondaryNameNode can fail to start up:
> {code}
> 2012-06-16 09:52:33,812 ERROR
> org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: Exception in
> doCheckpoint
> java.io.IOException: Inconsistent checkpoint fields.
> LV = -40 namespaceID = 64415959 cTime = 1339813974990 ; clusterId =
> CID-07a82b97-8d04-4fdd-b3a1-f40650163245 ; blockpoolId =
> BP-1792677198-172.29.121.67-1339813967723.
> Expecting respectively: -19; 64415959; 0; ; .
> at
> org.apache.hadoop.hdfs.server.namenode.CheckpointSignature.validateStorageInfo(CheckpointSignature.java:120)
> at
> org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doCheckpoint(SecondaryNameNode.java:454)
> at
> org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doWork(SecondaryNameNode.java:334)
> at
> org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode$2.run(SecondaryNameNode.java:301)
> at
> org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:438)
> at
> org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.run(SecondaryNameNode.java:297)
> at java.lang.Thread.run(Thread.java:662)
> {code}
> The error check we're hitting came from HDFS-1073, and it's intended to
> verify that we're connecting to the correct NN. But the check is too strict
> and considers "different metadata version" to be the same as "different
> clusterID".
> I believe the check in {{doCheckpoint}} simply needs to explicitly check for
> and handle the update case.
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