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https://issues.apache.org/jira/browse/AMBARI-13462?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14962544#comment-14962544
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Sumit Mohanty commented on AMBARI-13462:
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>From the log, the version of hadoop is older than what is shipped with
>HDP-2.3.0.0. The log show {{2.6.0}} but it should be {{2.7.1}} as shown in the
>following:
{quote}
STARTUP_MSG: version = 2.7.1.2.3.2.0-2950
classpath =
/usr/hdp/current/hadoop-client/conf:/usr/hdp/2.3.2.0-2950/hadoop/lib/api-util-1.0.0-M20.jar:/usr/hdp/2.3.2.0-2950/hadoop/lib/commons-configuration-1.6.jar:/usr/hdp/2.3.2.0-2950/hadoop/lib/guava-11.0.2.jar:/usr/hdp/2.3.2.0-2950/hadoop/lib/apacheds-kerberos-codec-2.0.0-M15.jar:/usr/hdp/2.3.2.0-2950/hadoop/lib/eclipselink-2.5.2-M1.jar:/usr/hdp/2.3.2.0-2950/hadoop/lib/hamcrest-core-1.3.jar:...
{quote}
Also, I see the jars coming from {{/opt/hadoop-2.6.0/share/hadoop/...}}. So my
guess is that an older version is deployed and some environment variable is
pointing to that deployment. Whats the value of baseurl in
{{/etc/apt/sources.list.d/HDP.list}}?
> NameNode fails to start due to unexpected version of storage directory
> ----------------------------------------------------------------------
>
> Key: AMBARI-13462
> URL: https://issues.apache.org/jira/browse/AMBARI-13462
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.1.2
> Environment: Ubuntu 14.04 LTS fresh install
> Reporter: Theodore Omtzigt
>
> NameNode service does not start on fresh install through Wizard.
> 2015-10-18 10:18:54,427 FATAL namenode.NameNode (NameNode.java:main(1509)) -
> Failed to start namenode.
> org.apache.hadoop.hdfs.server.common.IncorrectVersionException: Unexpected
> version of storage directory /hadoop/hdfs/namenode. Reported: -63. Expecting
> = -60.
> Removing the content of /hadoop/hdfs/namenode, and restarting the NameNode
> through the Ambari server, yields a repeatable process to trigger this bug.
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