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  <channel>
    <title>question Re: Unable to start the Namenode, HDP 2.2.3 in Archives of Support Questions (Read Only)</title>
    <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/Unable-to-start-the-Namenode-HDP-2-2-3/m-p/137835#M43866</link>
    <description>&lt;P&gt;@mqureshi /var/log/ambari-server&lt;/P&gt;</description>
    <pubDate>Wed, 19 Oct 2016 06:46:21 GMT</pubDate>
    <dc:creator>kkum</dc:creator>
    <dc:date>2016-10-19T06:46:21Z</dc:date>
    <item>
      <title>Unable to start the Namenode, HDP 2.2.3</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/Unable-to-start-the-Namenode-HDP-2-2-3/m-p/137833#M43864</link>
      <description>&lt;P&gt;Log :&lt;/P&gt;&lt;P&gt;2016-10-18 13:58:22,747 - Group['hadoop'] {}
2016-10-18 13:58:22,749 - Group['users'] {}
2016-10-18 13:58:22,749 - User['hive'] {'gid': 'hadoop', 'groups': ['hadoop']}
2016-10-18 13:58:22,897 - User['zookeeper'] {'gid': 'hadoop', 'groups': ['hadoop']}
2016-10-18 13:58:23,046 - User['ams'] {'gid': 'hadoop', 'groups': ['hadoop']}
2016-10-18 13:58:23,168 - User['ambari-qa'] {'gid': 'hadoop', 'groups': ['users']}
2016-10-18 13:58:23,293 - User['tez'] {'gid': 'hadoop', 'groups': ['users']}
2016-10-18 13:58:23,464 - User['hdfs'] {'gid': 'hadoop', 'groups': ['hadoop']}
2016-10-18 13:58:23,756 - User['sqoop'] {'gid': 'hadoop', 'groups': ['hadoop']}
2016-10-18 13:58:23,905 - User['yarn'] {'gid': 'hadoop', 'groups': ['hadoop']}
2016-10-18 13:58:24,071 - User['hcat'] {'gid': 'hadoop', 'groups': ['hadoop']}
2016-10-18 13:58:24,223 - User['mapred'] {'gid': 'hadoop', 'groups': ['hadoop']}
2016-10-18 13:58:24,388 - User['hbase'] {'gid': 'hadoop', 'groups': ['hadoop']}
2016-10-18 13:58:24,547 - File['/var/lib/ambari-agent/tmp/changeUid.sh'] {'content': StaticFile('changeToSecureUid.sh'), 'mode': 0555}
2016-10-18 13:58:24,548 - Execute['/var/lib/ambari-agent/tmp/changeUid.sh ambari-qa /tmp/hadoop-ambari-qa,/tmp/hsperfdata_ambari-qa,/home/ambari-qa,/tmp/ambari-qa,/tmp/sqoop-ambari-qa'] {'not_if': '(test $(id -u ambari-qa) -gt 1000) || (false)'}
2016-10-18 13:58:24,552 - Skipping Execute['/var/lib/ambari-agent/tmp/changeUid.sh ambari-qa /tmp/hadoop-ambari-qa,/tmp/hsperfdata_ambari-qa,/home/ambari-qa,/tmp/ambari-qa,/tmp/sqoop-ambari-qa'] due to not_if
2016-10-18 13:58:24,553 - Directory['/tmp/hbase-hbase'] {'owner': 'hbase', 'recursive': True, 'mode': 0775, 'cd_access': 'a'}
2016-10-18 13:58:24,554 - File['/var/lib/ambari-agent/tmp/changeUid.sh'] {'content': StaticFile('changeToSecureUid.sh'), 'mode': 0555}
2016-10-18 13:58:24,555 - Execute['/var/lib/ambari-agent/tmp/changeUid.sh hbase /home/hbase,/tmp/hbase,/usr/bin/hbase,/var/log/hbase,/tmp/hbase-hbase'] {'not_if': '(test $(id -u hbase) -gt 1000) || (false)'}
2016-10-18 13:58:24,559 - Skipping Execute['/var/lib/ambari-agent/tmp/changeUid.sh hbase /home/hbase,/tmp/hbase,/usr/bin/hbase,/var/log/hbase,/tmp/hbase-hbase'] due to not_if
2016-10-18 13:58:24,559 - Group['hdfs'] {'ignore_failures': False}
2016-10-18 13:58:24,559 - User['hdfs'] {'ignore_failures': False, 'groups': ['hadoop', 'hdfs']}
2016-10-18 13:58:24,698 - Directory['/etc/hadoop'] {'mode': 0755}
2016-10-18 13:58:24,709 - File['/usr/hdp/current/hadoop-client/conf/hadoop-env.sh'] {'content': InlineTemplate(...), 'owner': 'hdfs', 'group': 'hadoop'}
2016-10-18 13:58:24,710 - Directory['/var/lib/ambari-agent/tmp/hadoop_java_io_tmpdir'] {'owner': 'hdfs', 'group': 'hadoop', 'mode': 0777}
2016-10-18 13:58:24,722 - Execute[('setenforce', '0')] {'not_if': '(! which getenforce ) || (which getenforce &amp;amp;&amp;amp; getenforce | grep -q Disabled)', 'sudo': True, 'only_if': 'test -f /selinux/enforce'}
2016-10-18 13:58:24,728 - Skipping Execute[('setenforce', '0')] due to not_if
2016-10-18 13:58:24,728 - Directory['/var/log/hadoop'] {'owner': 'root', 'mode': 0775, 'group': 'hadoop', 'recursive': True, 'cd_access': 'a'}
2016-10-18 13:58:24,731 - Directory['/var/run/hadoop'] {'owner': 'root', 'group': 'root', 'recursive': True, 'cd_access': 'a'}
2016-10-18 13:58:24,731 - Changing owner for /var/run/hadoop from 54372 to root
2016-10-18 13:58:24,731 - Changing group for /var/run/hadoop from 54343 to root
2016-10-18 13:58:24,731 - Directory['/tmp/hadoop-hdfs'] {'owner': 'hdfs', 'recursive': True, 'cd_access': 'a'}
2016-10-18 13:58:24,735 - File['/usr/hdp/current/hadoop-client/conf/commons-logging.properties'] {'content': Template('commons-logging.properties.j2'), 'owner': 'hdfs'}
2016-10-18 13:58:24,737 - File['/usr/hdp/current/hadoop-client/conf/health_check'] {'content': Template('health_check.j2'), 'owner': 'hdfs'}
2016-10-18 13:58:24,737 - File['/usr/hdp/current/hadoop-client/conf/log4j.properties'] {'content': ..., 'owner': 'hdfs', 'group': 'hadoop', 'mode': 0644}
2016-10-18 13:58:24,744 - File['/usr/hdp/current/hadoop-client/conf/hadoop-metrics2.properties'] {'content': Template('hadoop-metrics2.properties.j2'), 'owner': 'hdfs'}
2016-10-18 13:58:24,745 - File['/usr/hdp/current/hadoop-client/conf/task-log4j.properties'] {'content': StaticFile('task-log4j.properties'), 'mode': 0755}
2016-10-18 13:58:24,746 - File['/usr/hdp/current/hadoop-client/conf/configuration.xsl'] {'owner': 'hdfs', 'group': 'hadoop'}
2016-10-18 13:58:24,750 - File['/etc/hadoop/conf/topology_mappings.data'] {'owner': 'hdfs', 'content': Template('topology_mappings.data.j2'), 'only_if': 'test -d /etc/hadoop/conf', 'group': 'hadoop'}
2016-10-18 13:58:24,754 - File['/etc/hadoop/conf/topology_script.py'] {'content': StaticFile('topology_script.py'), 'only_if': 'test -d /etc/hadoop/conf', 'mode': 0755}
2016-10-18 13:58:24,904 - Directory['/etc/security/limits.d'] {'owner': 'root', 'group': 'root', 'recursive': True}
2016-10-18 13:58:24,910 - File['/etc/security/limits.d/hdfs.conf'] {'content': Template('hdfs.conf.j2'), 'owner': 'root', 'group': 'root', 'mode': 0644}
2016-10-18 13:58:24,911 - XmlConfig['hadoop-policy.xml'] {'owner': 'hdfs', 'group': 'hadoop', 'conf_dir': '/usr/hdp/current/hadoop-client/conf', 'configuration_attributes': {}, 'configurations': ...}
2016-10-18 13:58:24,919 - Generating config: /usr/hdp/current/hadoop-client/conf/hadoop-policy.xml
2016-10-18 13:58:24,919 - File['/usr/hdp/current/hadoop-client/conf/hadoop-policy.xml'] {'owner': 'hdfs', 'content': InlineTemplate(...), 'group': 'hadoop', 'mode': None, 'encoding': 'UTF-8'}
2016-10-18 13:58:24,927 - XmlConfig['ssl-client.xml'] {'owner': 'hdfs', 'group': 'hadoop', 'conf_dir': '/usr/hdp/current/hadoop-client/conf', 'configuration_attributes': {}, 'configurations': ...}
2016-10-18 13:58:24,934 - Generating config: /usr/hdp/current/hadoop-client/conf/ssl-client.xml
2016-10-18 13:58:24,934 - File['/usr/hdp/current/hadoop-client/conf/ssl-client.xml'] {'owner': 'hdfs', 'content': InlineTemplate(...), 'group': 'hadoop', 'mode': None, 'encoding': 'UTF-8'}
2016-10-18 13:58:24,939 - Directory['/usr/hdp/current/hadoop-client/conf/secure'] {'owner': 'root', 'group': 'hadoop', 'recursive': True, 'cd_access': 'a'}
2016-10-18 13:58:24,940 - XmlConfig['ssl-client.xml'] {'owner': 'hdfs', 'group': 'hadoop', 'conf_dir': '/usr/hdp/current/hadoop-client/conf/secure', 'configuration_attributes': {}, 'configurations': ...}
2016-10-18 13:58:24,947 - Generating config: /usr/hdp/current/hadoop-client/conf/secure/ssl-client.xml
2016-10-18 13:58:24,947 - File['/usr/hdp/current/hadoop-client/conf/secure/ssl-client.xml'] {'owner': 'hdfs', 'content': InlineTemplate(...), 'group': 'hadoop', 'mode': None, 'encoding': 'UTF-8'}
2016-10-18 13:58:24,952 - XmlConfig['ssl-server.xml'] {'owner': 'hdfs', 'group': 'hadoop', 'conf_dir': '/usr/hdp/current/hadoop-client/conf', 'configuration_attributes': {}, 'configurations': ...}
2016-10-18 13:58:24,960 - Generating config: /usr/hdp/current/hadoop-client/conf/ssl-server.xml
2016-10-18 13:58:24,960 - File['/usr/hdp/current/hadoop-client/conf/ssl-server.xml'] {'owner': 'hdfs', 'content': InlineTemplate(...), 'group': 'hadoop', 'mode': None, 'encoding': 'UTF-8'}
2016-10-18 13:58:24,966 - XmlConfig['hdfs-site.xml'] {'owner': 'hdfs', 'group': 'hadoop', 'conf_dir': '/usr/hdp/current/hadoop-client/conf', 'configuration_attributes': {}, 'configurations': ...}
2016-10-18 13:58:24,972 - Generating config: /usr/hdp/current/hadoop-client/conf/hdfs-site.xml
2016-10-18 13:58:24,973 - File['/usr/hdp/current/hadoop-client/conf/hdfs-site.xml'] {'owner': 'hdfs', 'content': InlineTemplate(...), 'group': 'hadoop', 'mode': None, 'encoding': 'UTF-8'}
2016-10-18 13:58:25,009 - XmlConfig['core-site.xml'] {'group': 'hadoop', 'conf_dir': '/usr/hdp/current/hadoop-client/conf', 'mode': 0644, 'configuration_attributes': {}, 'owner': 'hdfs', 'configurations': ...}
2016-10-18 13:58:25,018 - Generating config: /usr/hdp/current/hadoop-client/conf/core-site.xml
2016-10-18 13:58:25,018 - File['/usr/hdp/current/hadoop-client/conf/core-site.xml'] {'owner': 'hdfs', 'content': InlineTemplate(...), 'group': 'hadoop', 'mode': 0644, 'encoding': 'UTF-8'}
2016-10-18 13:58:25,034 - File['/usr/hdp/current/hadoop-client/conf/slaves'] {'content': Template('slaves.j2'), 'owner': 'hdfs'}
2016-10-18 13:58:25,035 - Directory['/opt/hadoop/hdfs/namenode'] {'owner': 'hdfs', 'cd_access': 'a', 'group': 'hadoop', 'recursive': True, 'mode': 0755}
2016-10-18 13:58:25,035 - Directory['/tmp/hadoop/hdfs/namenode'] {'owner': 'hdfs', 'cd_access': 'a', 'group': 'hadoop', 'recursive': True, 'mode': 0755}
2016-10-18 13:58:25,036 - Directory['/var/hadoop/hdfs/namenode'] {'owner': 'hdfs', 'cd_access': 'a', 'group': 'hadoop', 'recursive': True, 'mode': 0755}
2016-10-18 13:58:25,036 - Directory['/var/log/hadoop/hdfs/namenode'] {'owner': 'hdfs', 'cd_access': 'a', 'group': 'hadoop', 'recursive': True, 'mode': 0755}
2016-10-18 13:58:25,036 - Directory['/var/log/audit/hadoop/hdfs/namenode'] {'owner': 'hdfs', 'recursive': True, 'group': 'hadoop', 'mode': 0755, 'cd_access': 'a'}
2016-10-18 13:58:25,037 - Ranger admin not installed
/opt/hadoop/hdfs/namenode/namenode-formatted/ exists. Namenode DFS already formatted
/tmp/hadoop/hdfs/namenode/namenode-formatted/ exists. Namenode DFS already formatted
/var/hadoop/hdfs/namenode/namenode-formatted/ exists. Namenode DFS already formatted
/var/log/hadoop/hdfs/namenode/namenode-formatted/ exists. Namenode DFS already formatted
/var/log/audit/hadoop/hdfs/namenode/namenode-formatted/ exists. Namenode DFS already formatted
2016-10-18 13:58:25,037 - Directory['/opt/hadoop/hdfs/namenode/namenode-formatted/'] {'recursive': True}
2016-10-18 13:58:25,038 - Directory['/tmp/hadoop/hdfs/namenode/namenode-formatted/'] {'recursive': True}
2016-10-18 13:58:25,038 - Directory['/var/hadoop/hdfs/namenode/namenode-formatted/'] {'recursive': True}
2016-10-18 13:58:25,038 - Directory['/var/log/hadoop/hdfs/namenode/namenode-formatted/'] {'recursive': True}
2016-10-18 13:58:25,038 - Directory['/var/log/audit/hadoop/hdfs/namenode/namenode-formatted/'] {'recursive': True}
2016-10-18 13:58:25,040 - File['/etc/hadoop/conf/dfs.exclude'] {'owner': 'hdfs', 'content': Template('exclude_hosts_list.j2'), 'group': 'hadoop'}
2016-10-18 13:58:25,040 - Directory['/var/run/hadoop'] {'owner': 'hdfs', 'group': 'hadoop', 'mode': 0755}
2016-10-18 13:58:25,041 - Changing owner for /var/run/hadoop from 0 to hdfs
2016-10-18 13:58:25,041 - Changing group for /var/run/hadoop from 0 to hadoop
2016-10-18 13:58:25,041 - Directory['/var/run/hadoop/hdfs'] {'owner': 'hdfs', 'recursive': True}
2016-10-18 13:58:25,041 - Directory['/var/log/hadoop/hdfs'] {'owner': 'hdfs', 'recursive': True}
2016-10-18 13:58:25,042 - File['/var/run/hadoop/hdfs/hadoop-hdfs-namenode.pid'] {'action': ['delete'], 'not_if': 'ambari-sudo.sh  -H -E test -f /var/run/hadoop/hdfs/hadoop-hdfs-namenode.pid &amp;amp;&amp;amp; ambari-sudo.sh  -H -E pgrep -F /var/run/hadoop/hdfs/hadoop-hdfs-namenode.pid'}
2016-10-18 13:58:25,046 - Execute['ambari-sudo.sh su hdfs -l -s /bin/bash -c 'ulimit -c unlimited ;  /usr/hdp/current/hadoop-client/sbin/hadoop-daemon.sh --config /usr/hdp/current/hadoop-client/conf start namenode''] {'environment': {'HADOOP_LIBEXEC_DIR': '/usr/hdp/current/hadoop-client/libexec'}, 'not_if': 'ambari-sudo.sh  -H -E test -f /var/run/hadoop/hdfs/hadoop-hdfs-namenode.pid &amp;amp;&amp;amp; ambari-sudo.sh  -H -E pgrep -F /var/run/hadoop/hdfs/hadoop-hdfs-namenode.pid'} &lt;/P&gt;</description>
      <pubDate>Wed, 19 Oct 2016 05:07:04 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/Unable-to-start-the-Namenode-HDP-2-2-3/m-p/137833#M43864</guid>
      <dc:creator>kkum</dc:creator>
      <dc:date>2016-10-19T05:07:04Z</dc:date>
    </item>
    <item>
      <title>Re: Unable to start the Namenode, HDP 2.2.3</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/Unable-to-start-the-Namenode-HDP-2-2-3/m-p/137834#M43865</link>
      <description>&lt;A rel="user" href="https://community.cloudera.com/users/10746/kirankumarthella.html" nodeid="10746"&gt;@kiran thella&lt;/A&gt;&lt;P&gt;Which file is this log from? Is this the file under /var/log/hadoop/ folder? &lt;/P&gt;&lt;P&gt;Thanks&lt;/P&gt;</description>
      <pubDate>Wed, 19 Oct 2016 06:07:20 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/Unable-to-start-the-Namenode-HDP-2-2-3/m-p/137834#M43865</guid>
      <dc:creator>mqureshi</dc:creator>
      <dc:date>2016-10-19T06:07:20Z</dc:date>
    </item>
    <item>
      <title>Re: Unable to start the Namenode, HDP 2.2.3</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/Unable-to-start-the-Namenode-HDP-2-2-3/m-p/137835#M43866</link>
      <description>&lt;P&gt;@mqureshi /var/log/ambari-server&lt;/P&gt;</description>
      <pubDate>Wed, 19 Oct 2016 06:46:21 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/Unable-to-start-the-Namenode-HDP-2-2-3/m-p/137835#M43866</guid>
      <dc:creator>kkum</dc:creator>
      <dc:date>2016-10-19T06:46:21Z</dc:date>
    </item>
    <item>
      <title>Re: Unable to start the Namenode, HDP 2.2.3</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/Unable-to-start-the-Namenode-HDP-2-2-3/m-p/137836#M43867</link>
      <description>&lt;P&gt;Those are Ambari server logs. If your namenode is down, then can you please share namenode logs? Should be under /var/log/hadoop&lt;/P&gt;</description>
      <pubDate>Wed, 19 Oct 2016 06:50:26 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/Unable-to-start-the-Namenode-HDP-2-2-3/m-p/137836#M43867</guid>
      <dc:creator>mqureshi</dc:creator>
      <dc:date>2016-10-19T06:50:26Z</dc:date>
    </item>
    <item>
      <title>Re: Unable to start the Namenode, HDP 2.2.3</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/Unable-to-start-the-Namenode-HDP-2-2-3/m-p/137837#M43868</link>
      <description>&lt;P&gt;I have installed and uninstalled ambari so many times coz of that UUID and clusterd id is different from namenode and datanodes. thats why namenode is not started and datanodes too.&lt;/P&gt;&lt;P&gt;So I did &lt;/P&gt;&lt;P&gt;rm -rf /opt/hadoop/hdfs/data/* &lt;/P&gt;&lt;P&gt; /tmp/hadoop/hdfs/data/*,&lt;/P&gt;&lt;P&gt;
/var/hadoop/hdfs/data, &lt;/P&gt;&lt;P&gt;/var/log/hadoop/hdfs/data, &lt;/P&gt;&lt;P&gt;/var/log/audit/hadoop/hdfs/data/* &lt;/P&gt;&lt;P&gt;sudo -u hdfs &lt;/P&gt;&lt;P&gt;/usr/hdp/2.3.6.0-3796/hadoop/sbin/hadoop-daemon.sh --config /etc/hadoop/conf start namenode&lt;/P&gt;&lt;P&gt;su root&lt;/P&gt;&lt;P&gt;/usr/lib/hadoop/bin/hadoop-daemon.sh --config /etc/hadoop/conf start datanode&lt;/P&gt;&lt;P&gt;By doing this I fixed my issue. Hopefull it will help someone.&lt;/P&gt;&lt;P&gt;Thanks&lt;/P&gt;</description>
      <pubDate>Thu, 20 Oct 2016 02:02:35 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/Unable-to-start-the-Namenode-HDP-2-2-3/m-p/137837#M43868</guid>
      <dc:creator>kkum</dc:creator>
      <dc:date>2016-10-20T02:02:35Z</dc:date>
    </item>
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