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Posted to common-dev@hadoop.apache.org by "Kihwal Lee (JIRA)" <ji...@apache.org> on 2017/06/28 14:02:00 UTC

[jira] [Created] (HADOOP-14607) NPE while getting list of live nodes via jmx

Kihwal Lee created HADOOP-14607:
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             Summary: NPE while getting list of live nodes via jmx
                 Key: HADOOP-14607
                 URL: https://issues.apache.org/jira/browse/HADOOP-14607
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: 2.7.3
            Reporter: Kihwal Lee


I saw this back in February during an upgrade.  A namenode was restarted and all nodes registered, but some didn't block reported. Clicking datanodes tab in the web UI wasn't working, but other UI components were working. This got resolved later on its own.



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