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From "Eli Collins (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-2747) HA: entering SM after starting SBN can NPE
Date Wed, 04 Jan 2012 05:40:39 GMT
HA: entering SM after starting SBN can NPE

                 Key: HDFS-2747
                 URL: https://issues.apache.org/jira/browse/HDFS-2747
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: ha
    Affects Versions: HA branch (HDFS-1623)
            Reporter: Eli Collins

Entering SM on the primary after while it's already in SM after the SBN is started results
in an NPE: 

hadoop-0.24.0-SNAPSHOT $ ./bin/hdfs dfsadmin -safemode get
Safe mode is ON
hadoop-0.24.0-SNAPSHOT $ ./bin/hdfs dfsadmin -safemode enter
safemode: java.lang.NullPointerException

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