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https://issues.apache.org/jira/browse/HDFS-2747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13187634#comment-13187634
]
Hudson commented on HDFS-2747:
------------------------------
Integrated in Hadoop-Hdfs-HAbranch-build #50 (See
[https://builds.apache.org/job/Hadoop-Hdfs-HAbranch-build/50/])
HDFS-2747. Entering safe mode after starting SBN can NPE. Contributed by
Uma Maheswara Rao G.
todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1232176
Files :
*
/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
*
/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
*
/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestHASafeMode.java
> HA: entering safe mode 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
> Assignee: Uma Maheswara Rao G
> Fix For: HA branch (HDFS-1623)
>
> Attachments: HDFS-2747.patch, HDFS-2747.patch
>
>
> Entering Safemode on the primary after while it's already in safemode after
> the SBN is started results in an NPE:
> {noformat}
> 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
> {noformat}
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