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https://issues.apache.org/jira/browse/HDFS-5251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13776299#comment-13776299
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Hudson commented on HDFS-5251:
------------------------------
SUCCESS: Integrated in Hadoop-Hdfs-trunk #1532 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/1532/])
HDFS-5251. Race between the initialization of NameNode and the http server.
Contributed by Haohui Mai. (suresh:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1525787)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NamenodeJspHelper.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeJspHelper.java
> Race between the initialization of NameNode and the http server
> ---------------------------------------------------------------
>
> Key: HDFS-5251
> URL: https://issues.apache.org/jira/browse/HDFS-5251
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Haohui Mai
> Assignee: Haohui Mai
> Fix For: 2.2.0
>
> Attachments: HDFS-5251.000.patch
>
>
> The constructor of NameNode starts a HTTP server before the FSNameSystem is
> initialized. Currently there is a race where the HTTP server can access the
> uninitialized namesystem variable, throwing a NullPointerException.
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