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https://issues.apache.org/jira/browse/HDFS-8290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14528325#comment-14528325
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Hudson commented on HDFS-8290:
------------------------------
SUCCESS: Integrated in Hadoop-Yarn-trunk #918 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/918/])
HDFS-8290. WebHDFS calls before namesystem initialization can cause
NullPointerException. Contributed by Chris Nauroth. (cnauroth: rev
c4578760b67d5b5169949a1b059f4472a268ff1b)
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/web/resources/TestWebHdfsDataLocality.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/web/resources/NamenodeWebHdfsMethods.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
> WebHDFS calls before namesystem initialization can cause NullPointerException.
> ------------------------------------------------------------------------------
>
> Key: HDFS-8290
> URL: https://issues.apache.org/jira/browse/HDFS-8290
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: webhdfs
> Affects Versions: 2.6.0
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Priority: Minor
> Fix For: 2.8.0
>
> Attachments: HDFS-8290.001.patch
>
>
> The NameNode has a brief window of time when the HTTP server has been
> initialized, but the namesystem has not been initialized. During this
> window, a WebHDFS call can cause a {{NullPointerException}}. We can catch
> this condition and return a more meaningful error.
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