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From "Di Li (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-20472) MapRed History server start does not create directories in HDFS when WEBHDFS is disabled.
Date Thu, 16 Mar 2017 02:23:41 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-20472?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Di Li updated AMBARI-20472:
---------------------------
    Attachment: AMBARI-20472.patch

> MapRed History server start does not create directories in HDFS when WEBHDFS is disabled.
> -----------------------------------------------------------------------------------------
>
>                 Key: AMBARI-20472
>                 URL: https://issues.apache.org/jira/browse/AMBARI-20472
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: trunk
>            Reporter: Di Li
>            Assignee: Di Li
>             Fix For: trunk
>
>         Attachments: AMBARI-20472.patch
>
>
> MapRed HistoryServer start logic (implemented in yarn.py) creates various dirs in HDFS.
The dir creation only runs thru when WEBHDFS is enabled. When WEBHDFS is disabled, HdfsResource
calls bailed with NPE as the following one.
> Creating: Resource [source=null, target=/app-logs, type=directory, action=create, owner=yarn,
group=hadoop, mode=777, recursiveChown=false, recursiveChmod=true, changePermissionforParents=false,
manageIfExists=false]
> Exception occurred, Reason: null
> java.lang.NullPointerException
> 	at org.apache.hadoop.fs.FileSystem.fixRelativePart(FileSystem.java:2211)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1300)
> 	at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1426)
> 	at org.apache.ambari.fast_hdfs_resource.Runner.main(Runner.java:80)



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