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Posted to issues@bigtop.apache.org by "Evans Ye (JIRA)" <ji...@apache.org> on 2018/06/01 16:54:00 UTC
[jira] [Resolved] (BIGTOP-3034) hadoop-httpfs daemon gave up
supervising hadoop-httpfs
[ https://issues.apache.org/jira/browse/BIGTOP-3034?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Evans Ye resolved BIGTOP-3034.
------------------------------
Resolution: Invalid
> hadoop-httpfs daemon gave up supervising hadoop-httpfs
> ------------------------------------------------------
>
> Key: BIGTOP-3034
> URL: https://issues.apache.org/jira/browse/BIGTOP-3034
> Project: Bigtop
> Issue Type: Bug
> Reporter: Chandan Pal
> Priority: Major
>
> {color:#d04437}*_Mar 02 10:46:36 norad-13365-hadoop-mgr-1 sh[27852]: mkdir: cannot create directory '/var/run/hadoop-httpfs': Permission denied_*{color}
> {color:#d04437}*_Mar 02 10:46:36 norad-13365-hadoop-mgr-1 systemd[1]: hadoop-httpfs.service: control process exited, code=exited status=1_*{color}
> {color:#d04437}*_Mar 02 10:46:36 norad-13365-hadoop-mgr-1 systemd[1]: Failed to start The Hadoop httpfs daemon._*{color}
>
> Systemd service is configured (by creating symbolic link - /usr/hdp/current/hadoop-httpfs//usr/lib/systemd/system/hadoop-httpfs.service) as part of yum installation. This service file create /var/run/hadoop-httpfs dir using "httpfs" user. The 'httpfs' doesn't have permission due to that reason service failed after reboot the system
>
> Currently the issue is this
> _[Service]_
> _Type=forking_
> _User=httpfs_
> _Group=hadoop_
> _Restart=on-failure_
> _WorkingDirectory=-/var/run/hadoop-httpfs_
> _...._
> _...._
> _ExecStartPre=/bin/sh -c 'test -d $HTTPFS_RUN || mkdir -p $HTTPFS_RUN'_
> _ExecStartPre=/bin/sh -c 'test -d $HTTPFS_LOG || mkdir -p $HTTPFS_LOG'_
> Hence the above ExecStartPre state create the $HTTPFS_RUN dir as httpfs user
> If it is added with PermissionsStartOnly=true above 'ExecStartPre' line, 'ExecStartPre' executes as a root and 'ExecStart' state is executed as httpfs user.
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