[jira] [Updated] (HDFS-6456) NFS should throw error for invalid entry in dfs.nfs.exports.allowed.hosts

["Brandon Li (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-6456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Brandon Li updated HDFS-6456:
-----------------------------

    Summary: NFS should throw error for invalid entry in dfs.nfs.exports.allowed.hosts  (was: NFS: NFS server should throw error for invalid entry in dfs.nfs.exports.allowed.hosts)

> NFS should throw error for invalid entry in dfs.nfs.exports.allowed.hosts
> -------------------------------------------------------------------------
>
>                 Key: HDFS-6456
>                 URL: https://issues.apache.org/jira/browse/HDFS-6456
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: nfs
>    Affects Versions: 2.2.0
>            Reporter: Yesha Vora
>            Assignee: Abhiraj Butala
>         Attachments: HDFS-6456.patch
>
>
> Pass invalid entry in dfs.nfs.exports.allowed.hosts. Use - as separator between hostname and access permission 
> {noformat}
> <property><name>dfs.nfs.exports.allowed.hosts</name><value>host1-rw</value></property>
> {noformat}
> This misconfiguration is not detected by NFS server. It does not print any error message. The host passed in this configuration is also not able to mount nfs. In conclusion, no node can mount the nfs with this value. A format check is required for this property. If the value of this property does not follow the format, an error should be thrown.



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