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From Íñigo Goiri (JIRA) <j...@apache.org>
Subject [jira] [Commented] (HDFS-13226) RBF: We should throw the failure validate and refuse this mount entry
Date Wed, 07 Mar 2018 03:05:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16388932#comment-16388932
] 

Íñigo Goiri commented on HDFS-13226:
------------------------------------

Thanks [~maobaolong] for the examples; that makes sense.
I would go for your first proposal, switching to exceptions might be too disruptive.
The only thing, is you should probably still do the check:
{code}
if (this.getDestinations() == null || this.getDestinations().size() == 0) {
  LOG.error("Invalid entry, no destination paths specified ", this);
  return false;
}
{code}

> RBF: We should throw the failure validate and refuse this mount entry
> ---------------------------------------------------------------------
>
>                 Key: HDFS-13226
>                 URL: https://issues.apache.org/jira/browse/HDFS-13226
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs
>    Affects Versions: 3.2.0
>            Reporter: maobaolong
>            Assignee: maobaolong
>            Priority: Major
>              Labels: RBF
>             Fix For: 3.2.0
>
>         Attachments: HDFS-13226.001.patch
>
>
> one of the mount entry source path rule is that the source path must start with '\',
somebody didn't follow the rule and execute the following command:
> {code:bash}
> $ hdfs dfsrouteradmin -add addnode/ ns1 /addnode/
> {code}
> But, the console show we are successful add this entry.



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