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Date: Tue, 9 Jun 2015 23:09:01 +0000 (UTC)
From: "Christopher Tubbs (JIRA)" <jira@apache.org>
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Subject: [jira] [Resolved] (ACCUMULO-3216)
 VolumeManagerImpl.findMatchingFilesystem is lacking
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     [ https://issues.apache.org/jira/browse/ACCUMULO-3216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Christopher Tubbs resolved ACCUMULO-3216.
-----------------------------------------
    Resolution: Fixed

> VolumeManagerImpl.findMatchingFilesystem is lacking
> ---------------------------------------------------
>
>                 Key: ACCUMULO-3216
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3216
>             Project: Accumulo
>          Issue Type: Bug
>          Components: tserver
>    Affects Versions: 1.6.1
>            Reporter: Josh Elser
>            Assignee: Christopher Tubbs
>            Priority: Critical
>             Fix For: 1.6.3, 1.7.1, 1.8.0
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> Part of the problem found in ACCUMULO-3215
> On a standalone instance, I configured accumulo-site with
> {noformat}
>   <property>
>     <name>instance.volumes</name>
>     <value>hdfs://localhost:8020/accumulo1.6.2</value>
>   </property>
> {noformat}
> But in core-site.xml
> {noformat}
>     <property>
>         <name>fs.defaultFS</name>
>         <value>hdfs://127.0.0.1:8020</value>
>     </property>
> {noformat}
> I then tried to export a table and re-import it (essentially followed http://accumulo.apache.org/1.5/examples/export.html)
> Ultimately, in the fate op for import table, we tried to find the matching filesystem for 127.0.0.1:8020 out of choices: localhost:8020. This then threw an NPE because there are no matching options. Which is a really nasty issue...
> We could try to make things a little better by converting any URIs with IP addrs as the hostname component to resolved the resolved hostname via DNS, but we should already know that relying on rDNS to be properly configured is a shot in the dark at best.



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