[jira] [Resolved] (HBASE-8951) DNS not resolving should no longer show in logs as ERROR

["Andrew Kyle Purtell (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-8951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Kyle Purtell resolved HBASE-8951.
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    Resolution: Invalid

> DNS not resolving should no longer show in logs as ERROR
> --------------------------------------------------------
>
>                 Key: HBASE-8951
>                 URL: https://issues.apache.org/jira/browse/HBASE-8951
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.94.5
>            Reporter: Ron Echeverri
>            Priority: Minor
>
> Current error message from an hbase-0.94.5 installation:
> {{ERROR mapreduce.TableInputFormatBase: Cannot resolve the host name for /192.168.254.178 because of javax.naming.CommunicationException: DNS error [Root exception is java.net.PortUnreachableException: ICMP Port Unreachable]; remaining name '178.254.168.192.in-addr.arpa'}}
> According to the Book, "Both forward and reverse DNS resolving must work in versions of HBase previous to 0.92.0."  Given that since 0.92.0, forward/reverse DNS is not required, this should be a WARN and not an ERROR.



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