Ron Echeverri created HBASE-8951:
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Summary: 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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