Josh Elser created HBASE-14594:
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Summary: Use new DNS API introduced in HADOOP-12437
Key: HBASE-14594
URL: https://issues.apache.org/jira/browse/HBASE-14594
Project: HBase
Issue Type: Bug
Reporter: Josh Elser
Assignee: Josh Elser
HADOOP-12437 introduced a new API to {{org.apache.hadoop.net.DNS}}:
{{getDefaultHost(String, String, boolean)}}.
The purpose of this method (the boolean argument really) is to change the
functionality so that when rDNS fails, {{InetAddress#getCanonicalHostName()}}
is consulted which includes resolution via the hosts file.
The direct application of this new method is relevant on hosts with multiples
NICs and Kerberos enabled.
Sadly, this method only exists in 2.8.0-SNAPSHOT, so to benefit from the fix
without great pain, some reflection is required.
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