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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2014/01/26 23:45:38 UTC

[jira] [Resolved] (HBASE-3644) HServerAddress Violates Equivalence Relations

     [ https://issues.apache.org/jira/browse/HBASE-3644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack resolved HBASE-3644.
--------------------------

    Resolution: Invalid

No HSA anymore.  Resolving as no longer valid.

> HServerAddress Violates Equivalence Relations
> ---------------------------------------------
>
>                 Key: HBASE-3644
>                 URL: https://issues.apache.org/jira/browse/HBASE-3644
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.90.2, 0.92.0
>            Reporter: Nicolas Spiegelberg
>            Assignee: Nicolas Spiegelberg
>
> See HBASE-3387 or http://www.ibm.com/developerworks/java/library/j-jtp05273.html#N10184 .  Basically, 'a' denotes HServerAddress(DNS) & 'b' denotes HServerAddress(nslookup(DNS)).  This is extremely common within HBase when 'conf/regionserver' contains DNS entries because ClusterStatus.getServers() is IP-based. You have a.address.equals(b.address) && !a.stringValue.equals(b.stringValue).  In this case, a.equals(b) while a.hashCode() != b.hashCode().  



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