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From "Mike Drob (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11463) (findbugs) HE: Class defines equals() and uses Object.hashCode()
Date Mon, 07 Jul 2014 12:50:34 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14053611#comment-14053611

Mike Drob commented on HBASE-11463:

Ah, missed that because everything ran fine in my IDE. Thanks for the fix and applying, [~saint.ack@gmail.com]!

> (findbugs) HE: Class defines equals() and uses Object.hashCode()
> ----------------------------------------------------------------
>                 Key: HBASE-11463
>                 URL: https://issues.apache.org/jira/browse/HBASE-11463
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Mike Drob
>            Assignee: Mike Drob
>            Priority: Trivial
>              Labels: findbugs
>             Fix For: 0.99.0, 2.0.0
>         Attachments: 11463v3.txt, HBASE-11463.patch, HBASE-11463.patch, HBASE-11463.patch.txt,
> Findbugs warns that several classes define {{equals}} but not {{hashcode}}:
> {noformat}
> HE: Class defines equals() and uses Object.hashCode() (HE_EQUALS_USE_HASHCODE)
> This class overrides equals(Object), but does not override hashCode(), and inherits the
implementation of hashCode() from java.lang.Object (which returns the identity hash code,
an arbitrary value assigned to the object by the VM).  Therefore, the class is very likely
to violate the invariant that equal objects must have equal hashcodes.
> {noformat}

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