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Posted to issues@ambari.apache.org by "Tamas Payer (Jira)" <ji...@apache.org> on 2021/04/20 13:42:00 UTC

[jira] [Resolved] (AMBARI-25638) FindBugs: Class defines equals() and uses Object.hashCode()

     [ https://issues.apache.org/jira/browse/AMBARI-25638?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tamas Payer resolved AMBARI-25638.
----------------------------------
    Resolution: Fixed

> FindBugs: Class defines equals() and uses Object.hashCode()
> -----------------------------------------------------------
>
>                 Key: AMBARI-25638
>                 URL: https://issues.apache.org/jira/browse/AMBARI-25638
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.7.3, 2.7.4, 2.7.5
>            Reporter: Tamas Payer
>            Assignee: Tamas Payer
>            Priority: Major
>              Labels: cleanup, findbugs, server
>             Fix For: 2.7.6
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> FindBugs finding:
> org.apache.ambari.server.state.alert.MetricSource$JmxInfo defines equals and uses Object.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.



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