[jira] [Resolved] (SPARK-36362) Omnibus Java code static analyzer warning fixes

["Dongjoon Hyun (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-36362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun resolved SPARK-36362.
-----------------------------------
    Fix Version/s: 3.3.0
       Resolution: Fixed

Issue resolved by pull request 33594
[https://github.com/apache/spark/pull/33594]

> Omnibus Java code static analyzer warning fixes
> -----------------------------------------------
>
>                 Key: SPARK-36362
>                 URL: https://issues.apache.org/jira/browse/SPARK-36362
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core, SQL, Tests
>    Affects Versions: 3.2.0
>            Reporter: Sean R. Owen
>            Assignee: Sean R. Owen
>            Priority: Minor
>             Fix For: 3.3.0
>
>
> Inspired by a recent Java code touch-up, I wanted to fix in one pass several lingering non-trivial issues with the Java code that a static analyzer turns up. Only a few of these have material effects, but some do, and figured we could avoid taking N PRs over time to address these.
> * Some int*int multiplications that widen to long maybe could overflow
> * Unnecessarily non-static inner classes
> * Some tests "catch (AssertionError)" and do nothing
> * Manual array iteration vs very slightly faster/simpler foreach
> * Incorrect generic types that just happen to not cause a runtime error
> * Missed opportunities for try-close
> * Mutable enums which shouldn't be
> * .. and a few other minor things



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