Sean R. Owen created SPARK-36362:
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Summary: 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
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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