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https://issues.apache.org/jira/browse/HBASE-30319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang reassigned HBASE-30319:
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Assignee: ZaheerAhmad
> Remove unused private fields flagged by new UnusedPrivateFieldCheck#Checkstyle
> ------------------------------------------------------------------------------
>
> Key: HBASE-30319
> URL: https://issues.apache.org/jira/browse/HBASE-30319
> Project: HBase
> Issue Type: Improvement
> Components: build
> Reporter: ZaheerAhmad
> Assignee: ZaheerAhmad
> Priority: Minor
> Labels: checkstyle, pull-request-available
>
> While testing a new checkstyle check, UnusedPrivateFieldCheck (currently
> under review upstream in checkstyle/checkstyle#19816), a small number of
> unused private fields were identified in the HBase codebase.
> The check flags private fields that are declared but never referenced
> anywhere in the file — a common source of dead code in large, long-lived
> codebases. It accounts for common false-positive sources (reflection-based
> frameworks, Lombok, DI annotations, etc. via a configurable
> ignoreAnnotationCanonicalNames property) and ignores well-known
> naming conventions such as serialVersionUID by default via
> ignoredFieldNames.
> Each flagged field was manually verified as genuinely unused before
> removal — not referenced via reflection, annotations, or any other
> indirect means.
> This cleanup also serves as real-world signal for the check's development
> upstream; feedback on false positives, edge cases, or HBase-specific
> naming conventions is welcome and will help shape the check before it's
> finalized.
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