Remove the unused HudiPlugin class from hudi-trino

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#20,004 opened on Sep 19, 2026 0 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 3/5
Estimated time: 1-2 days
Newbie friendliness: 68/100

Issue type: Refactor
Clarity: Mostly clear
Activity status: Active
Tech stack: java
Domain: data-engineering

Research direction

Locate io.trino.plugin.hudi.HudiPlugin in hudi-trino's main sources and inspect the Hudi-side tests that install the connector. Check whether those tests require a plugin class and, if so, use the proposed test-only equivalent. Done means the main-source class is removed without breaking tests or the Trino duplicate-finder configuration.

Written by the indexing model from the issue text.

Description

Follow-up to #18780 (RFC-105 hudi-trino migration), raised in review of trinodb/trino#30682.

What

hudi-trino ships io.trino.plugin.hudi.HudiPlugin (checked in hudi-trino-1.2.1-rc2.jar), but no META-INF/services/io.trino.spi.Plugin descriptor, so Trino never loads it. The entry point Trino actually uses is the HudiPlugin in Trino's plugin/trino-hudi module, which wraps HudiConnectorFactory from hudi-trino.

Because both jars contain the same class, Trino's trino-hudi pom has to tell duplicate-finder to ignore io.trino.plugin.hudi.HudiPlugin.

Proposed fix

Remove HudiPlugin from hudi-trino's main sources. If Hudi-side tests need a plugin to install the connector, keep a test-only equivalent (for example TestingHudiPlugin).

Why here

Under RFC-105 the Trino-side HudiPlugin is the only entry point, and the class in hudi-trino can only be removed here.

Dominant language: Java
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Forks: 2.5k
Avg merge: 1d 23h
Merged PRs (30d): 111

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