Aiven-Open/cloud-storage-connectors-for-apache-kafka

Migrate deprecated configuration option processing ExtendedConfigKey processing.

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#533 opened on Sep 26, 2025

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S3enhancementgood first issue

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Description

Aiven-commons project has an ExtendedConfigKey that handles deprecation notification.

This change is to move deprecation processing (mostly in S3) to use the ExtendedConfigKey in preparation to moving to aiven-commons.

The tasks involved here are to

  1. Copy the aiven-commons / kafka-config / src/java packages to the commons / src directory of this project.
  2. Modify the code that processed deprecated configuration options (mostly in S3) to use the ExtendedConfigKey for all deprecated options.
  3. Modify the code to ensure that use of deprecated options is reported in the log.

Contributor guide

Research direction
Study the existing deprecation handling in S3 connector code and understand the ExtendedConfigKey usage from aiven commons. Identify all places where deprecated config options are processed and plan to use ExtendedConfigKey for deprecation notification and logging.
Tech stack
javakafka
Domain
backendapicloud
Issue type
Refactor
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
JavaApache KafkaS3 Connector
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60