Martijn Visser created FLINK-40629:
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Summary: Bump the build/enforced Maven version from 3.8.6 to
3.9.16 in flink-connector-kafka
Key: FLINK-40629
URL: https://issues.apache.org/jira/browse/FLINK-40629
Project: Flink
Issue Type: Technical Debt
Components: Connectors / Kafka
Affects Versions: kafka-5.1.0
Reporter: Martijn Visser
flink-connector-kafka still pins Maven 3.8.6 in
{{.mvn/wrapper/maven-wrapper.properties}}. FLINK-40459 moved Flink and
flink-shaded to 3.9.16, so the connector should follow.
The shared connector CI reads the version out of {{distributionUrl}} and hands
it to setup-maven, so bumping the wrapper moves CI too.
One thing has to land first. Maven 3.9 prints mojo banners using the plugin's
goal prefix ({{dependency:3.8.1:tree}}) instead of its artifactId
({{maven-dependency-plugin:3.8.1:tree}}). flink-ci-tools' DeployParser and
DependencyParser match only the artifactId spelling, and no released
flink-ci-tools carries the FLINK-40459 parser fix (newest on Central is 2.3.0;
the connector uses 2.2.1). On 3.9 the NOTICE check therefore extracts 0
deployed modules, demotes every NOTICE entry to a TOLERATED "not bundled, but
listed" warning, and still exits 0. Measured locally on this repo:
{noformat}
Maven 3.8.6 -> Extracted 4 modules that were deployed and 7 modules which
bundle dependencies
Maven 3.9.16 -> Extracted 0 modules that were deployed and 7 modules which
bundle dependencies
{noformat}
Both runs exit 0.
The shared CI needs the banner-normalisation step plus an assertion on a
non-zero module count before the wrapper here is bumped.
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