Pin Maven to 3.8.8 for Java 11 compatibility #104
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The ubuntu-latest runner switched from Ubuntu 22.04 to Ubuntu 24.04 on Jan 17, 2025, which includes Maven 3.9.12. Maven 3.9.6+ enforces stricter Java prerequisites for plugins. While quarkus-maven-plugin 3.6.9 requires Java 17 to execute, our codebase uses Datastax Cassandra Driver 3.7.2 (from path-mapped-storage) which only supports Java 8-11. Upgrading to Datastax Driver 4.x would be a major migration. Pinning to ubuntu-22.04 keeps us on an older Maven version that doesn't enforce the plugin Java requirement as strictly, allowing builds to continue on Java 11. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Maven 3.9.0+ enforces stricter Java prerequisites for plugins. The quarkus-maven-plugin:3.6.9 requires Java 17 to execute when used with Maven 3.9.x, even though it's compiled for Java 11. Maven 3.8.8 (last pre-3.9 version) doesn't enforce this check, allowing the build to work with Java 11. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Summary
Explicitly installs Maven 3.8.8 in GitHub Actions to maintain Java 11 compatibility with Datastax Cassandra Driver 3.x dependency.
Problem
Since GitHub Actions
ubuntu-latestswitched to Ubuntu 24.04 (on Jan 17, 2025), PR builds started failing with:Root Cause:
quarkus-maven-plugin:3.6.9binary was compiled with/requires Java 17 when used with Maven 3.9.xWhy Not Upgrade to Java 17?
The codebase uses Datastax Cassandra Driver 3.7.2 (transitive dependency from
path-mapped-pathdb-datastax:3.0) which only supports Java 8-11:Upgrading to Datastax Driver 4.x (which supports Java 17) would require significant migration effort with package name and API changes (
com.datastax.cassandra→com.datastax.oss.driver).Solution
Explicitly install Maven 3.8.8 (the last version before 3.9.0) in GitHub Actions workflows. Maven 3.8.x doesn't enforce plugin Java prerequisites, allowing the build to work with Java 11.
Changes:
stCarolas/setup-maven@v4.5action to install Maven 3.8.8 before buildsruns-on: ubuntu-22.04for consistencyThis minimal change:
Future Consideration
When ready to migrate to Datastax Driver 4.x, remove the Maven version pin and upgrade to Java 17.
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