Migrate from Java 17 to Java 22 (Phases 1-5) #84
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- Update Java version from 17 to 22 in pom.xml - Upgrade Spring Boot from 3.3.3 to 3.4.0 for Java 22 support - Update Maven Compiler Plugin from 3.8.0 to 3.13.0 - Update source/target from 1.8 to 22 in Maven Compiler Plugin - Update Dockerfile build stage to maven:3.9.9-eclipse-temurin-22 - Update Dockerfile runtime stage to eclipse-temurin:22-jre-alpine - Update README.md and README-K8S.md Jenkins installation instructions Co-Authored-By: Satwik Bebortha <satwik.bebortha@cognition.ai>
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Summary
This PR migrates the Spring Boot BankApp from Java 17 to Java 22, covering phases 1-5 of the migration plan (stopping before production deployment).
Changes made:
pom.xml: Java version 17→22, Spring Boot 3.3.3→3.4.0, Maven Compiler Plugin 3.8.0→3.13.0, source/target 1.8→22Dockerfile: Build stage tomaven:3.9.9-eclipse-temurin-22, runtime stage toeclipse-temurin:22-jre-alpineREADME.mdandREADME-K8S.md: Jenkins installation instructions to useopenjdk-22-jreValidation performed:
Review & Testing Checklist for Human
openjdk-22-jrepackage availability - The README instructions reference this package for apt install, but it may not be available in standard Ubuntu repositories since Java 22 is non-LTS. Consider updating to use Eclipse Temurin PPA or alternative installation method.Recommended test plan: Deploy to a staging environment with MySQL and verify the application functions correctly end-to-end.
Notes
Link to Devin run: https://app.devin.ai/sessions/b34edeacd0194657a8e4f2bc822f33aa
Requested by: Satwik Bebortha (@satwik-cog)