Upgrade to Java 21 and Spring Boot 3.4.1 #69
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- Update Spring Boot parent version from 3.3.3 to 3.4.1 - Update Java version from 17 to 21 - Update maven-compiler-plugin from 3.8.0 to 3.13.0 with Java 21 source/target - Update MySQL connector from mysql-connector-java 8.0.33 to mysql-connector-j (managed by Spring Boot) - Update Dockerfile base images to Java 21 (maven:3.9-eclipse-temurin-21, eclipse-temurin:21-jre-alpine) - Update Hibernate dialect from MySQL8Dialect to MySQLDialect (deprecated in Hibernate 6.x) Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
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Summary
This PR upgrades the banking application from Java 17 to Java 21 (latest LTS) and Spring Boot 3.3.3 to 3.4.1. Key changes include:
mysql-connector-javatomysql-connector-j(version managed by Spring Boot BOM)maven:3.9-eclipse-temurin-21andeclipse-temurin:21-jre-alpineMySQL8DialecttoMySQLDialectReview & Testing Checklist for Human
Recommended Test Plan:
Notes
The existing Spring Security configuration already uses the modern lambda-based DSL, so no code changes were needed for security compatibility. The JPA entities and repositories use standard Jakarta Persistence annotations which are compatible with the new versions.
Link to Devin run: https://app.devin.ai/sessions/81ef529c32e343018bd1dadd88a99eb0
Requested by: Shawn Azman (@ShawnAzman)