Upgrade to Spring Boot 4.0.1 #646
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Summary
This PR upgrades the Agate authentication server from Spring Boot 3.5.7 to Spring Boot 4.0.1, which is a major version upgrade requiring several breaking changes to be addressed.
Changes Made
Core Framework Updates
Dependency Changes
spring-boot-starter-aopwithspring-boot-starter-aspectj(renamed in Spring Boot 4)spring-boot-jdbcdependency for DataSourceBuilder compatibilityjetty-ee10-*tojetty-ee11-*Code Changes
DataSourceBuilderusage with directDriverManagerDataSourceinstantiation (DataSourceBuilder removed in Spring Boot 4)determineDefaultTimeZonemethod implementationCompatibility Notes
server.servlet.context-path)Testing
Breaking Changes Addressed
Migration Path
This upgrade maintains backward compatibility for configuration and APIs. No changes required to existing deployments beyond updating the runtime environment.