org.hibernate.orm:hibernate-jpamodelgen:6.6.2.Final (linked by org.springframework.boot:spring-boot-dependencies:3.4.0) with OpenJDK Runtime Environment Temurin-21.0.3+9 (build 21.0.3+9-LTS) don't produce the problem.
org.hibernate.orm:hibernate-jpamodelgen:6.6.2.Final
org.springframework.boot:spring-boot-dependencies:3.4.0
OpenJDK Runtime Environment Temurin-21.0.3+9 (build 21.0.3+9-LTS)