https://docs.spring.io/spring-framework/docs/3.0.6.RELEASE_to_3.1.0.BUILD-SNAPSHOT/3.0.6.RELEASE/org/springframework/jdbc/core/JdbcTemplate.CloseSuppressingInvocationHandler.html
JdbcTemplate.CloseSuppressingInvocationHandler
jdbctemplate
https://grails.apache.org/docs/latest/api/org/grails/orm/hibernate/GrailsHibernateTemplate.CloseSuppressingInvocationHandler.html
GrailsHibernateTemplate.CloseSuppressingInvocationHandler (Grails 8.0.0-M1)
grails