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Kotlin + Spring bootで @Service に @Transactional した時の @Autowired がnullになる時の対処方法

Kotlin + Spring bootのサーバサイドKotlinで@Transactionalを付与したときに@Autowired がnullになってエラーが発生したときの対応方法です。


o.s.aop.framework.CglibAopProxy: Unable to proxy method [public final int org.mycompany.MyDAO.update(...


open class MyDAO(val jdbcTemplate: JdbcTemplate) {

   open fun update(sql: String): Int {
       return jdbcTemplate.update(sql)



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