[Spring Data JPA问题]Executing an update/delete query; nested exception is javax.persistence.Transacti

JPQL以下:java

@Modifying(clearAutomatically = true)
@Query("UPDATE SyncTestFromTKDO SET stuAns = '' where typeId = ?1")
public void updateStuAns(Integer typeid);

项目运行时报错,提示:spring

Executing an update/delete query; nested exception is javax.persistence.TransactionRequiredException

缘由:

update、delete操做涉及到事务机制,须要进行设置ui

解决方法:

在调用这个方法的service类上加上注解@Transactional(import org.springframework.transaction.annotation.Transactional;)spa

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