解决InvalidDataAccessApiUsageException: Executing an update/delete query

参考网址:  http://blog.csdn.net/lzwglory/article/details/18839087

注解SQL  在后面加上@Transactional让spirng来管理事务

@Modifying@Transactional  @Query("delete from Task task where task.user.id=?1")     void deleteByUserId(Long id);