Caused by: org.springframework.dao.InvalidDataAccessApiUsageException: Executing an update/delete query; nested exception is javax.persistence.TransactionRequiredException: Executing an update/delete query

package com.easy.kotlin.picturecrawler.daoimport com.easy.kotlin.picturecrawler.entity.SearchKeyWordimport org.springframework.data.jpa.repository.Modifyingimport org.springframework.data.jpa.repository.Queryimport org.springframework.data.repository.PagingAndSortingRepositoryimport org.springframework.data.repository.query.Paramimport org.springframework.transaction.annotation.Transactional/** * Created by jack on 2017/7/17. */interface SearchKeyWordRepository : PagingAndSortingRepository<SearchKeyWord, Long> {    @Modifying    @Transactional    @Query(value = "INSERT INTO `search_key_word` (`deleted_date`, `gmt_created`, `gmt_modified`, `is_deleted`, `key_word`) VALUES (now(), now(), now(), '0', :keyWord) ON DUPLICATE KEY UPDATE `gmt_modified` = now()", nativeQuery = true)    fun saveOnNoDuplicateKey(@Param("keyWord") keyWord: String): Int}