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TransactionRequiredException: No transactional EntityManager availableEntityManager執(zhí)行以下方法(refresh, persist, flush, joinTransaction, remove, merge) 都需要需要事務(wù)if (transactionRequiringMethods.contains(method.getName())) {// We need a transactional target now, according to the JPA spec.// Otherwise, the operation would get accepted but remain unflushed...if (target == null) {throw new TransactionRequiredException("No transactional EntityManager available");} }需要在方法上加上@Transactional

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轉(zhuǎn)載于:https://my.oschina.net/u/2326864/blog/1859509

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