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参考地址:
http://docs.spring.io/spring-data/jpa/docs/current/api/org/springframework/data/jpa/repository/config/EnableJpaRepositories.html#enableDefaultTransactions--
public abstract boolean enableDefaultTransactions
Configures whether to enable default transactions for Spring Data JPA repositories. Defaults to true. If disabled, repositories must be used behind a facade that's configuring transactions (e.g. using Spring's annotation driven transaction facilities) or repository methods have to be used to demarcate transactions.
- Returns:
- whether to enable default transactions, defaults to true.
- Default:
- true
- 原来是在spring配置文件中关闭了jpa默认的事务管理机制
-
<jpa:repositories base-package="com.xx.order" enable-default-transactions="false" />
需要手动开启，所以，用spring的annotation在方法或类里面开启------------------(用@Transactional)
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