Spring Data JPA
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解决 com.mysql.cj.jdbc.exceptions.PacketTooBigException: Packet for query is too large
前景概要 测试插入批量数据发送的sql语句太大。 //INSERT INTO `stress_test_table`(`id`, `name`, `age`, `sex`, `email`) VALUES //(NULL, 'name', age, sex, 'email'), .... ....... //(NULL...原创 2020-04-23 11:02:19 · 4387 阅读 · 0 评论 -
jpa 解决org.springframework.dao.InvalidDataAccessApiUsageException: Executing an update/delete query;
错误堆栈信息 spring data jpa 在service层调用 update/delete 方法都需要加上@Transactional org.springframework.dao.InvalidDataAccessApiUsageException: Executing an update/delete query; nested exception is javax.persisten...原创 2020-04-20 22:36:30 · 3263 阅读 · 0 评论 -
jpa 解决org.hibernate.hql.internal.QueryExecutionRequestException: Not supported for DML operations
异常堆栈信息 通过springdata jpa jpql编写 DAO接口update语句 要添加@Modifying注解 org.springframework.dao.InvalidDataAccessApiUsageException: org.hibernate.hql.internal.QueryExecutionRequestException: Not supported for DM...原创 2020-04-20 22:20:04 · 1210 阅读 · 0 评论 -
jpa 解决org.hibernate.LazyInitializationException: could not initialize proxy - no Session
错误堆栈信息 使用spring data jpa提供的getOne方法查询报错 org.hibernate.LazyInitializationException: could not initialize proxy - no Session at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyIniti...原创 2020-04-20 21:33:07 · 463 阅读 · 0 评论