我的随笔

on duplicate key update 的用法说明（解决批量操作数据，有就更新，没有就新增）mybatis批量操作数据更新和添加

super_胡 2020-04-11 19:31 阅读:2903 评论:0 推荐:0

SpringDataJpa多表联查用Specification动态查询实现多条件复杂查询及多表联查

super_胡 2020-04-07 18:04 阅读:8787 评论:1 推荐:0

HHH000346: Error during managed flush [org.hibernate.TransientPropertyValueException: object references an unsaved transient instance - save the transient instance before flushing

super_胡 2020-04-06 16:54 阅读:1849 评论:0 推荐:0

nested exception is org.hibernate.PersistentObjectException: detached entity passed to persist: com.xxx.xxx 异常解决方案

super_胡 2020-04-06 15:54 阅读:1881 评论:0 推荐:0

org.hibernate.engine.jdbc.spi.SqlExceptionHelper: Duplicate entry '31' for key 'PRIMARY'

super_胡 2020-04-06 15:39 阅读:1872 评论:0 推荐:0

The web application [ROOT] appears to have started a thread named [spring.cloud.inetutils] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:

super_胡 2020-04-06 14:44 阅读:4478 评论:0 推荐:0

Caused by: org.apache.ibatis.type.TypeException: The alias 'XXX' is already mapped to the value 'com.XXX.pojo.system.XXX'.

super_胡 2020-04-05 20:28 阅读:7840 评论:1 推荐:1

org.apache.catalina.core.StandardService: Stopping service [Tomcat]

super_胡 2020-03-31 14:49 阅读:1262 评论:0 推荐:0

springdatajpa创建表之后，数据库的默认存储引擎是myisam的，会导致项目的事务无法执行。

super_胡 2020-03-16 13:57 阅读:553 评论:0 推荐:0

使用maven打包 lib下的jar进不去，手动把jar包打到本地，然后在用maven命令就可以啦

super_胡 2020-03-15 04:24 阅读:819 评论:0 推荐:0