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## Question
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```
org.springframework.dao.DataAccessResourceFailureException:
### Error querying database. Cause: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
### …
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**About Version**
seata-server version:1.7.1
seata-spring-boot-starter:1.5.2
mysql version:8.0.35
**Please refer to the following content for abnormal information:**
…
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This happens when I click on heartbeat first time:
![image](https://user-images.githubusercontent.com/2544251/73824444-1351b100-47f2-11ea-9e87-64b611ebf05e.png)
Any subsequent click on heartbeat…
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目前Mybatis-Plus携带的版本为mybatis-spring的版本为2.x,如果需要升级SpringBoot3的话,需要自行将mybatis-spring版本升级至3.x
Native支持:
1.需要升级mybatis版本至3.5.13
2.mybatis-spring升级至3.0.2+ 最好
插件动态代理反射异常: 3.5.3.2修复 #5532
示例工程: …
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Hi all
I had a working application based on springboot 3.1.x (actually both 3.1.5 and 3.1.6 work pretty good)
I upgraded to springboot 3.2.0.
I had and I still have this controller method:
``…
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只有updateByExampleSelective,没有selectByExampleSelective,selectByExampleSelective还是比较常用的吧
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最近将TDengine2.0.3.1升级为2.2.2.10,发现遇到了初始化连接失败,使用的驱动版本是2.0.36,已经尝试解决很长时间,但仍然没有解决,报错如下:
`[ERROR] [2022-07-14 10:35:31.224] [pool-2-thread-1] com.alibaba.druid.pool.DruidDataSource - {dataSource-2} ini…
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Caused by: java.sql.SQLFeatureNotSupportedException: Can not get index from column label `split_part`.
at org.apache.shardingsphere.driver.jdbc.core.resultset.ShardingSphereResultSet.lambda$getIndex…
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## Bug Report
### Which version of ShardingSphere did you use?
5.1.1
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
ShardingSphere-JDBC
### Expected behavior
q…