注意:因为Spring Boot 2.1.x默认使用了MySQL 8.0的驱动,所以这里采用com.mysql.cj.jdbc.Driver,而不是老的com.mysql.jdbc.Driver 四、测试连接 通过上面的配置我们就可以直接使用了,因为SpringBoot已经默认帮我们进行了自动配置;去测试类测试一下: import javax.sql.DataSource; import java.sql.Connection; import ...
3.springboot2集成hikariCp springboot 只要你集成了`spring-boot-starter-jdbc`就已经引入了hikariCp。 `spring-data-jpa` 和`mybatis-spring-boot-starter` 都集成了`spring-boot-starter-jdbc` 。 上面是hikariCp达成自动配置的条件。我们解读一下: 如果类路径存在HikariDataSource。事实上就是引入hikariCp的依赖。
While I was performing a load test on the Restful service developed through Springboot and deployed as a microservice in Kubernetes cluster, I encountered an issue with DB connection pool size. On reading about the connection pooling, I have added Hikari configuration settings in "application.prope...
Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: CLIENT_PLUGIN_AUTH is required 意思是获取JDBC连接失败,导致的原因是这个: CLIENT_PLUGIN_AUTH is required,翻译一下意为:客户端插件验证是必需的 所以大概我们能看出来是和我们电脑上的mysql有关 想一下springBo...
首先我们在springboot配置文件application.properties中,加入多数据源配置; 注意这次我们多加了一个 provideName的属性,来区分不同的数据源; dbfound.datasource.db0.provideName=database01dbfound.datasource.db0.url=jdbc:mysql://192.168.1.111:3306/dbfounddbfound.datasource.db0.username=dbfound.datasource.db0...
今天实现Spring Boot 和 Mybatis 整合 首先在 pom.xml 里面添加一个 mybatis 自动生成entity mapper的 <plugin> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-maven-plugin</artifactId> <version>1.3.2</version> <configuration> ...
();}}publicvoidcommitMultiDbTran()throws SQLException{// 如果开启多数据源,则走 这里的 commitconnection.commit();}@Overridepublicvoidclose()throws SQLException{// mybatis 执行完业务后,会触发 close() 操作,如果 connection 被提前 close 了,业务就会出错if(!TransactionContext.isOpenTran()){connection....
return new JSONArray(); } }二、springboot通过ssh连接数据库 如果是高频次的连接需要通过ss...
I have a spring boot application that has following dependencies. The problem what I am facing is once the the application was deployed, after few hours it started draining the connections though it started with connections 10 and later it stared throwing "Failed to obtain DB connection from dat...
return new JSONArray(); } }二、springboot通过ssh连接数据库 如果是高频次的连接需要通过ss...