今天遇到spring+mybatis报错说数据库连接失败,试了很多方法,我将jdbc连接驱动由5.x版本改成8.x就好了 并且url要这样写 url: jdbc:mysql://127.0.0.1:3306/user?useUnicode=true&characterEncoding=utf-8&autoReconnect=true&useSSL=false&serverTimezone=UTC 后来百度了一下,发现数据库连接驱动的版本要与mysql的版...
SpringBoot报错-Could not create connection to database server. Attempted reconnect 3 times. Giving up. ——墨问苍生 无法连接数据库,一开始以为是yml的配置有问题,反复检查后发现是pom.xml文件的问题 箭头指着的版本号要改为和Mysql版本一样的
5. 把spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver 的CJ去掉 spring.datasource.driver-class-name=com.mysql.jdbc.Driver 成功解决
IDEA--Could not create connection to database server 在springboot项目运行时,出现Couldnotcreateconnectiontodatabaseserver报错; 原因:mysql版本号和maven中pom文件中配置的mysql-connector版本号不同。 解决方案:将pom文件中的版本号改成本地mysql的版本号以后再更新maven步骤: 1、在win+r中连接MySQL,输入select v...
SpringBoot项目运行后提示: 详细提示如下: ### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server.] with root cause ...
at org.springframework.boot.jdbc.EmbeddedDatabaseConnection.isEmbedded(EmbeddedDatabaseConnection.java:184) [spring-boot-2.5.0.jar!/:2.5.0] at org.springframework.boot.autoconfigure.orm.jpa.HibernateDefaultDdlAutoProvider.getDefaultDdlAuto(HibernateDefaultDdlAutoProvider.java:42) [spring-boot-autoconfigur...
My Spring-Boot-Mvc-Web application has the following database configuration in application.properties file: spring.datasource.url=jdbc:h2:tcp://localhost/~/pdk spring.datasource.username=sa spring.datasource.password= spring.datasource.driver-class-name=org.h2.Driver this is the only config I ...
I'm unable to get spring boot to automatically load my database schema when I start it up. I am using MySQL as an external DB. Please find below the code application properties spring.jpa.database-platform=org.hibernate.dialect.MySQL5InnoDBDialectspring.jpa.hibernate.ddl-auto=...
Currently there are no answers on this question on the stackoverflow. https://stackoverflow.com/questions/43015852/springboot-doesnt-create-the-database-schema?rq=1 I initialized Spring Boot app using https://start.spring.io/ Selected de...
准备搭建一个Spring Boot 组合mybatis的项目,数据库采用的是MySQL 8.0.11按照以往的配置,使用插件mybatis-generator-maven-plugin生成代码时,一直报错Could not create connection to database server.如下: [INFO] Scanning for projects... [INFO] [INFO] ---[INFO] Building songci-serv 1.0-SNAPSHOT [INFO]...