项目场景:
问题描述:
[2021-01-24 22:50:12,525][ERROR][Druid-ConnectionPool-Create-1902527840] create connection SQLException, url: jdbc:mysql://127.0.0.1:3306/smart-admin-dev?autoReconnect=true&useServerPreparedStmts=false&rewriteBatchedStatements=true&characterEncoding=UTF-8&useSSL=false&allowMultiQueries=true&serverTimezone=UTC, errorCode 0, state null (DruidDataSource.java:2755)
java.sql.SQLException: connect error, url jdbc:mysql://127.0.0.1:3306/smart-admin-dev?autoReconnect=true&useServerPreparedStmts=false&rewriteBatchedStatements=true&characterEncoding=UTF-8&useSSL=false&allowMultiQueries=true&serverTimezone=UTC, driverClass com.p6spy.engine.spy.P6SpyDriver
at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1714) ~[druid-1.1.21.jar:1.1.21]
at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2753) [druid-1.1.21.jar:1.1.21]
[2021-01-24 22:50:13,026][ERROR][Druid-ConnectionPool-Create-1902527840] create connection SQLException, url: jdbc:mysql://127.0.0.1:3306/smart-admin-dev?autoReconnect=true&useServerPreparedStmts=false&rewriteBatchedStatements=true&characterEncoding=UTF-8&useSSL=false&allowMultiQueries=true&serverTimezone=UTC, errorCode 0, state null (DruidDataSource.java:2755)
java.sql.SQLException: connect error, url jdbc:mysql://127.0.0.1:3306/smart-admin-dev?autoReconnect=true&useServerPreparedStmts=false&rewriteBatchedStatements=true&characterEncoding=UTF-8&useSSL=false&allowMultiQueries=true&serverTimezone=UTC, driverClass com.p6spy.engine.spy.P6SpyDriver
at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1714) ~[druid-1.1.21.jar:1.1.21]
原因分析:
配置数据源错误。
解决方案:
修改一下即可。
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver