錯誤信息

詳細信息

Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary. ERROR [Druid-ConnectionPool-Create-316580794] - create connection error, url:jdbc:mysql://localhost:3306/ssmtest?characterEncoding=UTF-8&useSSL=false, errorCode 0, state null java.sql.SQLException: validateConnection falseat com.alibaba.druid.pool.DruidAbstractDataSource.validateConnection(DruidAbstractDataSource.java:1249)at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1474)at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1995)

解決

本地Mysql是版本8.0

Maven項目的mysql驅動版本是8.0.11

Druid版本是1.0.20

將Druid的版本修改為1.1.10

?<!-- MySQL相關包 --><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>8.0.11</version></dependency><!-- 數據庫連接池 --><dependency><groupId>com.alibaba</groupId><artifactId>druid</artifactId><version>1.1.10</version></dependency>

?

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