2019-01-19 18:53:34

严重:18:53:34 Druid-ConnectionPool-Create-1575635644 ERROR [com.fr.third.alibaba.druid.pool.DruidDataSource] create connection error, url: jdbc:mysql://localhost:3306/test?characterEncoding=utf8&useSSL=true, errorCode 0, state 08S01

2019-01-19 18:53:44

警告:18:53:44 pool-28-thread-1 WARN [root] 错误代码:31300012 创建数据连接失败: Communications link failure

Last packet sent to the server was 4 ms ago.

2019-01-19 18:53:44

严重:18:53:44 SwingWorker-pool-12-thread-3 ERROR [root] com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

Last packet sent to the server was 4 ms ago.