观察项目运行日志，发现tail-400fphoenix-mall.out|grepdiscard[2021-04-2211:33:10,010][ERROR][http-nio-9004-exec-1][com.alibaba.druid.pool.DruidAbstractDataSource]:discardlongtimenonereceivedconnection.,jdbcUrl:jdbc:mysql://192.168.0.173:3306/fenghuang?useUnicode=true&characterEncoding=ut