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相关mysql视频教程推荐:《mysql教程》
用jsp连接mysql数据库时出现了这样的错误,怎么解决?
com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception: ** BEGIN NESTED EXCEPTION ** java.net.UnknownHostExceptionMESSAGE: hostname STACKTRACE: java.net.UnknownHostException: hostname
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vim /etc/resolv.conf
nameserver 223.5.5.5
nameserver 223.6.6.6
nameserver 8.8.8.8