Communications link failure due to underlying exception
就这么一个问题,报的数据库的连接问题,可是花了我好几个小时才找出来了,上网查了好久,中英文也都查了,怎么也没有找出原因,哎,发现都是自己的疏忽,根本就不应该有这样的问题发生的, 想是很多人也容易犯这样的错误. 把数据库的端口写成是8080了,改成3306就行了,哎怎么能这样. com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception: BEGIN NESTED EXCEPTION java.io.EOFException STACKTRACE: java.io.EOFException at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1905) at com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:483) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:965) at com.mysql.jdbc.C….