Myeclipse中导入jar包有什么要求？

Exception in thread "main" com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: Client does not support authentication protocol requested by server; consider upgrading MySQL client
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:921)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2985)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:885)
    at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:3421)
    at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1247)
    at com.mysql.jdbc.Connection.createNewIO(Connection.java:2775)
    at com.mysql.jdbc.Connection.<init>(Connection.java:1555)
    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:285)
    at java.sql.DriverManager.getConnection(DriverManager.java:582)
    at java.sql.DriverManager.getConnection(DriverManager.java:185)
    at com.imooc.db.DBUtil.main(DBUtil.java:20)

这个报错是什么意思？