cakephp: Warning (2): mysql_connect()

Using cakephp: I create a website & after upload my site to main server when I browse index page of my website it shows me cakephp: Warning (2): mysql_connect() [function.mysql-connect]: Lost connection to MySQL server at 'readin开发者_StackOverflow社区g initial communication packet', system error: 111 [CORE/cake/libs/model/datasources/dbo/dbo_mysql

can anyone help me?

---

Did you change the connection settings within /app/config/database.php?