Mysql服务器在windows 7中没有运行

I'm trying to work with MySQL workbench for a javaEE project. First I've installed MySQL server 5.6.20 and then MySQL workbench and finally connector j. After opening workbench I've made a connection with default setting, this is Host:127.0.0.1;Port:3306;User:root. When I tested connection this massage showed:I'm trying to work with MySQL workbench for a j