REASON: Ambari Server java process has stopped. Please check the logs for more information.

看日志发现是用户权限问题

 授下权

grant all privileges on *.* to 'ambari'@'%' IDENTIFIED BY '密码' WITH GRANT OPTION;

grant all privileges on *.* to 'ambari'@'localhost' IDENTIFIED BY '密码' WITH GRANT OPTION;

flush privileges;

再启成功