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On 28 Dec 2016, at 16:35, dongjh at ahope.com.cn wrote:

> 2016-12-29 00:27:13.006 1825 ERROR keystone.common.wsgi OperationalError: (pymysql.err.OperationalError) (1045, u"Access denied for user 'keystone'@'controller' (using password: YES)")

You might not have created the user correctly, OR not given it the correct
access. As in, you might have allowed “keystone at localhost”, but not
“keystone at controller”.

Look at the ‘mysql’ database:

	select Host,User from user where User='keystone’;
	select Host,Db,User from db where User='keystone’;