ispconfig 3 update problem

[qiubosu]

I run ispconfig_update.sh to update from ispconfig 3.0.3.1 to the stable version, but got the below errors. why?

>> Update

Operating System: Debian 6.0 (Squeeze/Sid) or compatible

This application will update ISPConfig 3 on your server.
mysqldump: Got error: 1045: Access denied for user 'root'@'localhost' (using password: YES) when trying to connect
PHP Warning: mysql_connect(): Access denied for user 'root'@'localhost' (using password: YES) in /tmp/ispconfig3_install/install/lib/mysql.lib.php on line 78
PHP Notice: Uninitialized string offset: 0 in /tmp/ispconfig3_install/install/lib/update.lib.php on line 98
PHP Fatal error: Cannot use string offset as an array in /tmp/ispconfig3_install/install/lib/update.lib.php on line 98

[Mark_NL]

Have you changed your root password after installing ispconfig 3.0.3.1 ?

check the file /usr/local/ispconfig/server/lib/mysql_clientdb.conf

Those credentials is ispconfig trying to login with.
So try to log in through CLI with that information with:

mysql -h localhost -u root -p