Need help :Grafana not start after update database (mysql) setting in .ini file

Grafana
1

grafana not start after update database (mysql) setting in .ini file.

Note :

  • when i put back database setting by default - its working again

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error logs:
t=2020-09-01T02:17:06+0800 lvl=info msg=“Path Home” logger=settings path=/usr/share/grafana

t=2020-09-01T02:17:06+0800 lvl=info msg=“Path Data” logger=settings path=/var/lib/grafana

t=2020-09-01T02:17:06+0800 lvl=info msg=“Path Logs” logger=settings path=/var/log/grafana

t=2020-09-01T02:17:06+0800 lvl=info msg=“Path Plugins” logger=settings path=/var/lib/grafana/plugins

t=2020-09-01T02:17:06+0800 lvl=info msg=“Path Provisioning” logger=settings path=/etc/grafana/provisioning

t=2020-09-01T02:17:06+0800 lvl=info msg=“App mode production” logger=settings

t=2020-09-01T02:17:06+0800 lvl=info msg=“Writing PID file” logger=server path=/var/run/grafana/grafana-server.pid pid=4253

t=2020-09-01T02:17:06+0800 lvl=info msg=“Connecting to DB” logger=sqlstore dbtype=mysql

t=2020-09-01T02:17:06+0800 lvl=info msg=“Starting DB migration” logger=migrator

t=2020-09-01T02:17:06+0800 lvl=eror msg=“Server shutdown” logger=server reason="Service init failed: Migration failed err: Error 1045: Access denied f$

t=2020-09-01T02:17:06+0800 lvl=info msg=“Starting Grafana” logger=server version=7.1.5 commit=9893b8c53d branch=HEAD compiled=2020-08-25T16:27:17+0800

t=2020-09-01T02:17:06+0800 lvl=info msg=“Config loaded from” logger=settings file=/usr/share/grafana/conf/defaults.ini

t=2020-09-01T02:17:06+0800 lvl=info msg=“Config loaded from” logger=settings file=/etc/grafana/grafana.ini

t=2020-09-01T02:17:06+0800 lvl=info msg=“Config overridden from command line” logger=settings arg=“default.paths.data=/var/lib/grafana”

t=2020-09-01T02:17:06+0800 lvl=info msg=“Config overridden from command line” logger=settings arg=“default.paths.logs=/var/log/grafana”

t=2020-09-01T02:17:06+0800 lvl=info msg=“Config overridden from command line” logger=settings arg=“default.paths.plugins=/var/lib/grafana/plugins”

t=2020-09-01T02:17:06+0800 lvl=info msg=“Config overridden from command line” logger=settings arg="default.paths.provisioning=/etc/grafana/provisionin$