background:
System Environment: cdh5.15.1
redhat7.3
At some point, kylin cluster suddenly unable to login, error account name, password error, but password not been modified happened ah?
After rebooting back to normal
By chance, cdh cluster occurred parameter modification, re-deploy the client, just when you need it landed kylin, find and declare the password is wrong.
Unable to login, please check your username/password.
After the original cdh a configuration change occurs, like a hive, hbase and other client configuration has changed, kylin cluster must be restarted.