Failed to Connect to StoneDB
Too many connections
If the following error is returned when you connect to StoneDB, the maximum number of connections specified by parameter max_connections has been reached. You must log in as user admin, release idle connections, and determine whether to set max_connections to a larger value based on your service requirements.
ERROR 1040 (HY000): Too many connections
Metadata lock waits
If your request for connecting to StoneDB is suspended, a metadata lock wait may occur. You need to log in as user admin and check whether the command output contains a large number of "Waiting for table metadata lock" messages. If yes, locate and terminate the thread that cause the congestion.
Incorrect username or password, or insufficient permissions
If the following error is returned when you try to connect to StoneDB, the username or password is incorrect, or you are not granted with the permissions to access StoneDB.
ERROR 1045 (28000): Access denied for user 'sjj'@'localhost' (using password: YES)