Page History

...

Tip : If you encounter an error where MySQL can't connect such as "org.mariadb.jdbc.internal.util.dao.QueryException: Could not connect to address=(host=localhost)(port=3306)(type=master) : Connection refused (Connection refused)", then ensure that bind-address = 0127.0.0.0 1 in your /etc/mysql/mysql.conf.d/mysqld.cnf . 

Also, make sure Cassandra and MySQL services are started using `service mysql start` and `service cassandra start`.

...

Feedback Note :  If the first run in i.) failed for any reason, delete any residual database databases or keyspaces 'seshat' and/or 'playground' in MySQL and Cassandra, and start over i.) until it succeeds.

After i.) runs to completion, You could verify that databases `playground` and `seshat` have indeed been created by logging into mysql's `root` user account and running `show databases;`. Also, log into Cassandra's cassandra user account and type `describe keyspaces;` to ensure that `seshat` and `playground` 

If you have used i.) to run demo-server before, then use ii.) HENCEFORTH which uses the local databases created in i.).

...