An error has been reported that the config page within the administration can not be called.
On Checkig the logs errors similar to the one below showed up:
Caused by: com.atlassian.activeobjects.internal.ActiveObjectsSqlException: There was a SQL exception thrown by the Active Objects library:
- minor version:7
- major version:5
- name:MySQL Connector Java
- version:mysql-connector-java-5.1.40 ( Revision: 402933ef52cad9aa82624e80acbea46e3a701ce6 )
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: REFERENCES command denied to user '<USERNAME>'@'<JIRA_SERVER_HOSTNAME>' for table 'AO_1E216A_MPZ_ST_BASE '
In all reported cased the customer was using MySQL 5.7.6 or upwards.
When reading this article provided by atlassian: https://confluence.atlassian.com/adminjiraserver073/connecting-jira-applications-to-mysql-861253043.html there is a description on granting additional privileges like this:
GRANT SELECT,INSERT,UPDATE,DELETE,CREATE,DROP,REFERENCES,ALTER,INDEX on <JiraDatabase>.* TO '<SQLUser>'@'<ServerHostname>' IDENTIFIED BY '<Password>';
So the solution to the problem is to execute this query for your database. Remember to replace the < > placeholders.