||This is a database check that verifies that user is not running old version of JIRA on the data in the database
created by more recent version of JIRA.
OfBizDelegator that rejects all operations on the basis that the database is locked.
||This is a database check that verifies that the data is not too old to be upgraded by this version of JIRA.
||A checker that will print a log message if the database is Postgres and the schema name contains upper case.
||A DatabaseCheck that looks in the entityengine.xml for an anticipated
misconfiguration, the combination of setting schema-name to PUBLIC
(upper case) on a database other than HSQL.
||Represents the stateful answer to the query of whether a given table contains a given column.