When opening the URL for the Jaspersoft login page, the below error is presented:
HTTP Status 404 - /jasperserver-pro/login.html
type Status Report
The requested resource is not available
Checking the jasperserver.log files, there are several messages as below (in this case Oracle database is referred to, but it might happen for other RDBMS).
ERROR JDBCExceptionReporter,localhost-startStop-2:101 - Cannot create PoolableConnectionFactory ([TibcoSoftwareInc][Oracle JDBC Driver][Oracle]ORA-28000: the account is locked
The Jaspersoft account to connect to the database has been locked.
Reset the password in both the RDBMS used (PostgreSQL, MySQL, MS-SQL, Oracle) and in Jasper Server application.
Below process documents an example of Oracle database and Jaspersoft database user named as "admjasper".
username="admjasper" password="<type password in plain-text here>"