Manually change the spectrum_domain_ds Data source settings.
1. In the Home page of JasperReports, Data Sources, click on View list
2. Right-click the spectrum_domain_ds item and choose Edit.
3. Supply the Host, Port, and Database information.
Host: SRM hostname
4. In case test connection fails, follow the TEC1556623 - MySQL Connector/ODBC Test fails while configuring the Ad Hoc Report ODBC driver
5. Save the changes.