Issue description

Some  JasperReports Server users ran into an issue where the following bar with buttons are missing from web interface of the application:

Possible cause and solution

This might be caused by the JasperReports Server's default theme not being installed properly during migration/update. The issue can be resolved by exporting the default theme folder from a different instance of the same version of JasperReports Server, and importing it into the JRS instance with missing buttons. When importing the theme folder, make sure to check the 'Update' and 'Include themes' options:

No restart is required, but you might have to clear the browser cache to see the changes.