Advantages
Report processing is maintained within the Java application server. You don't have to rely on external report servers.
Provides a 100% Java reporting solution.
Supports the ability to dynamically push runtime data to a report.
Supports the ability to programmatically change the database location for a report.
Supports the ability to export Crystal Reports report (.rpt) files to RTF and PDF formats.
Business Objects
http://www.businessobjects.com/
Support services
http://www.businessobjects.com/services/support/