Crystal Reports for Eclipse Developer Guide
Viewer only pages
If your JSP page contains only the viewer and nothing else, several things can be done to simplify the report viewing implementation.
In this section:
Setting setOwnPage
Using the processHttpRequest method
SAP BusinessObjects
http://www.sap.com/sapbusinessobjects/
Support services
http://service.sap.com/bosap-support/
Product Documentation on the Web
http://help.sap.com/