This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
Surely that wasn't the best link you could come up with? I used the Google keywords "crystal reports parameters jsp" and it didn't take me long to find a link to a wiki -- from SAP no less -- which appears to have an entry which exactly answers your question. We even have an FAQ page called SearchFirst -- you should check that out. Oh yes, the link? Crystal Reports Java SDK Samples.
I’ve looked at a lot of different solutions, and in my humble opinion Aspose is the way to go. Here’s the link: http://aspose.com