How to use JavaBeans as Datasource for Crystal Report 10?

I have tried to use Crystal Report 10 with Java Beans as Data Source.
I read
http://support.businessobjects.com/communityCS/TechnicalPapers/cr10_java_bean_datasource.pdf
and followed all steps to use JavaBeans as a DataSource.
I have setup all registry entry requiered for it but still getting blank dialog box for Java Beans Connectivity classes?
If anyone have tried to use, then give suggestions.

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