Calling a Report from Jsp

dear all....
I am trying to call a report, from a JSP page, that's th steps i did:
1- I created the report with Oracle Reports
2- I saved it as .jsp 'Wos.jsp'
3- I integrated it in a new project, under Jdevelopper, i added the library, reports_tld.jar, to the classpath,
4- I made a new page, with a link to the Wos.jsp
The problem looks to be simple, when i Run that Wos.jsp, i have these messages .....
Error(1): java.lang.ClassNotFoundException: oracle.reports.jsp.ReportTagExtraInfo
Error(2): Impossible de charger la classe taghandler : reports_tld.jar
does any one have any idea?
regards!

either you don't have the jar/classes in the right place or the classpath isn't set correctly

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