How to Use tag in JDeveloper 9i for a JSP Page

Hi ,
I am working on JDeveloper 9i. I have a problem that i use JSP page and two tag[b] fmt and core. The uri passed to taglib is http://java.sun.com/jsp/jstl/core and http://java.sun.com/jsp/jstl/fmt. i also have two jar file standard.jar and jstl.jar. when i compile the jsp page, the errors reflect " TAG is not registered". Can any one tell me that how can i use the tags in a jsp page in jdeveloper 9i.
Thanks

Hi ,
I am working on JDeveloper 9i. I have a problem that i use JSP page and two tag[b] fmt and core. The uri passed to taglib is http://java.sun.com/jsp/jstl/core and http://java.sun.com/jsp/jstl/fmt. i also have two jar file standard.jar and jstl.jar. when i compile the jsp page, the errors reflect " TAG is not registered". Can any one tell me that how can i use the tags in a jsp page in jdeveloper 9i.
Thanks

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