error in taglib

[Saurabh Naik]

I am trying first program of struts from complete reference.
its giving me error..

org.apache.jasper.JasperException: The absolute uri: http://struts.apache.org/tags-html cannot be resolved in either web.xml or the jar files deployed with this application

I have included jstl.jar and standard.jar in lib folder of my project.
but still its giving me an error.

In which jar file it is defined tags-html. also they have used tags-bean and tags-logic. where are these tlds defined.

please give me solution.. Thank you

[Muhammad Saifuddin]

Already been discussed the same in another thread.

hope it helps to resolve this error.