I am using struts2-jquery-plugin-3.5.1-sources.jar in struts 2 i put the jar file in lib directory and i have added it to the buildpath also. I have make an entry in jsp as
Had the same problem.
Try
<%@ taglib prefix="sj" uri="/struts-jquery-tags" %>
Instead of
<%@ taglib prefix="sj" uri="/struts2-jquery-tags" %>
you should use struts-jquery-plugin.jar
instead of struts2-jquery-plugin-3.5.1-sources.jar as it contains source file