Exceptions while using struts-taglib

Hello respecters,
I'm using the struts-1.3.10 and apache-tomcat-6.0.26 and java 1.6

I got error when i have used struts tag-lib in my program so please help me how to resolve this problem.

Here i'm posting my code

this is simple jsp page contain registration process when i try to access from web browser i got exception here i'm giving full details

Exceptions occurred in Browser

org.apache.jasper.JasperException: An exception occurred processing JSP page /register.jsp at line 5

2: <%@taglib uri="http://struts.apache.org/tags-html" prefix="html"%>
3: <html><body>
4: <html:errors/><br/>
5: <html:form action="register"><pre><b>
6: UserName		: <html:text property="uname"/>
7: Password		: <html:password property="pass"/>
8: Address			:<html:text property="address"/>

Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

root cause

java.lang.NullPointerException: Module 'null' not found.
	org.apache.struts.taglib.TagUtils.getModuleConfig(TagUtils.java:755)
	org.apache.struts.taglib.TagUtils.getModuleConfig(TagUtils.java:735)
	org.apache.struts.taglib.html.FormTag.lookup(FormTag.java:818)
	org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:488)
	org.apache.jsp.register_jsp._jspx_meth_html_005fform_005f0(register_jsp.java:117)
	org.apache.jsp.register_jsp._jspService(register_jsp.java:75)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

thanks and regards

Try the tips on this page - Module Null

Are you accessing the JSP page directly?

David Newton wrote:Are you accessing the JSP page directly?

I have given in web.xml file with tag <welcome-file-list>. and also tried with help of without giving the tag. igot same exception in both the cases.

That doesn't answer my question--are you accessing the JSP page directly, in other words, without going through an action? That won't work.