type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: Exception in JSP: /index.jsp:5

2: <%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
3: <%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic" %>
4:
5: <html:form action="contactos">
6:   <html:text property="nombre" value="" maxlength="12"></html:text><br />
7:   <html:submit value="Enviar" property="enviar"></html:submit><br/>
8:   <html:errors property="name"/><br />


Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:451)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:373)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)

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:796)
	org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:467)
	org.apache.jsp.index_jsp._jspService(index_jsp.java:77)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)

note The full stack trace of the root cause is available in the Apache Tomcat/5.5.27 logs.