java.lang.NullPointerException when i use mxml tag

[ksrashmi]

HI I am getting following exception when i use mxml tags in jsp
<%@ taglib uri="FlexTagLib " prefix="mm" %>

can any one tell why i am getting this exception

type Exception report

message

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

exception

org.apache.jasp er.JasperExcept ion: Exception in JSP: /test1.jsp:4

1: <%@ taglib uri="/tags/struts-bean" prefix="bean" %>
2: <%@ taglib uri="FlexTagLib " prefix="mm" %>
3:
4: <!--<mm:mxml >
5: <mx:Applicati on xmlns:mx="http://www.adobe.com/2006/mxml" xmlns="*">
6: <mx:Text label="Hello World">
7:


Stacktrace:
org.apache.jasp er.servlet.JspS ervletWrapper.h andleJspExcepti on(JspServletWr apper.java:506)
org.apache.jasp er.servlet.JspS ervletWrapper.s ervice(JspServl etWrapper.java: 395)
org.apache.jasp er.servlet.JspS ervlet.serviceJ spFile(JspServl et.java:314)
org.apache.jasp er.servlet.JspS ervlet.service( JspServlet.java :264)
javax.servlet.h ttp.HttpServlet .service(HttpSe rvlet.java:802)

root cause

java.lang.NullP ointerException
flex.webtier.se rver.j2ee.jsp.M xmlTagImpl.doSt artTag(MxmlTagI mpl.java:112)
flex.bootstrap. BootstrapTag.do StartTag(Bootst rapTag.java:77)
org.apache.jsp. test1_jsp._jspx _meth_mm_mxml_0 (test1_jsp.java :93)

[Dököll]

Was the code working before?