Checked which reference?
On Tue, May 28, 2013 at 12:56 PM, john lee <sh_thorn_b...@yahoo.com> wrote: > > > <%@ taglib prefix="s" uri="/struts-tags"%> > > <table> > <tr><td colspan="2"> > <s:if test='%{#session.PERSON != null}'> > <s:button value="LogOff" action="LogoffAction"> > </s:button> > </s:if> > <s:else if test='%{#session.PERSON ==null}'> > <s:button value="Login" action="LoginAction"> > </s:button> > </s:else if> > </td></tr> > </table> > > but when test, in the logfile, giving the error > > SEVERE: Servlet.service() for servlet jsp threw exception > org.apache.jasper.JasperException: /PageMenu.jsp (line: 7, column: 5) No > tag "button" defined in tag library imported with prefix "s" > at > org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:42) > at > org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:408) > at > org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:199) > at > org.apache.jasper.compiler.Parser.parseCustomTag(Parser.java:1215) > > i check the reference, s:button is valid, if so, why not receive the error > at above > > please advise > > john -- e: davelnew...@gmail.com m: 908-380-8699 s: davelnewton_skype t: @dave_newton <https://twitter.com/dave_newton> b: Bucky Bits <http://buckybits.blogspot.com/> g: davelnewton <https://github.com/davelnewton> so: Dave Newton <http://stackoverflow.com/users/438992/dave-newton>