<%@ 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