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  #1 (permalink)  
Old August 27th, 2003, 01:36 AM
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Default CH 9: A simple tag w/ attributes

Hi, can anyone help me w/ this:

1. Created the following custom tag:

<%@ attribute name="normalPrice" fragment="true" %>
 <%@ variable fragment="normalPrice" name-given="name" %>
 <%@ variable fragment="normalPrice" name-given="price" %>

<%@ attribute name="onSale" fragment="true" %>
 <%@ variable fragment="onSale" name-given="name" %>
 <%@ variable fragment="onSale" name-given="origPrice" %>
 <%@ variable fragment="onSale" name-given="salePrice" %>

<table border="1">
   <jsp:invoke fragment="normalPrice">
    <jsp:param name="name" value="Hand-held Color PDA" />
    <jsp:param name="price" value="$298.86" />
   <jsp:invoke fragment="onSale">
    <jsp:param name="name" value="4-Pack 150 Watt Light Bulbs" />
    <jsp:param name="origPrice" value="$2.98" />
    <jsp:param name="salePrice" value="$2.32" />
   <jsp:invoke fragment="normalPrice">
    <jsp:param name="name" value="Digital Cellular Phone" />
    <jsp:param name="price" value="$68.74"/>
   <jsp:invoke fragment="normalPrice">
    <jsp:param name="name" value="baby Grand Piano" />
    <jsp:param name="price" value="$10,800.00" />
   <jsp:invoke fragment="onSale">
    <jsp:param name="name" value="Luxury Car w/ Leather Seats" />
    <jsp:param name="origPrice" value="$23,980.00" />
    <jsp:param name="salePrice" value="$21,070.00" />

2. Created the following JSP:

<%@ taglib prefix="tags" tagdir="/WEB-INF/tags" %>
<title>Shopping: A Simple Tag Example</title>

<h1>ABC Store: New Year Sale</h1>

<h2>$$ Weekend Prices...Hurry$$</h2>

 <jsp:attribute name="normalPrice">
 <jsp:attribute name="onSale">
  Item: ${name}<br>
  <strike>Was: ${origPrice}</strike><br>
   <b>Now: ${salePrice}</b>


3. Got the following error when trying to view the page:

org.apache.jasper.JasperException: Unable to compile class for JSP
    org.apache.jasper.JspCompilationContext.compile(Js pCompilationContext.java:609)
    org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:300)
    org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:294)
    org.apache.jasper.servlet.JspServlet.service(JspSe rvlet.java:241)
    javax.servlet.http.HttpServlet.service(HttpServlet .java:856)

root cause

java.lang.RuntimeException: org.apache.jasper.JasperException: /WEB-INF/tags/catalog.tag(1,1) Variable directive has invalid attribute: fragment
    org.apache.jasper.compiler.ImplicitTagLibraryInfo. getTagFile(ImplicitTagLibraryInfo.java:173)
    org.apache.jasper.compiler.Parser.parseCustomTag(P arser.java:1340)
    org.apache.jasper.compiler.Parser.parseElements(Pa rser.java:1590)
    org.apache.jasper.compiler.Parser.parse(Parser.jav a:172)
    org.apache.jasper.compiler.ParserController.parse( ParserController.java:254)
    org.apache.jasper.compiler.ParserController.parse( ParserController.java:154)
    org.apache.jasper.compiler.ParserController.parse( ParserController.java:140)
    org.apache.jasper.compiler.Compiler.generateJava(C ompiler.java:250)
    org.apache.jasper.compiler.Compiler.compile(Compil er.java:458)
    org.apache.jasper.compiler.Compiler.compile(Compil er.java:444)
    org.apache.jasper.JspCompilationContext.compile(Js pCompilationContext.java:603)
    org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:300)
    org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:294)
    org.apache.jasper.servlet.JspServlet.service(JspSe rvlet.java:241)
    javax.servlet.http.HttpServlet.service(HttpServlet .java:856)

Any suggestions?

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  #2 (permalink)  
Old September 28th, 2003, 11:20 PM
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Still a problem with several users, *bump* up to recent postings. Current platform is Tomcat 5.0.9 and JSTL 1.0

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