using deferredValue in a simple tag file

Rusty Wright Mon, 31 Dec 2007 13:09:35 -0800

Tomcat is version 6.0.14, java is jdk1.6.0_03, eclipse is 3.3.1.1.Tomcat is running under/in eclipse.

In a nutshell, I'm trying to use deferredValue with an attribute in asimple jsp tag file, the kind of tag file that contains jsp, no javacode. When I added deferred value to my attribute tag I get the anerror from tomcat, "JasperException: Invalid JSP version defined for tagfile". I can't figure out how to specify a jsp version for my tag file.

I tried adding and using a tld instead of a tag dir but I can't get thatto work. Here are the relevant files.

I either need to know how to specify the jsp version, or how toconstruct and set up the tld file.


Thanks for your help.


====================
Top of web.xml file:
====================

<?xml version="1.0" encoding="UTF-8"?>

<web-app
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
   xmlns="http://java.sun.com/xml/ns/javaee";
   xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd";
   xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
       http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd";
   id="spring_app" version="2.5">
   <display-name>spring_app</display-name>

   <context-param>
       <param-name>webAppRootKey</param-name>
       <param-value>spring_app</param-value>
   </context-param>

====================
Top of jsp, get1.jsp, using a tag dir:
====================

<?xml version="1.0" encoding="ISO-8859-1" ?>

<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page"; version="2.1">
   <jsp:directive.page language="java"

contentType="text/html; charset=ISO-8859-1"pageEncoding="ISO-8859-1" />

   <jsp:text>
       <![CDATA[ <?xml version="1.0" encoding="ISO-8859-1" ?> ]]>
   </jsp:text>
   <jsp:text>

<![CDATA[ <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";> ]]>

   </jsp:text>

<html
   xmlns="http://www.w3.org/1999/xhtml";
   xmlns:c="http://java.sun.com/jsp/jstl/core";
   xmlns:fn="http://java.sun.com/jsp/jstl/functions";
   xmlns:tag="urn:jsptagdir:/WEB-INF/tags/">

<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
<title>get1</title>
</head>

<body>

<tag:example3 pageStringVar="${string1}" />


====================
The tag file, example3.tag, using deferredValue:
====================

<%@ tag
   body-content="scriptless"
%>

<%@ taglib
   prefix="c"
   uri="http://java.sun.com/jsp/jstl/core";
%>

<%@ attribute
   name="pageStringVar"
   required="true"
   rtexprvalue="true"
   deferredValue="true"
%>

<div>pageStringVar (in tag file): <c:out value="${pageStringVar}" /></div>


====================
The tld file, example3.tld:
====================

<?xml version="1.0" encoding="UTF-8"?>

<taglib version="2.1"
   xmlns="http://java.sun.com/xml/ns/javaee";
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";

xsi:schemaLocation="http://java.sun.com/xml/ns/javaeeweb-jsptaglibrary_2_1.xsd">

   <tlib-version>1.0</tlib-version>

   <jspversion>2.1</jspversion>

   <short-name>example3</short-name>

   <tag-file>
       <name>example3</name>
       <path>/WEB-INF/tags/example3.tag</path>
   </tag-file>
</taglib>


====================
Tomcat stack trace from using a tag dir:
====================

org.apache.jasper.JasperException: org.apache.jasper.JasperException:Invalid JSP version defined for tag file at /WEB-INF/tags/example3.tagorg.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:51)org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:409)org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:265)org.apache.jasper.compiler.JspDocumentParser.parse(JspDocumentParser.java:219)org.apache.jasper.compiler.ParserController.doParse(ParserController.java:200)org.apache.jasper.compiler.ParserController.parse(ParserController.java:103)

   org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:167)
   org.apache.jasper.compiler.Compiler.compile(Compiler.java:306)
   org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)
   org.apache.jasper.compiler.Compiler.compile(Compiler.java:273)

org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566)org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)

   org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
   org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
   javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:167)org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:239)org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1158)org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:900)org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:808)org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:476)org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:431)

   javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
   javax.servlet.http.HttpServlet.service(HttpServlet.java:803)


root cause

java.lang.RuntimeException: org.apache.jasper.JasperException: InvalidJSP version defined for tag file at /WEB-INF/tags/example3.tagorg.apache.jasper.compiler.ImplicitTagLibraryInfo.getTagFile(ImplicitTagLibraryInfo.java:199)org.apache.jasper.compiler.JspDocumentParser.parseCustomAction(JspDocumentParser.java:1158)org.apache.jasper.compiler.JspDocumentParser.startElement(JspDocumentParser.java:402)com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(UnknownSource)com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(UnknownSource)com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(UnknownSource)com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(UnknownSource)com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(UnknownSource)com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(UnknownSource)com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(UnknownSource)com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(UnknownSource)com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(UnknownSource)com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(UnknownSource)com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(UnknownSource)com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(UnknownSource)

   javax.xml.parsers.SAXParser.parse(Unknown Source)

org.apache.jasper.compiler.JspDocumentParser.parse(JspDocumentParser.java:179)org.apache.jasper.compiler.ParserController.doParse(ParserController.java:200)org.apache.jasper.compiler.ParserController.parse(ParserController.java:103)

   org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:167)
   org.apache.jasper.compiler.Compiler.compile(Compiler.java:306)
   org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)
   org.apache.jasper.compiler.Compiler.compile(Compiler.java:273)

org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566)org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)

   org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
   org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
   javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

   javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
   javax.servlet.http.HttpServlet.service(HttpServlet.java:803)


====================
Top of jsp, get1.jsp, file using a tld:
====================

<?xml version="1.0" encoding="ISO-8859-1" ?>

<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page"; version="2.1">
   <jsp:directive.page language="java"

contentType="text/html; charset=ISO-8859-1"pageEncoding="ISO-8859-1" />

   <jsp:text>
       <![CDATA[ <?xml version="1.0" encoding="ISO-8859-1" ?> ]]>
   </jsp:text>
   <jsp:text>

<![CDATA[ <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";> ]]>

   </jsp:text>

<html
   xmlns="http://www.w3.org/1999/xhtml";
   xmlns:c="http://java.sun.com/jsp/jstl/core";
   xmlns:fn="http://java.sun.com/jsp/jstl/functions";
   xmlns:tag="urn:jsptld:/WEB-INF/tlds">

<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
<title>get1</title>
</head>

<body>

<tag:example3 pageStringVar="${string1}" />


====================
Tomcat stack trace with tld:
====================

org.apache.jasper.JasperException: /WEB-INF/views/get1.jsp(17,42) Couldnot add one or more tag libraries.org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:88)org.apache.jasper.compiler.JspDocumentParser.parse(JspDocumentParser.java:214)org.apache.jasper.compiler.ParserController.doParse(ParserController.java:200)org.apache.jasper.compiler.ParserController.parse(ParserController.java:103)

   org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:167)
   org.apache.jasper.compiler.Compiler.compile(Compiler.java:306)
   org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)
   org.apache.jasper.compiler.Compiler.compile(Compiler.java:273)

org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566)org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)

   org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
   org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
   javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

   javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
   javax.servlet.http.HttpServlet.service(HttpServlet.java:803)


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using deferredValue in a simple tag file

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