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Date: Fri, 24 Mar 2006 20:00:07 +0100
From: Willy Picard <picard@kti.ae.poznan.pl>
To: taglibs-user@jakarta.apache.org
Subject: <jsp:directive.include> and the fn tag library
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Hi.

I have the following problem with the <jsp:directive.include> and the fn taglib:
in a first file I have the following code:

------------------------------------------------------------------------------
<?xml version="1.0" encoding="UTF-8" ?>
<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" version="2.0"
          xmlns:c="http://java.sun.com/jsp/jstl/core"
          xmlns:fn="http://java.sun.com/jsp/jstl/functions">
[...]
    <jsp:directive.include file="jspf/aFragment.jspf" />
</jsp:root>
------------------------------------------------------------------------------

In the jspf/aFragment.jspf file, I have the following code:
------------------------------------------------------------------------------
[...]
${fn:length(requestScope)}
[...]
------------------------------------------------------------------------------

My web.xml may be summarized as follow:
------------------------------------------------------------------------------
------------------------------------------------------------------------------
<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4"
   xmlns="http://java.sun.com/xml/ns/j2ee" 
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
[...]
	<jsp-config>
		<taglib>
	 	   <taglib-uri>http://java.sun.com/jsp/jstl/core</taglib-uri>
		    <taglib-location>/WEB-INF/tld/c.tld</taglib-location>
		</taglib>
		<taglib>
	 	   <taglib-uri>http://java.sun.com/jsp/jstl/functions</taglib-uri>
		    <taglib-location>/WEB-INF/tld/fn.tld</taglib-location>
		</taglib>
	</jsp-config>

</web-app>
I am using tomcat 5.5 and the JSTL 1.1 from the Taglibs project. The following
error occurs when I call the first JSP document:

org.apache.jasper.JasperException: /WEB-INF/jspf/groupManagement.jspf(7,32) The attribute prefix fn does not correspond to any imported tag library
	org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:39)
	org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:405)
	org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:146)
	org.apache.jasper.compiler.Validator$1FVVisitor.visit(Validator.java:1247)
	org.apache.jasper.compiler.ELNode$Function.accept(ELNode.java:122)
	org.apache.jasper.compiler.ELNode$Nodes.visit(ELNode.java:193)
	org.apache.jasper.compiler.ELNode$Visitor.visit(ELNode.java:234)
	org.apache.jasper.compiler.ELNode$Root.accept(ELNode.java:53)
	org.apache.jasper.compiler.ELNode$Nodes.visit(ELNode.java:193)
	org.apache.jasper.compiler.Validator$ValidateVisitor.validateFunctions(Validator.java:1266)
	org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:607)
	org.apache.jasper.compiler.Node$ELExpression.accept(Node.java:896)
	org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
	org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
	org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:730)
	org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1441)
	org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
	org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
	org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:730)
	org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1441)
	org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
	org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
	org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2219)
	org.apache.jasper.compiler.Node$Root.accept(Node.java:456)
	org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
	org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
	org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:415)
	org.apache.jasper.compiler.Node$IncludeDirective.accept(Node.java:597)
	org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
	org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
	org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:640)
	org.apache.jasper.compiler.Node$UninterpretedTag.accept(Node.java:1185)
	org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
	org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
	org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:640)
	org.apache.jasper.compiler.Node$UninterpretedTag.accept(Node.java:1185)
	org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
	org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
	org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:640)
	org.apache.jasper.compiler.Node$UninterpretedTag.accept(Node.java:1185)
	org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
	org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
	org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:640)
	org.apache.jasper.compiler.Node$UninterpretedTag.accept(Node.java:1185)
	org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
	org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
	org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:640)
	org.apache.jasper.compiler.Node$UninterpretedTag.accept(Node.java:1185)
	org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
	org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
	org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:640)
	org.apache.jasper.compiler.Node$UninterpretedTag.accept(Node.java:1185)
	org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
	org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
	org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:640)
	org.apache.jasper.compiler.Node$UninterpretedTag.accept(Node.java:1185)
	org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
	org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
	org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:640)
	org.apache.jasper.compiler.Node$UninterpretedTag.accept(Node.java:1185)
	org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
	org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
	org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:409)
	org.apache.jasper.compiler.Node$JspRoot.accept(Node.java:525)
	org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
	org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
	org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2219)
	org.apache.jasper.compiler.Node$Root.accept(Node.java:456)
	org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
	org.apache.jasper.compiler.Validator.validate(Validator.java:1489)
	org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:157)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:267)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:255)
	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:563)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:293)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	pl.kti.ans.servlet.ManagerServlet.gotoPage(ManagerServlet.java:83)
	pl.kti.ans.servlet.ManagerServlet.manage(ManagerServlet.java:76)
	pl.kti.ans.servlet.ManagerServlet.doPost(ManagerServlet.java:46)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	pl.kti.ans.servlet.AuthorizationFilter.doFilter(AuthorizationFilter.java:33)

Any idea about a solution for this problem? I would just like to inform that the
tags are correctly loaded in the first file (the code ${fn:requestScope} works
when inserted in the first file)! Thanks in advance for your help.

Regards,

Willy Picard
-- 
Willy Picard                        e-mail: picard@kti.ae.poznan.pl
Dept. of Information Technology     www:    http://www.kti.ae.poznan.pl/
The Poznan University of Economics  tel:    +48 61 848 05 49
Mansfelda 4, 60-854 Poznan, Poland  fax:    +48 61 848 38 40

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