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Spring JSTL tag not working

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I use spring roo to generate the web project. After I set up the web mvc by using web mvc setup, the webapp folder has the structure below:

.../webapp/
      |
      |_images
      |_styles
      |_WEB-INF 
           |
           |_classes
           |_i18n
           |_spring
           |_layouts
           |_tags
           |  |_form
           |  |_menu
           |  |_util
           |
           |_views
           |_web.xml

And I put the layouts, images, style and tags folder into the views folder(because I have other views for this project, I don't want to mess them up), and I change the related path in views.xml, and all the tag path in *.jspx files. Here is what the files look like after Ithe change.

The file structure

.../webapp/
      |
      |_WEB-INF 
           |
           |_classes
           |_i18n
           |_spring
           |
           |_views
           |    |_images
           |    |_layouts
           |    |_styles
           |    |_tags
           |       |_form
           |       |_menu
           |       |_util
           |_web.xml

web-mvc.xml

<!-- selects a static view for rendering without the need for an explicit controller -->
    <mvc:view-controller path="/login"/>
    <mvc:view-controller path="/logout"/>
    <mvc:view-controller path="/" view-name="index"/>
    <mvc:view-controller path="/uncaughtException"/>
    <mvc:view-controller path="/resourceNotFound"/>
    <mvc:view-controller path="/dataAccessFailure"/>

<!-- View resolvers -->
    <bean class="org.springframework.web.servlet.view.ResourceBundleViewResolver" id="resourceBundleViewResolver" p:basename="META-INF/view/wicket-views" p:order="1"/>

    <bean class="org.springframework.web.servlet.view.UrlBasedViewResolver" id="tilesViewResolver">
        <property name="order" value="2"/>
        <property name="viewClass" value="org.springframework.web.servlet.view.tiles2.TilesView"/>
    </bean>
    <bean class="org.springframework.web.servlet.view.tiles2.TilesConfigurer" id="tilesConfigurer">
        <property name="definitions">
            <list>
                <value>/WEB-INF/views/layouts/layouts.xml</value>
                <value>/WEB-INF/views/views.xml</value>
            </list>
        </property>
    </bean>

views.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE tiles-definitions PUBLIC
    "-//Apache Software Foundation//DTD Tiles Configuration 2.1//EN"
    "http://tiles.apache.org/dtds/tiles-config_2_1.dtd">

<tiles-definitions>

  <definition name="index" extends="default">
    <put-attribute name="body" value="/WEB-INF/views/index.jspx" />
  </definition>

  <definition name="dataAccessFailure" extends="public">
    <put-attribute name="body" value="/WEB-INF/views/dataAccessFailure.jspx" />
  </definition>

  <definition name="resourceNotFound" extends="public">
    <put-attribute name="body" value="/WEB-INF/views/resourceNotFound.jspx" />
  </definition>

  <definition name="uncaughtException" extends="public">
    <put-attribute name="body" value="/WEB-INF/views/uncaughtException.jspx" />
  </definition>

</tiles-definitions>

layouts.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE tiles-definitions PUBLIC
       "-//Apache Software Foundation//DTD Tiles Configuration 2.1//EN"
       "http://tiles.apache.org/dtds/tiles-config_2_1.dtd">

<tiles-definitions>

  <definition name="default" template="/WEB-INF/views/layouts/default.jspx">
    <put-attribute name="header" value="/WEB-INF/views/header.jspx" />
    <put-attribute name="menu" value="/WEB-INF/views/menu.jspx" />
    <put-attribute name="footer" value="/WEB-INF/views/footer.jspx" />
  </definition>

  <definition name="public" template="/WEB-INF/views/layouts/default.jspx">
    <put-attribute name="header" value="/WEB-INF/views/header.jspx" />
    <put-attribute name="footer" value="/WEB-INF/views/footer.jspx" />
  </definition>

</tiles-definitions>

default.jspx

<html xmlns:jsp="http://java.sun.com/JSP/Page" xmlns:c="http://java.sun.com/jsp/jstl/core" xmlns:tiles="http://tiles.apache.org/tags-tiles" xmlns:spring="http://www.springframework.org/tags" xmlns:util="urn:jsptagdir:/WEB-INF/views/tags/util" >  

    <jsp:output doctype-root-element="HTML" doctype-system="about:legacy-compat" />

    <jsp:directive.page contentType="text/html;charset=UTF-8" />  
    <jsp:directive.page pageEncoding="UTF-8" /> 

    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=8" />    

        <util:load-scripts />

        <spring:message code="application_name" var="app_name" htmlEscape="false"/>
        <title><spring:message code="welcome_h3" arguments="${app_name}" /></title>
    </head>

    <body class="tundra spring">
        <div id="wrapper">
            <tiles:insertAttribute name="header" ignore="true" />
            <tiles:insertAttribute name="menu" ignore="true" />   
            <div id="main">
                <tiles:insertAttribute name="body"/> 
                <tiles:insertAttribute name="footer" ignore="true"/>
            </div>
        </div>
    </body>
</html>

index.jspx

<div xmlns:spring="http://www.springframework.org/tags" xmlns:util="urn:jsptagdir:/WEB-INF/views/tags/util" xmlns:jsp="http://java.sun.com/JSP/Page" version="2.0">
  <jsp:directive.page contentType="text/html;charset=UTF-8" />
  <jsp:output omit-xml-declaration="yes" />
  <spring:message var="app_name" code="application_name" htmlEscape="false" />
  <spring:message var="title" code="welcome_titlepane" arguments="${app_name}" htmlEscape="false" />
  <util:panel id="title" title="${title}">
    <h3>
      <spring:message code="welcome_h3" arguments="${app_name}" />
    </h3>
    <p>
      <spring:message code="welcome_text" />
    </p>
  </util:panel>
</div>

I just ignore the other jspx file, like header, footer and so on, because I just changed one part of that files, that is "xmlns:util="urn:jsptagdir:/WEB-INF/tags/util"", and I changed it to "xmlns:util="urn:jsptagdir:/WEB-INF/views/tags/util"".

And now I run mvn clean install and mvn clean tomcat:run, the project can be built and deployed into the tomcat server without any error. And when I visit the home page in the browser, I always get the following error.

Nov 3, 2011 3:57:13 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet CrazyPlatform threw exception
org.apache.jasper.JasperException: /WEB-INF/views/layouts/default.jspx(1,239) Could not add one or more tag libraries.
    at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)
    at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)
    at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:88)
    at org.apache.jasper.compiler.JspDocumentParser.parse(JspDocumentParser.java:214)
    at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:239)
    at org.apache.jasper.compiler.ParserController.parse(ParserController.java:103)
    at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:185)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:347)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:327)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:314)
    at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:592)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
    at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
    at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
    at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
    at org.apache.tiles.servlet.context.ServletTilesRequestContext.forward(ServletTilesRequestContext.java:241)
    at org.apache.tiles.servlet.context.ServletTilesRequestContext.dispatch(ServletTilesRequestContext.java:222)
    at org.apache.tiles.renderer.impl.TemplateAttributeRenderer.write(TemplateAttributeRenderer.java:44)
    at org.apache.tiles.renderer.impl.AbstractBaseAttributeRenderer.render(AbstractBaseAttributeRenderer.java:106)
    at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:670)
    at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:690)
    at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:644)
    at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:627)
    at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:321)
    at org.springframework.web.servlet.view.tiles2.TilesView.renderMergedOutputModel(TilesView.java:124)
    at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:250)
    at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1047)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:817)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:669)
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:574)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:368)
    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109)
    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)
    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:97)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)
    at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:100)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)
    at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:78)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)
    at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)
    at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:35)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)
    at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:177)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)
    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:187)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)
    at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)
    at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:79)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)
    at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:169)
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
    at java.lang.Thread.run(Thread.java:680)

I use my entire day to google for the solution, and I get nothing. And if I keep the default structure which generated by spring roo, everything is fine. So I am sure that I must done something wrong when I change the configuration files, but I just cannot find it.

Is there anyone who can help me with this?

Thank you so much in advance!

exception spring-mvc spring-roo taglib jspx
Original Q&A
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Don't fight your tools. The original organization is not entirely Roo specific but it's defined by Java web standards.

  1. Anything inside WEB-INF is not directly accesible to the public, images and styles should remain outside.
  2. Tag files have also an specific location in Java web standards.
  3. Layouts are handled by Apache Tiles so, I'm unsure if their location is as restricted.

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