[Spring MVC] FreeMarker + JspTagLib

**Patriarch24** · 18/01/2008, 12h14

Bonjour à tous,
je suis en train de porter un ensemble de vues d'une application web de jsp vers freemarker.
Afin de continuer à utiliser struts-menu, j'ai besoin d'accéder aux taglib. Pour cela, on peut utiliser JspTagLib :

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<#assign menu=JspTagLib["http://...."]>
....
<@menu.xxx> ...

Cependant, j'obtiens une erreur lors de l'affichage de la page :

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Expression JspTagLib is undefined on line 1, column 15 in header.ftl. 
The problematic instruction: ---------- 
==> assignment: html=JspTagLib["http://struts.apache.org/tags-html"] [on line 1, column 1 in header.ftl] in include "header.ftl" [on line 5, column 1 in login.ftl] ---------- 
Java backtrace for programmers: ---------- 
freemarker.core.InvalidReferenceException: Expression JspTagLib is undefined on line 1, column 15 in header.ftl. 
at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124) 
at freemarker.core.DynamicKeyName._getAsTemplateModel(DynamicKeyName.java:75) 
at freemarker.core.Expression.getAsTemplateModel(Expression.java:89) 
at freemarker.core.Assignment.accept(Assignment.java:90)
at freemarker.core.Environment.visit(Environment.java:208) 
at freemarker.core.MixedContent.accept(MixedContent.java:92) 
at freemarker.core.Environment.visit(Environment.java:208) 
at freemarker.core.Environment.include(Environment.java:1477)
at freemarker.core.Include.accept(Include.java:169) 
at freemarker.core.Environment.visit(Environment.java:208)
at freemarker.core.MixedContent.accept(MixedContent.java:92) 
at freemarker.core.Environment.visit(Environment.java:208)
at freemarker.core.Environment.process(Environment.java:188) 
at freemarker.template.Template.process(Template.java:232) 
at org.springframework.web.servlet.view.freemarker.FreeMarkerView.processTemplate(FreeMarkerView.java:344) 
at org.springframework.web.servlet.view.freemarker.FreeMarkerView.doRender(FreeMarkerView.java:280) 
at org.springframework.web.servlet.view.freemarker.FreeMarkerView.renderMergedTemplateModel(FreeMarkerView.java:225) 
at org.springframework.web.servlet.view.AbstractTemplateView.renderMergedOutputModel(AbstractTemplateView.java:174)
at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:251)
at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1160) 
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:901) 
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:809) 
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:476) 
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:431) 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:265) 
at org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:135) 
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275) 
at org.acegisecurity.wrapper.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:81) 
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249) 
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275) 
at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:149) at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198) 
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at tudu.web.filter.JAMonFilter.doFilter(JAMonFilter.java:45) 
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:230) 
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) 
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) 
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) 
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261) 
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) 
at java.lang.Thread.run(Unknown Source)

Voici la configuration "FreeMarker" :

Code :

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<!-- freemarker config -->
<bean id="freemarkerConfig" class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer">
  <property name="templateLoaderPath" value="/WEB-INF/freemarker/"/>
</bean>
 
<bean id="viewResolver4" class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver">
  <property name="cache" value="true"/>
  <property name="prefix" value=""/>
  <property name="suffix" value=".ftl"/>
  <property name="exposeSpringMacroHelpers" value="true"/>
</bean>