I think Musachy means with the ng filter instead of the old
FilterDispatcher.
Dave
Markus Doring wrote:
Not sure what the new ones are, but my Maven dependency uses version 2.1.6 of
the struts2 sitemesh plugin:
<code>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-sitemesh-plugin</artifactId>
<version>${struts.version}</version>
</dependency>
...
<struts.version>2.1.6</struts.version>
</code>
Is there any other filter I can try?
Markus
Musachy Barroso wrote:
Did you try with the new filters?
musachy
On Thu, Jan 29, 2009 at 7:44 PM, Markus Doring <mdoer...@gbif.org> wrote:
Hi,
I am trying Struts 2.1.6 with Freemarker Sitemesh decorators. I am
getting a
NPE in the PageFilter HeadTag class. When debugging it seems the
getPage()
call in the class returns Null. This only happens for the decorator:head
and
not for the body or title (If I remove the <@decorator.head/> from my
decorator it works fine). The error is:
<code>
java.lang.NullPointerException
at
com.opensymphony.module.sitemesh.taglib.decorator.HeadTag.doEndTag(HeadTag.java:33)
at
freemarker.ext.jsp.TagTransformModel$TagWriter.endEvaluation(TagTransformModel.java:431)
at
freemarker.ext.jsp.TagTransformModel$TagWriter.onStart(TagTransformModel.java:370)
at freemarker.core.Environment.visit(Environment.java:295)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:130)
at freemarker.core.Environment.visit(Environment.java:209)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:209)
at freemarker.core.Environment.process(Environment.java:189)
at freemarker.template.Template.process(Template.java:237)
at
org.apache.struts2.sitemesh.FreeMarkerPageFilter.applyDecorator(FreeMarkerPageFilter.java:160)
at
org.apache.struts2.sitemesh.TemplatePageFilter.applyDecorator(TemplatePageFilter.java:116)
at
com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:62)
</code>
I have tried to use the standard SiteMeshFilter instead of the
FreeMarkerPageFilter and then I dont encounter any problem. But of course
I
can't access the struts value stack anymore, so I need to get the
FreemarkerPageFilter working. Has anyone been successful in this
combination?
The relevant part of my web.xml looks like this:
<code>
<display-name>struts2test</display-name>
<filter>
<filter-name>struts-cleanup</filter-name>
<filter-class>org.apache.struts2.dispatcher.ActionContextCleanUp</filter-class>
</filter>
<filter>
<filter-name>sitemesh</filter-name>
<filter-class>com.opensymphony.sitemesh.webapp.SiteMeshFilter</filter-class>
<!--
<filter-class>org.apache.struts2.sitemesh.FreeMarkerPageFilter</filter-class>
-->
</filter>
<filter>
<filter-name>struts</filter-name>
<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
<init-param>
<param-name>actionPackages</param-name>
<param-value>com.specieslog.action</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>struts-cleanup</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>REQUEST</dispatcher>
<dispatcher>FORWARD</dispatcher>
</filter-mapping>
<filter-mapping>
<filter-name>sitemesh</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>REQUEST</dispatcher>
<dispatcher>FORWARD</dispatcher>
<dispatcher>INCLUDE</dispatcher>
</filter-mapping>
<filter-mapping>
<filter-name>struts</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>REQUEST</dispatcher>
<dispatcher>FORWARD</dispatcher>
</filter-mapping>
<!-- Servlets -->
<servlet>
<servlet-name>jspSupportServlet</servlet-name>
<servlet-class>org.apache.struts2.views.JspSupportServlet</servlet-class>
<load-on-startup>5</load-on-startup>
</servlet>
<servlet>
<servlet-name>sitemesh-freemarker</servlet-name>
<servlet-class>com.opensymphony.module.sitemesh.freemarker.FreemarkerDecoratorServlet</servlet-class>
<init-param>
<param-name>TemplatePath</param-name>
<param-value>/</param-value>
</init-param>
<init-param>
<param-name>default_encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>sitemesh-freemarker</servlet-name>
<url-pattern>*.dec</url-pattern>
</servlet-mapping>
</code>
My struts.xml is this minimal one, making Freemarker the default result
type:
<code>
<package name="default" namespace="/" extends="struts-default">
<result-types>
<result-type name="freemarker"
class="org.apache.struts2.views.freemarker.FreemarkerResult"
default="true"/>
</result-types>
<action name="hello" class="org.gbif.action.IndexAction">
<result>/WEB-INF/pages/hello.ftl</result>
</action>
</package>
</code>
I have also tried 2 different sitemesh page parsers, HTMLPageParser and
FastPageParser, but that didnt help either.
Ah, and this is the decorator I am using:
<code>
<?xml version="1.0"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";>
<#assign
decorator=JspTaglibs["http://www.opensymphony.com/sitemesh/decorator";] />
<html xmlns="http://www.w3.org/1999/xhtml"; xml:lang="en" lang="en">
<head>
<title><@decorator.title default="Struts2 Freemarker Sitemesh
Hibernate"/></title>
<@decorator.head/>
</head>
<body>
<div id="main">
<@decorator.body/>
</div> <!-- /main -->
</body>
</html>
</code>
Any idea highly appreciated!
Markus
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