Hi,
I might not understand what null definition means. Also i don't want to
loose the current flow of struts 1.1 (using TilesPlugin) and also
Struts2 to work using old tiles definition. I am using tile 2.2.2 and
followed the instructions given on
http://tiles.apache.org/framework/migration/configuration.html#Reusing_old_Tiles_configuration_files
got NullPointerException
org.apache.tiles.definition.dao.CachingLocaleUrlDefinitionDAO.loadDefinitionsFromURLs.
So i rename my my tiles-defs.xml fiel to tiles.xml and got the same
exception as given below.
org.apache.tiles.impl.InvalidTemplateException: Cannot render a null template
Thanks for help.
Best regards,
Sachin
On 24-05-2011 00:12, Martin Gainty wrote:
it seems you are supplying a null template definition e.g.
<%@ taglib uri="http://struts.apache.org/tags-tiles"; prefix="tiles" %>
<definition name="templateDefinition" path="/layout.jsp">
<put name="title" value="This is the title." />
<put name="header" value="header.jsp" />
<put name="body" value="body.jsp" />
</definition>
WEB-INF/struts-config.xml
<!-- To use tiles-plugin, download and add the Tiles jar to your
WEB-INF/lib
directory then uncomment the plugin definition below.
-->
<plug-in className="org.apache.struts.tiles.TilesPlugin" >
<set-property property="definitions-config"
value="/WEB-INF/tiles-defs.xml" />s
<set-property property="moduleAware" value="true" />
</plug-in>
to implement tiles in struts2.x use
org.apache.struts2.tiles.listener.StrutsTilesListener
web.xml would contain
<listener>
<listener-class>
org.apache.struts2.tiles.StrutsTilesListener
</listener-class>
</listener>
Martin Gainty
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> Date: Mon, 23 May 2011 22:48:01 +0530
> From: sachin.l...@krishagni.com
> To: user@struts.apache.org
> Subject: Upgrading Struts 1.1 to Struts 2 with tiles
>
> Hi,
> I want to upgrade my application to Struts 2.2.3 from struts 1.1. I
want
> to migrate this on shared resource basis i.e. running both Struts1 and
> struts2 in parallel each handling different action extension (*.action
> and *.do). Though i could successfully created the Struts2 action class
> and request is getting routed correctly but i am facing problems with
> re-using struts-tiles. I added below lines in web.xml
> <filter>
> <filter-name>struts2</filter-name>
>
<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
> </filter>
> <filter-mapping>
> <filter-name>struts2</filter-name>
> <url-pattern>*.action</url-pattern>
> </filter-mapping>
> <context-param>
>
<param-name>org.apache.tiles.impl.BasicTilesContainer.DEFINITIONS_CONFIG</param-name>
> <param-value>/WEB-INF/tiles-defs.xml</param-value>
> </context-param>
> <listener>
>
<listener-class>org.apache.tiles.extras.complete.CompleteAutoloadTilesListener</listener-class>
> </listener>
>
> But it is throwing below action while forwarding request from struts2
> action to tile.
>
> org.apache.tiles.impl.InvalidTemplateException: Cannot render a null
template
>
org.apache.tiles.renderer.impl.TemplateAttributeRenderer.write(TemplateAttributeRenderer.java:51)
>
org.apache.tiles.renderer.impl.AbstractBaseAttributeRenderer.render(AbstractBaseAttributeRenderer.java:106)
>
org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:670)
>
org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:690)
>
org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:644)
>
org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:627)
>
org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:321)
>
org.apache.struts2.views.tiles.TilesResult.doExecute(TilesResult.java:105)
>
org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:186)
>
com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:373)
>
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:277)
>
com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:176)
>
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
>
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
>
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:263)
>
>
>
> After couple of search i found there is a struts1 -tiles2 plugin
> available but it seems to be compatible with struts1.3.
>
> Any help or pointer would be helpful.
> Thanks in advance
>
> Best regards,
> Sachin Lale
