Thank you Chris!
As far as I know the Struts-Tiles plugin supplied with Struts 2.1.8.1 does
not support Tiles 2.2 (or 2.1 for that matter).
This is exactly the reason!
I think both struts2 & Tiles2' official websites should highlight this
in a very prominent position!
Lowered the version to tiles2.0.7, everything is fine.
What a wasting of time of all my debugging!!! I hope everything will
knows about it in advance and no need to debug anymore !
--
Lu Ying
Good afternoon,
Tiles2.2.1, Struts 2.1.8.1, Spring 2.5.6, tried simple example, but always
got the following error:
===================================
java.lang.NullPointerException
org.apache.tiles.definition.UnresolvingLocaleDefinitionsFactory.getDefinition(UnresolvingLocaleDefinitionsFactory.java:102)
org.apache.tiles.impl.BasicTilesContainer.getDefinition(BasicTilesContainer.java:364)
org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:618)
org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:321)
org.apache.struts2.views.tiles.TilesResult.doExecute(TilesResult.java:105)
... ...
Could someone tell me why I get this error?
Thanks a lot!
--
Lu Ying
(1) web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_9" 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";>
<display-name>Struts2 Testing</display-name>
<!-- Uncomment/comment this if you need/don't need Spring support -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext*.xml</param-value>
</context-param>
<!-- tiles begin -->
<context-param>
<param-name>
org.apache.tiles.impl.BasicTilesContainer.DEFINITIONS_CONFIG</param-name>
<param-value>/WEB-INF/tiles.xml</param-value>
</context-param>
<!-- tiles end -->
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
<init-param>
<param-name>actionPackages</param-name>
<param-value>user.actions</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<listener>
<listener-class>org.apache.struts2.tiles.StrutsTilesListener
</listener-class>
</listener>
<welcome-file-list>
<welcome-file>begin.jsp</welcome-file>
</welcome-file-list>
</web-app>
(2) struts.xml
... ...
<struts>
<constant name="struts.enable.DynamicMethodInvocation" value="false" />
<constant name="struts.devMode" value="false" />
<package name="default" extends="struts-default">
<result-types>
<result-type name="tiles"
class="org.apache.struts2.views.tiles.TilesResult" />
</result-types>
<action name="*Link" method="{1}"
class="example.action.tiles.ProcessTile1">
<result name="welcome" type="tiles">welcome</result>
</action>
</package>
</struts>
(3) tiles.xml
<tiles-definitions>
<definition name="baseLayout" template="/baseLayout.jsp">
</definition>
<definition name="welcome" extends="baseLayout">
</definition>
</tiles-definitions>
(4) jsp file
<a href="<s:url action="welcomeLink"/>"> Tile example1</a>
(5) baseLayout.jsp
hello world
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