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http://issues.appfuse.org/browse/APF-1130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12657 ]
Slava Kovalenko commented on APF-1130:
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To migrate to Struts 2.1 :
1. Follow instructions
http://cwiki.apache.org/S2WIKI/troubleshooting-guide-migrating-from-struts-20x-to-21x.html
just ignore change related to web.xml StrutsPrepareAndExecuteFilter usage - it will not work with Sitemesh as it will strap all attributes
2. Update web.xml with appropriate filters
2.a struts-cleanup filter is not required anymore and 2 struts filter instead of one before
BEFORE 2.1 :
<filter>
<filter-name>struts-cleanup</filter-name>
<filter-class>org.apache.struts2.dispatcher.ActionContextCleanUp</filter-class>
</filter>
<filter>
<filter-name>struts</filter-name>
<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
</filter>
AFTER :
<filter>
<filter-name>struts2-prepare</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareFilter</filter-class>
<init-param>
<param-name>actionPackages</param-name>
<param-value>com.peak6.weseed.webapp.admin.action</param-value>
</init-param>
</filter>
<filter>
<filter-name>struts2-execute</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsExecuteFilter</filter-class>
<init-param>
<param-name>actionPackages</param-name>
<param-value>com.peak6.weseed.webapp.admin.action</param-value>
</init-param>
</filter>
2.b sitemesh filter should sit in the middle of two struts filters:
BEFORE 2.1 :
<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>
AFTER :
<filter-mapping>
<filter-name>struts2-prepare</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>sitemesh</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>FORWARD</dispatcher>
<dispatcher>REQUEST</dispatcher>
<dispatcher>INCLUDE</dispatcher>
</filter-mapping>
<filter-mapping>
<filter-name>struts2-execute</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
3. You may remove Codebehind Plugin (optional) as since 2.1 this plugin has been deprecated in favor of the Convention Plugin
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