struts 2.1.6 with ajax

[rajeevp05]

I am trying small exmples for AJAX in struts 2.1.6. when i am giving the <s:head theme="ajax" /> tag in jsp getting the following error. Please tell me the procedure how to use AJAX in struts 2.1.6.

org.apache.jasper.JasperException: Expression parameters.parseContent is undefined on line 45, column 28 in template/ajax/head.ftl. - Class: freemarker.core.TemplateObject
File: TemplateObject.java
Method: assertNonNull
Line: 124 - freemarker/core/TemplateObject.java:124:-1

Is struts 2.1.6 is stable version?

[David Newton]

If you had given this information on struts-user I wouldn't have had to ask you to provide more.

In Struts 2.1.6, as it states in the documentation, you need to use the Dojo head tag: <sx:head/>.