Ajax using dojo plugins in struts2

I am trying to make ajax call from a div using dojo plugins in struts2. I am using the following jars: struts2-core-2.1.8.1.jar

struts2-dojo-plugin-2.1.8.1.jar

I have the following jsp:

But I am getting the following exception:

java.lang.AbstractMethodError
at org.apache.struts2.components.ClosingUIBean.start(ClosingUIBean.java:59)
at org.apache.struts2.views.jsp.ComponentTagSupport.doStartTag(ComponentTagSupport.java:53)
at org.apache.jsp.WEB_002dINF.content.rule.rule_jsp._jspx_meth_sx_submit_0(rule_jsp.java from :253)
at org.apache.jsp.WEB_002dINF.content.rule.rule_jsp._jspx_meth_s_form_0(rule_jsp.java from :186)
at org.apache.jsp.WEB_002dINF.content.rule.rule_jsp._jspx_meth_sx_div_0(rule_jsp.java from :138)
at org.apache.jsp.WEB_002dINF.content.rule.rule_jsp._jspService(rule_jsp.java from :82)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:109)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:403)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:476)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:366)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:478)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225)

I have proper struts.xml and action defined. Same is working if I am not using ajax.Can some one please help me out here.
Please also give me an example how to use ajax from a div using struts2 dojo plugin. I want to replace the div with the result jsp on submit using ajax.

Thanks in advance.