Error in OutputStyleRenderer
 java.lang.IllegalStateException: ICEfaces requires the PersistentFacesServlet. Please check your web.xml servlet mappings
         at com.icesoft.faces.context.DOMResponseWriter.<init>(DOMResponseWriter.java:126)
 

 <?xml version="1.0" encoding="UTF-8"?>
 <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
     <context-param>
         <param-name>javax.faces.STATE_SAVING_METHOD</param-name>
         <param-value>server</param-value>
     </context-param>
     <context-param>
         <param-name>com.sun.faces.validateXml</param-name>
         <param-value>true</param-value>
     </context-param>
     <context-param>
         <param-name>com.sun.faces.verifyObjects</param-name>
         <param-value>false</param-value>
     </context-param>
     <context-param>
         <param-name>javax.faces.DEFAULT_SUFFIX</param-name>
         <param-value>.xhtml</param-value>
     </context-param>
     <context-param>
         <param-name>facelets.DEVELOPMENT</param-name>
         <param-value>false</param-value>
     </context-param>
     <context-param>
         <param-name>facelets.SKIP_COMMENTS</param-name>
         <param-value>true</param-value>
     </context-param>
     <context-param>
         <param-name>com.icesoft.faces.concurrentDOMViews</param-name>
         <param-value>false</param-value>
     </context-param>
     <context-param>
         <param-name>com.icesoft.faces.debugDOMUpdate</param-name>
         <param-value>false</param-value>
     </context-param>
     <context-param>
         <param-name>com.icesoft.faces.uploadMaxFileSize</param-name>
         <param-value>4048576</param-value>
     </context-param>
     <context-param>
         <param-name>com.sun.faces.enableRestoreView11Compatibility</param-name>
         <param-value>true</param-value>
     </context-param>
     <context-param>
         <param-name>com.icesoft.faces.standardRequestScope</param-name>
         <param-value>true</param-value>
     </context-param>
     <context-param>
         <param-name>com.icesoft.faces.synchronousUpdate</param-name>
         <param-value>false</param-value>
     </context-param>
     <filter>
         <filter-name>UploadFilter</filter-name>
         <filter-class>com.sun.webui.jsf.util.UploadFilter</filter-class>
         <init-param>
             <description>The maximum allowed upload size in bytes.  If this is set to a negative value, there is no maximum.  The default value is 1000000.</description>
             <param-name>maxSize</param-name>
             <param-value>1000000</param-value>
         </init-param>
         <init-param>
             <description>The size (in bytes) of an uploaded file which, if it is exceeded, will cause the file to be written directly to disk instead of stored in memory.  Files smaller than or equal to this size will be stored in memory.  The default value is 4096.</description>
             <param-name>sizeThreshold</param-name>
             <param-value>4096</param-value>
         </init-param>
     </filter>
     <filter-mapping>
         <filter-name>UploadFilter</filter-name>
         <servlet-name>Faces Servlet</servlet-name>
     </filter-mapping>
     <servlet>
         <servlet-name>Faces Servlet</servlet-name>
         <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
         <init-param>
             <param-name>javax.faces.LIFECYCLE_ID</param-name>
             <param-value>com.sun.faces.lifecycle.PARTIAL</param-value>
         </init-param>
         <load-on-startup>1</load-on-startup>
     </servlet>
     <servlet>
         <servlet-name>ExceptionHandlerServlet</servlet-name>
         <servlet-class>com.sun.errorhandler.ExceptionHandler</servlet-class>
         <init-param>
             <param-name>errorHost</param-name>
             <param-value>localhost</param-value>
         </init-param>
         <init-param>
             <param-name>errorPort</param-name>
             <param-value>24444</param-value>
         </init-param>
     </servlet>
     <servlet>
         <servlet-name>ThemeServlet</servlet-name>
         <servlet-class>com.sun.webui.theme.ThemeServlet</servlet-class>
     </servlet>
     <servlet>
         <servlet-name>Persistent Faces Servlet</servlet-name>
         <servlet-class>com.icesoft.faces.webapp.xmlhttp.PersistentFacesServlet</servlet-class>
         <load-on-startup>1</load-on-startup>
     </servlet>
     <servlet>
         <servlet-name>Blocking Servlet</servlet-name>
         <servlet-class>com.icesoft.faces.webapp.xmlhttp.BlockingServlet</servlet-class>
         <load-on-startup>1</load-on-startup>
     </servlet>
     <servlet>
         <servlet-name>uploadServlet</servlet-name>
         <servlet-class>com.icesoft.faces.component.inputfile.FileUploadServlet</servlet-class>
         <load-on-startup>1</load-on-startup>
     </servlet>
     <servlet-mapping>
         <servlet-name>Faces Servlet</servlet-name>
         <url-pattern>/faces/*</url-pattern>
     </servlet-mapping>
     <servlet-mapping>
         <servlet-name>ExceptionHandlerServlet</servlet-name>
         <url-pattern>/error/ExceptionHandler</url-pattern>
     </servlet-mapping>
     <servlet-mapping>
         <servlet-name>ThemeServlet</servlet-name>
         <url-pattern>/theme/*</url-pattern>
     </servlet-mapping>
     <servlet-mapping>
         <servlet-name>Persistent Faces Servlet</servlet-name>
         <url-pattern>/xmlhttp/*</url-pattern>
     </servlet-mapping>
     <servlet-mapping>
         <servlet-name>Persistent Faces Servlet</servlet-name>
         <url-pattern>*.iface</url-pattern>
     </servlet-mapping>
     <servlet-mapping>
         <servlet-name>Persistent Faces Servlet</servlet-name>
         <url-pattern>*.jspx</url-pattern>
     </servlet-mapping>
     <servlet-mapping>
         <servlet-name>Blocking Servlet</servlet-name>
         <url-pattern>/block/*</url-pattern>
     </servlet-mapping>
     <servlet-mapping>
         <servlet-name>uploadServlet</servlet-name>
         <url-pattern>/uploadHtml</url-pattern>
     </servlet-mapping>
     <session-config>
         <session-timeout>
             30
         </session-timeout>
     </session-config>
     <welcome-file-list>
          <welcome-file>faces/intro.jsp</welcome-file>
         </welcome-file-list>
     <error-page>
         <exception-type>javax.servlet.ServletException</exception-type>
         <location>/error/ExceptionHandler</location>
     </error-page>
     <error-page>
         <exception-type>java.io.IOException</exception-type>
         <location>/error/ExceptionHandler</location>
     </error-page>
     <error-page>
         <exception-type>javax.faces.FacesException</exception-type>
         <location>/error/ExceptionHandler</location>
     </error-page>
     <error-page>
         <exception-type>com.sun.rave.web.ui.appbase.ApplicationException</exception-type>
         <location>/error/ExceptionHandler</location>
     </error-page>
     <jsp-config>
         <jsp-property-group>
             <url-pattern>*.jspf</url-pattern>
             <is-xml>true</is-xml>
         </jsp-property-group>
         </jsp-config>
     </web-app>