Execptions with SortableDataModel

[Rogerio Pereira]

I´m trying to implement sorting feature in my dataTable like we have in wiki entry:

http://wiki.apache.org/myfaces/Working_with_auto_sortable_tables

at subtopic "Enable auto sort by columns", but when i fill my from my action method and the reload the page i get this exception:

java.lang.ClassCastException: org.apache.myfaces.component.html.ext.SortableModel
    at org.apache.myfaces.component.html.ext.HtmlDataTable.updateModelFromPreservedDataModel(HtmlDataTable.java:401)
    at org.apache.myfaces.component.html.ext.HtmlDataTable.processUpdates(HtmlDataTable.java:387)
    at javax.faces.component.UIForm.processUpdates(UIForm.java:87)
    at javax.faces.component.UIComponentBase.processUpdates(UIComponentBase.java:645)
    at javax.faces.component.UIComponentBase.processUpdates (UIComponentBase.java:645)
    at javax.faces.component.UIComponentBase.processUpdates(UIComponentBase.java:645)
    at javax.faces.component.UIViewRoot.processUpdates(UIViewRoot.java:157)
    at org.apache.myfaces.lifecycle.LifecycleImpl.updateModelValues (LifecycleImpl.java:302)
    at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:81)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:137)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:252)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
    at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java :181)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
    at org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:126)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
    at org.apache.catalina.connector.CoyoteAdapter.service (CoyoteAdapter.java:148)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
    at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java :664)
    at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
    at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
    at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run (ThreadPool.java:684)
    at java.lang.Thread.run(Unknown Source)

Any ideas about how to fix this? Or this is a bug?


--
Yours truly (Atenciosamente),

Rogério