No, with new HtmlDataTable() I do not get NPE. So what does it mean? Ps. My backing bean is session scoped.
PK -----Original Message----- From: Martin Marinschek [mailto:[EMAIL PROTECTED] Sent: Thursday, August 18, 2005 3:34 PM To: MyFaces Discussion Subject: Re: FacesException: Could not get property rows of component... What happens if in your getJsfDataTable function you call new HtmlDataTable() each time? do you still get this NPE? regards, Martin On 8/18/05, Kołoszko Paweł <[EMAIL PROTECTED]> wrote: > One more thing. When binding="#{listRodzajePism.jsfDataTable}" is > removed from x:datatable tag, everyhing works just fine. > > PK > > -----Original Message----- > From: Kołoszko Paweł > Sent: Thursday, August 18, 2005 11:20 AM > To: [email protected] > Subject: FacesException: Could not get property rows of component... > > MyFaces 1.0.9 > > I have a following problem: > > I have page.jsp with datatable and a button: > > <x:dataTable id="listarodzajepism" value="#{listRodzajePism.rodzajePism}" > var="rodzajPisma" border="0" > styleClass="standardTable" > headerClass="standardTable_SortHeader" > rowClasses="standardTable_Row1,standardTable_Row2" > footerClass="standardTable_Footer" > sortColumn="#{listRodzajePism.sort}" > sortAscending="#{listRodzajePism.ascending}" > preserveDataModel="true" > preserveSort="true" > rows="24" > binding="#{listRodzajePism.jsfDataTable}"> > > ... column, column, column ... > </x:dataTable> > <h:commandButton id="cb" value="NewPage" action="newpage"/> > > Action "newpage" of commandbutton opens page2.jsp with only one button: > > <h:commandButton id="button" > value="Cancel" > action="back" > immediate="true"/> > > Action "back" goes back to page.jsp. And here the problem occurs > becuase I receive an error: > > javax.faces.FacesException: Could not get property rows of component > rodzajepismview:listarodzajepism Caused by: java.lang.NullPointerException > at > org.apache.myfaces.component.html.ext.HtmlDataTable.getRows(HtmlDataTa > ble.ja > va:547) > > When I open page.jsp everything is OK, but action page.jsp -> > page2.jsp -> page.jsp Cause an error. > > In my backing bean I have: > > private HtmlDataTable jsfDataTable; > > public HtmlDataTable getJsfDataTable() { > return jsfDataTable; > } > > public void setJsfDataTable(HtmlDataTable jsfDataTable) { > this.jsfDataTable = jsfDataTable; > } > > What can cause this problem? Is it a bug in MyFaces or my fault > somewher in my code? > > PK > -- http://www.irian.at Your JSF powerhouse - JSF Trainings in English and German
