[richfaces-issues] [JBoss JIRA] Created: (RF-3901) filtering: java.lang.NullPointerException during using filterMethod under jsp-myfaces.

Mikhail Vitenkov (JIRA) jira-events at lists.jboss.org
Tue Jul 15 06:11:26 EDT 2008


filtering: java.lang.NullPointerException during using filterMethod under jsp-myfaces.
--------------------------------------------------------------------------------------

                 Key: RF-3901
                 URL: http://jira.jboss.com/jira/browse/RF-3901
             Project: RichFaces
          Issue Type: Bug
    Affects Versions: 3.2.2
         Environment: ie6, ie7, ff, safari, opera(3.2.2.BETA1)
            Reporter: Mikhail Vitenkov
         Assigned To: Nick Belaevski


Step 1. Add filterMethod method in bean:
public boolean filterMethod(Object obj) {
		Data d = (Data)obj;
		if(d.getStr0().startsWith(filterInput)) return true;
		return false;
	}
Step 2. Add filterMethod method for rich:column through the "filterMethod" attribute:
<rich:column sortBy="#{data.str0}"
			sortOrder="#{sortingAndFiltering.sortOrder}" filterBy="#{data.str0}" filterMethod="#{sortingAndFiltering.filterMethod}">
			<f:facet name="header">
				<h:outputText value="#3" />
			</f:facet>
			<h:outputText value="#{data.str0}"></h:outputText>
			<f:facet name="footer">
				<h:outputText value="#3" />
			</f:facet>
		</rich:column>
Step 3. Add input field for "filterInput" value(See Step 1).
Step 4. Navigate to the page, contained rich:column described in Step 2.

Actual behavior:

javax.faces.FacesException: Exception while calling encodeEnd on component : {Component-Path : [Class: org.ajax4jsf.component.AjaxViewRoot,ViewId: /pages/Rich/Rich.jsp][Class: javax.faces.component.html.HtmlForm,Id: formID][Class: javax.faces.component.html.HtmlPanelGrid,Id: richGridID]}
	at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:559)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:250)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:246)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:246)
	at org.apache.myfaces.application.jsp.JspViewHandlerImpl.actuallyRenderView(JspViewHandlerImpl.java:423)
	at org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:380)
	at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
	at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:191)
	at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
	at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:140)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:152)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:154)
	at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:265)
	at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:376)
	at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:503)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Unknown Source)
Caused by: javax.faces.FacesException: Exception while calling encodeEnd on component : {Component-Path : [Class: org.ajax4jsf.component.AjaxViewRoot,ViewId: /pages/Rich/Rich.jsp][Class: javax.faces.component.html.HtmlForm,Id: formID][Class: javax.faces.component.html.HtmlPanelGrid,Id: richGridID][Class: javax.faces.component.html.HtmlPanelGroup,Id: j_id_jsp_357983163_10]}
	at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:559)
	at org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChild(RendererUtils.java:515)
	at org.apache.myfaces.shared_impl.renderkit.html.HtmlGridRendererBase.renderChildren(HtmlGridRendererBase.java:221)
	at org.apache.myfaces.shared_impl.renderkit.html.HtmlGridRendererBase.encodeEnd(HtmlGridRendererBase.java:102)
	at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:556)
	... 28 more
Caused by: javax.faces.FacesException: Exception while calling encodeBegin on component : {Component-Path : [Class: org.ajax4jsf.component.AjaxViewRoot,ViewId: /pages/Rich/Rich.jsp][Class: javax.faces.component.html.HtmlForm,Id: formID][Class: javax.faces.component.html.HtmlPanelGrid,Id: richGridID][Class: javax.faces.component.html.HtmlPanelGroup,Id: j_id_jsp_357983163_10][Class: javax.faces.component.UINamingContainer,Id: sortingAndFilteringSubviewID][Class: org.richfaces.component.html.HtmlDataTable,Id: dataTableSAFID]}
	at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:531)
	at javax.faces.component.UIData.encodeBegin(UIData.java:508)
	at org.ajax4jsf.component.UIDataAdaptor.encodeBegin(UIDataAdaptor.java:1221)
	at org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChild(RendererUtils.java:506)
	at org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChildren(RendererUtils.java:492)
	at org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChild(RendererUtils.java:513)
	at org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChildren(RendererUtils.java:492)
	at org.apache.myfaces.shared_impl.renderkit.html.HtmlGroupRendererBase.encodeEnd(HtmlGroupRendererBase.java:92)
	at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:556)
	... 32 more
Caused by: org.apache.jasper.el.JspELException: /SortingAndFiltering/SortingAndFiltering.jsp(104,2) '#{sortingAndFiltering.filterMethod}' java.lang.NullPointerException
	at org.apache.jasper.el.JspMethodExpression.invoke(JspMethodExpression.java:77)
	at org.richfaces.model.impl.expressive.MethodBindingExpression.evaluate(MethodBindingExpression.java:24)
	at org.richfaces.model.impl.expressive.ObjectWrapperFactory.wrapObject(ObjectWrapperFactory.java:189)
	at org.richfaces.model.ModifiableModel$RowKeyWrapperFactory.wrapObject(ModifiableModel.java:57)
	at org.richfaces.model.impl.expressive.ObjectWrapperFactory$2.convert(ObjectWrapperFactory.java:177)
	at org.richfaces.model.impl.expressive.ObjectWrapperFactory.convertList(ObjectWrapperFactory.java:138)
	at org.richfaces.model.impl.expressive.ObjectWrapperFactory.wrapList(ObjectWrapperFactory.java:175)
	at org.richfaces.model.ModifiableModel.filter(ModifiableModel.java:217)
	at org.richfaces.model.ModifiableModel.modify(ModifiableModel.java:206)
	at org.richfaces.component.UIDataTable.createDataModel(UIDataTable.java:131)
	at org.ajax4jsf.component.UIDataAdaptor.getExtendedDataModel(UIDataAdaptor.java:622)
	at org.ajax4jsf.component.UIDataAdaptor.setRowKey(UIDataAdaptor.java:340)
	at org.richfaces.renderkit.AbstractTableRenderer.encodeTableStructure(AbstractTableRenderer.java:73)
	at org.richfaces.renderkit.html.DataTableRenderer.doEncodeBegin(DataTableRenderer.java:206)
	at org.richfaces.renderkit.html.DataTableRenderer.doEncodeBegin(DataTableRenderer.java:194)
	at org.ajax4jsf.renderkit.RendererBase.encodeBegin(RendererBase.java:101)
	at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:528)
	... 40 more
Caused by: java.lang.NullPointerException
	at sortingAndFiltering.SortingAndFiltering.filterMethod(SortingAndFiltering.java:138)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.apache.el.parser.AstValue.invoke(AstValue.java:152)
	at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
	at org.apache.jasper.el.JspMethodExpression.invoke(JspMethodExpression.java:68)
	... 56 more

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