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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