[richfaces-issues] [JBoss JIRA] Updated: (RF-2348) ScrollableDatatable column sort ==> NullPointerException in org.richfaces.model.impl.expressive.ObjectWrapperFactory.wrapList(ObjectWrapperFactory.java:164)

[ http://jira.jboss.com/jira/browse/RF-2348?page=all ] Thomas.B updated RF-2348: ------------------------- Description: After pressing sort on a column, I'm getting the exception blow: The method with the NPE is: public List<Object> wrapList(List<Object> list) { ELContext elContext = context.getELContext(); VariableMapper mapper = elContext.getVariableMapper(); varValue = mapper.resolveVariable(var); convertList(list, new ObjectConvertor() { public Object convert(Object o) { return wrapObject(o); } }); return list; } I debugged the code and found out, that mapper is null after the line VariableMapper mapper = elContext.getVariableMapper(); SCHWERWIEGEND: Error Rendering View[/pages/index.xhtml] java.lang.NullPointerException at org.richfaces.model.impl.expressive.ObjectWrapperFactory.wrapList(ObjectWrapperFactory.java:164) at org.richfaces.model.internal.ComponentSortableDataModel.prepareCollection(ComponentSortableDataModel.java:58) at org.richfaces.model.internal.ComponentSortableDataModel.loadData(ComponentSortableDataModel.java:112) at org.richfaces.model.DataModelCache.loadData(DataModelCache.java:153) at org.richfaces.model.ScrollableTableDataModel.walk(ScrollableTableDataModel.java:127) at org.richfaces.model.DataModelCache.walk(DataModelCache.java:183) at org.ajax4jsf.component.UIDataAdaptor.walk(UIDataAdaptor.java:1021) at org.richfaces.component.UIScrollableDataTable.walk(UIScrollableDataTable.java:335) at org.richfaces.renderkit.html.ScrollableDataTableBaseRenderer.renderAjaxChildren(ScrollableDataTableBaseRenderer.java:726) at org.richfaces.renderkit.html.ScrollableDataTableBaseRenderer.encodeChildren(ScrollableDataTableBaseRenderer.java:793) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:543) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:282) at org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:262) at org.ajax4jsf.renderkit.html.AjaxOutputPanelRenderer.encodeChildren(AjaxOutputPanelRenderer.java:79) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:543) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:282) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:143) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxChildren(AjaxChildrenRenderer.java:86) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:134) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxChildren(AjaxChildrenRenderer.java:86) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:134) at org.ajax4jsf.renderkit.AjaxContainerRenderer.encodeAjax(AjaxContainerRenderer.java:122) at org.ajax4jsf.component.AjaxViewRoot.encodeAjax(AjaxViewRoot.java:553) at org.ajax4jsf.component.AjaxViewRoot$4.invokeRoot(AjaxViewRoot.java:384) at org.ajax4jsf.context.JsfOneOneInvoker.invokeOnRegionOrRoot(JsfOneOneInvoker.java:56) at org.ajax4jsf.context.AjaxContextImpl.invokeOnRegionOrRoot(AjaxContextImpl.java:172) at org.ajax4jsf.component.AjaxViewRoot.encodeChildren(AjaxViewRoot.java:401) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:239) at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:592) at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108) at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:216) at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41) at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:140) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:152) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:143) at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:276) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:595) 28.02.2008 14:08:38 javax.faces.webapp._ErrorPageWriter handleException SCHWERWIEGEND: An exception occurred java.lang.NullPointerException at org.richfaces.model.impl.expressive.ObjectWrapperFactory.wrapList(ObjectWrapperFactory.java:164) at org.richfaces.model.internal.ComponentSortableDataModel.prepareCollection(ComponentSortableDataModel.java:58) at org.richfaces.model.internal.ComponentSortableDataModel.loadData(ComponentSortableDataModel.java:112) at org.richfaces.model.DataModelCache.loadData(DataModelCache.java:153) at org.richfaces.model.ScrollableTableDataModel.walk(ScrollableTableDataModel.java:127) at org.richfaces.model.DataModelCache.walk(DataModelCache.java:183) at org.ajax4jsf.component.UIDataAdaptor.walk(UIDataAdaptor.java:1021) at org.richfaces.component.UIScrollableDataTable.walk(UIScrollableDataTable.java:335) at org.richfaces.renderkit.html.ScrollableDataTableBaseRenderer.renderAjaxChildren(ScrollableDataTableBaseRenderer.java:726) at org.richfaces.renderkit.html.ScrollableDataTableBaseRenderer.encodeChildren(ScrollableDataTableBaseRenderer.java:793) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:543) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:282) at org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:262) at org.ajax4jsf.renderkit.html.AjaxOutputPanelRenderer.encodeChildren(AjaxOutputPanelRenderer.java:79) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:543) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:282) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:143) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxChildren(AjaxChildrenRenderer.java:86) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:134) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxChildren(AjaxChildrenRenderer.java:86) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:134) at org.ajax4jsf.renderkit.AjaxContainerRenderer.encodeAjax(AjaxContainerRenderer.java:122) at org.ajax4jsf.component.AjaxViewRoot.encodeAjax(AjaxViewRoot.java:553) at org.ajax4jsf.component.AjaxViewRoot$4.invokeRoot(AjaxViewRoot.java:384) at org.ajax4jsf.context.JsfOneOneInvoker.invokeOnRegionOrRoot(JsfOneOneInvoker.java:56) at org.ajax4jsf.context.AjaxContextImpl.invokeOnRegionOrRoot(AjaxContextImpl.java:172) at org.ajax4jsf.component.AjaxViewRoot.encodeChildren(AjaxViewRoot.java:401) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:239) at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:592) at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108) at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:216) at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41) at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:140) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:152) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:143) at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:276) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:595) was: After pressing sort on a column, I'm getting the exception blow: The method with the NPE is: public List<Object> wrapList(List<Object> list) { ELContext elContext = context.getELContext(); VariableMapper mapper = elContext.getVariableMapper(); varValue = mapper.resolveVariable(var); convertList(list, new ObjectConvertor() { public Object convert(Object o) { return wrapObject(o); } }); return list; } I debugged the code and found out, that mapper after the line VariableMapper mapper = elContext.getVariableMapper(); is null. SCHWERWIEGEND: Error Rendering View[/pages/index.xhtml] java.lang.NullPointerException at org.richfaces.model.impl.expressive.ObjectWrapperFactory.wrapList(ObjectWrapperFactory.java:164) at org.richfaces.model.internal.ComponentSortableDataModel.prepareCollection(ComponentSortableDataModel.java:58) at org.richfaces.model.internal.ComponentSortableDataModel.loadData(ComponentSortableDataModel.java:112) at org.richfaces.model.DataModelCache.loadData(DataModelCache.java:153) at org.richfaces.model.ScrollableTableDataModel.walk(ScrollableTableDataModel.java:127) at org.richfaces.model.DataModelCache.walk(DataModelCache.java:183) at org.ajax4jsf.component.UIDataAdaptor.walk(UIDataAdaptor.java:1021) at org.richfaces.component.UIScrollableDataTable.walk(UIScrollableDataTable.java:335) at org.richfaces.renderkit.html.ScrollableDataTableBaseRenderer.renderAjaxChildren(ScrollableDataTableBaseRenderer.java:726) at org.richfaces.renderkit.html.ScrollableDataTableBaseRenderer.encodeChildren(ScrollableDataTableBaseRenderer.java:793) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:543) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:282) at org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:262) at org.ajax4jsf.renderkit.html.AjaxOutputPanelRenderer.encodeChildren(AjaxOutputPanelRenderer.java:79) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:543) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:282) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:143) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxChildren(AjaxChildrenRenderer.java:86) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:134) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxChildren(AjaxChildrenRenderer.java:86) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:134) at org.ajax4jsf.renderkit.AjaxContainerRenderer.encodeAjax(AjaxContainerRenderer.java:122) at org.ajax4jsf.component.AjaxViewRoot.encodeAjax(AjaxViewRoot.java:553) at org.ajax4jsf.component.AjaxViewRoot$4.invokeRoot(AjaxViewRoot.java:384) at org.ajax4jsf.context.JsfOneOneInvoker.invokeOnRegionOrRoot(JsfOneOneInvoker.java:56) at org.ajax4jsf.context.AjaxContextImpl.invokeOnRegionOrRoot(AjaxContextImpl.java:172) at org.ajax4jsf.component.AjaxViewRoot.encodeChildren(AjaxViewRoot.java:401) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:239) at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:592) at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108) at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:216) at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41) at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:140) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:152) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:143) at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:276) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:595) 28.02.2008 14:08:38 javax.faces.webapp._ErrorPageWriter handleException SCHWERWIEGEND: An exception occurred java.lang.NullPointerException at org.richfaces.model.impl.expressive.ObjectWrapperFactory.wrapList(ObjectWrapperFactory.java:164) at org.richfaces.model.internal.ComponentSortableDataModel.prepareCollection(ComponentSortableDataModel.java:58) at org.richfaces.model.internal.ComponentSortableDataModel.loadData(ComponentSortableDataModel.java:112) at org.richfaces.model.DataModelCache.loadData(DataModelCache.java:153) at org.richfaces.model.ScrollableTableDataModel.walk(ScrollableTableDataModel.java:127) at org.richfaces.model.DataModelCache.walk(DataModelCache.java:183) at org.ajax4jsf.component.UIDataAdaptor.walk(UIDataAdaptor.java:1021) at org.richfaces.component.UIScrollableDataTable.walk(UIScrollableDataTable.java:335) at org.richfaces.renderkit.html.ScrollableDataTableBaseRenderer.renderAjaxChildren(ScrollableDataTableBaseRenderer.java:726) at org.richfaces.renderkit.html.ScrollableDataTableBaseRenderer.encodeChildren(ScrollableDataTableBaseRenderer.java:793) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:543) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:282) at org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:262) at org.ajax4jsf.renderkit.html.AjaxOutputPanelRenderer.encodeChildren(AjaxOutputPanelRenderer.java:79) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:543) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:282) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:143) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxChildren(AjaxChildrenRenderer.java:86) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:134) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxChildren(AjaxChildrenRenderer.java:86) at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:134) at org.ajax4jsf.renderkit.AjaxContainerRenderer.encodeAjax(AjaxContainerRenderer.java:122) at org.ajax4jsf.component.AjaxViewRoot.encodeAjax(AjaxViewRoot.java:553) at org.ajax4jsf.component.AjaxViewRoot$4.invokeRoot(AjaxViewRoot.java:384) at org.ajax4jsf.context.JsfOneOneInvoker.invokeOnRegionOrRoot(JsfOneOneInvoker.java:56) at org.ajax4jsf.context.AjaxContextImpl.invokeOnRegionOrRoot(AjaxContextImpl.java:172) at org.ajax4jsf.component.AjaxViewRoot.encodeChildren(AjaxViewRoot.java:401) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:239) at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:592) at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108) at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:216) at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41) at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:140) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:152) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:143) at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:276) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:595) -- This message 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