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at com.sapportals.htmlb.table.TableView.getColumnCount(TableView.java:539)

hbj:tableview ,when i use model.

06:22_02/04/09_0007_9369850

[EXCEPTION]

java.lang.NullPointerException

at com.sapportals.htmlb.table.TableView.getColumnCount(TableView.java:539)

at com.sapportals.htmlb.unifiedrendering.controls.TableViewRow.<init>(TableViewRow.java:33)

at com.sapportals.htmlb.unifiedrendering.controls.TableView.<init>(TableView.java:50)

at com.sapportals.htmlb.unifiedrendering.ie5.TableViewRenderer.render(TableViewRenderer.java:28)

at com.sapportals.htmlb.rendering.PageContext.render(PageContext.java:987)

at com.sapportals.htmlb.taglib.TableViewTag.doEndTag(TableViewTag.java:139)

at pagelet._sapportalsjsp_admin.subDoContent(_sapportalsjsp_admin.java:544)

at pagelet._sapportalsjsp_admin.doContent(_sapportalsjsp_admin.java:40)

at pagelet._sapportalsjsp_admin.service(_sapportalsjsp_admin.java:24)

at com.sapportals.portal.prt.core.broker.PortalComponentItemFacade.service(PortalComponentItemFacade.java:360)

at com.sapportals.portal.prt.core.broker.PortalComponentItem.service(PortalComponentItem.java:934)

at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:435)

at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:527)

at com.sapportals.portal.prt.component.AbstractComponentResponse.include(AbstractComponentResponse.java:89)

at com.sapportals.portal.prt.component.PortalComponentResponse.include(PortalComponentResponse.java:232)

at com.sapportals.portal.htmlb.page.JSPDynPage.doOutput(JSPDynPage.java:76)

at com.sapportals.htmlb.page.PageProcessor.handleRequest(PageProcessor.java:129)

at com.sapportals.portal.htmlb.page.PageProcessorComponent.doContent(PageProcessorComponent.java:134)

at com.sapportals.portal.prt.component.AbstractPortalComponent.doPreview(AbstractPortalComponent.java:240)

at com.sapportals.portal.prt.component.AbstractPortalComponent.serviceDeprecated(AbstractPortalComponent.java:168)

at com.sapportals.portal.prt.component.AbstractPortalComponent.service(AbstractPortalComponent.java:114)

at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:328)

at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:136)

at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:189)

at com.sapportals.portal.prt.component.PortalComponentResponse.include(PortalComponentResponse.java:215)

at com.sapportals.portal.prt.pom.PortalNode.service(PortalNode.java:645)

at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:328)

at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:136)

at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:189)

at com.sapportals.portal.prt.core.PortalRequestManager.runRequestCycle(PortalRequestManager.java:753)

at com.sapportals.portal.prt.connection.ServletConnection.handleRequest(ServletConnection.java:240)

at com.sapportals.portal.prt.dispatcher.Dispatcher$doService.run(Dispatcher.java:524)

at java.security.AccessController.doPrivileged(Native Method)

at com.sapportals.portal.prt.dispatcher.Dispatcher.service(Dispatcher.java:407)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at com.sap.engine.services.servlets_jsp.server.servlet.InvokerServlet.service(InvokerServlet.java:156)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:401)

at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:266)

at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:386)

at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:364)

at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:1039)

at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:265)

at com.sap.engine.services.httpserver.server.Client.handle(Client.java:95)

at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:175)

at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)

at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)

at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)

at java.security.AccessController.doPrivileged(Native Method)

at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:102)

at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:172)

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