java.lang.NullPointerException at com.icefaces.support.example.LoginBean.getNumConceptsTest(LoginBean.java:108) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at javax.el.BeanELResolver.getValue(BeanELResolver.java:62) at com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176) at com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203) at org.apache.el.parser.AstValue.getValue(AstValue.java:123) at org.apache.el.parser.AstNotEqual.getValue(AstNotEqual.java:37) at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186) at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:109) at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:194) at javax.faces.component.UIComponentBase.isRendered(UIComponentBase.java:413) at com.icesoft.faces.component.panelseries.UISeries.isRendered(UISeries.java:686) at com.icesoft.faces.component.util.CustomComponentUtils.isAncestorRendered(CustomComponentUtils.java:604) at com.icesoft.faces.component.panelseries.UISeries.getValue(UISeries.java:577) at com.icesoft.faces.component.panelseries.UISeries.getDataModel(UISeries.java:357) at com.icesoft.faces.component.panelseries.UISeries.processCurrentRowData(UISeries.java:143) at com.icesoft.faces.component.panelseries.UISeries.setRowIndex(UISeries.java:135) at com.icesoft.faces.component.panelseries.UISeries.visitTree(UISeries.java:803) at javax.faces.component.UIComponent.visitTree(UIComponent.java:1600) at javax.faces.component.UIForm.visitTree(UIForm.java:344) at javax.faces.component.UIComponent.visitTree(UIComponent.java:1600) at javax.faces.component.UIComponent.visitTree(UIComponent.java:1600) at com.sun.faces.application.view.StateManagementStrategyImpl.saveView(StateManagementStrategyImpl.java:160) at com.sun.faces.application.StateManagerImpl.saveView(StateManagerImpl.java:133) at com.sun.faces.application.view.WriteBehindStateWriter.flushToWriter(WriteBehindStateWriter.java:225) at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:418) at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:131) at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:121) at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:410) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) 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:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) 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:298) at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:859) at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:579) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1555) at java.lang.Thread.run(Thread.java:619)