javax.faces.el.PropertyNotFoundException: javax.el.PropertyNotFoundException: Target Unreachable, identifier 'item' resolved to null
        at com.sun.faces.application.ValueBindingValueExpressionAdapter.setValue(ValueBindingValueExpressionAdapter.java:154)
        at com.icesoft.faces.component.ext.RowSelector.setValue(RowSelector.java:116)
        at com.icesoft.faces.component.ext.RowSelector.processDecodes(RowSelector.java:468)
        at com.icesoft.faces.component.ext.HtmlDataTable.processKids(HtmlDataTable.java:330)
        at com.icesoft.faces.component.ext.HtmlDataTable.iterate(HtmlDataTable.java:285)
        at com.icesoft.faces.component.panelseries.UISeries.processDecodes(UISeries.java:326)
        at javax.faces.component.UIForm.processDecodes(UIForm.java:208)
        at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1026)
        at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1026)
        at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1026)
        at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:540)
        at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:78)
        at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
        at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
        at com.icesoft.faces.webapp.http.core.JsfLifecycleExecutor.apply(JsfLifecycleExecutor.java:50)
        at com.icesoft.faces.webapp.http.core.ReceiveSendUpdates.renderCycle(ReceiveSendUpdates.java:171)
        at com.icesoft.faces.webapp.http.core.ReceiveSendUpdates.service(ReceiveSendUpdates.java:112)
        at com.icesoft.faces.webapp.http.core.RequestVerifier.service(RequestVerifier.java:65)
        at com.icesoft.faces.webapp.http.common.standard.PathDispatcherServer.service(PathDispatcherServer.java:55)
        at com.icesoft.faces.webapp.http.servlet.BasicAdaptingServlet.service(BasicAdaptingServlet.java:48)
        at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:55)
        at com.icesoft.faces.webapp.http.servlet.SessionDispatcher.service(SessionDispatcher.java:95)
        at com.icesoft.faces.webapp.http.servlet.SessionVerifier.service(SessionVerifier.java:58)
        at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:55)
        at com.icesoft.faces.webapp.http.servlet.MainServlet.service(MainServlet.java:186)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        at com.icesoft.faces.webapp.xmlhttp.BlockingServlet.service(BlockingServlet.java:55)
        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)
Caused by: javax.el.PropertyNotFoundException: Target Unreachable, identifier 'item' resolved to null
        at org.apache.el.parser.AstValue.getTarget(AstValue.java:72)
        at org.apache.el.parser.AstValue.setValue(AstValue.java:148)
        at org.apache.el.ValueExpressionImpl.setValue(ValueExpressionImpl.java:249)
        at com.sun.faces.application.ValueBindingValueExpressionAdapter.setValue(ValueBindingValueExpressionAdapter.java:152)
        ... 41 more