Exception when using selectManyCheckbox with SelectItemGroup and lineDirection layout:


SEVERE: Problem encountered during View.servePage
javax.faces.FacesException: java.lang.NullPointerException
        at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:128)
        at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
        at com.icesoft.faces.webapp.http.core.JsfLifecycleExecutor.apply(JsfLifecycleExecutor.java:17)
        at com.icesoft.faces.context.View$2$1.respond(View.java:47)
        at com.icesoft.faces.webapp.http.servlet.ServletRequestResponse.respondWith(ServletRequestResponse.java:197)
        at com.icesoft.faces.webapp.http.servlet.ThreadBlockingAdaptingServlet$ThreadBlockingRequestResponse.respondWith(ThreadBlockingAdaptingServlet.java:36)
        at com.icesoft.faces.context.View$2.serve(View.java:72)
        at com.icesoft.faces.context.View.servePage(View.java:133)
        at com.icesoft.faces.webapp.http.core.SingleViewServer.service(SingleViewServer.java:52)
        at com.icesoft.faces.webapp.http.common.ServerProxy.service(ServerProxy.java:11)
        at com.icesoft.faces.webapp.http.servlet.MainSessionBoundServlet$4.service(MainSessionBoundServlet.java:114)
        at com.icesoft.faces.webapp.http.common.standard.PathDispatcherServer.service(PathDispatcherServer.java:24)
        at com.icesoft.faces.webapp.http.servlet.MainSessionBoundServlet.service(MainSessionBoundServlet.java:160)
        at com.icesoft.faces.webapp.http.servlet.SessionDispatcher$1.service(SessionDispatcher.java:42)
        at com.icesoft.faces.webapp.http.servlet.ThreadBlockingAdaptingServlet.service(ThreadBlockingAdaptingServlet.java:19)
        at com.icesoft.faces.webapp.http.servlet.EnvironmentAdaptingServlet.service(EnvironmentAdaptingServlet.java:63)
        at com.icesoft.faces.webapp.http.servlet.SessionDispatcher.service(SessionDispatcher.java:62)
        at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:23)
        at com.icesoft.faces.webapp.http.servlet.MainServlet.service(MainServlet.java:153)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:630)
        at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
        at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
        at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
        at org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:696)
        at org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:667)
        at org.apache.jsp.index_jsp._jspService(index_jsp.java:58)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        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: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:845)
        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:619)
Caused by: java.lang.NullPointerException
        at com.icesoft.faces.renderkit.dom_html_basic.SelectManyCheckboxListRenderer.encodeEnd(SelectManyCheckboxListRenderer.java:137)
        at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:848)
        at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:528)
        at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:522)
        at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:522)
        at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:481)
        at com.icesoft.faces.application.D2DViewHandler.renderView(D2DViewHandler.java:153)
        at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)
        at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
        ... 46 more