java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at java.util.GregorianCalendar.computeFields(GregorianCalendar.java:2026)
at java.util.GregorianCalendar.computeFields(GregorianCalendar.java:1996)
at java.util.Calendar.setTimeInMillis(Calendar.java:1104)
at java.util.GregorianCalendar.(GregorianCalendar.java:576)
at java.util.Calendar.createCalendar(Calendar.java:1006)
at java.util.Calendar.getInstance(Calendar.java:988)
at com.icesoft.faces.component.selectinputdate.SelectInputDateRenderer.encodeEnd(SelectInputDateRenderer.java:403)
at com.icesoft.faces.renderkit.dom_html_basic.DomBasicRenderer.encodeParentAndChildren(DomBasicRenderer.java:362)
at com.icesoft.faces.renderkit.dom_html_basic.GroupRenderer.encodeChildren(GroupRenderer.java:92)
at com.icesoft.faces.renderkit.dom_html_basic.DomBasicRenderer.encodeParentAndChildren(DomBasicRenderer.java:352)
at com.icesoft.faces.renderkit.dom_html_basic.GroupRenderer.encodeChildren(GroupRenderer.java:92)
at com.icesoft.faces.component.util.CustomComponentUtils.renderChild(CustomComponentUtils.java:339)
at com.icesoft.faces.component.paneltabset.PanelTabSetRenderer.writeTabCell(PanelTabSetRenderer.java:927)
at com.icesoft.faces.component.paneltabset.PanelTabSetRenderer.encodeEnd(PanelTabSetRenderer.java:423)
at com.icesoft.faces.renderkit.dom_html_basic.DomBasicRenderer.encodeParentAndChildren(DomBasicRenderer.java:362)
at com.icesoft.faces.renderkit.dom_html_basic.DomBasicRenderer.encodeParentAndChildren(DomBasicRenderer.java:358)
at com.icesoft.faces.renderkit.dom_html_basic.GroupRenderer.encodeChildren(GroupRenderer.java:92)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:539)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:543)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:543)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:543)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:543)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:543)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:543)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:543)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:543)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:543)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:543)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:543)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:543)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:543)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:543)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:543)
at com.icesoft.faces.facelets.D2DFaceletViewHandler.renderResponse(D2DFaceletViewHandler.java:286)
at com.icesoft.faces.application.D2DViewHandler.renderView(D2DViewHandler.java:161)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
at com.icesoft.faces.webapp.http.core.JsfLifecycleExecutor.apply(JsfLifecycleExecutor.java:18)
at com.icesoft.faces.webapp.http.core.ReceiveSendUpdates.renderCycle(ReceiveSendUpdates.java:54)
at com.icesoft.faces.webapp.http.core.ReceiveSendUpdates.service(ReceiveSendUpdates.java:42)
at com.icesoft.faces.webapp.http.core.IDVerifier.service(IDVerifier.java:25)
at com.icesoft.faces.webapp.http.core.ViewBoundServer.service(ViewBoundServer.java:63)
at com.icesoft.faces.webapp.http.common.standard.PathDispatcherServer$Matcher.serviceOnMatch(PathDispatcherServer.java:50)
at com.icesoft.faces.webapp.http.common.standard.PathDispatcherServer.service(PathDispatcherServer.java:19)
at com.icesoft.faces.webapp.http.servlet.ThreadBlockingAdaptingServlet.service(ThreadBlockingAdaptingServlet.java:19)
at com.icesoft.faces.webapp.http.servlet.EnvironmentAdaptingServlet.service(EnvironmentAdaptingServlet.java:29)
at com.icesoft.faces.webapp.http.servlet.MainSessionBoundServlet.service(MainSessionBoundServlet.java:105)
at com.icesoft.faces.webapp.http.servlet.SessionDispatcher.service(SessionDispatcher.java:37)
at com.icesoft.faces.webapp.http.servlet.PathDispatcher$Matcher.serviceOnMatch(PathDispatcher.java:52)
at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:29)
at com.icesoft.faces.webapp.http.servlet.MainServlet.service(MainServlet.java:76)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
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:687)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:469)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:364)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
at com.icesoft.faces.webapp.xmlhttp.BlockingServlet.service(BlockingServlet.java:54)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
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:230)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
at java.lang.Thread.run(Thread.java:619)

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