WARN [http-apr-8743-exec-14] org.sakaiproject.cheftool.VelocityPortletPaneledAction.actionDispatch Exception calling method doScheduleContinue java.lang.reflect.InvocationTargetException (Caused by java.time.DateTimeException: Invalid ID for region-based ZoneId, invalid format: Eastern Standard Time)
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.sakaiproject.cheftool.VelocityPortletPaneledAction.actionDispatch(VelocityPortletPaneledAction.java:718)
        at org.sakaiproject.cheftool.VelocityPortletPaneledAction.processAction(VelocityPortletPaneledAction.java:552)
        at org.sakaiproject.cheftool.ToolServlet.doGet(ToolServlet.java:228)
        at org.sakaiproject.cheftool.VelocityPortletPaneledAction.doGet(VelocityPortletPaneledAction.java:1152)
        at org.sakaiproject.cheftool.ToolServlet.doPost(ToolServlet.java:152)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:661)
        at org.sakaiproject.vm.ComponentServlet.service(ComponentServlet.java:56)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:418)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728)
        at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:470)
        at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:356)
        at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:316)
        at org.sakaiproject.tool.impl.ActiveToolComponent$MyActiveTool.forward(ActiveToolComponent.java:513)
        at org.sakaiproject.portal.charon.SkinnableCharonPortal.forwardTool(SkinnableCharonPortal.java:1489)
        at org.sakaiproject.portal.charon.handlers.SiteHandler.doToolBuffer(SiteHandler.java:1227)
        at org.sakaiproject.portal.charon.handlers.SiteHandler.bufferContent(SiteHandler.java:1061)
        at org.sakaiproject.portal.charon.handlers.SiteHandler.doSite(SiteHandler.java:490)
        at org.sakaiproject.portal.charon.handlers.SiteHandler.doGet(SiteHandler.java:266)
        at org.sakaiproject.portal.charon.handlers.SiteHandler.doGet(SiteHandler.java:154)
        at org.sakaiproject.portal.charon.handlers.WorksiteHandler.doPost(WorksiteHandler.java:69)
        at org.sakaiproject.portal.charon.SkinnableCharonPortal.doPost(SkinnableCharonPortal.java:1171)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:661)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:467)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
        at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:685)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800)
        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806)
        at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2388)
        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.time.DateTimeException: Invalid ID for region-based ZoneId, invalid format: Eastern Standard Time
        at java.time.ZoneRegion.checkName(ZoneRegion.java:151)
        at java.time.ZoneRegion.ofId(ZoneRegion.java:116)
        at java.time.ZoneId.of(ZoneId.java:411)
        at java.time.ZoneId.of(ZoneId.java:359)
        at org.sakaiproject.calendar.impl.readers.IcalendarReader.filterEvents(IcalendarReader.java:199)
        at org.sakaiproject.calendar.impl.GenericCalendarImporter.doImport(GenericCalendarImporter.java:954)
        at org.sakaiproject.calendar.cover.CalendarImporterService.doImport(CalendarImporterService.java:100)
        at org.sakaiproject.calendar.cover.CalendarImporterService.doImport(CalendarImporterService.java:91)
        at org.sakaiproject.calendar.tool.CalendarAction.doScheduleContinue(CalendarAction.java:4705)
        ... 57 more