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java.lang.NullPointerException: 	at com.sun.faces.portlet.FacesPortlet.getLifecycle(FacesPortlet.java:170)	at com.sun.faces.portlet.FacesPortlet.render(FacesPortlet.java:294)	at com.liferay.portal.shared.servlet.PortletServlet.service(PortletServlet.java:94)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)	at com.liferay.portlet.CachePortlet._invoke(CachePortlet.java:297)	at com.liferay.portlet.CachePortlet.render(CachePortlet.java:155)	at org.apache.jsp.html.portal.render_005fportlet_jsp._jspService(render_005fportlet_jsp.java:621)	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)	at com.liferay.portal.util.PortalUtil.renderPortlet(PortalUtil.java:882)	at com.liferay.portal.action.RenderPortletAction.execute(RenderPortletAction.java:65)	at com.liferay.portal.action.UpdateLayoutAction.execute(UpdateLayoutAction.java:137)	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)	at com.liferay.portal.struts.PortalRequestProcessor.process(PortalRequestProcessor.java:183)	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)	at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)	at com.liferay.portal.servlet.MainServlet.callParentService(MainServlet.java:426)	at com.liferay.portal.servlet.MainServlet.service(MainServlet.java:830)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)	at com.liferay.filters.strip.StripFilter.doFilter(StripFilter.java:94)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)	at com.liferay.filters.secure.SecureFilter.doFilter(SecureFilter.java:134)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)	at com.liferay.filters.compression.CompressionFilter.doFilter(CompressionFilter.java:116)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)