while saving content we are facing an issue. we are getting null pointer exception.
java.lang.NullPointerException
at com.dotmarketing.portlets.calendar.business.RecurrenceUtil.getRecurrenceDates(RecurrenceUtil.java:46) ~[dotcms_4.1.1_999999.jar:?]
at com.dotmarketing.viewtools.content.util.ContentUtils.find(ContentUtils.java:67) [dotcms_4.1.1_999999.jar:?]
at com.dotmarketing.viewtools.content.util.ContentUtils.find(ContentUtils.java:60) [dotcms_4.1.1_999999.jar:?]
at com.dotmarketing.viewtools.content.ContentTool.find(ContentTool.java:114) [dotcms_4.1.1_999999.jar:?]
at sun.reflect.GeneratedMethodAccessor721.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_131]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_131]
at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:372) [dotcms_4.1.1_999999.jar:?]
at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:361) [dotcms_4.1.1_999999.jar:?]
at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:178) [dotcms_4.1.1_999999.jar:?]
at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:285) [dotcms_4.1.1_999999.jar:?]
at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:572) [dotcms_4.1.1_999999.jar:?]
at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:71) [dotcms_4.1.1_999999.jar:?]
at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:150) [dotcms_4.1.1_999999.jar:?]
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:339) [dotcms_4.1.1_999999.jar:?]
at org.apache.velocity.runtime.RuntimeInstance.render(RuntimeInstance.java:1363) [dotcms_4.1.1_999999.jar:?]
at org.apache.velocity.runtime.RuntimeInstance.evaluate(RuntimeInstance.java:1299) [dotcms_4.1.1_999999.jar:?]
at org.apache.velocity.runtime.RuntimeInstance.evaluate(RuntimeInstance.java:1250) [dotcms_4.1.1_999999.jar:?]
at org.apache.velocity.app.VelocityEngine.evaluate(VelocityEngine.java:200) [dotcms_4.1.1_999999.jar:?]
at com.dotmarketing.util.VelocityUtil.parseVelocity(VelocityUtil.java:110) [dotcms_4.1.1_999999.jar:?]
at org.apache.jsp.html.portlet.ext.contentlet.field.edit_005ffield_jsp._jspService(edit_005ffield_jsp.java:2226) [ROOT/:?]
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) [jasper.jar:8.0.18]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:431) [jasper.jar:8.0.18]
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396) [jasper.jar:8.0.18]
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340) [jasper.jar:8.0.18]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:721) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:584) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:523) [catalina.jar:8.0.18]
at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:934) [jasper.jar:8.0.18]
at org.apache.jsp.html.portlet.ext.contentlet.edit_005fcontentlet_jsp._jspService(edit_005fcontentlet_jsp.java:3422) [ROOT/:?]
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) [jasper.jar:8.0.18]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:431) [jasper.jar:8.0.18]
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396) [jasper.jar:8.0.18]
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340) [jasper.jar:8.0.18]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:721) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:584) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:523) [catalina.jar:8.0.18]
at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:934) [jasper.jar:8.0.18]
at org.apache.jsp.html.portal.layout_005fportal_jsp._jspService(layout_005fportal_jsp.java:591) [ROOT/:?]
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) [jasper.jar:8.0.18]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:431) [jasper.jar:8.0.18]
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396) [jasper.jar:8.0.18]
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340) [jasper.jar:8.0.18]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:721) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:584) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:523) [catalina.jar:8.0.18]
at com.liferay.portlet.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:209) [dotcms_4.1.1_999999.jar:?]
at com.liferay.portal.struts.PortletRequestProcessor.doInclude(PortletRequestProcessor.java:344) [dotcms_4.1.1_999999.jar:?]
at com.liferay.portal.struts.PortletRequestProcessor.doForward(PortletRequestProcessor.java:319) [dotcms_4.1.1_999999.jar:?]
at com.dotcms.repackage.org.apache.struts.tiles.TilesRequestProcessor.processTilesDefinition(TilesRequestProcessor.java:237) [dot.struts-1.2.4_2.jar:1.2.4]
at com.dotcms.repackage.org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:300) [dot.struts-1.2.4_2.jar:1.2.4]
at com.dotcms.repackage.com.oroad.stxx.plugin.StxxTilesRequestProcessor.processForwardConfig(StxxTilesRequestProcessor.java:134) [dot.stxx-1.3_2.jar:?]
at com.liferay.portal.struts.PortletRequestProcessor.processForwardConfig(PortletRequestProcessor.java:205) [dotcms_4.1.1_999999.jar:?]
at com.dotcms.repackage.org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:231) [dot.struts-1.2.4_2.jar:1.2.4]
at com.liferay.portal.struts.PortletRequestProcessor.process(PortletRequestProcessor.java:91) [dotcms_4.1.1_999999.jar:?]
at com.liferay.portlet.StrutsPortlet.include(StrutsPortlet.java:148) [dotcms_4.1.1_999999.jar:?]
at com.liferay.portlet.StrutsPortlet.doView(StrutsPortlet.java:100) [dotcms_4.1.1_999999.jar:?]
at com.dotcms.repackage.javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:235) [dot.portlet-1.0_2.jar:?]
at com.dotcms.repackage.javax.portlet.GenericPortlet.render(GenericPortlet.java:163) [dot.portlet-1.0_2.jar:?]
at com.liferay.portlet.CachePortlet.render(CachePortlet.java:159) [dotcms_4.1.1_999999.jar:?]
at org.apache.jsp.html.portal.layout_jsp._jspService(layout_jsp.java:618) [ROOT/:?]
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) [jasper.jar:8.0.18]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:431) [jasper.jar:8.0.18]
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396) [jasper.jar:8.0.18]
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340) [jasper.jar:8.0.18]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:721) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:584) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:523) [catalina.jar:8.0.18]
at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:934) [jasper.jar:8.0.18]
at org.apache.jsp.html.portal.layout_005fportal_jsp._jspService(layout_005fportal_jsp.java:1351) [ROOT/:?]
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) [jasper.jar:8.0.18]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:431) [jasper.jar:8.0.18]
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396) [jasper.jar:8.0.18]
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340) [jasper.jar:8.0.18]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:721) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:466) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:391) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:318) [catalina.jar:8.0.18]
at com.liferay.portal.struts.StrutsUtil.forward(StrutsUtil.java:72) [dotcms_4.1.1_999999.jar:?]
at com.liferay.portal.struts.PortalRequestProcessor.doForward(PortalRequestProcessor.java:142) [dotcms_4.1.1_999999.jar:?]
at com.dotmarketing.struts.PortalRequestProcessor.doForward(PortalRequestProcessor.java:51) [dotcms_4.1.1_999999.jar:?]
at com.dotcms.repackage.org.apache.struts.tiles.TilesRequestProcessor.processTilesDefinition(TilesRequestProcessor.java:237) [dot.struts-1.2.4_2.jar:1.2.4]
at com.dotcms.repackage.org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:300) [dot.struts-1.2.4_2.jar:1.2.4]
at com.dotcms.repackage.com.oroad.stxx.plugin.StxxTilesRequestProcessor.processForwardConfig(StxxTilesRequestProcessor.java:134) [dot.stxx-1.3_2.jar:?]
at com.dotcms.repackage.org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:231) [dot.struts-1.2.4_2.jar:1.2.4]
at com.liferay.portal.struts.PortalRequestProcessor.process(PortalRequestProcessor.java:128) [dotcms_4.1.1_999999.jar:?]
at com.dotcms.repackage.org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164) [dot.struts-1.2.4_2.jar:1.2.4]
at com.dotcms.repackage.org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397) [dot.struts-1.2.4_2.jar:1.2.4]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:618) [servlet-api.jar:?]
at com.liferay.portal.servlet.MainServlet.callParentService(MainServlet.java:281) [dotcms_4.1.1_999999.jar:?]
at com.liferay.portal.servlet.MainServlet.service(MainServlet.java:510) [dotcms_4.1.1_999999.jar:?]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at com.dotcms.repackage.com.liferay.filters.secure.SecureFilter.doFilter(SecureFilter.java:135) [dot.secure-filter-ukv_2.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at com.dotmarketing.filters.CMSFilter.doFilter(CMSFilter.java:265) [dotcms_4.1.1_999999.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at com.dotcms.filters.interceptor.AbstractWebInterceptorSupportFilter.doFilter(AbstractWebInterceptorSupportFilter.java:73) [dotcms_4.1.1_999999.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at com.dotcms.filters.interceptor.AbstractWebInterceptorSupportFilter.doFilter(AbstractWebInterceptorSupportFilter.java:73) [dotcms_4.1.1_999999.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at com.dotmarketing.cms.urlmap.filters.URLMapFilter.doFilter(URLMapFilter.java:308) [dotcms_4.1.1_999999.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at com.dotcms.repackage.org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:404) [dot.urlrewritefilter-4.0.3_2.jar:4.0.3]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at com.dotmarketing.filters.TimeMachineFilter.doFilter(TimeMachineFilter.java:134) [dotcms_4.1.1_999999.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at com.dotmarketing.filters.ThreadNameFilter.doFilter(ThreadNameFilter.java:90) [dotcms_4.1.1_999999.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at com.dotmarketing.filters.CookiesFilter.doFilter(CookiesFilter.java:33) [dotcms_4.1.1_999999.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at com.dotmarketing.filters.CharsetEncodingFilter.doFilter(CharsetEncodingFilter.java:110) [dotcms_4.1.1_999999.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.18]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.18]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.18]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.18]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501) [catalina.jar:8.0.18]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.18]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.18]
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.18]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.18]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.18]
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.18]
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.18]
at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.18]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.18]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.18]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_131]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_131]
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.18]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]