We did not observed any problem on the Dashboard/Portal, but why we see the following error in portal.log file:
27 mar 2020 00:41:39,998 ERROR [PortletLocalServiceImpl:838] com.liferay.portal.kernel.xml.DocumentException: Error on line 44 of document : cvc-complex-type.2.4.a: Invalid content was found starting with element 'active'. One of '{"http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":security-role-ref, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-processing-event, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-publishing-event, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-public-render-parameter, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":container-runtime-option}' is expected. Nested exception: cvc-complex-type.2.4.a: Invalid content was found starting with element 'active'. One of '{"http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":security-role-ref, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-processing-event, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-publishing-event, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-public-render-parameter, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":container-runtime-option}' is expected.
com.liferay.portal.kernel.xml.DocumentException: Error on line 44 of document : cvc-complex-type.2.4.a: Invalid content was found starting with element 'active'. One of '{"http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":security-role-ref, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-processing-event, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-publishing-event, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-public-render-parameter, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":container-runtime-option}' is expected. Nested exception: cvc-complex-type.2.4.a: Invalid content was found starting with element 'active'. One of '{"http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":security-role-ref, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-processing-event, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-publishing-event, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-public-render-parameter, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":container-runtime-option}' is expected.
at com.liferay.portal.xml.SAXReaderImpl.read(SAXReaderImpl.java:428)
at com.liferay.portal.xml.SAXReaderImpl.read(SAXReaderImpl.java:446)
at com.liferay.portal.kernel.xml.SAXReaderUtil.read(SAXReaderUtil.java:187)
at com.liferay.portal.service.impl.PortletLocalServiceImpl._readPortletXML(PortletLocalServiceImpl.java:2060)
at com.liferay.portal.service.impl.PortletLocalServiceImpl.initWAR(PortletLocalServiceImpl.java:782)
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 com.liferay.portal.spring.aop.ServiceBeanMethodInvocation.proceed(ServiceBeanMethodInvocation.java:117)
at com.liferay.portal.spring.aop.ServiceBeanAopProxy.invoke(ServiceBeanAopProxy.java:218)
at com.sun.proxy.$Proxy71.initWAR(Unknown Source)
at com.liferay.portal.service.PortletLocalServiceUtil.initWAR(PortletLocalServiceUtil.java:423)
at com.liferay.portal.deploy.hot.PortletHotDeployListener.doInvokeDeploy(PortletHotDeployListener.java:298)
at com.liferay.portal.deploy.hot.PortletHotDeployListener.invokeDeploy(PortletHotDeployListener.java:120)
at com.liferay.portal.deploy.hot.HotDeployImpl.doFireDeployEvent(HotDeployImpl.java:214)
at com.liferay.portal.deploy.hot.HotDeployImpl.fireDeployEvent(HotDeployImpl.java:98)
at com.liferay.portal.kernel.deploy.hot.HotDeployUtil.fireDeployEvent(HotDeployUtil.java:28)
at com.liferay.portal.kernel.servlet.PluginContextListener.fireDeployEvent(PluginContextListener.java:164)
at com.liferay.portal.kernel.servlet.PluginContextListener.doPortalInit(PluginContextListener.java:154)
at com.liferay.portal.kernel.util.BasePortalLifecycle.portalInit(BasePortalLifecycle.java:44)
at com.liferay.portal.kernel.util.PortalLifecycleUtil.register(PortalLifecycleUtil.java:74)
at com.liferay.portal.kernel.util.PortalLifecycleUtil.register(PortalLifecycleUtil.java:58)
at com.liferay.portal.kernel.util.BasePortalLifecycle.registerPortalLifecycle(BasePortalLifecycle.java:54)
at com.liferay.portal.kernel.servlet.PluginContextListener.contextInitialized(PluginContextListener.java:116)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4685)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5146)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
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: org.dom4j.DocumentException: Error on line 44 of document : cvc-complex-type.2.4.a: Invalid content was found starting with element 'active'. One of '{"http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":security-role-ref, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-processing-event, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-publishing-event, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-public-render-parameter, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":container-runtime-option}' is expected. Nested exception: cvc-complex-type.2.4.a: Invalid content was found starting with element 'active'. One of '{"http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":security-role-ref, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-processing-event, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-publishing-event, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":supported-public-render-parameter, "http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd":container-runtime-option}' is expected.
at org.dom4j.io.SAXReader.read(SAXReader.java:482)
at org.dom4j.io.SAXReader.read(SAXReader.java:365)
at com.liferay.portal.xml.SAXReaderImpl.read(SAXReaderImpl.java:425)
... 44 more