EM 13.5c: Frequent Alerts 'ADFC-00029: Attempt to acquire the root view port request lock failed due to a timeout' From OMS (Doc ID 2976761.1)

Host=<Host>
Target type=Oracle Management Service
Target name=<Target>_Management_Service
Categories=Diagnostics, Error
Message=Incident (ADFC-00029 [ADFc]) detected in <EM_Base_Dir>gc_inst/user_projects/domains/GCDomain/servers/EMGC_OMS1/adr/diag/ofm/EMGC_DOMAIN/EMOMS/alert/log.xml at time/line number
Severity=Critical
Operating System=Linux Platform=x86_64
Event Type=Metric
Alert Event name=adrAlertLogIncidentError:genericIncidentErrStack
Metric Group=Incident
Metric=Diagnostic Incident
Metric value=Errors in directory: <EM_Base_Dir>/gc_inst/user_projects/domains/GCDomain/servers/EMGC_OMS1/adr/diag/ofm/EMGC_DOMAIN/EMOMS/incident/incdir_1575 (incident=1575):~ADFC-00029: Attempt to acquire the root view port request lock failed due to a timeout.

<Sep 13, 2023 8:21:08,386 AM EDT> <Error> <oracle.adfinternal.controller.state.RootViewPortContextImpl> <ADFC-50015> <ADFc: Attempt to acquire root view port request lock failed due to timeout, holding request number = '198', lock was acquired by thread '[ACTIVE] ExecuteThread: '99' for queue: 'weblogic.kernel.Default (self-tuning)''.>
<Sep 13, 2023 8:22:17,101 AM EDT> <Warning> <oracle.dfw.incident> <DFW-40126> <incident with Problem Key "ADFC-00029 [ADFc]" could not be created due to lack of available disk space for incidents; configured maximum is 5,368,709,120 bytes and used is 5,391,649,007 bytes>
<Sep 13, 2023 8:22:17,101 AM EDT> <Warning> <oracle.adfinternal.view.faces.context.RichExceptionHandler> <BEA-000000> <ADF_FACES-60098:Faces lifecycle receives unhandled exceptions in phase RESTORE_VIEW 1
oracle.adf.controller.ControllerException: ADFC-00029: Attempt to acquire the root view port request lock failed due to a timeout.
    at oracle.adfinternal.controller.application.SyncNavigationStateListener.beforePhase(SyncNavigationStateListener.java:263)
    at oracle.adfinternal.controller.lifecycle.ADFLifecycleImpl$PagePhaseListenerWrapper.beforePhase(ADFLifecycleImpl.java:559)
    at oracle.adfinternal.controller.lifecycle.LifecycleImpl.internalDispatchBeforeEvent(LifecycleImpl.java:104)

<Sep 13, 2023 8:22:17,102 AM EDT> <Error> <oracle.adfinternal.view.faces.context.RichExceptionHandler> <BEA-000000> <ADF_FACES-30200:For more information, please see the server's error log for an entry beginning with: The UIViewRoot is null. Fatal exception during PhaseId: RESTORE_VIEW 1.
oracle.adf.controller.ControllerException: ADFC-00029: Attempt to acquire the root view port request lock failed due to a timeout.
   at oracle.adfinternal.controller.application.SyncNavigationStateListener.beforePhase(SyncNavigationStateListener.java:263)
   at oracle.adfinternal.controller.lifecycle.ADFLifecycleImpl$PagePhaseListenerWrapper.beforePhase(ADFLifecycleImpl.java:559)