3713850 - Metric "Web Service Status" displays red rating with error message: "1 error in component Webserv, Error: Invalid data retreave"

In FRUN System Monitoring UI, metric "Web Service Status" displays red rating with error message "1 error in component Webserv, Error: Invalid data retreave".

In Java defaultTrace.file (/usr/sap/<SID>/<InstID>/j2ee/cluster/serverX/log/defaultTrace*.trc), numerous entries from com.sap.engine.heartbeat.ServerGRMGApplication are showing:

MON#sap.com/com.sap.engine.heartbeat#C0000A6402509C8100000011002C0C43#29955250000000004#sap.com/com.sap.engine.heartbeat#com.sap.engine.heartbeat.ServerGRMGApplication#0#34C34FFB017B11F19C10000001C914B2#34c34ffb017b11f19c10000001c914b2#0#Thread[HTTP Worker [@699215269],5,Dedicated_Application_Thread]#Plain#
Exception from fqdn wsproxy
[EXCEPTION]
javax.xml.ws.WebServiceException: com.sap.engine.services.webservices.espbase.wsdl.exceptions.WSDLException: Peer certificate rejected by ChainVerifier
    at com.sap.engine.services.webservices.espbase.client.jaxws.core.SAPServiceDelegate.loadWSDLDefinitions(SAPServiceDelegate.java:222)
    at com.sap.engine.services.webservices.espbase.client.jaxws.core.SAPServiceDelegate.<init>(SAPServiceDelegate.java:128)
    at com.sap.engine.services.webservices.espbase.client.jaxws.cts.CTSProvider.createDelegate(CTSProvider.java:179)
    at com.sap.engine.services.webservices.espbase.client.jaxws.cts.CTSProvider.createServiceDelegate(CTSProvider.java:160)
    at javax.xml.ws.Service.<init>(Service.java:77)

...

MON#sap.com/com.sap.engine.heartbeat#C0000A6402509C8100000013002C0C43#29955250000000004#sap.com/com.sap.engine.heartbeat#com.sap.engine.heartbeat.ServerGRMGApplication#J2EE_GST_SJV#0#34C34FFB017B11F19C10000001C914B2#34c34ffb017b11f19c10000001c914b2#0#Thread[HTTP Worker [@699215269],5,Dedicated_Application_Thread]#Plain#
Heartbeat: Invalid data retreave.

...

Cannot find proper preconfigured logical port of GRMGWSTestBeanVI_Rpc:
[EXCEPTION]
com.sap.engine.services.webservices.jaxrpc.exceptions.WebserviceClientException: Port with name <...> is not available for client <GRMGWSTest>.
    at com.sap.engine.services.webservices.espbase.client.bindings.DynamicServiceImpl._getPortBindingData(DynamicServiceImpl.java:613)
    at com.sap.engine.services.webservices.espbase.client.bindings.DynamicServiceImpl.createClientConfiguration(DynamicServiceImpl.java:601)
    at com.sap.engine.services.webservices.espbase.client.bindings.DynamicServiceImpl.getPort(DynamicServiceImpl.java:399)
    at com.sap.engine.heartbeat.proxies.GRMGWSTestImpl.getLogicalPort(GRMGWSTestImpl.java:20)
    at com.sap.engine.heartbeat.ServerGRMGApplication.getConfiguredProxy(ServerGRMGApplication.java:452)
    at com.sap.engine.heartbeat.ServerGRMGApplication.testWebServices(ServerGRMGApplication.java:479)
    at com.sap.engine.heartbeat.ServerGRMGApplication.processComponents(ServerGRMGApplication.java:197)
    at com.sap.engine.heartbeat.ServerGRMGApplication.doPost(ServerGRMGApplication.java:121)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.

SAP Focused Run

SAP Focused Run, FRUN, Web Service Status, "1 error in component Webserv, "Error: Invalid data retreave", com.sap.engine.heartbeat.ServerGRMGApplication, Peer certificate rejected by ChainVerifier, Heartbeat: Invalid data retreave, GRMGWSTestBeanVI_Rpc, port, logical port, <logical_port_name>, GRMG, Heartbeat, Availability Monitoring, GRMGWSTest, FQDN, certificates, https, J2EE ENGINE LM-CORE , KBA , SV-FRN-INF-MAI , FRUN: Monitoring and Application Infrastructure (MAI) , Problem