2637838 - NWA "System Overview" shows grey lights and N/A status - Best Practices for Troubleshooting

NWA "System Overview" shows blank page or grey lights and N/A status:

DefaultTrace<X> files might show the following exceptions:

• EXCEPTION 1:

#BC-ESI-WS-JAV-RT#
[...]
Invalid Response code (401). Server [http://<hostname>:5<XX>13/<There might be SAPControl.cgi, SAPCCMS.cgi, etc>] returned message [Unauthorized]. Http proxy info:  none
[EXCEPTION]
com.sap.engine.services.webservices.espbase.client.bindings.exceptions.TransportBindingException: Invalid Response code (401). Server [http://<hostname>:<port>/SAPControl.cgi] returned message [Unauthorized]. Http proxy info:  none
[...]
 at com.sap.engine.services.webservices.espbase.client.bindings.impl.SOAPTransportBinding.handleSOAPResponseMessage(SOAPTransportBinding.java:595)
[...] 
 at p1469812098348.SAPControl_Stub.j2EEGetProcessList(SAPControl_Stub.java:485)
 at com.sap.tc.lm.itsam.core.techsystem.SAP_ITSAMJ2eeInstanceBootstrap_Impl.refreshJ2eeProcesses(SAP_ITSAMJ2eeInstanceBootstrap_Impl.java:162)
 at com.sap.tc.lm.itsam.core.techsystem.SAP_ITSAMJ2eeInstanceBootstrap_Impl.getSAP_ITSAMJ2eeInstanceBootstrapJ2eeProcessPartComponent(SAP_ITSAMJ2eeInstanceBootstrap_Impl.java:1081)
 at com.sap.tc.lm.itsam.core.techsystem.SAP_ITSAMJ2eeInstanceBootstrapWrapper.getAttribute(SAP_ITSAMJ2eeInstanceBootstrapWrapper.java:474)
[...]

• EXCEPTION 2:

#BC-ESI-WS-JAV-RT#
[...]
Invalid Response code (401). Server [http://<hostname>:5<XX>13/<There might be SAPControl.cgi, SAPCCMS.cgi, etc>] returned message [Unauthorized]. Http proxy info:  none
[EXCEPTION]
com.sap.engine.services.webservices.espbase.client.bindings.exceptions.TransportBindingException: Invalid Response code (401). Server [http://<hostname>:<port>] returned message [Unauthorized]. Http proxy info:  none
 at com.sap.engine.services.webservices.espbase.client.bindings.impl.SOAPTransportBinding.handleSOAPResponseMessage(SOAPTransportBinding.java:596)
[...]
 at com.sap.engine.services.webservices.espbase.client.jaxws.core.WSInvocationHandler.processTransportBindingCall(WSInvocationHandler.java:168)
[...]
 at com.sun.proxy.$Proxy<XXXX>.<a certain method>(Unknown Source)
[...]
 at com.sap.monitoring.ws.JEEMONWS.retrieveSystemState(JEEMONWS.java:89)
[...]

• The following entries might be found for both exceptions:

#BC-JAS-ADM-MON#
[...]
System State Retrieval failed:
[EXCEPTION]
javax.xml.ws.WebServiceException: Invalid Response code (401). Server [http://<host>:5<XX>13/<There might be SAPControl.cgi, SAPCCMS.cgi, etc>] returned message [Unauthorized]. Http proxy info:  none
[...]

• EXCEPTION 3:

[...]
#Error#com.sap.monitoring.ws.JEEMONWS#
#BC-JAS-ADM-MON#sap.com/tc~monitoring~webservice~app#C0000A000044150F0000000200BE00E6#719055850000000005#sap.com/tc~monitoring~webservice~app#com.sap.monitoring.ws.JEEMONWS#Guest#0##3C501437EBA011E9ACCA00002ADBEBEA#3c501437eba011e9acca00002adbebea##0#Thread[HTTP Worker [@1595791951],5,Dedicated_Application_Thread]#Plain##
JEEMONWS: Access denied due to MBean permissions#
[...]

• EXCEPTION 4:

[...]
com.sap.engine.services.jmx.exception.JmxSecurityException: Caller RUNAS_dnmmrm not authorized, required permission missing (javax.management.MBeanPermission -\#registerProvider)
[...]
Caused by: java.security.AccessControlException: access denied (javax.management.MBeanPermission -\#registerProvider
[...]

• EXCEPTION 5:

[...]
Problem with InformationRetrievalController
[EXCEPTION]
javax.xml.ws.WebServiceException: com.sap.engine.services.webservices.espbase.wsdl.exceptions.WSDLException: Server returned HTTP response code: 407 for URL: <proxy host>
[...]
Caused by: java.io.IOException: Server returned HTTP response code: 407 for URL: <proxy host
[...]

• Sometimes no relevant exceptions or entries can be found in DefaultTrace<X> files.

SAP NetWeaver Application Server for Java 7.1X/7.2/7.3X/7.4/7.5

System Overview, Overall Status, Availability and Performance, grey, gray, gery lights, gray lights, N/A, N/A status, status N/A, sapcontrol, sapcontrol service, sapstartsrv, system monitoring, monitoring, CCMS monitoring, sapccms, Unauthorized, TransportBindingException, com.sap.tc.lm.itsam.core.techsystem, com.sun.proxy.$Proxy, WebServiceException , KBA , BC-JAS-ADM-MON , Monitoring , BC-CCM-MON , CCMS Monitoring & Alerting , BC-CST-STS , Startup Service , BC-JAS-ADM-ADM , Administration , BC-JAS-WEB , Web Container, HTTP, JavaMail, Servlets , BC-JAS-SEC-AUT , ACLs, J2EE Roles, UME Actions , BC-NWA-INC-DEV , Development Tools (generators, plugins, etc) , BC-JAS-ADM-LOG , Logging , BC-ESI-WS-JAV-RT , Runtime , Problem