webMethods Knowlegebase : Software AG Command Central reports Universal Messaging status unresponsive though it is running and listening (1794754)

Problem

User reported issue with Universal Messaging (UM) realm runtime status showing in Command Central (CCE) as "unresponsive".

However, the realm is accessible fine via any UM client, like Enterprise Manager (EM) or Integration Server.

Output of CCE sagcc command:

sagcc get monitoring runtimestatus local Universal-Messaging-umserver

Runtime Status

UNRESPONSIVE

Same status for Universal-Messaging-umserver is shown in SPM UI:

http://localhost:8092/spm/monitoring/state/

which makes it clear that this is SPM (Service Platform Manager)-UM connection issue.

Symptom seen in SPM wrapper.log:

"INFO | jvm 1 | 2019/02/12 15:33:20 | 2019/02/12 15:33:20 DEBUG # NirvanaInterfaceFactoryServiceImpl NirvanaInterfaceFactoryServiceImpl.createRealmNode() for runtime component Universal-Messaging-umserver trying the interface: nhp0 with rname: nhp://0.0.0.0:9000

INFO | jvm 1 | 2019/02/12 15:33:20 | 2019/02/12 15:33:20 DEBUG # NirvanaInterfaceFactoryServiceImpl NirvanaInterfaceFactoryServiceImpl.createRealmNode() for runtime component Universal-Messaging-umserver failed fornhp0; exception: Unable to establish RealmNode connection with nSessionAttributes:conns=1/[[nhp://0.0.0.0:9000/]] :: com.pcbsys.nirvana.client.nRealmUnreachableException: Realm is currently not reachable:Realm was still unreachable after max retry count - 0

INFO | jvm 1 | 2019/02/12 15:33:20 | 2019/02/12 15:33:20 ERROR # NirvanaRealmManager Unable to connect to the Command Central interface of the Universal Messaging server umserver.

INFO | jvm 1 | 2019/02/12 15:33:20 | 2019/02/12 15:33:20 DEBUG # NirvanaRealmManager NirvanaRealmManager.getRuntimeStatus(), node not reachable returning status UNRESPONSIVE. process id 5661. runtimeComponent Universal-Messaging-umserver"

Symptom seen in SPM default.log:

"2019/02/12 15:33:20 ERROR # Unable to connect to the Command Central interface of the Universal Messaging server umserver."

There are no connection problem symptoms seen in UM nirvana.log or UMRealmService.log.