What does the following message mean? "Waited 120000 ms But did not receive the response for the message com.wily.isengard.messageprimitives.service.CompressedMessageServiceCallMessage"

Document ID : KB000012932
Last Modified Date : 14/02/2018
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Question:

The following message may appear in the MOM and Workstation logs:

 

   [WARN] [Manager.Cluster] Waited 120000 ms But did not receive the response for the message com.wily.isengard.messageprimitives.service.CompressedMessageServiceCallMessage:      {com.wily.introscope.spec.server.beans.metricdata.IMetricDataManager.executeSyncQuery, v1, [key: -7116976551052032686, po: Workstation_5524.client_main,      specifier: NewSpecifier = DomainSpec: exact: SuperDomain, AgentNameSpec: .*, AgentMetricSpec: exact: Enterprise Manager|Connections:Number of Metrics      timeRange: com.wily.introscope.util.HistoricalQueryRange, start cookie: 35, start time: 0, end cookie: 34, end time: 0, frequency: 15000ms frequency: 15000      max: 2147483647 aggall: false crossmetricrollup: null top n filter: null]}    from address Workstation_5524.client_main:624 to service address Server.main:284      from thread ClusterManager Async Executor -- We will keep waiting and don't log further messages   until we receive the reply or time out 

 

What does this mean?

Environment:
All Supported APM versions
Answer:

 This message is related to the MOM to Workstation communications.  Note that they are actually warning, not error messages.  This could be caused by a slow Workstation client or slow network connection between the client and the MOM, and may eventually resolve on its own.

On some occasions, most Workstation clients may start throwing this warning.  If this happens frequently, then it may be due to a performance or network issue between the MOM and Workstation, and requires further investigation.