2770630 - Grey introscope metrics, reporting "No values reported: data provider Generic J2EE system data, data provider type PUSH_INTROSCOPE"

When checking data collection on gray Introscope metrics in System Monitoring UI, got following message:

No values reported: data provider Generic J2EE system data, data provider type PUSH_INTROSCOPE is reported.

In Agent Administration, for corresponding agent you can see following error:

Severity: Warning
Location: SMDloggerAgentApp
Text: com.sap.smd.wily.hostagent.metric.MetricArea - createDataAccumulator: for metric WMI|Process|jstart:Private Bytes (MB): com.wily.introscope.agent.stat.AccumulatorAlreadyExistsException: Agent_Accumulator_Already_Exists_Message[Private Bytes (MB)]

SAP Solution Manager 7.2

Grey metrics, introscope, Number of Http Sessions, system monitoring, ISAGENT, No values reported: data provider Generic J2EE system data, data provider type PUSH_INTROSCOPE is reported. , KBA , SV-SMG-MON-ALR , Monitoring/Alerting/Reporting Infrastructure , SV-SMG-DIA-WLY , Solution Manager / Introscope Integration , Problem