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2536083 - System Monitoring - TREX performance data missing/gray

Symptom

In the System Monitoring application for a TREX system, the performance data of the TREX instances is missing:

trex.png

In the SMDAgentApplication.log you find the following error for action SapStartSrv:

Sep 18, 2017 2:52:02 AM [Thread[SapStartSrv_<hostname>_<system ID>_<Instance number>,5,WILYHOST_SCHEDULER:ExecTG]] Error      com.sap.smd.wily.hostagent.action.AbstractAction - run(): Action throws exception, will be terminated: SapStartSrv_<hostname>_<system ID>_<Instance number>
[EXCEPTION]
java.lang.ArrayIndexOutOfBoundsException: while trying to load from index -1 of an object array with length 200, loaded from field java.util.ArrayList.elementData of an object loaded from local variable 'this'
    at java.util.ArrayList.get(ArrayList.java:324)
    at com.sap.smd.wily.hostagent.sapcontrol.SapControlAction.constructAlertTree(SapControlAction.java:315)
    at com.sap.smd.wily.hostagent.sapcontrol.SapControlAction.constructAlertTree(SapControlAction.java:317)
    at com.sap.smd.wily.hostagent.sapcontrol.SapControlAction.getAlertTree(SapControlAction.java:385)
    at com.sap.smd.wily.hostagent.sapcontrol.SapControlAction.doRun(SapControlAction.java:1079)
    at com.sap.smd.wily.hostagent.action.AbstractAction.run(AbstractAction.java:82)
    at com.sap.smd.wily.hostagent.Scheduler$RunnerAdapter.run(Scheduler.java:165)
    at com.sap.smd.server.exec.TaskRunner.run(TaskRunner.java:47)
    at com.sap.smd.server.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:781)
    at java.lang.Thread.run(Thread.java:763)

This is not exactly the action that collects the data for the monitoring application, but an action created via Introscope Host Adapter activity, which enables the data collection. Having this result for this action means that the performance data was not found.


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Environment

TREX Monitoring on Solution Manager 7.1 and 7.2

Product

SAP Solution Manager 7.2

Keywords

KBA , SV-SMG-DIA-WLY , Solution Manager / Introscope Integration , SV-SMG-MON-ALR , Monitoring/Alerting/Reporting Infrastructure , Problem

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