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Active IQ Unified Manager web interface becomes unavailable around 4AM server time every few days

Last Updated:

Applies to

Active IQ Unified Manager(AIQUM) 9.9 and prior


  • Active IQ Unified Manager web interface becomes unavailable around 4AM server time every few days
  • The browser reports timeouts
  • The ocumserver.log reports Java Heap space errors:

root@active-iq:/var/log/ocum/2021-10-04# grep OutOf -C 5 ocumserver.0
2021-10-04 04:01:31,125 INFO  [oncommand] [org.springframework.jms.listener.DefaultMessageListenerContainer#1-1] [com.netapp.ipc.jms.OCIE_Events] Completed processing OCIE notification for packageType = netappstorageperformance , notificationType = PACKAGE_COMPLETED for cluster = 1 , sampleTime= 1633334387421
2021-10-04 04:04:07,592 ERROR [oncommand] [commonHeadroomTask-2] [c.n.i.s.AnalysisTaskScheduler] Caught exception while running collection complete analyses (headroom) in a new thread for cluster id 1 at 1633334387421 with exception {}
java.util.concurrent.CompletionException: java.lang.OutOfMemoryError: Java heap space
        at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(
        at java.base/java.util.concurrent.CompletableFuture.completeThrowable(
        at java.base/java.util.concurrent.CompletableFuture$
        at deployment.dfm-app.war//com.netapp.dfm.common.metrics.executor.ThreadPoolMonitorExecutor.lambda$execute$0(
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(
        at java.base/java.util.concurrent.ThreadPoolExecutor$
        at java.base/
Caused by: java.lang.OutOfMemoryError: Java heap space

  • The ocumserver.log reports an error related to scheduled tasks:

2021-11-01 04:02:50,236 ERROR [oncommand] [task-scheduler-7] [o.s.s.s.TaskUtils$LoggingErrorHandler] Unexpected error occurred in scheduled task


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