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Empty CPU Sampling for .net APPMON

melchor_brondog
Contributor

Hi, we are getting empty CPU samplings and empty thread sampling. I have changed to Appmon and Classic agent and we keep getting the same empty samplings, can this be due to the process is running in my local and needs extra permissions?

2018-11-09 02:29:02 UTC WARNING [SamplingTaskHandler] Creating Sampling failed.: com.dynatrace.diagnostics.core.analytics.sampling.SamplingTaskHandler postProcessing:514
java.lang.ArrayIndexOutOfBoundsException: 0
at com.dynatrace.diagnostics.server.interfaces.sampling.io.SamplingOverheadCalculator$StackElement.node(SamplingOverheadCalculator.java:17)
at com.dynatrace.diagnostics.server.interfaces.sampling.io.SamplingOverheadCalculator.calculate(SamplingOverheadCalculator.java:39)
at com.dynatrace.diagnostics.server.interfaces.sampling.io.SamplingWriter.setDynatraceOverhead(SamplingWriter.java:270)
at com.dynatrace.diagnostics.server.interfaces.sampling.io.SamplingWriter.writeMainRecord(SamplingWriter.java:220)
at com.dynatrace.diagnostics.core.analytics.sampling.SamplingTaskHandler.postProcessing(SamplingTaskHandler.java:506)
at com.dynatrace.diagnostics.core.analytics.dump.DumpTaskHandler.callStateMethods(DumpTaskHandler.java:452)
at com.dynatrace.diagnostics.core.analytics.dump.DumpTaskHandler.setState(DumpTaskHandler.java:384)
at com.dynatrace.diagnostics.core.analytics.sampling.SamplingTaskHandler.endDump(SamplingTaskHandler.java:454)
at com.dynatrace.diagnostics.core.analytics.dump.SamplingManager.stopSampling(SamplingManager.java:175)
at com.dynatrace.diagnostics.server.taskpacks.sampling.SamplingTask.stopSampling(SamplingTask.java:285)
at com.dynatrace.diagnostics.server.taskpacks.sampling.SamplingTask.stopSamplingJob(SamplingTask.java:223)
at com.dynatrace.diagnostics.server.taskpacks.sampling.SamplingTask.waitDuration(SamplingTask.java:206)
at com.dynatrace.diagnostics.server.taskpacks.sampling.SamplingTask.produce(SamplingTask.java:102)
at com.dynatrace.diagnostics.server.taskpacks.sampling.SamplingTask.produce(SamplingTask.java:47)
at com.dynatrace.diagnostics.sdk.scheduling.Producer.execute(Producer.java:30)
at com.dynatrace.diagnostics.sdk.scheduling.Producer.execute(Producer.java:13)
at com.dynatrace.diagnostics.schedule.ServerJobCenterRegistry.execute(ServerJobCenterRegistry.java:190)
at com.dynatrace.diagnostics.schedule.ServerJobCenterRegistry.executeintern(ServerJobCenterRegistry.java:412)
at com.dynatrace.diagnostics.schedule.ServerJobCenterRegistry.execute(ServerJobCenterRegistry.java:336)
at com.dynatrace.diagnostics.schedule.SchedulerJob.work0(SchedulerJob.java:104)
at com.dynatrace.diagnostics.schedule.SchedulerJob.work(SchedulerJob.java:95)
at com.dynatrace.diagnostics.schedule.SchedulerJob.executeJobInfo(SchedulerJob.java:244)
at com.dynatrace.diagnostics.schedule.QuartzJob.execute(QuartzJob.java:45)
at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
at com.dynatrace.diagnostics.schedule.QuartzThreadPool$WorkerThread.run(QuartzThreadPool.java:781)
2018-11-09 02:29:02 UTC WARNING [SamplingManager] Unable to find TaskHandler while stopping Sampling
2018-11-09 02:29:02 UTC WARNING [SamplingTaskHandler] Failed to create dump: com.dynatrace.diagnostics.core.analytics.dump.DumpTaskHandler failed:275
java.lang.ArrayIndexOutOfBoundsException: 0
at com.dynatrace.diagnostics.server.interfaces.sampling.io.SamplingOverheadCalculator$StackElement.node(SamplingOverheadCalculator.java:17)
at com.dynatrace.diagnostics.server.interfaces.sampling.io.SamplingOverheadCalculator.calculate(SamplingOverheadCalculator.java:39)
at com.dynatrace.diagnostics.server.interfaces.sampling.io.SamplingWriter.setDynatraceOverhead(SamplingWriter.java:270)
at com.dynatrace.diagnostics.server.interfaces.sampling.io.SamplingWriter.writeMainRecord(SamplingWriter.java:220)
at com.dynatrace.diagnostics.core.analytics.sampling.SamplingTaskHandler.postProcessing(SamplingTaskHandler.java:506)
at com.dynatrace.diagnostics.core.analytics.dump.DumpTaskHandler.callStateMethods(DumpTaskHandler.java:452)
at com.dynatrace.diagnostics.core.analytics.dump.DumpTaskHandler.setState(DumpTaskHandler.java:384)
at com.dynatrace.diagnostics.core.analytics.sampling.SamplingTaskHandler.endDump(SamplingTaskHandler.java:454)
at com.dynatrace.diagnostics.core.analytics.dump.SamplingManager.stopSampling(SamplingManager.java:175)
at com.dynatrace.diagnostics.server.taskpacks.sampling.SamplingTask.stopSampling(SamplingTask.java:285)
at com.dynatrace.diagnostics.server.taskpacks.sampling.SamplingTask.stopSamplingJob(SamplingTask.java:223)
at com.dynatrace.diagnostics.server.taskpacks.sampling.SamplingTask.waitDuration(SamplingTask.java:206)
at com.dynatrace.diagnostics.server.taskpacks.sampling.SamplingTask.produce(SamplingTask.java:102)
at com.dynatrace.diagnostics.server.taskpacks.sampling.SamplingTask.produce(SamplingTask.java:47)
at com.dynatrace.diagnostics.sdk.scheduling.Producer.execute(Producer.java:30)
at com.dynatrace.diagnostics.sdk.scheduling.Producer.execute(Producer.java:13)
at com.dynatrace.diagnostics.schedule.ServerJobCenterRegistry.execute(ServerJobCenterRegistry.java:190)
at com.dynatrace.diagnostics.schedule.ServerJobCenterRegistry.executeintern(ServerJobCenterRegistry.java:412)
at com.dynatrace.diagnostics.schedule.ServerJobCenterRegistry.execute(ServerJobCenterRegistry.java:336)
at com.dynatrace.diagnostics.schedule.SchedulerJob.work0(SchedulerJob.java:104)
at com.dynatrace.diagnostics.schedule.SchedulerJob.work(SchedulerJob.java:95)
at com.dynatrace.diagnostics.schedule.SchedulerJob.executeJobInfo(SchedulerJob.java:244)
at com.dynatrace.diagnostics.schedule.QuartzJob.execute(QuartzJob.java:45)
at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
at com.dynatrace.diagnostics.schedule.QuartzThreadPool$WorkerThread.run(QuartzThreadPool.java:781)
2018-11-09 02:29:02 UTC WARNING [FileTools] Unable to calculate size of directory 'C:\Program Files\Dynatrace\Dynatrace 7.2\server\sessions\stored\Monitoring\20181108182753_0.sampling. Directory doesn't exist! This log will be suppressed for the next 60 minutes.
2018-11-09 02:34:03 UTC WARNING [ThreadStatistics] Received unknown thread state (255) from agent, thread count may be incorrect. [log message will be suppressed for 1 hours]
2018-11-09 02:38:32 UTC WARNING [DefaultConnectionChecker] closing connection Fetched-sjc04p1jnkap02:56357:Outbound:Encrypted:Uncompressed:0860683b-dda9-4bcf-a9dc-dd7aef60b1c6 belonging to session sjc04p1jnkap02:Encrypted:Uncompressed:ClientViaFrontend (Disconnected). Connection has been lost in Thread: ClientCommunication-CommunicationTimer (connection checkers, session checkers)


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