Hi All,
How to monitor an NFS file system Mounted RHEL7 system using appdynamics?
I have tried using monitoring NFS using "AppDynamics Extension for Linux Monitoring"
I have configured based on the documentation but unfortunately, I do not see the NFS share
using machineagent-4.4.3.1214.
I am getting the following error:
INFO MetricWriteHelperFactory - The instance of MetricWriteHelperFactory is com.appdynamics.extensions.MetricWriteHelper@4da9ced9
[Monitor-Task-Thread3] 23 Aug 2019 12:50:21,893 ERROR NFSMountMetricsTask - Exception occurred collecting NFS I/O metrics
java.lang.NullPointerException
at com.appdynamics.extensions.linux.NFSMountMetricsTask.getMountIOStats(NFSMountMetricsTask.java:173)
at com.appdynamics.extensions.linux.NFSMountMetricsTask.run(NFSMountMetricsTask.java:66)
at com.appdynamics.extensions.MonitorThreadPoolExecutor$2.run(MonitorThreadPoolExecutor.java:102)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
[Monitor-Task-Thread2] 23 Aug 2019 12:50:22,049 ERROR FileParser - Failed to read CPU metricStats
java.lang.NullPointerException
at com.appdynamics.extensions.linux.FileParser.getStats(FileParser.java:65)
at com.appdynamics.extensions.linux.Stats.getCPUStats(Stats.java:91)
at com.appdynamics.extensions.linux.LinuxMetricsTask.run(LinuxMetricsTask.java:58)
at com.appdynamics.extensions.MonitorThreadPoolExecutor$2.run(MonitorThreadPoolExecutor.java:102)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
[Monitor-Task-Thread2] 23 Aug 2019 12:50:22,050 ERROR Stats - Exception fetching CPU metricStats
java.lang.NullPointerException
at com.appdynamics.extensions.linux.Stats.getCPUStats(Stats.java:93)
at com.appdynamics.extensions.linux.LinuxMetricsTask.run(LinuxMetricsTask.java:58)
at com.appdynamics.extensions.MonitorThreadPoolExecutor$2.run(MonitorThreadPoolExecutor.java:102)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Regards
Mageshkumar.Venugopalan
Hi,
There is an issue with the extension. I see an issue reported internally but not sure if it will be fixed as its community supported now.
Internal ticket id for reference - ACE-1073. You can try connecting to your account manager for further follow up.
Thanks,
Satbir Singh
Hi Team, Do we have any solution on this, we are facing similar issue in Linux Monitor extension.
Error log:
[Monitor-Task-Thread3] 01 Jun 2023 02:40:56,905 ERROR NFSMountMetricsTask-Linux Monitor - Exception occurred collecting NFS I/O metrics
java.lang.NullPointerException: null
at com.appdynamics.extensions.linux.NFSMountMetricsTask.getMountIOStats(NFSMountMetricsTask.java:173) [?:?]
at com.appdynamics.extensions.linux.NFSMountMetricsTask.run(NFSMountMetricsTask.java:66) [?:?]
at com.appdynamics.extensions.executorservice.MonitorThreadPoolExecutor$TaskRunnable.run(MonitorThreadPoolExecutor.java:113) [?:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:?]
at java.lang.Thread.run(Unknown Source) [?:?]
Thanks,
Pavan