Hi All, I have installed Linux monitoring extension to get the NFS utilization metrics as per this documentation https://developer.cisco.com/codeexchange/github/repo/Appdynamics/linux-monitoring-extension/#readme but post doing necessary changes as per documentation, i have restarted machine-agent. i am getting this error while startup. Please check and let me know the solution. [rinst@vm-64e6db337156cc18f93ef923 logs]$ cat machine-agentstartup.log  my-vm==> [main] 06 May 2024 07:40:06,143  INFO FlexibleX509TrustManager - Using default keystore for SSL certificate validation. my-vm==> [main] 06 May 2024 07:40:06,446  INFO HostIdProvider - Default Host Identifier Resolver using host name for unique host identifier [my-vm] my-vm==> [main] 06 May 2024 07:40:06,549  INFO MachineLicensePropertiesProvider - Detected Virtual CPU Count: 4 my-vm==> [main] 06 May 2024 07:40:06,549  INFO MachineLicensePropertiesProvider - Detected Logical CPU Count: 4 my-vm==> [main] 06 May 2024 07:40:06,549  INFO MachineLicensePropertiesProvider - Detected Physical CPU Count: 4 my-vm==> [system-thread-0] 06 May 2024 07:40:06,970  INFO SecondStageSystem - Starting main system with features Features(features=[dmm, sim], reason=Features.Reason(message=, code=)) my-vm==> [system-thread-0] 06 May 2024 07:40:07,206  INFO SystemAgent - #################################################################################### my-vm==> [system-thread-0] 06 May 2024 07:40:07,206  INFO SystemAgent - Agent Install Directory [/ngs/app/rinst/machineagent-bundle-64bit-linux-aarch64-23] my-vm==> [system-thread-0] 06 May 2024 07:40:07,206  INFO SystemAgent - Using Agent Version [Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] my-vm==> [system-thread-0] 06 May 2024 07:40:07,207  INFO SystemAgent - JVM Runtime:  java.home=/ngs/app/rinst/applejdk-11.0.16.8.1 java.vm.vendor=Apple Inc. java.vm.name=OpenJDK 64-Bit Server VM java.version=11.0.16 java.specification.version=11 java.runtime.version=11.0.16+8-20220720170112 java.io.tmpdir=/tmp user.language=en user.country=US user.variant= Default locale=en_US my-vm==> [system-thread-0] 06 May 2024 07:40:07,207  INFO SystemAgent - OS Runtime:  os.name=Linux os.arch=amd64 os.version=4.18.0-477.51.1.el8_8.x86_64 user.name=rinst user.home=/ngs/app/rinst user.dir=/ngs/app/rinst/machineagent-bundle-64bit-linux-aarch64-23 my-vm==> [system-thread-0] 06 May 2024 07:40:07,207  INFO SystemAgent - JVM Args : -Xmx256m | -Dlog4j.configuration=file:/ngs/app/rinst/machineagent-bundle-64bit-linux-aarch64-23/conf/logging/log4j.xml |  my-vm==> [system-thread-0] 06 May 2024 07:40:07,211  INFO SystemAgent - JVM Runtime Name: 2589878@my-vm my-vm==> [system-thread-0] 06 May 2024 07:40:07,211  INFO SystemAgent - JVM PID: 2589878 my-vm==> [system-thread-0] 06 May 2024 07:40:07,211  INFO SystemAgent - Machine Agent is resolving bootstrap info.... my-vm==> [system-thread-0] 06 May 2024 07:40:07,299  INFO SystemAgent - Orchestration is disabled - disabling virtualization resolvers by default. my-vm==> [system-thread-0] 06 May 2024 07:40:07,303  WARN ContainerIdExtractor - Unable to use /proc/self/cgroup for unique hostname, could not locate container ID my-vm==> [system-thread-0] 06 May 2024 07:40:07,305  INFO SystemAgent - Full Agent Registration Info Resolver found system property [appdynamics.agent.create.agent.info.if.missing] for appdynamics.agent.create.agent.info.if.missing [false] my-vm==> [system-thread-0] 06 May 2024 07:40:07,313  INFO SystemAgent - Default Host Identifier Resolver using host name for unique host identifier [my-vm] my-vm==> [system-thread-0] 06 May 2024 07:40:07,315  INFO SystemAgent - Default IP Address Resolver found IP addresses [[fe80:0:0:0:889b:9bd4:a19a:6e79%eth0, 17.182.56.82]] my-vm==> [system-thread-0] 06 May 2024 07:40:07,319  INFO SystemAgent - Full Agent Registration Info Resolver using selfService [false] my-vm==> [system-thread-0] 06 May 2024 07:40:07,319  INFO SystemAgent - Full Agent Registration Info Resolver using ephemeral node setting [false] my-vm==> [system-thread-0] 06 May 2024 07:40:07,319  INFO SystemAgent - Full Agent Registration Info Resolver using application name [null] my-vm==> [system-thread-0] 06 May 2024 07:40:07,320  INFO SystemAgent - Full Agent Registration Info Resolver using tier name [null] my-vm==> [system-thread-0] 06 May 2024 07:40:07,320  INFO SystemAgent - Full Agent Registration Info Resolver using node name [null] my-vm==> [system-thread-0] 06 May 2024 07:40:07,323  INFO SystemAgent - XML Controller Info Resolver found controller host [rins-appd-stg.apple.com] my-vm==> [system-thread-0] 06 May 2024 07:40:07,323  INFO SystemAgent - XML Controller Info Resolver found controller port [443] my-vm==> [system-thread-0] 06 May 2024 07:40:07,326  INFO SystemAgent - XML Agent Account Info Resolver using account name [customer1] my-vm==> [system-thread-0] 06 May 2024 07:40:07,326  INFO SystemAgent - XML Agent Account Info Resolver using account access key [****] my-vm==> [system-thread-0] 06 May 2024 07:40:07,329  INFO SystemAgent - Keystore file /ngs/app/rinst/machineagent-bundle-64bit-linux-aarch64-23/conf/cacerts.jks was not found my-vm==> [system-thread-0] 06 May 2024 07:40:07,340  INFO SystemAgent - Machine Agent resolved bootstrap info! my-vm==> [system-thread-0] 06 May 2024 07:40:07,340  INFO SystemAgent - Creating machine agent scheduler, pool size: 2 my-vm==> [system-thread-0] 06 May 2024 07:40:07,349  INFO SystemAgent - Creating machine agent monitor scheduler, pool size: 4 my-vm==> [system-thread-0] 06 May 2024 07:40:07,353  INFO SystemAgent - Started Agent Schedulers my-vm==> [ConfigExecutor-0] 06 May 2024 07:40:07,366  INFO DefaultLegacyAgentRegistrationStateManager - Registered machine with machine ID [Optional.of(14786)] my-vm==> [ConfigExecutor-0] 06 May 2024 07:40:07,367  INFO DefaultLegacyAgentRegistrationStateManager - Scheduling System-Agent start... my-vm==> [system-thread-0] 06 May 2024 07:40:07,372  INFO SimAgentRepetitiveLoggingModule - The turnover time for the SIM agent repetitive logger is 5 minutes my-vm==> [system-thread-0] 06 May 2024 07:40:07,372  INFO SimAgentRepetitiveLoggingModule - The cache size for the SIM agent repetitive logger is 1000 my-vm==> [system-thread-0] 06 May 2024 07:40:07,577  INFO Fabric8Client - No Kubernetes was detected. my-vm==> [system-thread-0] 06 May 2024 07:40:07,596  WARN DynamicMonitoringModeTask - Encountered error checking monitoring mode. Will retry in 60 seconds. my-vm==> [system-thread-0] 06 May 2024 07:40:07,596  INFO DefaultLegacyAgentRegistrationStateManager - Starting machine agent... my-vm==> [system-thread-0] 06 May 2024 07:40:07,596  INFO SystemAgent - Starting Machine Agent.... my-vm==> [system-thread-0] 06 May 2024 07:40:07,597  INFO ControllerTimeSkewHandler - Skew Handler is : [enabled]. my-vm==> [system-thread-0] 06 May 2024 07:40:07,634  INFO SystemAgent - Full certificate chain validation performed using default certificate file my-vm==> [system-thread-0] 06 May 2024 07:40:07,682  INFO ManagedMonitorDelegate - Started Agent Metric Generation Service my-vm==> [system-thread-0] 06 May 2024 07:40:07,688  INFO ManagedMonitorDelegate - Event Service is : [enabled]. my-vm==> [system-thread-0] 06 May 2024 07:40:07,697  INFO ManagedMonitorDelegate - Initialized with maxPublishQueueLength [2], aggregationFrequencyInMillis [60000] my-vm==> [system-thread-0] 06 May 2024 07:40:07,699  INFO ManagedMonitorDelegate - Metric Service is : [enabled]. my-vm==> [system-thread-0] 06 May 2024 07:40:07,702  INFO ManagedMonitorDelegate - Started Agent Env Properties Service my-vm==> [system-thread-0] 06 May 2024 07:40:07,704  INFO ManagedMonitorDelegate - Scheduled Continuous Task Monitor with frequency [30000]ms my-vm==> [system-thread-0] 06 May 2024 07:40:07,705  INFO NodeMonitorManager - Not running legacy system-agent monitor because SIM is enabled. my-vm==> [system-thread-0] 06 May 2024 07:40:07,705  INFO NodeMonitorManager - Not running legacy system-agent monitor because SIM is enabled. my-vm==> [system-thread-0] 06 May 2024 07:40:07,709  INFO MonitorConfigReader - Reading monitor config file:/ngs/app/rinst/machineagent-bundle-64bit-linux-aarch64-23/monitors/analytics-agent/monitor.xml my-vm==> [system-thread-0] 06 May 2024 07:40:07,720  INFO MonitorConfigReader - os name [linux] version [4.18.0-477.51.1.el8_8.x86_64] my-vm==> [system-thread-0] 06 May 2024 07:40:07,725  INFO NodeMonitorManager - Initializing managed monitor [analytics-agent] my-vm==> [system-thread-0] 06 May 2024 07:40:07,725  INFO ManagedMonitorDelegate - Initializing managed monitor [AppDynamics Analytics Agent] my-vm==> [system-thread-0] 06 May 2024 07:40:07,725  INFO ManagedMonitorDelegate - Executing managed monitor [AppDynamics Analytics Agent], task name [null] my-vm==> [system-thread-0] 06 May 2024 07:40:07,725  INFO ManagedMonitorDelegate - Task [null] for monitor [AppDynamics Analytics Agent] is SCHEDULED my-vm==> [system-thread-0] 06 May 2024 07:40:07,743  INFO InProcessLauncherTask - Found a directory [/ngs/app/rinst/machineagent-bundle-64bit-linux-aarch64-23/monitors/analytics-agent/lib] my-vm==> [system-thread-0] 06 May 2024 07:40:07,756  INFO InProcessLauncherTask - Working directory appears to be [/ngs/app/rinst/machineagent-bundle-64bit-linux-aarch64-23/monitors/analytics-agent] my-vm==> [system-thread-0] 06 May 2024 07:40:07,758  INFO AnalyticsAgentLauncher - The logs directory property [ad.dw.log.path] has been set to [/ngs/app/rinst/machineagent-bundle-64bit-linux-aarch64-23/logs] my-vm==> [system-thread-0] 06 May 2024 07:40:07,758  INFO InProcessLauncherTask - Starting to execute actual task with parameters [{csvMethodArgs=/ngs/app/rinst/machineagent-bundle-64bit-linux-aarch64-23/monitors/analytics-agent/conf/analytics-agent.properties, methodName=main, className=com.appdynamics.analytics.agent.AnalyticsAgent}] my-vm==> [system-thread-0] 06 May 2024 07:40:13,348  INFO InProcessLauncherTask - Started [com.appdynamics.analytics.agent.AnalyticsAgent] my-vm==> [system-thread-0] 06 May 2024 07:40:13,349  INFO MonitorConfigReader - Reading monitor config file:/ngs/app/rinst/machineagent-bundle-64bit-linux-aarch64-23/monitors/LinuxMonitor/monitor.xml my-vm==> [system-thread-0] 06 May 2024 07:40:13,355  INFO MonitorConfigReader - os name [linux] version [4.18.0-477.51.1.el8_8.x86_64] my-vm==> [system-thread-0] 06 May 2024 07:40:13,357  INFO NodeMonitorManager - Initializing managed monitor [LinuxMonitor] my-vm==> [system-thread-0] 06 May 2024 07:40:13,357  INFO ManagedMonitorDelegate - Initializing managed monitor [LinuxMonitor] my-vm==> [system-thread-0] 06 May 2024 07:40:13,357  INFO ManagedMonitorDelegate - Executing managed monitor [LinuxMonitor], task name [Linux Monitor Run Task] my-vm==> [system-thread-0] 06 May 2024 07:40:13,357  INFO ManagedMonitorDelegate - Task [Linux Monitor Run Task] is periodic my-vm==> [system-thread-0] 06 May 2024 07:40:13,379 ERROR JavaTaskCreator - Could not load/instantiate the Java Task Main class for Java task [Linux Monitor Run Task] java.lang.NoClassDefFoundError: org/apache/log4j/Layout at java.lang.Class.getDeclaredConstructors0(Native Method) ~[?:?] at java.lang.Class.privateGetDeclaredConstructors(Class.java:3137) ~[?:?] at java.lang.Class.getConstructor0(Class.java:3342) ~[?:?] at java.lang.Class.newInstance(Class.java:556) ~[?:?] at com.singularity.ee.agent.systemagent.task.JavaTaskCreator.createJavaTask(JavaTaskCreator.java:69) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.managed.MonitorTaskRunner.createTask(MonitorTaskRunner.java:75) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.managed.PeriodicTaskRunner.<init>(PeriodicTaskRunner.java:41) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.managed.ManagedMonitorDelegate.setupEnvTask(ManagedMonitorDelegate.java:255) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.managed.ManagedMonitorDelegate.initializeMonitor(ManagedMonitorDelegate.java:212) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.NodeMonitorManager.readConfig(NodeMonitorManager.java:178) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.NodeMonitorManager.startAllMonitors(NodeMonitorManager.java:265) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.NodeMonitorManager.<init>(NodeMonitorManager.java:79) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.AgentMonitorManager.<init>(AgentMonitorManager.java:63) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.Agent.setupMonitorManager(Agent.java:492) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.Agent.startServices(Agent.java:399) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.SystemAgent.startServices(SystemAgent.java:79) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.Agent.start(Agent.java:384) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.appdynamics.agent.sim.legacy.DefaultLegacyAgentRegistrationStateManager$1.run(DefaultLegacyAgentRegistrationStateManager.java:80) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?] at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) [?:?] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?] at java.lang.Thread.run(Thread.java:829) [?:?] Caused by: java.lang.ClassNotFoundException: org.apache.log4j.Layout at com.singularity.ee.util.loader.FileSystemClassLoader.findClass(FileSystemClassLoader.java:372) ~[agent-23.4.0-845.jar:?] at java.lang.ClassLoader.loadClass(ClassLoader.java:589) ~[?:?] at com.singularity.ee.util.loader.FileSystemClassLoader.loadClass(FileSystemClassLoader.java:320) ~[agent-23.4.0-845.jar:?] at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?] ... 24 more my-vm==> [system-thread-0] 06 May 2024 07:40:13,387  WARN ManagedMonitorDelegate - Error executing managed monitor [LinuxMonitor], task name [Linux Monitor Run Task] com.singularity.ee.agent.systemagent.api.exception.TaskInstantiationException: Could not load/instantiate task main class[com.appdynamics.extensions.linux.LinuxMonitor] for task [Linux Monitor Run Task] at com.singularity.ee.agent.systemagent.task.JavaTaskCreator.createJavaTask(JavaTaskCreator.java:90) ~[machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.managed.MonitorTaskRunner.createTask(MonitorTaskRunner.java:75) ~[machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.managed.PeriodicTaskRunner.<init>(PeriodicTaskRunner.java:41) ~[machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.managed.ManagedMonitorDelegate.setupEnvTask(ManagedMonitorDelegate.java:255) ~[machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.managed.ManagedMonitorDelegate.initializeMonitor(ManagedMonitorDelegate.java:212) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.NodeMonitorManager.readConfig(NodeMonitorManager.java:178) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.NodeMonitorManager.startAllMonitors(NodeMonitorManager.java:265) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.NodeMonitorManager.<init>(NodeMonitorManager.java:79) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.AgentMonitorManager.<init>(AgentMonitorManager.java:63) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.Agent.setupMonitorManager(Agent.java:492) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.Agent.startServices(Agent.java:399) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.SystemAgent.startServices(SystemAgent.java:79) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.Agent.start(Agent.java:384) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.appdynamics.agent.sim.legacy.DefaultLegacyAgentRegistrationStateManager$1.run(DefaultLegacyAgentRegistrationStateManager.java:80) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?] at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) [?:?] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?] at java.lang.Thread.run(Thread.java:829) [?:?] my-vm==> [system-thread-0] 06 May 2024 07:40:13,387  WARN NodeMonitorManager - Could not initialize monitor com.singularity.ee.agent.systemagent.api.exception.TaskInstantiationException: Could not load/instantiate task main class[com.appdynamics.extensions.linux.LinuxMonitor] for task [Linux Monitor Run Task] com.singularity.ee.agent.systemagent.components.monitormanager.exception.MonitorInitializationException: com.singularity.ee.agent.systemagent.api.exception.TaskInstantiationException: Could not load/instantiate task main class[com.appdynamics.extensions.linux.LinuxMonitor] for task [Linux Monitor Run Task] at com.singularity.ee.agent.systemagent.components.monitormanager.managed.ManagedMonitorDelegate.initializeMonitor(ManagedMonitorDelegate.java:217) ~[machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.NodeMonitorManager.readConfig(NodeMonitorManager.java:178) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.NodeMonitorManager.startAllMonitors(NodeMonitorManager.java:265) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.NodeMonitorManager.<init>(NodeMonitorManager.java:79) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.AgentMonitorManager.<init>(AgentMonitorManager.java:63) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.Agent.setupMonitorManager(Agent.java:492) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.Agent.startServices(Agent.java:399) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.SystemAgent.startServices(SystemAgent.java:79) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.Agent.start(Agent.java:384) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.appdynamics.agent.sim.legacy.DefaultLegacyAgentRegistrationStateManager$1.run(DefaultLegacyAgentRegistrationStateManager.java:80) [machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?] at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) [?:?] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?] at java.lang.Thread.run(Thread.java:829) [?:?] Caused by: com.singularity.ee.agent.systemagent.api.exception.TaskInstantiationException: Could not load/instantiate task main class[com.appdynamics.extensions.linux.LinuxMonitor] for task [Linux Monitor Run Task] at com.singularity.ee.agent.systemagent.task.JavaTaskCreator.createJavaTask(JavaTaskCreator.java:90) ~[machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.managed.MonitorTaskRunner.createTask(MonitorTaskRunner.java:75) ~[machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.managed.PeriodicTaskRunner.<init>(PeriodicTaskRunner.java:41) ~[machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.managed.ManagedMonitorDelegate.setupEnvTask(ManagedMonitorDelegate.java:255) ~[machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] at com.singularity.ee.agent.systemagent.components.monitormanager.managed.ManagedMonitorDelegate.initializeMonitor(ManagedMonitorDelegate.java:212) ~[machineagent.jar:Machine Agent v23.2.0.3568 GA compatible with 4.4.1.0 Build Date 2023-02-21 10:37:10] ... 15 more my-vm==> [system-thread-0] 06 May 2024 07:40:13,388  INFO NodeMonitorManager - Directory [/ngs/app/rinst/machineagent-bundle-64bit-linux-aarch64-23/monitors/unmanaged] not found, continuing. my-vm==> [system-thread-0] 06 May 2024 07:40:13,388  INFO AgentMonitorManager - Initialized System Monitor Manager with directory [/ngs/app/rinst/machineagent-bundle-64bit-linux-aarch64-23/monitors] my-vm==> [system-thread-0] 06 May 2024 07:40:13,388  INFO SystemAgent - Set up agent monitor manager my-vm==> [system-thread-0] 06 May 2024 07:40:13,389  INFO SystemAgent - Orchestration is disabled - disabling one-way agent transport. The agent will not be able to execute workflow tasks. my-vm==> [system-thread-0] 06 May 2024 07:40:13,394  INFO SystemAgentConfigManager - Scheduling configuration refresh at an interval of 60 seconds my-vm==> [system-thread-0] 06 May 2024 07:40:13,395  INFO SystemAgentConfigManager - Configuration refresh task interval is 60 seconds my-vm==> [system-thread-0] 06 May 2024 07:40:13,395  INFO SystemAgent - Configuration manager successfully configured my-vm==> [system-thread-0] 06 May 2024 07:40:13,397  INFO RunbookHandler - Runbook Operation Execution is : [enabled]. my-vm==> [system-thread-0] 06 May 2024 07:40:13,398  INFO SystemAgent - Started AppDynamics Machine Agent Successfully. my-vm==> [ExtensionStarter-AgentServer] 06 May 2024 07:40:37,516  INFO SystemAgent - Creating machine agent scheduler, pool size: 2 my-vm==> [ExtensionStarter-AgentServer] 06 May 2024 07:40:37,516  INFO SystemAgent - Creating machine agent monitor scheduler, pool size: 4 my-vm==> [ExtensionStarter-AgentServer] 06 May 2024 07:40:37,517  INFO SystemAgent - Started Agent Schedulers my-vm==> [ExtensionStarter-ServerMonitoring] 06 May 2024 07:40:38,247  INFO ServersExtensionModule - OS is LINUX my-vm==> [ExtensionStarter-ServerMonitoring] 06 May 2024 07:40:38,689  INFO SystemAgent - Creating machine agent scheduler, pool size: 2 my-vm==> [ExtensionStarter-ServerMonitoring] 06 May 2024 07:40:38,690  INFO SystemAgent - Creating machine agent monitor scheduler, pool size: 4 my-vm==> [ExtensionStarter-ServerMonitoring] 06 May 2024 07:40:38,690  INFO SystemAgent - Started Agent Schedulers my-vm==> [extension-scheduler-pool-0] 06 May 2024 07:40:38,694  INFO ServersDataCollectorManager - There is change in components collection configurations. my-vm==> [ExtensionStarter-ServerMonitoring] 06 May 2024 07:40:38,699  INFO ServersDataCollectorManager - Version of free command : free from procps-ng 3.3.15 my-vm==> [extension-scheduler-pool-0] 06 May 2024 07:40:38,699  INFO ServersDataCollectorManager - Starting data collectors. my-vm==> [ConfigExecutor-0] 06 May 2024 07:40:38,709  INFO AwsTagsScheduledRunner - Started AWS tags scheduled runner to poll for tags my-vm==> [ConfigExecutor-0] 06 May 2024 07:40:38,711  INFO K8sTagsScheduledRunner - Started K8s tags scheduled runner to poll for tags my-vm==> [ExtensionStarter-NetVizExtension] 06 May 2024 07:40:38,852  INFO SystemAgent - Creating machine agent scheduler, pool size: 2 my-vm==> [ExtensionStarter-NetVizExtension] 06 May 2024 07:40:38,852  INFO SystemAgent - Creating machine agent monitor scheduler, pool size: 4 my-vm==> [ExtensionStarter-NetVizExtension] 06 May 2024 07:40:38,852  INFO SystemAgent - Started Agent Schedulers my-vm==> [ConfigExecutor-0] 06 May 2024 07:40:38,858  INFO NetVizConfigrationListener - Applying conf: NetVizConfiguration(start=false) my-vm==> [ConfigExecutor-0] 06 May 2024 07:40:38,909  INFO NetVizConfigrationListener - NetViz Agent is not running my-vm==> [ExtensionStarter-DockerMonitoring] 06 May 2024 07:40:39,071  INFO SystemAgent - Creating machine agent scheduler, pool size: 2 my-vm==> [ExtensionStarter-DockerMonitoring] 06 May 2024 07:40:39,071  INFO SystemAgent - Creating machine agent monitor scheduler, pool size: 4 my-vm==> [ExtensionStarter-DockerMonitoring] 06 May 2024 07:40:39,072  INFO SystemAgent - Started Agent Schedulers my-vm==> [ExtensionStarter-DockerMonitoring] 06 May 2024 07:40:39,085  INFO DockerMonitoringModule - Initializing Executor Service for Docker Metric Collection, pool size:  3 my-vm==> [ExtensionStarter-DockerMonitoring] 06 May 2024 07:40:39,087 ERROR CGroupFileSystemRootProvider - Could not find CGroup files in following path(s) : [/sys/fs/cgroup, /cgroup] my-vm==> [ExtensionStarter-DockerMonitoring] 06 May 2024 07:40:39,149  INFO DockerMonitor - Not starting docker monitoring extension my-vm==> [ExtensionStarter-DockerMonitoring] 06 May 2024 07:40:39,149  INFO DockerMonitor - Docker Enabled: false; SIM Enabled: true; MA Plus available: false my-vm==> [ConfigExecutor-0] 06 May 2024 07:40:39,160  INFO DockerMonitorConfigListener - Docker tags is collection is disabled. my-vm==> [ExtensionStarter-CrashGuard] 06 May 2024 07:40:39,178  INFO SystemAgent - Creating machine agent scheduler, pool size: 2 my-vm==> [ExtensionStarter-CrashGuard] 06 May 2024 07:40:39,179  INFO SystemAgent - Creating machine agent monitor scheduler, pool size: 4 my-vm==> [ExtensionStarter-CrashGuard] 06 May 2024 07:40:39,179  INFO SystemAgent - Started Agent Schedulers my-vm==> [ConfigExecutor-0] 06 May 2024 07:40:39,216  INFO CrashGuardRunner - Not starting crash guard extension because it is disabled.To enable, please update the configuration enabled in CrashGuardConfig.yml. my-vm==> [extension-scheduler-pool-0] 06 May 2024 07:40:39,878  INFO ServersDataCollector - Started servers data collector - DataCollectorConfig(samplingInterval=30000, componentNames=[monitored.process.classes, cpus, networks, load, operating.system, volumes, partitions, memory, availability]). my-vm==> [extension-scheduler-pool-0] 06 May 2024 07:40:39,881  INFO ServersDataCollector - Started servers data collector - DataCollectorConfig(samplingInterval=30001, componentNames=[remote.volumes, partitions]). my-vm==> [extension-scheduler-pool-1] 06 May 2024 07:40:46,515  INFO AwsTagsSupplier - Skip retrieving AWS tags. Server is either not on AWS or cannot connect to AWS services my-vm==> [system-thread-0] 06 May 2024 07:41:07,366  WARN DynamicMonitoringModeTask - Encountered error checking monitoring mode. Will retry in 60 seconds. my-vm==> [AD Thread-Metric Reporter1] 06 May 2024 07:41:07,714  INFO SystemAgent - Full certificate chain validation performed using default certificate file my-vm==> [extension-scheduler-pool-8] 06 May 2024 07:41:08,692  INFO ServersDataCollectorManager - There is change in components collection configurations. my-vm==> [extension-scheduler-pool-8] 06 May 2024 07:41:08,692  INFO ServersDataCollector - Stopped servers data collector - DataCollectorConfig(samplingInterval=30000, componentNames=[monitored.process.classes, cpus, networks, load, operating.system, volumes, partitions, memory, availability]). my-vm==> [extension-scheduler-pool-8] 06 May 2024 07:41:08,692  INFO ServersDataCollector - Stopped servers data collector - DataCollectorConfig(samplingInterval=30001, componentNames=[remote.volumes, partitions]). my-vm==> [extension-scheduler-pool-8] 06 May 2024 07:41:08,692  INFO ServersDataCollectorManager - Starting data collectors. my-vm==> [extension-scheduler-pool-8] 06 May 2024 07:41:08,693  INFO ServersDataCollector - Started servers data collector - DataCollectorConfig(samplingInterval=30000, componentNames=[monitored.process.classes, networks, load, operating.system, availability]). my-vm==> [extension-scheduler-pool-8] 06 May 2024 07:41:08,694  INFO ServersDataCollector - Started servers data collector - DataCollectorConfig(samplingInterval=30001, componentNames=[remote.volumes, partitions]). my-vm==> [extension-scheduler-pool-8] 06 May 2024 07:41:08,694  INFO ServersDataCollector - Started servers data collector - DataCollectorConfig(samplingInterval=3000, componentNames=[cpus, volumes, partitions, memory]). my-vm==> [system-thread-0] 06 May 2024 07:42:07,366  WARN DynamicMonitoringModeTask - Encountered error checking monitoring mode. Will retry in 60 seconds. my-vm==> [AD Thread-Metric Reporter1] 06 May 2024 07:42:07,709  INFO SystemAgent - Full certificate chain validation performed using default certificate file my-vm==> [extension-scheduler-pool-10] 06 May 2024 07:42:38,756  WARN ProcessMonitor - ProcessMonitor::Caught exception during collection and reporting. com.appdynamics.voltron.rest.client.NonRestException: Method: SimProcessesAgentService#updateProcessMetadata(String,List) - Result: 403 Forbidden - content: <html> <head><title>403 Forbidden</title></head> <body> <center><h1>403 Forbidden</h1></center> <hr><center>Apple</center> </body> </html>   at com.appdynamics.voltron.rest.client.VoltronErrorDecoder.decode(VoltronErrorDecoder.java:62) ~[rest-client-1.1.0.187.jar:?] at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:156) ~[feign-core-10.7.4.jar:?] at feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:80) ~[feign-core-10.7.4.jar:?] at feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:100) ~[feign-core-10.7.4.jar:?] at com.sun.proxy.$Proxy156.updateProcessMetadata(Unknown Source) ~[?:?] at com.appdynamics.sim.agent.extensions.servers.DoubleBufferedProcessProperties.reportProcesses(DoubleBufferedProcessProperties.java:75) ~[servers-23.2.0.3568.jar:?] at com.appdynamics.sim.agent.extensions.servers.ProcessMonitor.run(ProcessMonitor.java:78) [servers-23.2.0.3568.jar:?] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) [?:?] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305) [?:?] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?] at java.lang.Thread.run(Thread.java:829) [?:?] my-vm==> [system-thread-0] 06 May 2024 07:43:07,365  WARN DynamicMonitoringModeTask - Encountered error checking monitoring mode. Will retry in 60 seconds. my-vm==> [AD Thread-Metric Reporter1] 06 May 2024 07:43:07,712  INFO SystemAgent - Full certificate chain validation performed using default certificate file my-vm==> [extension-scheduler-pool-9] 06 May 2024 07:43:38,739  WARN ProcessMonitor - ProcessMonitor::Caught exception during collection and reporting. com.appdynamics.voltron.rest.client.NonRestException: Method: SimProcessesAgentService#updateProcessMetadata(String,List) - Result: 403 Forbidden - content: <html> <head><title>403 Forbidden</title></head> <body> <center><h1>403 Forbidden</h1></center> <hr><center>Apple</center> </body> </html>   at com.appdynamics.voltron.rest.client.VoltronErrorDecoder.decode(VoltronErrorDecoder.java:62) ~[rest-client-1.1.0.187.jar:?] at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:156) ~[feign-core-10.7.4.jar:?] at feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:80) ~[feign-core-10.7.4.jar:?] at feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:100) ~[feign-core-10.7.4.jar:?] at com.sun.proxy.$Proxy156.updateProcessMetadata(Unknown Source) ~[?:?] at com.appdynamics.sim.agent.extensions.servers.DoubleBufferedProcessProperties.reportProcesses(DoubleBufferedProcessProperties.java:75) ~[servers-23.2.0.3568.jar:?] at com.appdynamics.sim.agent.extensions.servers.ProcessMonitor.run(ProcessMonitor.java:78) [servers-23.2.0.3568.jar:?] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) [?:?] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305) [?:?] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?] at java.lang.Thread.run(Thread.java:829) [?:?] ... 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