@GangWar i checked all possible logs but i couldn't find the error yet here is (/var/log/cloudera-scm-agent/cloudera-scm-agent.log) [26/Jun/2020 16:38:09 +0000] 25076 Thread-14 agent INFO Created /var/run/cloudera-scm-agent/process/606-cluster-host-inspector
[26/Jun/2020 16:38:09 +0000] 25076 Thread-14 agent INFO Chowning /var/run/cloudera-scm-agent/process/606-cluster-host-inspector to root (0) root (0)
[26/Jun/2020 16:38:09 +0000] 25076 Thread-14 agent INFO Chmod'ing /var/run/cloudera-scm-agent/process/606-cluster-host-inspector to 0751
[26/Jun/2020 16:38:09 +0000] 25076 Thread-14 agent INFO Created /var/run/cloudera-scm-agent/process/606-cluster-host-inspector/logs
[26/Jun/2020 16:38:09 +0000] 25076 Thread-14 agent INFO Chowning /var/run/cloudera-scm-agent/process/606-cluster-host-inspector/logs to root (0) root (0)
[26/Jun/2020 16:38:09 +0000] 25076 Thread-14 agent INFO Chmod'ing /var/run/cloudera-scm-agent/process/606-cluster-host-inspector/logs to 0751
[26/Jun/2020 16:38:09 +0000] 25076 Thread-14 process INFO [606-cluster-host-inspector] Refreshing process files: None
[26/Jun/2020 16:38:09 +0000] 25076 Thread-14 parcel INFO prepare_environment begin: {}, [], []
[26/Jun/2020 16:38:09 +0000] 25076 Thread-14 parcel INFO No parcels activated for use
[26/Jun/2020 16:38:09 +0000] 25076 Thread-14 __init__ INFO Extracted 1 files and 0 dirs to /var/run/cloudera-scm-agent/process/606-cluster-host-inspector.
[26/Jun/2020 16:38:09 +0000] 25076 Thread-14 process INFO [606-cluster-host-inspector] Launching process. one-off True, command mgmt/mgmt.sh, args [u'inspector', u'input.json', u'output.json', u$
[26/Jun/2020 16:38:09 +0000] 25076 Thread-14 supervisor WARNING Failed while getting process info. Retrying. (<Fault 10: 'BAD_NAME: 606-cluster-host-inspector'>)
[26/Jun/2020 16:38:11 +0000] 25076 Thread-14 supervisor INFO Triggering supervisord update.
[26/Jun/2020 16:38:11 +0000] 25076 Thread-14 util INFO Using generic audit plugin for process cluster-host-inspector
[26/Jun/2020 16:38:11 +0000] 25076 Thread-14 util INFO Creating metadata plugin for process cluster-host-inspector
[26/Jun/2020 16:38:11 +0000] 25076 Thread-14 util INFO Using specific metadata plugin for process cluster-host-inspector
[26/Jun/2020 16:38:11 +0000] 25076 Thread-14 util INFO Using generic metadata plugin for process cluster-host-inspector
[26/Jun/2020 16:38:11 +0000] 25076 Thread-14 process INFO Begin audit plugin refresh
[26/Jun/2020 16:38:11 +0000] 25076 Thread-14 throttling_logger INFO (3 skipped) Scheduling a refresh for Audit Plugin for cluster-host-inspector with count 1 pipelines names [''].
[26/Jun/2020 16:38:11 +0000] 25076 Thread-14 process INFO Begin metadata plugin refresh
[26/Jun/2020 16:38:11 +0000] 25076 Thread-14 process INFO Not creating a monitor for 606-cluster-host-inspector: should_monitor returns false
[26/Jun/2020 16:38:11 +0000] 25076 Thread-14 process INFO Daemon refresh complete for process 606-cluster-host-inspector.
[26/Jun/2020 16:38:13 +0000] 25076 Audit-Plugin navigator_plugin INFO Pipelines updated for Audit Plugin: []
[26/Jun/2020 16:38:13 +0000] 25076 Audit-Plugin throttling_logger INFO (3 skipped) Refreshing Audit Plugin for cluster-host-inspector with count 0 pipelines names [].
[26/Jun/2020 16:38:14 +0000] 25076 Metadata-Plugin navigator_plugin INFO Pipelines updated for Metadata Plugin: []
[26/Jun/2020 16:38:14 +0000] 25076 MainThread agent INFO PID '27699' associated with process '606-cluster-host-inspector' with payload 'processname:606-cluster-host-inspector groupname:606-clu$
[26/Jun/2020 16:38:14 +0000] 25076 MainThread agent WARNING Process exited event for process '606-cluster-host-inspector' does not have a monitor to handle event - the event will be ignored.
[26/Jun/2020 16:38:14 +0000] 25076 MainThread process INFO [606-cluster-host-inspector] Unregistered supervisor process EXITED
[26/Jun/2020 16:38:16 +0000] 25076 MainThread supervisor INFO Triggering supervisord update.
[26/Jun/2020 16:38:29 +0000] 25076 Thread-17 process INFO [606-cluster-host-inspector] Updating process: False {u'running': (True, False), u'run_generation': (1, 2)}
[26/Jun/2020 16:38:29 +0000] 25076 Thread-17 process INFO [606-cluster-host-inspector] Deactivating process (skipped)
[26/Jun/2020 16:38:29 +0000] 25076 Thread-17 process INFO [606-cluster-host-inspector] stopping monitors
[26/Jun/2020 16:38:33 +0000] 25076 Audit-Plugin navigator_plugin INFO stopping Audit Plugin for cluster-host-inspector with count 0 pipelines names [].
[26/Jun/2020 16:38:34 +0000] 25076 Metadata-Plugin navigator_plugin INFO stopping Metadata Plugin for cluster-host-inspector with count 0 pipelines names [].
[26/Jun/2020 16:38:59 +0000] 25076 MainThread heartbeat_tracker INFO HB stats (seconds): num:42 LIFE_MIN:0.01 min:0.01 mean:0.02 max:0.05 LIFE_MAX:0.09 and here is stderr.log + MGMT_CLASSPATH='/run/cloudera-scm-agent/process/626-cluster-host-inspector:/usr/share/java/mysql-connector-java.jar:/opt/cloudera/cm/lib/postgresql-connector.jar:/usr/share/java/oracle-connector-java.jar:/opt/cloudera/cm/lib/*:'
+ echo_and_exec /usr/java/jdk1.8.0_181-cloudera/bin/java -server -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -Dmgmt.log.file= -Djava.awt.headless=true -Djava.net.preferIPv4Stack=true -cp '/run/cloudera-scm-agent/process/626-cluster-host-inspector:/usr/share/java/mysql-connector-java.jar:/opt/cloudera/cm/lib/postgresql-connector.jar:/usr/share/java/oracle-connector-java.jar:/opt/cloudera/cm/lib/*:' com.cloudera.cmf.inspector.Inspector input.json output.json DEFAULT
+ echo 'Executing: /usr/java/jdk1.8.0_181-cloudera/bin/java' -server -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -Dmgmt.log.file= -Djava.awt.headless=true -Djava.net.preferIPv4Stack=true -cp '/run/cloudera-scm-agent/process/626-cluster-host-inspector:/usr/share/java/mysql-connector-java.jar:/opt/cloudera/cm/lib/postgresql-connector.jar:/usr/share/java/oracle-connector-java.jar:/opt/cloudera/cm/lib/*:' com.cloudera.cmf.inspector.Inspector input.json output.json DEFAULT
+ exec /usr/java/jdk1.8.0_181-cloudera/bin/java -server -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -Dmgmt.log.file= -Djava.awt.headless=true -Djava.net.preferIPv4Stack=true -cp '/run/cloudera-scm-agent/process/626-cluster-host-inspector:/usr/share/java/mysql-connector-java.jar:/opt/cloudera/cm/lib/postgresql-connector.jar:/usr/share/java/oracle-connector-java.jar:/opt/cloudera/cm/lib/*:' com.cloudera.cmf.inspector.Inspector input.json output.json DEFAULT
Error: Could not find or load main class com.cloudera.cmf.inspector.Inspector
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