Cloudera Docs

YARN NodeManager

Set the file permission for Cloudera Manager deployment.

If yarn.nodemanager.linux-container-executor.group setting is set to hadoop in your HDP cluster, you must reset yarn.nodemanager.linux-container-executor.group setting to yarn in Cloudera Manager.

If this parameter is not set correctly, 
Issue Yarn NodeManagers fail to start with error
error appears.
  1. Log into Cloudera Manager UI.
  2. Navigate to Clusters
  3. Select the YARN service
  4. Go to Configurations
  5. Search for yarn.nodemanager.linux-container-executor.group and reset this to yarn