Error During Cluster Add Services Operation? Try This Solution
If you encounter the following error message during a cluster add services operation:
resource_management.core.exceptions.ExecutionFailed: Execution of 'usermod -G ranger,hadoop,hadoop,ranger -g hadoop ranger' returned 6. usermod: user 'ranger' does not exist in /etc/passwd Error: Error: Unable to run the custom hook script ['/usr/bin/python', '/var/lib/ambari-agent/cache/stack-hooks/before-ANY/scripts/hook.py', 'ANY', '/var/lib/ambari-agent/data/command-1328.json', '/var/lib/ambari-agent/cache/stack-hooks/before-ANY', '/var/lib/ambari-agent/data/structured-out-1328.json', 'INFO', '/var/lib/ambari-agent/tmp', 'PROTOCOL_TLSv1_2', '']
There's a solution you can try:
- Check that the current values are set to "true" by running the following command:
/var/lib/ambari-server/resources/scripts/configs.py -l c149-node1.coelab.cloudera.com --protocol http -t 8080 -u admin -p 'rraman' -a get -n c149 -c cluster-env | egrep 'ignore_groupsusers_create|fetch_nonlocal_groups'
- If the values are not set to "true," you can set them by running the following commands:
/var/lib/ambari-server/resources/scripts/configs.py -l c149-node1.coelab.cloudera.com --protocol http -t 8080 -u admin -p 'rraman' -a set -n c149 -c cluster-env -k fetch_nonlocal_groups -v true /var/lib/ambari-server/resources/scripts/configs.py -l c149-node1.coelab.cloudera.com --protocol http -t 8080 -u admin -p 'rraman' -a set -n c149 -c cluster-env -k ignore_groupsusers_create -v true
- Finally, repeat step 1 to check that the values have been updated.
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