OSP16 | Collectd Sensubility | sensubility fails on parsing current container-health-check

Getting error message in sensubility.log
----------------------------------------

[ERROR] Failed to spawn check scheduler. [error: unexpected end of JSON input]
[ERROR] Failed to spawn check scheduler. [error: unexpected end of JSON input]
[ERROR] Failed to spawn check scheduler. [error: unexpected end of JSON input]
[ERROR] Failed to spawn check scheduler. [error: unexpected end of JSON input]

Currently the conf file looks like this:
----------------------------------------

[default]
log_level=WARNING
 
[sensu]
connection=amqp://sensu:sensu.lab.eng.rdu2.redhat.com//sensu
subscriptions=overcloud-cinder-api,overcloud-cinder-scheduler,overcloud-cinder-volume,overcloud-glance-api,overcloud-haproxy,overcloud-heat-api,overcloud-heat-api-cfn,overcloud-heat-engine,overcloud-horizon,overcloud-keystone,overcloud-memcached,overcloud-qdr,overcloud-neutron-server,overcloud-nova-api,overcloud-nova-conductor,overcloud-nova-metadata,overcloud-nova-scheduler,overcloud-pacemaker,overcloud-swift-proxy
client_name=controller-0.internalapi.redhat.local
client_address=172.17.1.33
keepalive_interval=20
tmp_base_dir=/var/tmp/collectd-sensubility-checks
shell_path=/usr/bin/sh
worker_count=2
checks={"check-container-health":{"command":"output=\"\"\nwhile read line ; do\n  i=$(echo $line | awk '//{gsub(/:/, \"\", $0); print $5}')\n  log=$(echo $line | awk '{split($0,a,/:\\s+Error:\\s+/); print a[2]}')\n  log=${log:0:-1}\n  output+=\" ; ${i}: ${log}\"\ndone < <(egrep \"^[a-zA-Z]{3}\\s+[0-9]{2}\\s+[0-9\\:]{8}\\s+.*\\s+.*:\\s+[Ee]rror\\:\" /var/log/collectd/healthchecks.log)\ntruncate -s0 /var/log/collectd/healthchecks.log\nif [ ! -z \"${output}\" ]; then\n  echo ${output:3} && exit 2;\nfi\n","handlers":[],"interval":10,"occurrences":3,"refresh":90,"standalone":true}}
 
[amqp]