monitoring elasticsearch service with chkservd

I need to but elasticsearch service in monitor with chkservd I made that add : elasticsearch:1 in /etc/chkserv.d/chkservd.conf and made new file with the same name elasticsearch in /etc/chkserv.d contain: service[elasticsearch]=x,x,x,/bin/systemctl restart elasticsearch.service,elasticsearch,root
after restart the chkservd I got that service elasticsearch down when it work fine [root@main ~]# service elasticsearch status ? elasticsearch.service - Elasticsearch Loaded: loaded (/usr/lib/systemd/system/elasticsearch.service; enabled; vendor preset: disabled) Active: active (running) since Sat 2021-07-24 12:32:58 EET; 33min ago Docs: http://www.elastic.co Main PID: 258513 (java) CGroup: /system.slice/elasticsearch.service ??258513 /bin/java -Xms1g -Xmx1g -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFra... ??261938 /usr/share/elasticsearch/modules/x-pack-ml/platform/linux-x86_64/bin/controll... Jul 24 12:32:58 main.nileyouth.net systemd[1]: Started Elasticsearch.
can any one help in this please