Cannot start ElasticSearch service

I am trying to run ElasticSearch doing the following:

sudo su
systemctl start elasticsearch

My .yml file looks like this:

cluster.name: petlon-app
node.name: my-app-node
path.data: /var/lib/elasticsearch
path.logs: /var/log/elasticsearch
network.host: 127.0.0.1
http.port: 9200
discovery.type: single-node

The error message looks like this:

Job for elasticsearch.service failed because a fatal signal was delivered to the control process. See "systemctl status elasticsearch.service" and "journalctl -xe" for details.

When I run

journalctl -xe

here's what is output:

Apr 21 19:16:24 my-pc-15IKB kernel: br-6f050fa6218c: port 2(veth19babe9) entered blocking state
Apr 21 19:16:24 my-pc-15IKB kernel: br-6f050fa6218c: port 2(veth19babe9) entered disabled state
Apr 21 19:16:24 my-pc-15IKB kernel: device veth19babe9 entered promiscuous mode
Apr 21 19:16:24 my-pc-15IKB charon[1828]: 10[KNL] interface veth19babe9 activated
Apr 21 19:16:24 my-pc-15IKB NetworkManager[757]: <info>  [1619021784.2920] manager: (veth8fd9f3d): new Veth device (/org/freedesktop/NetworkManager/Devices/423)
Apr 21 19:16:24 my-pc-15IKB systemd-udevd[39880]: ethtool: autonegotiation is unset or enabled, the speed and duplex are not writable.
Apr 21 19:16:24 my-pc-15IKB NetworkManager[757]: <info>  [1619021784.2934] manager: (veth19babe9): new Veth device (/org/freedesktop/NetworkManager/Devices/424)
Apr 21 19:16:24 my-pc-15IKB kernel: br-6f050fa6218c: port 2(veth19babe9) entered blocking state
Apr 21 19:16:24 my-pc-15IKB kernel: br-6f050fa6218c: port 2(veth19babe9) entered forwarding state
Apr 21 19:16:24 my-pc-15IKB systemd-udevd[39880]: Using default interface naming scheme 'v245'.
Apr 21 19:16:24 my-pc-15IKB systemd-udevd[39880]: veth19babe9: Could not generate persistent MAC: No data available
Apr 21 19:16:24 my-pc-15IKB systemd-udevd[39877]: ethtool: autonegotiation is unset or enabled, the speed and duplex are not writable.
Apr 21 19:16:24 my-pc-15IKB dockerd[1804]: time="2021-04-21T19:16:24.298236681+03:00" level=info msg="No non-localhost DNS nameservers are left in resolv.conf. Using def>
Apr 21 19:16:24 my-pc-15IKB dockerd[1804]: time="2021-04-21T19:16:24.298287953+03:00" level=info msg="IPv6 enabled; Adding default IPv6 external servers: [nameserver 200>
Apr 21 19:16:24 my-pc-15IKB systemd-udevd[39877]: Using default interface naming scheme 'v245'.
Apr 21 19:16:24 my-pc-15IKB systemd-udevd[39877]: veth8fd9f3d: Could not generate persistent MAC: No data available
Apr 21 19:16:24 my-pc-15IKB containerd[851]: time="2021-04-21T19:16:24.328926349+03:00" level=info msg="starting signal loop" namespace=moby path=/run/containerd/io.cont>
Apr 21 19:16:24 my-pc-15IKB charon[1828]: 11[KNL] interface veth8fd9f3d deleted
Apr 21 19:16:24 my-pc-15IKB kernel: eth0: renamed from veth8fd9f3d
Apr 21 19:16:24 my-pc-15IKB kernel: IPv6: ADDRCONF(NETDEV_CHANGE): veth19babe9: link becomes ready
Apr 21 19:16:24 my-pc-15IKB NetworkManager[757]: <info>  [1619021784.8637] device (veth19babe9): carrier: link connected
Apr 21 19:16:24 my-pc-15IKB gnome-shell[5088]: Removing a network device that was not added
Apr 21 19:16:26 my-pc-15IKB avahi-daemon[748]: Joining mDNS multicast group on interface veth19babe9.IPv6 with address fe80::a0c2:a3ff:feb8:587a.
Apr 21 19:16:26 my-pc-15IKB charon[1828]: 12[KNL] fe80::a0c2:a3ff:feb8:587a appeared on veth19babe9
Apr 21 19:16:26 my-pc-15IKB avahi-daemon[748]: New relevant interface veth19babe9.IPv6 for mDNS.
Apr 21 19:16:26 my-pc-15IKB avahi-daemon[748]: Registering new address record for fe80::a0c2:a3ff:feb8:587a on veth19babe9.*.

Could you please help me understand the meaning of these error messages ?

Welcome to our community! :smiley:

Is there anything in /var/log/elasticsearch/?

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