Unable to start elastic server, getting following error

[ghost]

Elasticsearch version: 1.4.4
JVM version: 1.8.0_171
OS version: Ubuntu 16.04LTS (Linux 4.13.0-41-generic #46~16.04.1-Ubuntu SMP Thu May 3 10:06:43 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux)

Issue: Unable to start elastic search.

Commands used:
sudo service elasticsearch stop
sudo service elasticsearch start
sudo service elasticsearch status

● elasticsearch.service - Elasticsearch
Loaded: loaded (/usr/lib/systemd/system/elasticsearch.service; disabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Mon 2018-09-17 11:20:23 IST; 2s ago
Docs: http://www.elastic.co
Process: 32485 ExecStart=/usr/share/elasticsearch/bin/elasticsearch -p ${PID_DIR}/elasticsearch.pid --quiet (code=exited, status=2)
Main PID: 32485 (code=exited, status=2)

Sep 17 11:20:23 WFX-SVR-006 systemd[1]: Started Elasticsearch.
Sep 17 11:20:23 WFX-SVR-006 systemd[1]: elasticsearch.service: Main process exited, code=exited, status=2/INVALIDARGUMENT
Sep 17 11:20:23 WFX-SVR-006 systemd[1]: elasticsearch.service: Unit entered failed state.
Sep 17 11:20:23 WFX-SVR-006 systemd[1]: elasticsearch.service: Failed with result 'exit-code'.

Note:
Unable to restart as well since it gives same error when restarted.
Logs:
Unable to check logs in /var/log/elasticsearch since its "elasticsearch" service itself is not able to start.

[jasontedor]

Thanks very much for your interest in Elasticsearch.

This appears to be a user question, and we'd like to direct these kinds of things to the forums. If you can stop by there, we'd appreciate it. This allows us to use GitHub for verified bug reports, feature requests, and pull requests.

There's an active community in the forums that should be able to help get an answer to your question. As such, I hope you don't mind that I close this.