I have installed ElasticSearch 7.3 on Ubuntu 18.04
I have done all necessary configurations. When I run it, I got the following messages in system.
*Error after running journalctl---
Sep 24 18:32:08 imacbook systemd[1]: Stopping Elasticsearch...
Sep 24 18:32:09 imacbook systemd[1]: Stopped Elasticsearch.
Sep 24 18:32:17 macbook systemd[1]: Started Elasticsearch.
Sep 24 18:32:18 macbook elasticsearch[3444]: OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 a
Sep 24 18:32:29 macbook systemd[1]: elasticsearch.service: Main process exited, code=exited, status=78/n/a
Sep 24 18:32:29 macbook systemd[1]: elasticsearch.service: Failed with result 'exit-code'.
*Error- after running status command
Sep 25 11:43:57 macbook systemd[1]: Started Elasticsearch.
Sep 25 11:43:58 macbook elasticsearch[8489]: OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 a
Sep 25 11:44:08 macbook systemd[1]: elasticsearch.service: Main process exited, code=exited, status=78/n/a
Sep 25 11:44:08 macbook systemd[1]: elasticsearch.service: Failed with result 'exit-code'.
How can I solve the problem? Thanks.