I am unable to start Elastic Search on my Linux Machine. When I run ./elasticsearch command, the process exits within 20 seconds with below error.
$ ./elasticsearch -v
Skipping security auto configuration because it appears that security is already configured.
ERROR: Elasticsearch exited unexpectedly
Also there are no relevant logs in logs folder, just GC logs which don't provide any hint. Even -v verbose option is not giving any pointers as to why the service is unable to start.
How can I debug this better and fine the cause of the failure ?