Elastic search working after install but then I again it show this error when I restart my mac

Elastic Stack Elasticsearch
1 
Macintosh:~ rs$ elasticsearch
Java HotSpot(TM) 64-Bit Server VM warning: Cannot open file logs/gc.log due to No such file or directory

[2019-08-26T10:28:04,353][WARN ][o.e.b.ElasticsearchUncaughtExceptionHandler] [unknown] uncaught exception in thread [main]
org.elasticsearch.bootstrap.StartupException: java.lang.IllegalStateException: failed to obtain node locks, tried [[/usr/local/var/lib/elasticsearch]] with lock id [0]; maybe these locations are not writable or multiple nodes were started without increasing [node.max_local_storage_nodes] (was [1])?
	at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:163) ~[elasticsearch-6.8.2.jar:6.8.2]
	at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:150) ~[elasticsearch-6.8.2.jar:6.8.2]
	at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) ~[elasticsearch-6.8.2.jar:6.8.2]
	at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) ~[elasticsearch-cli-6.8.2.jar:6.8.2]
	at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-cli-6.8.2.jar:6.8.2]
	at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:116) ~[elasticsearch-6.8.2.jar:6.8.2]
	at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:93) ~[elasticsearch-6.8.2.jar:6.8.2]
Caused by: java.lang.IllegalStateException: failed to obtain node locks, tried [[/usr/local/var/lib/elasticsearch]] with lock id [0]; maybe these locations are not writable or multiple nodes were started without increasing [node.max_local_storage_nodes] (was [1])?
	at org.elasticsearch.env.NodeEnvironment.<init>(NodeEnvironment.java:300) ~[elasticsearch-6.8.2.jar:6.8.2]
	at org.elasticsearch.node.Node.<init>(Node.java:296) ~[elasticsearch-6.8.2.jar:6.8.2]
	at org.elasticsearch.node.Node.<init>(Node.java:266) ~[elasticsearch-6.8.2.jar:6.8.2]
	at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:212) ~[elasticsearch-6.8.2.jar:6.8.2]
	at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:212) ~[elasticsearch-6.8.2.jar:6.8.2]
	at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:333) ~[elasticsearch-6.8.2.jar:6.8.2]
	at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:159) ~[elasticsearch-6.8.2.jar:6.8.2]
	... 6 more```
2

Sounds a Elasticsearch instance is already running. Do you set it to start automatically at boot time? I guess.

3

How can I stop the automatic start?

4

You can check Elasticsearch is running by several methods:

  1. test 9200 port (default Es port) is listening.
  2. run ps -ef | grep java to check.

If it is running, you don't have to start a another instance.

5

But I will check the port whether it works or not. It will not work. So I uninstall and then reinstall it and start the Elasticsearch .

I working in mac. So I give ps all command to see whether Elastic search is running in background or not. Sometimes there is no background process and Elasticsearch is also not starting.

6

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