Not able to run elasticsearch

Elastic Stack Elasticsearch
1

I am not able to run elastic search when i run it i am getting this error. Can anybody help me in getting out of this..
Picked up _JAVA_OPTIONS: -Xms2048M -Xmx4096M
Picked up _JAVA_OPTIONS: -Xms2048M -Xmx4096M
Picked up _JAVA_OPTIONS: -Xms2048M -Xmx4096M
[2019-12-04T15:39:28,718][WARN ][o.e.b.ElasticsearchUncaughtExceptionHandler] [unknown] uncaught exception in thread [main]
org.elasticsearch.bootstrap.StartupException: java.lang.IllegalStateException: failed to obtain node locks, tried [[C:\Users\amallick5\Downloads\softwares\elasticsearch-6.5.4\data\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:140) ~[elasticsearch-6.5.4.jar:6.5.4]
at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:127) ~[elasticsearch-6.5.4.jar:6.5.4]
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) ~[elasticsearch-6.5.4.jar:6.5.4]
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) ~[elasticsearch-cli-6.5.4.jar:6.5.4]
at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-cli-6.5.4.jar:6.5.4]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:93) ~[elasticsearch-6.5.4.jar:6.5.4]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:86) ~[elasticsearch-6.5.4.jar:6.5.4]
Caused by: java.lang.IllegalStateException: failed to obtain node locks, tried [[C:\Users\amallick5\Downloads\softwares\elasticsearch-6.5.4\data\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.(NodeEnvironment.java:297) ~[elasticsearch-6.5.4.jar:6.5.4]
at org.elasticsearch.node.Node.(Node.java:296) ~[elasticsearch-6.5.4.jar:6.5.4]
at org.elasticsearch.node.Node.(Node.java:265) ~[elasticsearch-6.5.4.jar:6.5.4]
at org.elasticsearch.bootstrap.Bootstrap$5.(Bootstrap.java:212) ~[elasticsearch-6.5.4.jar:6.5.4]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:212) ~[elasticsearch-6.5.4.jar:6.5.4]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:333) ~[elasticsearch-6.5.4.jar:6.5.4]
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:136) ~[elasticsearch-6.5.4.jar:6.5.4]
... 6 more

2

are you potentially already running a second instance of elasticsearch? Can you run jps to verify?

3

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