执行命令 ./elasticsearch 出错

执行命令 ./elasticsearch 出错 

org.elasticsearch.bootstrap.StartupException: java.lang.IllegalStateException: failed to obtain node locks, tried [[/data/newsroom/elasticsearch/inkstone-dev]] 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:127) ~[elasticsearch-5.5.3.jar:5.5.3]
	at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:114) ~[elasticsearch-5.5.3.jar:5.5.3]
	at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:67) ~[elasticsearch-5.5.3.jar:5.5.3]
	at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:122) ~[elasticsearch-5.5.3.jar:5.5.3]
	at org.elasticsearch.cli.Command.main(Command.java:88) ~[elasticsearch-5.5.3.jar:5.5.3]
	at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:91) ~[elasticsearch-5.5.3.jar:5.5.3]
	at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:84) ~[elasticsearch-5.5.3.jar:5.5.3]
Caused by: java.lang.IllegalStateException: failed to obtain node locks, tried [[/data/newsroom/elasticsearch/inkstone-dev]] 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:261) ~[elasticsearch-5.5.3.jar:5.5.3]
	at org.elasticsearch.node.Node.(Node.java:264) ~[elasticsearch-5.5.3.jar:5.5.3]
	at org.elasticsearch.node.Node.(Node.java:244) ~[elasticsearch-5.5.3.jar:5.5.3]
	at org.elasticsearch.bootstrap.Bootstrap$5.(Bootstrap.java:232) ~[elasticsearch-5.5.3.jar:5.5.3]
	at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:232) ~[elasticsearch-5.5.3.jar:5.5.3]
	at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:351) ~[elasticsearch-5.5.3.jar:5.5.3]
	at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:123) ~[elasticsearch-5.5.3.jar:5.5.3]
	... 6 more

运行ES报以上错误一般因为ES正在运行而无法重新运行导致

执行命令：ps -ef|grep elasticsearch 查看 ES是否运行

若显示

newsroom  5714     1  0 12月09 ?      00:09:03 /usr/local/java/jdk1.8.0_151/bin/java -Xms2g -Xmx2g -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -XX:+AlwaysPreTouch -server -Xss1m -Djava.awt.headless=true -Dfile.encoding=UTF-8 -Djna.nosys=true -Djdk.io.permissionsUseCanonicalPath=true -Dio.netty.noUnsafe=true -Dio.netty.noKeySetOptimization=true -Dio.netty.recycler.maxCapacityPerThread=0 -Dlog4j.shutdownHookEnabled=false -Dlog4j2.disable.jmx=true -Dlog4j.skipJansi=true -XX:+HeapDumpOnOutOfMemoryError -Des.path.home=/usr/local/elasticsearch/elasticsearch-5.5.3 -cp /usr/local/elasticsearch/elasticsearch-5.5.3/lib/* org.elasticsearch.bootstrap.Elasticsearch -d
root     19852  4829  0 13:56 pts/0    00:00:00 grep --color=auto elasticsearch

 则代表ES正在运行，执行命令 kill -9 5714 关闭进程

重新执行 ./elasticsearch  即可（非root用户）