Exception in thread "main" java.lang.IllegalStateException: Failed to obtain node lock, is the following location writable?: [/var/lib/elasticsearch/elasticsearch]
Likely root cause: java.io.IOException: Mount point not found
	at sun.nio.fs.LinuxFileStore.findMountEntry(LinuxFileStore.java:91)
	at sun.nio.fs.UnixFileStore.<init>(UnixFileStore.java:65)
	at sun.nio.fs.LinuxFileStore.<init>(LinuxFileStore.java:44)
	at sun.nio.fs.LinuxFileSystemProvider.getFileStore(LinuxFileSystemProvider.java:49)
	at sun.nio.fs.LinuxFileSystemProvider.getFileStore(LinuxFileSystemProvider.java:37)
	at sun.nio.fs.UnixFileSystemProvider.getFileStore(UnixFileSystemProvider.java:368)
	at java.nio.file.Files.getFileStore(Files.java:1413)
	at org.elasticsearch.env.ESFileStore.getMatchingFileStore(ESFileStore.java:89)
	at org.elasticsearch.env.Environment.getFileStore(Environment.java:318)
	at org.elasticsearch.env.NodeEnvironment$NodePath.<init>(NodeEnvironment.java:93)
	at org.elasticsearch.env.NodeEnvironment.<init>(NodeEnvironment.java:175)
	at org.elasticsearch.node.Node.<init>(Node.java:165)
	at org.elasticsearch.node.Node.<init>(Node.java:140)
	at org.elasticsearch.node.NodeBuilder.build(NodeBuilder.java:143)
	at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:194)
	at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:286)
	at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:45)