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Where Can I Read About What Is Trains-Agent? I Get Confused With What'S What, And What Is Free And What Is Not

trains-elastic | OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in a future release.
trains-elastic | uncaught exception in thread [main]
trains-elastic | {"type": "server", "timestamp": "2020-10-14T17:10:27,837Z", "level": "ERROR", "component": "o.e.b.ElasticsearchUncaughtExceptionHandler", "cluster.name": "trains", "node.name": "trains", "message": "uncaught exception in thread [main]",
trains-elastic | "stacktrace": ["org.elasticsearch.bootstrap.StartupException: ElasticsearchException[failed to bind service]; nested: AccessDeniedException[/usr/share/elasticsearch/data/nodes];",
trains-elastic | "at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:174) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:161) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:125) ~[elasticsearch-cli-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-cli-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:126) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "Caused by: org.elasticsearch.ElasticsearchException: failed to bind service",
trains-elastic | "at org.elasticsearch.node.Node.<init>(Node.java:615) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.node.Node.<init>(Node.java:257) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:221) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:221) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:349) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:170) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "... 6 more",
trains-elastic | "Caused by: java.nio.file.AccessDeniedException: /usr/share/elasticsearch/data/nodes",
trains-elastic | "at sun.nio.fs.UnixException.translateToIOException(UnixException.java:90) ~[?:?]",
trains-elastic | "at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111) ~[?:?]",
trains-elastic | "at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:116) ~[?:?]",
trains-elastic | "at sun.nio.fs.UnixFileSystemProvider.createDirectory(UnixFileSystemProvider.java:389) ~[?:?]",
trains-elastic | "at java.nio.file.Files.createDirectory(Files.java:693) ~[?:?]",
trains-elastic | "at java.nio.file.Files.createAndCheckIsDirectory(Files.java:800) ~[?:?]",
trains-elastic | "at java.nio.file.Files.createDirectories(Files.java:786) ~[?:?]",
trains-elastic | "at org.elasticsearch.env.NodeEnvironment.lambda$new$0(NodeEnvironment.java:274) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.env.NodeEnvironment$NodeLock.<init>(NodeEnvironment.java:211) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.env.NodeEnvironment.<init>(NodeEnvironment.java:271) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.node.Node.<init>(Node.java:277) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.node.Node.<init>(Node.java:257) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:221) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:221) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:349) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:170) ~[elasticsearch-7.6.2.jar:7.6.2]",
trains-elastic | "... 6 more"] }
trains-elastic | ElasticsearchException[failed to bind service]; nested: AccessDeniedException[/usr/share/elasticsearch/data/nodes];
trains-elastic | Likely root cause: java.nio.file.AccessDeniedException: /usr/share/elasticsearch/data/nodes
trains-elastic | at java.base/sun.nio.fs.UnixException.translateToIOException(UnixException.java:90)
trains-elastic | at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111)
trains-elastic | at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:116)
trains-elastic | at java.base/sun.nio.fs.UnixFileSystemProvider.createDirectory(UnixFileSystemProvider.java:389)
trains-elastic | at java.base/java.nio.file.Files.createDirectory(Files.java:693)
trains-elastic | at java.base/java.nio.file.Files.createAndCheckIsDirectory(Files.java:800)
trains-elastic | at java.base/java.nio.file.Files.createDirectories(Files.java:786)
trains-elastic | at org.elasticsearch.env.NodeEnvironment.lambda$new$0(NodeEnvironment.java:274)
trains-elastic | at org.elasticsearch.env.NodeEnvironment$NodeLock.<init>(NodeEnvironment.java:211)
trains-elastic | at org.elasticsearch.env.NodeEnvironment.<init>(NodeEnvironment.java:271)
trains-elastic | at org.elasticsearch.node.Node.<init>(Node.java:277)
trains-elastic | at org.elasticsearch.node.Node.<init>(Node.java:257)
trains-elastic | at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:221)
trains-elastic | at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:221)
trains-elastic | at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:349)
trains-elastic | at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:170)
trains-elastic | at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:161)
trains-elastic | at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86)
trains-elastic | at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:125)
trains-elastic | at org.elasticsearch.cli.Command.main(Command.java:90)
trains-elastic | at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:126)
trains-elastic | at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92)
trains-elastic | For complete error details, refer to the log at /usr/share/elasticsearch/logs/trains.log
trains-elastic exited with code 1

  
  
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