Looked at your logfile and it looks like there is a connection refused. From the Dremio coordinator can you try “telnet es-host port”?
2020-02-24 03:35:24,935 [Plugin Startup: ShowMe] INFO c.d.p.elastic.ElasticConnectionPool - User Error Occurred [ErrorId: 8ec4b6d5-3be3-4b16-8e73-cf79bfd69098]
com.dremio.common.exceptions.UserException: Encountered a problem while executing com.dremio.plugins.elastic.ElasticActions$NodesInfo@76485c1e. Cannot gather Elasticsearch nodes information. Please make sure that the user has [cluster:monitor/nodes/info] privilege.
at com.dremio.common.exceptions.UserException$Builder.build(UserException.java:776) ~[dremio-common-4.0.1-201909191652190301-211720e.jar:4.0.1-201909191652190301-211720e]
at com.dremio.plugins.elastic.ElasticConnectionPool.addContextAndThrow(ElasticConnectionPool.java:481) [dremio-elasticsearch-plugin-4.0.1-201909191652190301-211720e.jar:4.0.1-201909191652190301-211720e]
at com.dremio.plugins.elastic.ElasticConnectionPool.access$500(ElasticConnectionPool.java:91) [dremio-elasticsearch-plugin-4.0.1-201909191652190301-211720e.jar:4.0.1-201909191652190301-211720e]
at com.dremio.plugins.elastic.ElasticConnectionPool$ElasticConnection.executeAndHandleResponseCode(ElasticConnectionPool.java:656) [dremio-elasticsearch-plugin-4.0.1-201909191652190301-211720e.jar:4.0.1-201909191652190301-211720e]
at com.dremio.plugins.elastic.ElasticConnectionPool.getHostList(ElasticConnectionPool.java:379) [dremio-elasticsearch-plugin-4.0.1-201909191652190301-211720e.jar:4.0.1-201909191652190301-211720e]
at com.dremio.plugins.elastic.ElasticConnectionPool.updateClients(ElasticConnectionPool.java:240) [dremio-elasticsearch-plugin-4.0.1-201909191652190301-211720e.jar:4.0.1-201909191652190301-211720e]
at com.dremio.plugins.elastic.ElasticConnectionPool.connect(ElasticConnectionPool.java:230) [dremio-elasticsearch-plugin-4.0.1-201909191652190301-211720e.jar:4.0.1-201909191652190301-211720e]
at com.dremio.plugins.elastic.ElasticsearchStoragePlugin.start(ElasticsearchStoragePlugin.java:522) [dremio-elasticsearch-plugin-4.0.1-201909191652190301-211720e.jar:4.0.1-201909191652190301-211720e]
at com.dremio.exec.catalog.ManagedStoragePlugin$1.run(ManagedStoragePlugin.java:257) [dremio-sabot-kernel-4.0.1-201909191652190301-211720e.jar:4.0.1-201909191652190301-211720e]
at com.dremio.concurrent.RenamingRunnable.run(RenamingRunnable.java:36) [dremio-common-4.0.1-201909191652190301-211720e.jar:4.0.1-201909191652190301-211720e]
at com.dremio.concurrent.SingletonRunnable.run(SingletonRunnable.java:41) [dremio-common-4.0.1-201909191652190301-211720e.jar:4.0.1-201909191652190301-211720e]
at com.dremio.concurrent.SafeRunnable.run(SafeRunnable.java:40) [dremio-common-4.0.1-201909191652190301-211720e.jar:4.0.1-201909191652190301-211720e]
at com.dremio.concurrent.Runnables$1.run(Runnables.java:45) [dremio-common-4.0.1-201909191652190301-211720e.jar:4.0.1-201909191652190301-211720e]
Caused by: javax.ws.rs.ProcessingException: java.net.ConnectException: Connection refused (Connection refused)
at org.glassfish.jersey.client.internal.HttpUrlConnector.apply(HttpUrlConnector.java:287) ~[jersey-client-2.25.1.jar:na]
at org.glassfish.jersey.client.ClientRuntime.invoke(ClientRuntime.java:252) ~[jersey-client-2.25.1.jar:na]
at org.glassfish.jersey.client.JerseyInvocation$2.call(JerseyInvocation.java:701) ~[jersey-client-2.25.1.jar:na]
at org.glassfish.jersey.internal.Errors.process(Errors.java:315) ~[jersey-common-2.25.1.jar:na]
at org.glassfish.jersey.internal.Errors.process(Errors.java:297) ~[jersey-common-2.25.1.jar:na]
at org.glassfish.jersey.internal.Errors.process(Errors.java:228) ~[jersey-common-2.25.1.jar:na]
at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:444) ~[jersey-common-2.25.1.jar:na]
at org.glassfish.jersey.client.JerseyInvocation.invoke(JerseyInvocation.java:697) ~[jersey-client-2.25.1.jar:na]
at com.dremio.plugins.elastic.ElasticActions$NodesInfo.getResult(ElasticActions.java:147) ~[dremio-elasticsearch-plugin-4.0.1-201909191652190301-211720e.jar:4.0.1-201909191652190301-211720e]
at com.dremio.plugins.elastic.ElasticConnectionPool$ElasticConnection.executeAndHandleResponseCode(ElasticConnectionPool.java:654) [dremio-elasticsearch-plugin-4.0.1-201909191652190301-211720e.jar:4.0.1-201909191652190301-211720e]
... 9 common frames omitted