I have installed and working an elasticseach 2.4.1 in a Centos, when I want stop the process "service elasticsearch stop" (command line), I can not do it and the following error appears in the cluster log location in /var/log/elasticsearch/ :
[2017-01-12 14:08:55,148][DEBUG][action.admin.indices.stats] [Black Panther] failed to execute [indices:monitor/stats] on node [sNxhZ5RmRaWC_Dt8YlBpfA]
SendRequestTransportException[[Black Panther][127.0.0.1:9300][indices:monitor/stats[n]]]; nested: TransportException[TransportService is closed stopped can't send request];
at org.elasticsearch.transport.TransportService.sendRequest(TransportService.java:340)
at org.elasticsearch.transport.TransportService.sendRequest(TransportService.java:299)
at org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction$AsyncAction.sendNodeRequest(TransportBroadcastByNodeAction.java:327)
at org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction$AsyncAction.start(TransportBroadcastByNodeAction.java:315)
at org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction.doExecute(TransportBroadcastByNodeAction.java:238)
at org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction.doExecute(TransportBroadcastByNodeAction.java:79)
at org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:137)
at org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:85)
at org.elasticsearch.cluster.InternalClusterInfoService.updateIndicesStats(InternalClusterInfoService.java:303)
at org.elasticsearch.cluster.InternalClusterInfoService.refresh(InternalClusterInfoService.java:354)
at org.elasticsearch.cluster.InternalClusterInfoService.maybeRefresh(InternalClusterInfoService.java:310)
at org.elasticsearch.cluster.InternalClusterInfoService.access$600(InternalClusterInfoService.java:69)
at org.elasticsearch.cluster.InternalClusterInfoService$SubmitReschedulingClusterInfoUpdatedJob$1.run(InternalClusterInfoService.java:255)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: TransportException[TransportService is closed stopped can't send request]
at org.elasticsearch.transport.TransportService.sendRequest(TransportService.java:320)
... 15 more