No Monitoring Data Found(cluster_stats not exist)

Elastic Stack Elasticsearch
1

hello, when i visit kibana monitoring, No Monitoring Data Found is present, i found .monitoring-es-6-* indices doesn't have cluster_stats and es cluster master node show the java.lang.NullPointerException.

detail exception:

[2018-07-09T00:00:10,644][ERROR][o.e.x.m.c.c.ClusterStatsCollector] [esm3] collector [cluster_stats] failed to collect data
java.lang.NullPointerException: null
at org.elasticsearch.xpack.monitoring.collector.cluster.ClusterStatsCollector.doCollect(ClusterStatsCollector.java:119) ~[x-pack-6.1.2.jar:6.1.2]
at org.elasticsearch.xpack.monitoring.collector.Collector.collect(Collector.java:100) [x-pack-6.1.2.jar:6.1.2]
at org.elasticsearch.xpack.monitoring.MonitoringService$MonitoringExecution$1.doRun(MonitoringService.java:222) [x-pack-6.1.2.jar:6.1.2]
at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-6.1.2.jar:6.1.2]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_161]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_161]
at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:568) [elasticsearch-6.1.2.jar:6.1.2]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_161]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_161]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_161]

thanks advance!

2

Hi @laywin,

This is very strange. The code is failing at a simple check for the license to determine if we should be using means that we should warn about TLS being required (a static Cluster Alert):

For anything there to be null is very weird. Can you do a few things to explore this:

  1. GET /_xpack/license
  2. GET /_nodes/settings and search for security?

I have not heard of, nor seen this error before, so this is very odd.

Thanks,
Chris

3

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