Elasticsearch crashing

Elastic Stack Elasticsearch
1

Elasticsearch is suddenly not working, as i checked following logs being generated.

[2019-03-22T12:34:05,574][DEBUG][o.e.a.s.TransportSearchAction] [8sPBzKL] All shards failed for phase: [query]
[2019-03-22T12:34:05,954][WARN ][r.suppressed             ] path: /.kibana/_search, params: {ignore_unavailable=true, index=.kibana, filter_path=aggregations.types.buckets}
org.elasticsearch.action.search.SearchPhaseExecutionException: all shards failed
        at org.elasticsearch.action.search.AbstractSearchAsyncAction.onPhaseFailure(AbstractSearchAsyncAction.java:293) ~[elasticsearch-6.4.2.jar:6.4.2]
        at org.elasticsearch.action.search.AbstractSearchAsyncAction.executeNextPhase(AbstractSearchAsyncAction.java:133) ~[elasticsearch-6.4.2.jar:6.4.2]
        at org.elasticsearch.action.search.AbstractSearchAsyncAction.onPhaseDone(AbstractSearchAsyncAction.java:254) ~[elasticsearch-6.4.2.jar:6.4.2]
        at org.elasticsearch.action.search.InitialSearchPhase.onShardFailure(InitialSearchPhase.java:101) ~[elasticsearch-6.4.2.jar:6.4.2]
        at org.elasticsearch.action.search.InitialSearchPhase.lambda$performPhaseOnShard$1(InitialSearchPhase.java:210) ~[elasticsearch-6.4.2.jar:6.4.2]
        at org.elasticsearch.action.search.InitialSearchPhase$1.doRun(InitialSearchPhase.java:189) [elasticsearch-6.4.2.jar:6.4.2]
        at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:723) [elasticsearch-6.4.2.jar:6.4.2]
        at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-6.4.2.jar:6.4.2]
        at org.elasticsearch.common.util.concurrent.TimedRunnable.doRun(TimedRunnable.java:41) [elasticsearch-6.4.2.jar:6.4.2]
        at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-6.4.2.jar:6.4.2]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_191]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_191]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]

Kibana not loading anything from Elasticsearch. Any idea?

2

Have a look at the Elasticsearch logs for further clues. It would also help if you described your cluster and setup as well as use case a bit as there is very little information to go on.

3

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