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[CI] MlWithSecurityIT ml/data_frame_analytics_crud/Test get stats given multiple analytics failed #60876

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droberts195 opened this issue Aug 10, 2020 · 1 comment · Fixed by #61180
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:ml Machine learning >test-failure Triaged test failures from CI

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@droberts195
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Build scan:

https://gradle-enterprise.elastic.co/s/sg54toruksniu

Repro line:

./gradlew ':x-pack:plugin:ml:qa:ml-with-security:integTestRunner' --tests "org.elasticsearch.smoketest.MlWithSecurityIT.test {yaml=ml/data_frame_analytics_crud/Test get stats given multiple analytics}" \
  -Dtests.seed=9F814CADF1385EAE \
  -Dtests.security.manager=true \
  -Dtests.locale=es-SV \
  -Dtests.timezone=Etc/GMT+1 \
  -Druntime.java=8

Reproduces locally?:

No

Applicable branches:

7.9 observed, but almost certainly could affect 7.x and master too given what it is

Failure history:

https://build-stats.elastic.co/app/kibana#/discover?_g=(refreshInterval:(pause:!t,value:0),time:(from:now-6M,mode:quick,to:now))&_a=(columns:!(_source),index:b646ed00-7efc-11e8-bf69-63c8ef516157,interval:auto,query:(language:lucene,query:'MlWithSecurityIT%20AND%20ml%20AND%20data_frame_analytics_crud%20AND%20Test%20AND%20get%20AND%20stats%20AND%20given%20AND%20multiple%20AND%20analytics%20AND%20failed'),sort:!(process.time-start,desc))

Failure excerpt:

This is a case of "all shards failed" on a .ml-stats* search.

The server side logs show this:

[2020-08-10T08:30:10,269][INFO ][o.e.c.m.MetadataCreateIndexService] [integTest-0] [.ml-stats-000001] creating index, cause [api], templates [.ml-stats], shards [1]/[1]
[2020-08-10T08:30:10,269][INFO ][o.e.c.r.a.AllocationService] [integTest-0] updating number_of_replicas to [0] for indices [.ml-stats-000001]
[2020-08-10T08:30:10,270][DEBUG][o.e.c.c.PublicationTransportHandler] [integTest-0] received diff cluster state version [8417] with uuid [cT3AZ6XDT6udgnWX6wdaLg], diff size [1110]
[2020-08-10T08:30:10,319][DEBUG][o.e.c.c.C.CoordinatorPublication] [integTest-0] publication ended successfully: Publication{term=1, version=8417}
[2020-08-10T08:30:10,325][INFO ][o.e.x.i.IndexLifecycleTransition] [integTest-0] moving index [.ml-stats-000001] from [null] to [{"phase":"new","action":"complete","name":"complete"}] in policy [ml-size-based-ilm-policy]
[2020-08-10T08:30:10,326][DEBUG][o.e.c.c.PublicationTransportHandler] [integTest-0] received diff cluster state version [8418] with uuid [pGnODAmLRkayZvZQvpCk0A], diff size [509]
[2020-08-10T08:30:10,358][ERROR][o.e.x.m.a.TransportGetDataFrameAnalyticsStatsAction] [integTest-0] [foo-2] Item failure encountered during multi search for request [indices=[.ml-stats-000001, .ml-stats-write], source={"size":1,"query":{"bool":{"filter":[{"term":{"job_id":{"value":"foo-2","boost":1.0}}},{"term":{"type":{"value":"analytics_data_counts","boost":1.0}}}],"adjust_pure_negative":true,"boost":1.0}},"sort":[{"timestamp":{"order":"desc","unmapped_type":"long"}}]}]: all shards failed
org.elasticsearch.action.search.SearchPhaseExecutionException: all shards failed
        at org.elasticsearch.action.search.AbstractSearchAsyncAction.onPhaseFailure(AbstractSearchAsyncAction.java:551) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.AbstractSearchAsyncAction.executeNextPhase(AbstractSearchAsyncAction.java:309) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.AbstractSearchAsyncAction.onPhaseDone(AbstractSearchAsyncAction.java:582) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.AbstractSearchAsyncAction.onShardFailure(AbstractSearchAsyncAction.java:393) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.AbstractSearchAsyncAction.access$100(AbstractSearchAsyncAction.java:68) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.AbstractSearchAsyncAction$1.onFailure(AbstractSearchAsyncAction.java:245) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.SearchExecutionStatsCollector.onFailure(SearchExecutionStatsCollector.java:73) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.ActionListenerResponseHandler.handleException(ActionListenerResponseHandler.java:59) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.SearchTransportService$ConnectionCountingHandler.handleException(SearchTransportService.java:403) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.transport.TransportService$6.handleException(TransportService.java:638) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.transport.TransportService$ContextRestoreResponseHandler.handleException(TransportService.java:1172) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.transport.TransportService$DirectResponseChannel.processException(TransportService.java:1281) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.transport.TransportService$DirectResponseChannel.sendResponse(TransportService.java:1255) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.transport.TaskTransportChannel.sendResponse(TaskTransportChannel.java:61) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.transport.TransportChannel.sendErrorResponse(TransportChannel.java:56) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.support.ChannelActionListener.onFailure(ChannelActionListener.java:51) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.search.SearchService.lambda$runAsync$0(SearchService.java:414) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.common.util.concurrent.TimedRunnable.doRun(TimedRunnable.java:44) [elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:710) [elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_241]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_241]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_241]

There is also a secondary problem, which is that we seem to be trying to respond after already sending a failure response:

[2020-08-10T08:30:10,362][ERROR][o.e.r.a.RestResponseListener] [integTest-0] failed to send failure response
java.lang.IllegalStateException: Channel is already closed
        at org.elasticsearch.rest.RestController$ResourceHandlingHttpChannel.close(RestController.java:511) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.rest.RestController$ResourceHandlingHttpChannel.sendResponse(RestController.java:504) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.rest.action.RestActionListener.onFailure(RestActionListener.java:58) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.support.TransportAction$1.onFailure(TransportAction.java:98) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.support.ContextPreservingActionListener.onFailure(ContextPreservingActionListener.java:50) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.ActionListener$1.onFailure(ActionListener.java:71) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.ActionListener$1.onFailure(ActionListener.java:71) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.xpack.ml.action.TransportGetDataFrameAnalyticsStatsAction.lambda$searchStats$7(TransportGetDataFrameAnalyticsStatsAction.java:220) ~[?:?]
        at org.elasticsearch.action.ActionListener$1.onResponse(ActionListener.java:63) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.support.ContextPreservingActionListener.onResponse(ContextPreservingActionListener.java:43) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.support.TransportAction$1.onResponse(TransportAction.java:89) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.support.TransportAction$1.onResponse(TransportAction.java:83) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.support.ContextPreservingActionListener.onResponse(ContextPreservingActionListener.java:43) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.TransportMultiSearchAction$1.finish(TransportMultiSearchAction.java:178) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.TransportMultiSearchAction$1.handleResponse(TransportMultiSearchAction.java:164) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.TransportMultiSearchAction$1.onFailure(TransportMultiSearchAction.java:157) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.support.TransportAction$1.onFailure(TransportAction.java:98) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.support.ContextPreservingActionListener.onFailure(ContextPreservingActionListener.java:50) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.AbstractSearchAsyncAction.raisePhaseFailure(AbstractSearchAsyncAction.java:573) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.AbstractSearchAsyncAction.onPhaseFailure(AbstractSearchAsyncAction.java:551) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.AbstractSearchAsyncAction.executeNextPhase(AbstractSearchAsyncAction.java:309) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.AbstractSearchAsyncAction.onPhaseDone(AbstractSearchAsyncAction.java:582) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.AbstractSearchAsyncAction.onShardFailure(AbstractSearchAsyncAction.java:393) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.AbstractSearchAsyncAction.access$100(AbstractSearchAsyncAction.java:68) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.AbstractSearchAsyncAction$1.onFailure(AbstractSearchAsyncAction.java:245) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.SearchExecutionStatsCollector.onFailure(SearchExecutionStatsCollector.java:73) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.ActionListenerResponseHandler.handleException(ActionListenerResponseHandler.java:59) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.search.SearchTransportService$ConnectionCountingHandler.handleException(SearchTransportService.java:403) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.transport.TransportService$6.handleException(TransportService.java:638) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.transport.TransportService$ContextRestoreResponseHandler.handleException(TransportService.java:1172) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.transport.TransportService$DirectResponseChannel.processException(TransportService.java:1281) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.transport.TransportService$DirectResponseChannel.sendResponse(TransportService.java:1255) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.transport.TaskTransportChannel.sendResponse(TaskTransportChannel.java:61) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.transport.TransportChannel.sendErrorResponse(TransportChannel.java:56) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.action.support.ChannelActionListener.onFailure(ChannelActionListener.java:51) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.search.SearchService.lambda$runAsync$0(SearchService.java:414) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.common.util.concurrent.TimedRunnable.doRun(TimedRunnable.java:44) [elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:710) [elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_241]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_241]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_241]
        Suppressed: org.elasticsearch.ElasticsearchException: all shards failed
                at org.elasticsearch.xpack.core.ml.utils.ExceptionsHelper.serverError(ExceptionsHelper.java:55) ~[?:?]
                at org.elasticsearch.xpack.ml.action.TransportGetDataFrameAnalyticsStatsAction.lambda$searchStats$7(TransportGetDataFrameAnalyticsStatsAction.java:220) ~[?:?]
                at org.elasticsearch.action.ActionListener$1.onResponse(ActionListener.java:63) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.support.ContextPreservingActionListener.onResponse(ContextPreservingActionListener.java:43) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.support.TransportAction$1.onResponse(TransportAction.java:89) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.support.TransportAction$1.onResponse(TransportAction.java:83) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.support.ContextPreservingActionListener.onResponse(ContextPreservingActionListener.java:43) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.search.TransportMultiSearchAction$1.finish(TransportMultiSearchAction.java:178) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.search.TransportMultiSearchAction$1.handleResponse(TransportMultiSearchAction.java:164) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.search.TransportMultiSearchAction$1.onFailure(TransportMultiSearchAction.java:157) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.support.TransportAction$1.onFailure(TransportAction.java:98) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.support.ContextPreservingActionListener.onFailure(ContextPreservingActionListener.java:50) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.search.AbstractSearchAsyncAction.raisePhaseFailure(AbstractSearchAsyncAction.java:573) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.search.AbstractSearchAsyncAction.onPhaseFailure(AbstractSearchAsyncAction.java:551) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.search.AbstractSearchAsyncAction.executeNextPhase(AbstractSearchAsyncAction.java:309) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.search.AbstractSearchAsyncAction.onPhaseDone(AbstractSearchAsyncAction.java:582) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.search.AbstractSearchAsyncAction.onShardFailure(AbstractSearchAsyncAction.java:393) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.search.AbstractSearchAsyncAction.access$100(AbstractSearchAsyncAction.java:68) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.search.AbstractSearchAsyncAction$1.onFailure(AbstractSearchAsyncAction.java:245) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.search.SearchExecutionStatsCollector.onFailure(SearchExecutionStatsCollector.java:73) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.ActionListenerResponseHandler.handleException(ActionListenerResponseHandler.java:59) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.search.SearchTransportService$ConnectionCountingHandler.handleException(SearchTransportService.java:403) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.transport.TransportService$6.handleException(TransportService.java:638) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.transport.TransportService$ContextRestoreResponseHandler.handleException(TransportService.java:1172) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.transport.TransportService$DirectResponseChannel.processException(TransportService.java:1281) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.transport.TransportService$DirectResponseChannel.sendResponse(TransportService.java:1255) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.transport.TaskTransportChannel.sendResponse(TaskTransportChannel.java:61) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.transport.TransportChannel.sendErrorResponse(TransportChannel.java:56) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.action.support.ChannelActionListener.onFailure(ChannelActionListener.java:51) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.search.SearchService.lambda$runAsync$0(SearchService.java:414) ~[elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.common.util.concurrent.TimedRunnable.doRun(TimedRunnable.java:44) [elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:710) [elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-7.9.0-SNAPSHOT.jar:7.9.0-SNAPSHOT]
                at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_241]
                at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_241]
                at java.lang.Thread.run(Thread.java:748) [?:1.8.0_241]
        Caused by: org.elasticsearch.action.search.SearchPhaseExecutionException: all shards failed
                ... 23 more

There are two possibilities here:

  1. The .ml-stats* index is getting created as a direct effect of something the test does, in which case we need to wait for yellow status in the code that creates it
  2. The .ml-stats* index is getting created by some background service, in which case this issue is a variation on [CI] Deleting data frame analytics jobs can throw all shards failed #60462
@droberts195 droberts195 added >test-failure Triaged test failures from CI :ml Machine learning labels Aug 10, 2020
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