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https://issues.apache.org/jira/browse/SOLR-12075?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andrzej Bialecki resolved SOLR-12075.
--------------------------------------
Resolution: Fixed
Fixed as a part of SOLR-12923.
> TestLargeCluster is too flaky
> -----------------------------
>
> Key: SOLR-12075
> URL: https://issues.apache.org/jira/browse/SOLR-12075
> Project: Solr
> Issue Type: Bug
> Components: AutoScaling
> Reporter: Andrzej Bialecki
> Assignee: Andrzej Bialecki
> Priority: Major
>
> This test is failing a lot in jenkins builds, with two types of failures:
> * specific test method failures - this may be caused by either bugs in the
> autoscaling code, bugs in the simulator or timing issues. It should be
> possible to narrow down the cause by using different speeds of simulated time.
> * suite-level failures due to leaked threads - most of these failures
> indicate the ongoing Policy calculations, eg:
> {code}
> com.carrotsearch.randomizedtesting.ThreadLeakError: 1 thread leaked from
> SUITE scope at org.apache.solr.cloud.autoscaling.sim.TestLargeCluster:
> 1) Thread[id=21406, name=AutoscalingActionExecutor-7277-thread-1,
> state=RUNNABLE, group=TGRP-TestLargeCluster]
> at java.util.ArrayList.iterator(ArrayList.java:834)
> at org.apache.solr.common.util.Utils.getDeepCopy(Utils.java:131)
> at org.apache.solr.common.util.Utils.makeDeepCopy(Utils.java:110)
> at org.apache.solr.common.util.Utils.getDeepCopy(Utils.java:92)
> at org.apache.solr.common.util.Utils.makeDeepCopy(Utils.java:108)
> at org.apache.solr.common.util.Utils.getDeepCopy(Utils.java:92)
> at org.apache.solr.common.util.Utils.getDeepCopy(Utils.java:74)
> at org.apache.solr.client.solrj.cloud.autoscaling.Row.copy(Row.java:91)
> at
> org.apache.solr.client.solrj.cloud.autoscaling.Policy$Session.lambda$getMatrixCopy$1(Policy.java:297)
> at
> org.apache.solr.client.solrj.cloud.autoscaling.Policy$Session$$Lambda$466/1757323495.apply(Unknown
> Source)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1374)
> at
> java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
> at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
> at
> java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
> at
> java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at
> java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
> at
> org.apache.solr.client.solrj.cloud.autoscaling.Policy$Session.getMatrixCopy(Policy.java:298)
> at
> org.apache.solr.client.solrj.cloud.autoscaling.Policy$Session.copy(Policy.java:287)
> at
> org.apache.solr.client.solrj.cloud.autoscaling.Row.removeReplica(Row.java:156)
> at
> org.apache.solr.client.solrj.cloud.autoscaling.MoveReplicaSuggester.tryEachNode(MoveReplicaSuggester.java:60)
> at
> org.apache.solr.client.solrj.cloud.autoscaling.MoveReplicaSuggester.init(MoveReplicaSuggester.java:34)
> at
> org.apache.solr.client.solrj.cloud.autoscaling.Suggester.getSuggestion(Suggester.java:129)
> at
> org.apache.solr.cloud.autoscaling.ComputePlanAction.process(ComputePlanAction.java:98)
> at
> org.apache.solr.cloud.autoscaling.ScheduledTriggers.lambda$null$3(ScheduledTriggers.java:307)
> at
> org.apache.solr.cloud.autoscaling.ScheduledTriggers$$Lambda$439/951218654.run(Unknown
> Source)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:188)
> at
> org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$$Lambda$9/1677458082.run(Unknown
> Source)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> at __randomizedtesting.SeedInfo.seed([C6FA0364D13DAFCC]:0)
> {code}
> It's possible that somewhere an InterruptedException is caught and not
> propagated so that the Policy calculations don't terminate when the thread is
> interrupted when closing parent components.
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