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Posted to builds@lucene.apache.org by Apache Jenkins Server <je...@builds.apache.org> on 2021/04/14 03:33:03 UTC

[JENKINS] Lucene » Lucene-Solr-Tests-8.x - Build # 2091 - Still Unstable!

Build: https://ci-builds.apache.org/job/Lucene/job/Lucene-Solr-Tests-8.x/2091/

3 tests failed.
FAILED:  org.apache.solr.cloud.ZkFailoverTest.testRestartZkWhenClusterDown

Error Message:
No live SolrServers available to handle this request:[http://127.0.0.1:38613/solr/coll1]

Stack Trace:
org.apache.solr.client.solrj.SolrServerException: No live SolrServers available to handle this request:[http://127.0.0.1:38613/solr/coll1]
	at __randomizedtesting.SeedInfo.seed([FBC8290272638634:955FAA4E0B8420B7]:0)
	at org.apache.solr.client.solrj.impl.LBSolrClient.request(LBSolrClient.java:346)
	at org.apache.solr.client.solrj.impl.BaseCloudSolrClient.sendRequest(BaseCloudSolrClient.java:1171)
	at org.apache.solr.client.solrj.impl.BaseCloudSolrClient.requestWithRetryOnStaleState(BaseCloudSolrClient.java:934)
	at org.apache.solr.client.solrj.impl.BaseCloudSolrClient.request(BaseCloudSolrClient.java:866)
	at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:214)
	at org.apache.solr.cloud.ZkFailoverTest.testRestartZkWhenClusterDown(ZkFailoverTest.java:64)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
	at com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
	at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
	at org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
	at org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
	at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
	at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
	at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
	at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
	at org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
	at org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
	at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error from server at http://127.0.0.1:38613/solr/coll1: no servers hosting shard: shard2
	at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:681)
	at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:266)
	at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:248)
	at org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:369)
	at org.apache.solr.client.solrj.impl.LBSolrClient.request(LBSolrClient.java:297)
	... 48 more


FAILED:  junit.framework.TestSuite.org.apache.solr.cloud.ZkFailoverTest

Error Message:
16 threads leaked from SUITE scope at org.apache.solr.cloud.ZkFailoverTest:     1) Thread[id=8581, name=NIOWorkerThread-6, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)    2) Thread[id=8570, name=NIOWorkerThread-1, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)    3) Thread[id=8568, name=ProcessThread(sid:0 cport:34633):, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:140)    4) Thread[id=8564, name=NIOServerCxnFactory.SelectorThread-0, state=RUNNABLE, group=TGRP-ZkFailoverTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.select(NIOServerCnxnFactory.java:417)         at org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.run(NIOServerCnxnFactory.java:382)    5) Thread[id=8566, name=SessionTracker, state=TIMED_WAITING, group=TGRP-ZkFailoverTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:157)    6) Thread[id=8562, name=ZkTestServer Run Thread, state=WAITING, group=TGRP-ZkFailoverTest]         at java.lang.Object.wait(Native Method)         at java.lang.Thread.join(Thread.java:1252)         at java.lang.Thread.join(Thread.java:1326)         at org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:929)         at org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:349)         at org.apache.solr.cloud.ZkTestServer$2.run(ZkTestServer.java:580)    7) Thread[id=8574, name=NIOWorkerThread-3, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)    8) Thread[id=8567, name=SyncThread:0, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:170)    9) Thread[id=8565, name=NIOServerCxnFactory.AcceptThread:0.0.0.0/0.0.0.0:34633, state=RUNNABLE, group=TGRP-ZkFailoverTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.select(NIOServerCnxnFactory.java:219)         at org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.run(NIOServerCnxnFactory.java:195)   10) Thread[id=8563, name=ConnnectionExpirer, state=TIMED_WAITING, group=TGRP-ZkFailoverTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.zookeeper.server.NIOServerCnxnFactory$ConnectionExpirerThread.run(NIOServerCnxnFactory.java:568)   11) Thread[id=8578, name=NIOWorkerThread-4, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)   12) Thread[id=8579, name=NIOWorkerThread-5, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)   13) Thread[id=8573, name=NIOWorkerThread-2, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)   14) Thread[id=8569, name=RequestThrottler, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.server.RequestThrottler.run(RequestThrottler.java:139)   15) Thread[id=8582, name=NIOWorkerThread-7, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)   16) Thread[id=8583, name=NIOWorkerThread-8, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 16 threads leaked from SUITE scope at org.apache.solr.cloud.ZkFailoverTest: 
   1) Thread[id=8581, name=NIOWorkerThread-6, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   2) Thread[id=8570, name=NIOWorkerThread-1, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   3) Thread[id=8568, name=ProcessThread(sid:0 cport:34633):, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:140)
   4) Thread[id=8564, name=NIOServerCxnFactory.SelectorThread-0, state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.select(NIOServerCnxnFactory.java:417)
        at org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.run(NIOServerCnxnFactory.java:382)
   5) Thread[id=8566, name=SessionTracker, state=TIMED_WAITING, group=TGRP-ZkFailoverTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:157)
   6) Thread[id=8562, name=ZkTestServer Run Thread, state=WAITING, group=TGRP-ZkFailoverTest]
        at java.lang.Object.wait(Native Method)
        at java.lang.Thread.join(Thread.java:1252)
        at java.lang.Thread.join(Thread.java:1326)
        at org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:929)
        at org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:349)
        at org.apache.solr.cloud.ZkTestServer$2.run(ZkTestServer.java:580)
   7) Thread[id=8574, name=NIOWorkerThread-3, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   8) Thread[id=8567, name=SyncThread:0, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:170)
   9) Thread[id=8565, name=NIOServerCxnFactory.AcceptThread:0.0.0.0/0.0.0.0:34633, state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.select(NIOServerCnxnFactory.java:219)
        at org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.run(NIOServerCnxnFactory.java:195)
  10) Thread[id=8563, name=ConnnectionExpirer, state=TIMED_WAITING, group=TGRP-ZkFailoverTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.server.NIOServerCnxnFactory$ConnectionExpirerThread.run(NIOServerCnxnFactory.java:568)
  11) Thread[id=8578, name=NIOWorkerThread-4, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  12) Thread[id=8579, name=NIOWorkerThread-5, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  13) Thread[id=8573, name=NIOWorkerThread-2, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  14) Thread[id=8569, name=RequestThrottler, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.server.RequestThrottler.run(RequestThrottler.java:139)
  15) Thread[id=8582, name=NIOWorkerThread-7, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  16) Thread[id=8583, name=NIOWorkerThread-8, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
	at __randomizedtesting.SeedInfo.seed([FBC8290272638634]:0)


FAILED:  junit.framework.TestSuite.org.apache.solr.cloud.ZkFailoverTest

Error Message:
There are still zombie threads that couldn't be terminated:    1) Thread[id=8581, name=NIOWorkerThread-6, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)    2) Thread[id=8570, name=NIOWorkerThread-1, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)    3) Thread[id=8578, name=NIOWorkerThread-4, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)    4) Thread[id=8564, name=NIOServerCxnFactory.SelectorThread-0, state=RUNNABLE, group=TGRP-ZkFailoverTest]         at sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)         at sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:317)         at sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:207)         at java.nio.channels.spi.AbstractSelector$1.interrupt(AbstractSelector.java:213)         at java.nio.channels.spi.AbstractSelector.begin(AbstractSelector.java:219)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.select(NIOServerCnxnFactory.java:417)         at org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.run(NIOServerCnxnFactory.java:382)    5) Thread[id=8579, name=NIOWorkerThread-5, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)    6) Thread[id=8574, name=NIOWorkerThread-3, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)    7) Thread[id=8573, name=NIOWorkerThread-2, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)    8) Thread[id=8582, name=NIOWorkerThread-7, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)    9) Thread[id=8583, name=NIOWorkerThread-8, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)   10) Thread[id=8565, name=NIOServerCxnFactory.AcceptThread:0.0.0.0/0.0.0.0:34633, state=RUNNABLE, group=TGRP-ZkFailoverTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.select(NIOServerCnxnFactory.java:219)         at org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.run(NIOServerCnxnFactory.java:195)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie threads that couldn't be terminated:
   1) Thread[id=8581, name=NIOWorkerThread-6, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   2) Thread[id=8570, name=NIOWorkerThread-1, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   3) Thread[id=8578, name=NIOWorkerThread-4, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   4) Thread[id=8564, name=NIOServerCxnFactory.SelectorThread-0, state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)
        at sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:317)
        at sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:207)
        at java.nio.channels.spi.AbstractSelector$1.interrupt(AbstractSelector.java:213)
        at java.nio.channels.spi.AbstractSelector.begin(AbstractSelector.java:219)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.select(NIOServerCnxnFactory.java:417)
        at org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.run(NIOServerCnxnFactory.java:382)
   5) Thread[id=8579, name=NIOWorkerThread-5, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   6) Thread[id=8574, name=NIOWorkerThread-3, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   7) Thread[id=8573, name=NIOWorkerThread-2, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   8) Thread[id=8582, name=NIOWorkerThread-7, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   9) Thread[id=8583, name=NIOWorkerThread-8, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  10) Thread[id=8565, name=NIOServerCxnFactory.AcceptThread:0.0.0.0/0.0.0.0:34633, state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.select(NIOServerCnxnFactory.java:219)
        at org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.run(NIOServerCnxnFactory.java:195)
	at __randomizedtesting.SeedInfo.seed([FBC8290272638634]:0)




Build Log:
[...truncated 14116 lines...]
   [junit4] Suite: org.apache.solr.cloud.ZkFailoverTest
   [junit4]   2> 564079 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.SolrTestCase Setting 'solr.default.confdir' system property to test-framework derived value of '/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-Tests-8.x/solr/server/solr/configsets/_default/conf'
   [junit4]   2> 564080 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.SolrTestCaseJ4 Created dataDir: /home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-Tests-8.x/solr/build/solr-core/test/J0/temp/solr.cloud.ZkFailoverTest_FBC8290272638634-001/data-dir-51-001
   [junit4]   2> 564080 WARN  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.SolrTestCaseJ4 startTrackingSearchers: numOpens=31 numCloses=31
   [junit4]   2> 564080 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.SolrTestCaseJ4 Using TrieFields (NUMERIC_POINTS_SYSPROP=false) w/NUMERIC_DOCVALUES_SYSPROP=false
   [junit4]   2> 564081 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.SolrTestCaseJ4 Randomized ssl (false) and clientAuth (true) via: @org.apache.solr.util.RandomizeSSL(reason=, value=NaN, ssl=NaN, clientAuth=NaN)
   [junit4]   2> 564082 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.SolrTestCaseJ4 SecureRandom sanity checks: test.solr.allowed.securerandom=null & java.security.egd=file:/dev/./urandom
   [junit4]   2> 564082 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.c.MiniSolrCloudCluster Starting cluster of 2 servers in /home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-Tests-8.x/solr/build/solr-core/test/J0/temp/solr.cloud.ZkFailoverTest_FBC8290272638634-001/tempDir-001
   [junit4]   2> 564082 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 564082 INFO  (ZkTestServer Run Thread) [     ] o.a.s.c.ZkTestServer client port: 0.0.0.0/0.0.0.0:0
   [junit4]   2> 564082 INFO  (ZkTestServer Run Thread) [     ] o.a.s.c.ZkTestServer Starting server
   [junit4]   2> 564083 WARN  (ZkTestServer Run Thread) [     ] o.a.z.s.ServerCnxnFactory maxCnxns is not configured, using default value 0.
   [junit4]   2> 564182 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.c.ZkTestServer start zk server on port: 34633
   [junit4]   2> 564182 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.c.ZkTestServer waitForServerUp: 127.0.0.1:34633
   [junit4]   2> 564182 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:34633
   [junit4]   2> 564182 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.c.ZkTestServer connecting to 127.0.0.1 34633
   [junit4]   2> 564184 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 564185 INFO  (zkConnectionManagerCallback-4493-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 564186 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 564202 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 564213 INFO  (zkConnectionManagerCallback-4495-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 564213 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 564214 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 564216 INFO  (zkConnectionManagerCallback-4497-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 564216 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 564217 WARN  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker-SendThread(127.0.0.1:34633)) [     ] o.a.z.ClientCnxn An exception was thrown while closing send thread for session 0x1048542b38c0002.
   [junit4]   2>           => EndOfStreamException: Unable to read additional data from server sessionid 0x1048542b38c0002, likely server has closed socket
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable to read additional data from server sessionid 0x1048542b38c0002, likely server has closed socket
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77) ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350) ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1275) [zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 564318 INFO  (jetty-launcher-4498-thread-1) [     ] o.a.s.c.s.e.JettySolrRunner Start Jetty (configured port=0, binding port=0)
   [junit4]   2> 564318 INFO  (jetty-launcher-4498-thread-1) [     ] o.a.s.c.s.e.JettySolrRunner Trying to start Jetty on port 0 try number 2 ...
   [junit4]   2> 564319 INFO  (jetty-launcher-4498-thread-1) [     ] o.e.j.s.Server jetty-9.4.34.v20201102; built: 2020-11-02T14:15:39.302Z; git: e46af88704a893fc12cb0e3bf46e2c7b48a009e7; jvm 1.8.0_281-b09
   [junit4]   2> 564319 INFO  (jetty-launcher-4498-thread-2) [     ] o.a.s.c.s.e.JettySolrRunner Start Jetty (configured port=0, binding port=0)
   [junit4]   2> 564319 INFO  (jetty-launcher-4498-thread-2) [     ] o.a.s.c.s.e.JettySolrRunner Trying to start Jetty on port 0 try number 2 ...
   [junit4]   2> 564319 INFO  (jetty-launcher-4498-thread-2) [     ] o.e.j.s.Server jetty-9.4.34.v20201102; built: 2020-11-02T14:15:39.302Z; git: e46af88704a893fc12cb0e3bf46e2c7b48a009e7; jvm 1.8.0_281-b09
   [junit4]   2> 564320 INFO  (jetty-launcher-4498-thread-1) [     ] o.e.j.s.session DefaultSessionIdManager workerName=node0
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   [junit4]   2> 564324 INFO  (jetty-launcher-4498-thread-1) [     ] o.e.j.s.AbstractConnector Started ServerConnector@5a406d71{HTTP/1.1, (http/1.1, h2c)}{127.0.0.1:38613}
   [junit4]   2> 564324 INFO  (jetty-launcher-4498-thread-1) [     ] o.e.j.s.Server Started @564351ms
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   [junit4]   2> 564324 ERROR (jetty-launcher-4498-thread-1) [     ] o.a.s.u.StartupLoggingUtils Missing Java Option solr.log.dir. Logging may be missing or incomplete.
   [junit4]   2> 564324 INFO  (jetty-launcher-4498-thread-1) [     ] o.a.s.s.SolrDispatchFilter Using logger factory org.apache.logging.slf4j.Log4jLoggerFactory
   [junit4]   2> 564324 INFO  (jetty-launcher-4498-thread-1) [     ] o.a.s.s.SolrDispatchFilter  ___      _       Welcome to Apache Solr™ version 8.9.0
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   [junit4]   2> 564325 ERROR (jetty-launcher-4498-thread-2) [     ] o.a.s.u.StartupLoggingUtils Missing Java Option solr.log.dir. Logging may be missing or incomplete.
   [junit4]   2> 564325 INFO  (jetty-launcher-4498-thread-2) [     ] o.a.s.s.SolrDispatchFilter Using logger factory org.apache.logging.slf4j.Log4jLoggerFactory
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   [junit4]   2> 564327 INFO  (jetty-launcher-4498-thread-1) [     ] o.a.s.s.SolrDispatchFilter solr.xml found in ZooKeeper. Loading...
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   [junit4]   2> 564332 WARN  (jetty-launcher-4498-thread-1-SendThread(127.0.0.1:34633)) [     ] o.a.z.ClientCnxn An exception was thrown while closing send thread for session 0x1048542b38c0003.
   [junit4]   2>           => EndOfStreamException: Unable to read additional data from server sessionid 0x1048542b38c0003, likely server has closed socket
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable to read additional data from server sessionid 0x1048542b38c0003, likely server has closed socket
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77) ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350) ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1275) [zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 564333 INFO  (jetty-launcher-4498-thread-2) [     ] o.a.s.s.SolrDispatchFilter solr.xml found in ZooKeeper. Loading...
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   [junit4]   2> 564336 WARN  (jetty-launcher-4498-thread-2-SendThread(127.0.0.1:34633)) [     ] o.a.z.ClientCnxn An exception was thrown while closing send thread for session 0x1048542b38c0004.
   [junit4]   2>           => EndOfStreamException: Unable to read additional data from server sessionid 0x1048542b38c0004, likely server has closed socket
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable to read additional data from server sessionid 0x1048542b38c0004, likely server has closed socket
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77) ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350) ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1275) [zookeeper-3.6.2.jar:3.6.2]
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   [junit4]   2> 565269 INFO  (jetty-launcher-4498-thread-2) [     ] o.a.s.c.ZkContainer Zookeeper client=127.0.0.1:34633/solr
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   [junit4]   2> 565309 WARN  (jetty-launcher-4498-thread-2-SendThread(127.0.0.1:34633)) [     ] o.a.z.ClientCnxn An exception was thrown while closing send thread for session 0x1048542b38c0005.
   [junit4]   2>           => EndOfStreamException: Unable to read additional data from server sessionid 0x1048542b38c0005, likely server has closed socket
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable to read additional data from server sessionid 0x1048542b38c0005, likely server has closed socket
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77) ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350) ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1275) [zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 565428 INFO  (jetty-launcher-4498-thread-2) [n:127.0.0.1:46785_solr     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
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   [junit4]   2> 565440 INFO  (jetty-launcher-4498-thread-2) [n:127.0.0.1:46785_solr     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 565488 WARN  (jetty-launcher-4498-thread-2) [n:127.0.0.1:46785_solr     ] o.a.s.c.ZkController Contents of zookeeper /security.json are world-readable; consider setting up ACLs as described in https://solr.apache.org/guide/zookeeper-access-control.html
   [junit4]   2> 565507 INFO  (jetty-launcher-4498-thread-2) [n:127.0.0.1:46785_solr     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:46785_solr
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   [junit4]   2> 565524 INFO  (OverseerStateUpdate-73330015471403014-127.0.0.1:46785_solr-n_0000000000) [n:127.0.0.1:46785_solr     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:46785_solr
   [junit4]   2> 565536 INFO  (jetty-launcher-4498-thread-2) [n:127.0.0.1:46785_solr     ] o.a.s.c.ZkController Register node as live in ZooKeeper:/live_nodes/127.0.0.1:46785_solr
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   [junit4]   2> 565538 WARN  (jetty-launcher-4498-thread-2) [n:127.0.0.1:46785_solr     ] o.a.s.c.CoreContainer Not all security plugins configured!  authentication=disabled authorization=disabled.  Solr is only as secure as you make it. Consider configuring authentication/authorization before exposing Solr to users internal or external.  See https://s.apache.org/solrsecurity for more info
   [junit4]   2> 565552 INFO  (zkCallback-4517-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
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   [junit4]   2> 565970 WARN  (jetty-launcher-4498-thread-1) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@6aa16fb5[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 565970 WARN  (jetty-launcher-4498-thread-1) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@6aa16fb5[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 565972 WARN  (jetty-launcher-4498-thread-1) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@162f3292[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 565973 WARN  (jetty-launcher-4498-thread-1) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@162f3292[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 565974 INFO  (jetty-launcher-4498-thread-1) [     ] o.a.s.c.ZkContainer Zookeeper client=127.0.0.1:34633/solr
   [junit4]   2> 565976 INFO  (jetty-launcher-4498-thread-1) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 565977 INFO  (zkConnectionManagerCallback-4536-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 565977 INFO  (jetty-launcher-4498-thread-1) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 566079 INFO  (jetty-launcher-4498-thread-1) [n:127.0.0.1:38613_solr     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 566080 INFO  (zkConnectionManagerCallback-4538-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 566080 INFO  (jetty-launcher-4498-thread-1) [n:127.0.0.1:38613_solr     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 566084 WARN  (jetty-launcher-4498-thread-1) [n:127.0.0.1:38613_solr     ] o.a.s.c.ZkController Contents of zookeeper /security.json are world-readable; consider setting up ACLs as described in https://solr.apache.org/guide/zookeeper-access-control.html
   [junit4]   2> 566085 INFO  (jetty-launcher-4498-thread-1) [n:127.0.0.1:38613_solr     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 566087 INFO  (jetty-launcher-4498-thread-1) [n:127.0.0.1:38613_solr     ] o.a.s.c.ZkController Publish node=127.0.0.1:38613_solr as DOWN
   [junit4]   2> 566088 INFO  (jetty-launcher-4498-thread-1) [n:127.0.0.1:38613_solr     ] o.a.s.c.TransientSolrCoreCacheDefault Allocating transient cache for 2147483647 transient cores
   [junit4]   2> 566088 INFO  (jetty-launcher-4498-thread-1) [n:127.0.0.1:38613_solr     ] o.a.s.c.ZkController Register node as live in ZooKeeper:/live_nodes/127.0.0.1:38613_solr
   [junit4]   2> 566089 INFO  (zkCallback-4517-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 566090 INFO  (jetty-launcher-4498-thread-1) [n:127.0.0.1:38613_solr     ] o.a.s.p.PackageLoader /packages.json updated to version -1
   [junit4]   2> 566090 WARN  (jetty-launcher-4498-thread-1) [n:127.0.0.1:38613_solr     ] o.a.s.c.CoreContainer Not all security plugins configured!  authentication=disabled authorization=disabled.  Solr is only as secure as you make it. Consider configuring authentication/authorization before exposing Solr to users internal or external.  See https://s.apache.org/solrsecurity for more info
   [junit4]   2> 566108 INFO  (zkCallback-4537-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 566113 INFO  (jetty-launcher-4498-thread-1) [n:127.0.0.1:38613_solr     ] o.a.s.c.CorePropertiesLocator Found 0 core definitions underneath /home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-Tests-8.x/solr/build/solr-core/test/J0/temp/solr.cloud.ZkFailoverTest_FBC8290272638634-001/tempDir-001/node1
   [junit4]   2> 566119 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.c.MiniSolrCloudCluster waitForAllNodes: numServers=2
   [junit4]   2> 566120 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 566121 INFO  (zkConnectionManagerCallback-4549-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 566121 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 566122 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (2)
   [junit4]   2> 566123 INFO  (SUITE-ZkFailoverTest-seed#[FBC8290272638634]-worker) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:34633/solr ready
   [junit4]   2> 566142 INFO  (TEST-ZkFailoverTest.testRestartZkWhenClusterDown-seed#[FBC8290272638634]) [     ] o.a.s.SolrTestCaseJ4 ###Starting testRestartZkWhenClusterDown
   [junit4]   2> 566145 INFO  (OverseerThreadFactory-4525-thread-1-processing-n:127.0.0.1:46785_solr) [n:127.0.0.1:46785_solr     ] o.a.s.c.a.c.CreateCollectionCmd Create collection coll1
   [junit4]   2> 566145 INFO  (OverseerThreadFactory-4525-thread-1-processing-n:127.0.0.1:46785_solr) [n:127.0.0.1:46785_solr     ] o.a.s.c.c.ZkConfigManager Copying zk node /configs/_default to /configs/coll1.AUTOCREATED
   [junit4]   2> 566147 INFO  (OverseerThreadFactory-4525-thread-1-processing-n:127.0.0.1:46785_solr) [n:127.0.0.1:46785_solr     ] o.a.s.c.c.ZkConfigManager Copying zk node /configs/_default/protwords.txt to /configs/coll1.AUTOCREATED/protwords.txt
   [junit4]   2> 566152 INFO  (OverseerThreadFactory-4525-thread-1-processing-n:127.0.0.1:46785_solr) [n:127.0.0.1:46785_solr     ] o.a.s.c.c.ZkConfigManager Copying zk node /configs/_default/managed-schema to /configs/coll1.AUTOCREATED/managed-schema
   [junit4]   2> 566154 INFO  (OverseerThreadFactory-4525-thread-1-processing-n:127.0.0.1:46785_solr) [n:127.0.0.1:46785_solr     ] o.a.s.c.c.ZkConfigManager Copying zk node /configs/_default/solrconfig.xml to /configs/coll1.AUTOCREATED/solrconfig.xml
   [junit4]   2> 566156 INFO  (OverseerThreadFactory-4525-thread-1-processing-n:127.0.0.1:46785_solr) [n:127.0.0.1:46785_solr     ] o.a.s.c.c.ZkConfigManager Copying zk node /configs/_default/lang/contractions_it.txt to /configs/coll1.AUTOCREATED/lang/contractions_it.txt
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   [junit4]   2> 566733 INFO  (qtp541173256-8387) [n:127.0.0.1:46785_solr c:coll1 s:shard2 r:core_node4 x:coll1_shard2_replica_n2 ] o.a.s.s.ZkIndexSchemaReader Current schema version 0 is already the latest
   [junit4]   2> 566734 INFO  (qtp541173256-8387) [n:127.0.0.1:46785_solr c:coll1 s:shard2 r:core_node4 x:coll1_shard2_replica_n2 ] o.a.s.h.c.SpellCheckComponent Initializing spell checkers
   [junit4]   2> 566734 INFO  (qtp541173256-8387) [n:127.0.0.1:46785_solr c:coll1 s:shard2 r:core_node4 x:coll1_shard2_replica_n2 ] o.a.s.s.DirectSolrSpellChecker init: {name=default,field=_text_,classname=solr.DirectSolrSpellChecker,distanceMeasure=internal,accuracy=0.5,maxEdits=2,minPrefix=1,maxInspections=5,minQueryLength=4,maxQueryFrequency=0.01}
   [junit4]   2> 566734 INFO  (qtp541173256-8387) [n:127.0.0.1:46785_solr c:coll1 s:shard2 r:core_node4 x:coll1_shard2_replica_n2 ] o.a.s.h.ReplicationHandler Commits will be reserved for 10000 ms
   [junit4]   2> 566734 INFO  (qtp541173256-8387) [n:127.0.0.1:46785_solr c:coll1 s:shard2 r:core_node4 x:coll1_shard2_replica_n2 ] o.a.s.u.UpdateLog Could not find max version in index or recent updates, using new clock 1696983483473199104
   [junit4]   2> 566736 INFO  (qtp1418168721-8376) [n:127.0.0.1:38613_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.u.UpdateHandler Using UpdateLog implementation: org.apache.solr.update.UpdateLog
   [junit4]   2> 566736 INFO  (qtp1418168721-8376) [n:127.0.0.1:38613_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.u.UpdateLog Initializing UpdateLog: dataDir= defaultSyncLevel=FLUSH numRecordsToKeep=100 maxNumLogsToKeep=10 numVersionBuckets=65536
   [junit4]   2> 566737 INFO  (qtp1418168721-8376) [n:127.0.0.1:38613_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.u.CommitTracker Hard AutoCommit: if uncommitted for 15000ms; 
   [junit4]   2> 566737 INFO  (qtp1418168721-8376) [n:127.0.0.1:38613_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.u.CommitTracker Soft AutoCommit: disabled
   [junit4]   2> 566738 INFO  (searcherExecutor-4551-thread-1-processing-n:127.0.0.1:46785_solr x:coll1_shard2_replica_n2 c:coll1 s:shard2 r:core_node4) [n:127.0.0.1:46785_solr c:coll1 s:shard2 r:core_node4 x:coll1_shard2_replica_n2 ] o.a.s.c.QuerySenderListener QuerySenderListener done.
   [junit4]   2> 566739 INFO  (searcherExecutor-4551-thread-1-processing-n:127.0.0.1:46785_solr x:coll1_shard2_replica_n2 c:coll1 s:shard2 r:core_node4) [n:127.0.0.1:46785_solr c:coll1 s:shard2 r:core_node4 x:coll1_shard2_replica_n2 ] o.a.s.h.c.SpellCheckComponent Loading spell index for spellchecker: default
   [junit4]   2> 566739 INFO  (searcherExecutor-4551-thread-1-processing-n:127.0.0.1:46785_solr x:coll1_shard2_replica_n2 c:coll1 s:shard2 r:core_node4) [n:127.0.0.1:46785_solr c:coll1 s:shard2 r:core_node4 x:coll1_shard2_replica_n2 ] o.a.s.c.SolrCore [coll1_shard2_replica_n2]  Registered new searcher autowarm time: 0 ms
   [junit4]   2> 566739 INFO  (qtp1418168721-8376) [n:127.0.0.1:38613_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.r.ManagedResourceStorage Configured ZooKeeperStorageIO with znodeBase: /configs/coll1.AUTOCREATED
   [junit4]   2> 566740 INFO  (qtp1418168721-8376) [n:127.0.0.1:38613_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.r.ManagedResourceStorage Loaded null at path _rest_managed.json using ZooKeeperStorageIO:path=/configs/coll1.AUTOCREATED
   [junit4]   2> 566740 INFO  (qtp1418168721-8376) [n:127.0.0.1:38613_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.s.ZkIndexSchemaReader Creating ZooKeeper watch for the managed schema at /configs/coll1.AUTOCREATED/managed-schema
   [junit4]   2> 566742 INFO  (qtp1418168721-8376) [n:127.0.0.1:38613_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.s.ZkIndexSchemaReader Current schema version 0 is already the latest
   [junit4]   2> 566742 INFO  (qtp1418168721-8376) [n:127.0.0.1:38613_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.h.c.SpellCheckComponent Initializing spell checkers
   [junit4]   2> 566742 INFO  (qtp1418168721-8376) [n:127.0.0.1:38613_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.s.DirectSolrSpellChecker init: {name=default,field=_text_,classname=solr.DirectSolrSpellChecker,distanceMeasure=internal,accuracy=0.5,maxEdits=2,minPrefix=1,maxInspections=5,minQueryLength=4,maxQueryFrequency=0.01}
   [junit4]   2> 566743 INFO  (qtp1418168721-8376) [n:127.0.0.1:38613_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.h.ReplicationHandler Commits will be reserved for 10000 ms
   [junit4]   2> 566743 INFO  (qtp1418168721-8376) [n:127.0.0.1:38613_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.u.UpdateLog Could not find max version in index or recent updates, using new clock 1696983483482636288
   [junit4]   2> 566744 INFO  (searcherExecutor-4553-thread-1-processing-n:127.0.0.1:38613_solr x:coll1_shard1_replica_n1 c:coll1 s:shard1 r:core_node3) [n:127.0.0.1:38613_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.c.QuerySenderListener QuerySenderListener done.
   [junit4]   2> 566745 INFO  (searcherExecutor-4553-thread-1-processing-n:127.0.0.1:38613_solr x:coll1_shard1_replica_n1 c:coll1 s:shard1 r:core_node3) [n:127.0.0.1:38613_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.h.c.SpellCheckComponent Loading spell index for spellchecker: default
   [junit4]   2> 566745 INFO  (searcherExecutor-4553-thread-1-processing-n:127.0.0.1:38613_solr x:coll1_shard1_replica_n1 c:coll1 s:shard1 r:core_node3) [n:127.0.0.1:38613_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o

[...truncated too long message...]

(ThreadPoolExecutor.java:1074)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    > 	at __randomizedtesting.SeedInfo.seed([FBC8290272638634]:0)Throwable #2: com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie threads that couldn't be terminated:
   [junit4]    >    1) Thread[id=8581, name=NIOWorkerThread-6, state=WAITING, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
   [junit4]    >         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    2) Thread[id=8570, name=NIOWorkerThread-1, state=WAITING, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
   [junit4]    >         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    3) Thread[id=8578, name=NIOWorkerThread-4, state=WAITING, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
   [junit4]    >         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    4) Thread[id=8564, name=NIOServerCxnFactory.SelectorThread-0, state=RUNNABLE, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)
   [junit4]    >         at sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:317)
   [junit4]    >         at sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:207)
   [junit4]    >         at java.nio.channels.spi.AbstractSelector$1.interrupt(AbstractSelector.java:213)
   [junit4]    >         at java.nio.channels.spi.AbstractSelector.begin(AbstractSelector.java:219)
   [junit4]    >         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
   [junit4]    >         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   [junit4]    >         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
   [junit4]    >         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
   [junit4]    >         at org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.select(NIOServerCnxnFactory.java:417)
   [junit4]    >         at org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.run(NIOServerCnxnFactory.java:382)
   [junit4]    >    5) Thread[id=8579, name=NIOWorkerThread-5, state=WAITING, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
   [junit4]    >         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    6) Thread[id=8574, name=NIOWorkerThread-3, state=WAITING, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
   [junit4]    >         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    7) Thread[id=8573, name=NIOWorkerThread-2, state=WAITING, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
   [junit4]    >         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    8) Thread[id=8582, name=NIOWorkerThread-7, state=WAITING, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
   [junit4]    >         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    9) Thread[id=8583, name=NIOWorkerThread-8, state=WAITING, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
   [junit4]    >         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >   10) Thread[id=8565, name=NIOServerCxnFactory.AcceptThread:0.0.0.0/0.0.0.0:34633, state=RUNNABLE, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
   [junit4]    >         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
   [junit4]    >         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
   [junit4]    >         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   [junit4]    >         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
   [junit4]    >         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
   [junit4]    >         at org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.select(NIOServerCnxnFactory.java:219)
   [junit4]    >         at org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.run(NIOServerCnxnFactory.java:195)
   [junit4]    > 	at __randomizedtesting.SeedInfo.seed([FBC8290272638634]:0)
   [junit4] Completed [233/936 (1!)] on J0 in 55.22s, 1 test, 3 errors <<< FAILURES!

[...truncated 53093 lines...]