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Posted to builds@lucene.apache.org by Apache Jenkins Server <je...@builds.apache.org> on 2021/05/31 07:28:50 UTC

[JENKINS] Lucene » Lucene-Solr-Tests-8.x - Build # 2553 - Unstable!

Build: https://ci-builds.apache.org/job/Lucene/job/Lucene-Solr-Tests-8.x/2553/

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

Error Message:
No live SolrServers available to handle this request:[https://127.0.0.1:42575/solr/coll1]

Stack Trace:
org.apache.solr.client.solrj.SolrServerException: No live SolrServers available to handle this request:[https://127.0.0.1:42575/solr/coll1]
	at __randomizedtesting.SeedInfo.seed([815003D8E44CA618:EFC780949DAB009B]: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 https://127.0.0.1:42575/solr/coll1: no servers hosting shard: shard1
	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=30574, name=NIOServerCxnFactory.AcceptThread:0.0.0.0/0.0.0.0:45121, 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)    2) Thread[id=30577, name=ProcessThread(sid:0 cport:45121):, 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$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:140)    3) Thread[id=30591, name=NIOWorkerThread-7, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)    4) Thread[id=30583, name=NIOWorkerThread-3, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)    5) Thread[id=30573, name=NIOServerCxnFactory.SelectorThread-0, state=RUNNABLE, group=TGRP-ZkFailoverTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.select(NIOServerCnxnFactory.java:417)         at org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.run(NIOServerCnxnFactory.java:382)    6) Thread[id=30579, name=NIOWorkerThread-1, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)         at java.lang.Thread.run(Thread.java:748)    7) Thread[id=30575, name=SessionTracker, state=TIMED_WAITING, group=TGRP-ZkFailoverTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:157)    8) Thread[id=30572, name=ConnnectionExpirer, state=TIMED_WAITING, group=TGRP-ZkFailoverTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.zookeeper.server.NIOServerCnxnFactory$ConnectionExpirerThread.run(NIOServerCnxnFactory.java:568)    9) Thread[id=30587, 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)   10) Thread[id=30590, 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)   11) Thread[id=30578, 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$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.server.RequestThrottler.run(RequestThrottler.java:139)   12) Thread[id=30576, name=SyncThread:0, state=WAITING, group=TGRP-ZkFailoverTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:170)   13) Thread[id=30582, 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=30588, 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)   15) Thread[id=30592, 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)   16) Thread[id=30571, 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)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 16 threads leaked from SUITE scope at org.apache.solr.cloud.ZkFailoverTest: 
   1) Thread[id=30574, name=NIOServerCxnFactory.AcceptThread:0.0.0.0/0.0.0.0:45121, 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)
   2) Thread[id=30577, name=ProcessThread(sid:0 cport:45121):, 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$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:140)
   3) Thread[id=30591, name=NIOWorkerThread-7, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   4) Thread[id=30583, name=NIOWorkerThread-3, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   5) Thread[id=30573, name=NIOServerCxnFactory.SelectorThread-0, state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.select(NIOServerCnxnFactory.java:417)
        at org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.run(NIOServerCnxnFactory.java:382)
   6) Thread[id=30579, name=NIOWorkerThread-1, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   7) Thread[id=30575, name=SessionTracker, state=TIMED_WAITING, group=TGRP-ZkFailoverTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:157)
   8) Thread[id=30572, name=ConnnectionExpirer, state=TIMED_WAITING, group=TGRP-ZkFailoverTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.server.NIOServerCnxnFactory$ConnectionExpirerThread.run(NIOServerCnxnFactory.java:568)
   9) Thread[id=30587, 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)
  10) Thread[id=30590, 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)
  11) Thread[id=30578, 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$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.server.RequestThrottler.run(RequestThrottler.java:139)
  12) Thread[id=30576, name=SyncThread:0, state=WAITING, group=TGRP-ZkFailoverTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:170)
  13) Thread[id=30582, 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=30588, 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)
  15) Thread[id=30592, 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)
  16) Thread[id=30571, 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)
	at __randomizedtesting.SeedInfo.seed([815003D8E44CA618]: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=30574, name=NIOServerCxnFactory.AcceptThread:0.0.0.0/0.0.0.0:45121, state=RUNNABLE, group=TGRP-ZkFailoverTest]         at sun.nio.ch.IOUtil.drain(Native Method)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:104)         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)    2) Thread[id=30590, 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)    3) Thread[id=30591, 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)    4) Thread[id=30583, 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)    5) Thread[id=30573, name=NIOServerCxnFactory.SelectorThread-0, state=RUNNABLE, group=TGRP-ZkFailoverTest]         at sun.nio.ch.IOUtil.drain(Native Method)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:104)         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)    6) Thread[id=30579, 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)    7) Thread[id=30582, 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=30588, 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)    9) Thread[id=30592, 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=30587, 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)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie threads that couldn't be terminated:
   1) Thread[id=30574, name=NIOServerCxnFactory.AcceptThread:0.0.0.0/0.0.0.0:45121, state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at sun.nio.ch.IOUtil.drain(Native Method)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:104)
        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)
   2) Thread[id=30590, 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)
   3) Thread[id=30591, 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)
   4) Thread[id=30583, 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)
   5) Thread[id=30573, name=NIOServerCxnFactory.SelectorThread-0, state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at sun.nio.ch.IOUtil.drain(Native Method)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:104)
        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)
   6) Thread[id=30579, 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)
   7) Thread[id=30582, 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=30588, 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)
   9) Thread[id=30592, 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=30587, 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)
	at __randomizedtesting.SeedInfo.seed([815003D8E44CA618]:0)




Build Log:
[...truncated 15212 lines...]
   [junit4] Suite: org.apache.solr.cloud.ZkFailoverTest
   [junit4]   2> 1596392 INFO  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-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> 1596392 INFO  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-worker) [     ] o.a.s.SolrTestCaseJ4 Created dataDir: /home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-Tests-8.x/solr/build/solr-core/test/J2/temp/solr.cloud.ZkFailoverTest_815003D8E44CA618-001/data-dir-197-001
   [junit4]   2> 1596393 WARN  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-worker) [     ] o.a.s.SolrTestCaseJ4 startTrackingSearchers: numOpens=7 numCloses=7
   [junit4]   2> 1596393 INFO  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-worker) [     ] o.a.s.SolrTestCaseJ4 Using PointFields (NUMERIC_POINTS_SYSPROP=true) w/NUMERIC_DOCVALUES_SYSPROP=false
   [junit4]   2> 1596394 INFO  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-worker) [     ] o.a.s.SolrTestCaseJ4 Randomized ssl (true) and clientAuth (false) via: @org.apache.solr.util.RandomizeSSL(reason=, ssl=NaN, value=NaN, clientAuth=NaN)
   [junit4]   2> 1596394 INFO  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-worker) [     ] o.a.s.SolrTestCaseJ4 SecureRandom sanity checks: test.solr.allowed.securerandom=null & java.security.egd=file:/dev/./urandom
   [junit4]   2> 1596395 INFO  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-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/J2/temp/solr.cloud.ZkFailoverTest_815003D8E44CA618-001/tempDir-001
   [junit4]   2> 1596395 INFO  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-worker) [     ] o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 1596395 INFO  (ZkTestServer Run Thread) [     ] o.a.s.c.ZkTestServer client port: 0.0.0.0/0.0.0.0:0
   [junit4]   2> 1596395 INFO  (ZkTestServer Run Thread) [     ] o.a.s.c.ZkTestServer Starting server
   [junit4]   2> 1596398 WARN  (ZkTestServer Run Thread) [     ] o.a.z.s.ServerCnxnFactory maxCnxns is not configured, using default value 0.
   [junit4]   2> 1596495 INFO  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-worker) [     ] o.a.s.c.ZkTestServer start zk server on port: 45121
   [junit4]   2> 1596495 INFO  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-worker) [     ] o.a.s.c.ZkTestServer waitForServerUp: 127.0.0.1:45121
   [junit4]   2> 1596495 INFO  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-worker) [     ] o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:45121
   [junit4]   2> 1596495 INFO  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-worker) [     ] o.a.s.c.ZkTestServer connecting to 127.0.0.1 45121
   [junit4]   2> 1596497 INFO  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-worker) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1596502 INFO  (zkConnectionManagerCallback-17839-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1596502 INFO  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-worker) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1596512 INFO  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-worker) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1596513 INFO  (zkConnectionManagerCallback-17841-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1596513 INFO  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-worker) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1596514 INFO  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-worker) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1596515 INFO  (zkConnectionManagerCallback-17843-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1596516 INFO  (SUITE-ZkFailoverTest-seed#[815003D8E44CA618]-worker) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1596619 INFO  (jetty-launcher-17844-thread-1) [     ] o.a.s.c.s.e.JettySolrRunner Start Jetty (configured port=0, binding port=0)
   [junit4]   2> 1596619 INFO  (jetty-launcher-17844-thread-1) [     ] o.a.s.c.s.e.JettySolrRunner Trying to start Jetty on port 0 try number 2 ...
   [junit4]   2> 1596620 INFO  (jetty-launcher-17844-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> 1596634 INFO  (jetty-launcher-17844-thread-2) [     ] o.a.s.c.s.e.JettySolrRunner Start Jetty (configured port=0, binding port=0)
   [junit4]   2> 1596634 INFO  (jetty-launcher-17844-thread-2) [     ] o.a.s.c.s.e.JettySolrRunner Trying to start Jetty on port 0 try number 2 ...
   [junit4]   2> 1596635 INFO  (jetty-launcher-17844-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> 1596656 INFO  (jetty-launcher-17844-thread-1) [     ] o.e.j.s.session DefaultSessionIdManager workerName=node0
   [junit4]   2> 1596656 INFO  (jetty-launcher-17844-thread-1) [     ] o.e.j.s.session No SessionScavenger set, using defaults
   [junit4]   2> 1596656 INFO  (jetty-launcher-17844-thread-1) [     ] o.e.j.s.session node0 Scavenging every 660000ms
   [junit4]   2> 1596660 INFO  (jetty-launcher-17844-thread-1) [     ] o.e.j.s.h.ContextHandler Started o.e.j.s.ServletContextHandler@4e428fe{/solr,null,AVAILABLE}
   [junit4]   2> 1596660 INFO  (jetty-launcher-17844-thread-2) [     ] o.e.j.s.session DefaultSessionIdManager workerName=node0
   [junit4]   2> 1596661 INFO  (jetty-launcher-17844-thread-2) [     ] o.e.j.s.session No SessionScavenger set, using defaults
   [junit4]   2> 1596661 INFO  (jetty-launcher-17844-thread-2) [     ] o.e.j.s.session node0 Scavenging every 600000ms
   [junit4]   2> 1596661 INFO  (jetty-launcher-17844-thread-2) [     ] o.e.j.s.h.ContextHandler Started o.e.j.s.ServletContextHandler@7c583fa1{/solr,null,AVAILABLE}
   [junit4]   2> 1596661 INFO  (jetty-launcher-17844-thread-1) [     ] o.e.j.s.AbstractConnector Started ServerConnector@37b70903{SSL, (ssl, http/1.1)}{127.0.0.1:33625}
   [junit4]   2> 1596661 INFO  (jetty-launcher-17844-thread-1) [     ] o.e.j.s.Server Started @1596690ms
   [junit4]   2> 1596661 INFO  (jetty-launcher-17844-thread-1) [     ] o.a.s.c.s.e.JettySolrRunner Jetty properties: {hostContext=/solr, zkHost=127.0.0.1:45121/solr, hostPort=33625}
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   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable to read additional data from server sessionid 0x100a48bd4cc0004, likely server has closed socket
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77) ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350) ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1275) [zookeeper-3.6.2.jar:3.6.2]
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   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable to read additional data from server sessionid 0x100a48bd4cc0003, likely server has closed socket
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77) ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350) ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1275) [zookeeper-3.6.2.jar:3.6.2]
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   [junit4]   2> 1597552 INFO  (jetty-launcher-17844-thread-1) [n:127.0.0.1:33625_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/J2/temp/solr.cloud.ZkFailoverTest_815003D8E44CA618-001/tempDir-001/node1
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   [junit4]   2> 1597623 INFO  (OverseerThreadFactory-17871-thread-1-processing-n:127.0.0.1:42575_solr) [n:127.0.0.1:42575_solr     ] o.a.s.c.c.ZkConfigManager Copying zk node /configs/_default/lang/stopwords_id.txt to /configs/coll1.AUTOCREATED/lang/stopwords_id.txt
   [junit4]   2> 1597625 INFO  (OverseerThreadFactory-17871-thread-1-processing-n:127.0.0.1:42575_solr) [n:127.0.0.1:42575_solr     ] o.a.s.c.c.ZkConfigManager Copying zk node /configs/_default/lang/stopwords_et.txt to /configs/coll1.AUTOCREATED/lang/stopwords_et.txt
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   [junit4]   2> 1598206 INFO  (searcherExecutor-17897-thread-1-processing-n:127.0.0.1:33625_solr x:coll1_shard1_replica_n1 c:coll1 s:shard1 r:core_node3) [n:127.0.0.1:33625_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.c.QuerySenderListener QuerySenderListener done.
   [junit4]   2> 1598206 INFO  (searcherExecutor-17897-thread-1-processing-n:127.0.0.1:33625_solr x:coll1_shard1_replica_n1 c:coll1 s:shard1 r:core_node3) [n:127.0.0.1:33625_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> 1598206 INFO  (searcherExecutor-17897-thread-1-processing-n:127.0.0.1:33625_solr x:coll1_shard1_replica_n1 c:coll1 s:shard1 r:core_node3) [n:127.0.0.1:33625_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.c.SolrCore [coll1_shard1_replica_n1]  Registered new searcher autowarm time: 0 ms
   [junit4]   2> 1598210 INFO  (qtp1028612723-30383) [n:127.0.0.1:33625_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.c.ZkShardTerms Successful update of terms at /collections/coll1/terms/shard1 to Terms{values={core_node3=0}, version=0}
   [junit4]   2> 1598210 INFO  (qtp1028612723-30383) [n:127.0.0.1:33625_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/coll1/leaders/shard1
   [junit4]   2> 1598214 INFO  (qtp1028612723-30383) [n:127.0.0.1:33625_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.c.ShardLeaderElectionContext Enough replicas found to continue.
   [junit4]   2> 1598214 INFO  (qtp1028612723-30383) [n:127.0.0.1:33625_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.c.ShardLeaderElectionContext I may be the new leader - try and sync
   [junit4]   2> 1598214 INFO  (qtp1028612723-30383) [n:127.0.0.1:33625_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.c.SyncStrategy Sync replicas to https://127.0.0.1:33625/solr/coll1_shard1_replica_n1/
   [junit4]   2> 1598214 INFO  (qtp1028612723-30383) [n:127.0.0.1:33625_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.c.SyncStrategy Sync Success - now sync replicas to me
   [junit4]   2> 1598215 INFO  (qtp1028612723-30383) [n:127.0.0.1:33625_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.c.SyncStrategy https://127.0.0.1:33625/solr/coll1_shard1_replica_n1/ has no replicas
   [junit4]   2> 1598215 INFO  (qtp1028612723-30383) [n:127.0.0.1:33625_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/coll1/leaders/shard1/leader after winning as /collections/coll1/leader_elect/shard1/election/72238514515476488-core_node3-n_0000000000
   [junit4]   2> 1598217 INFO  (qtp1028612723-30383) [n:127.0.0.1:33625_solr c:coll1 s:shard1 r:core_node3 x:coll1_shard1_replica_n1 ] o.a.s.c.ShardLeaderElectionContext I am the new leader: https://127.0.0.1:33625/solr/coll1_shard1_replica_n1/ shard1
   [junit4]   2> 1598226 INFO  (qtp1326650827-30390) [n:127.0.0.1:42575_solr c:coll1 s:shard2 r:core_node4 x:coll1_shard2_replica_n2 ] o.a.s.u.UpdateHandler Using UpdateLog implementation: org.apache.solr.update.UpdateLog
   [junit4]   2> 1598226 INFO  (qtp1326650827-30390) [n:127.0.0.1:42575_solr c:coll1 s:shard2 r:core_node4 x:coll1_shard2_replica_n2 ] o.a.s.u.UpdateLog Initializing UpdateLog: dataDir= defaultSyncLevel=FLUSH numRecordsToKeep=100 maxNumLogsToKeep=10 numVersionBuckets=65536
   [junit4]   2> 1598227 INFO  (qtp1326650827-30390) [n:127.0.0.1:42575_solr c:coll1 s:shard2 r:core_node4 x:coll1_shard2_replica_n2 ] o.a.s.u.CommitTracker Hard AutoCommit: if uncommitted for 15000ms; 
   [junit4]   2> 1598227 INFO  (qtp1326650827-30390) [n:127.0.0.1:42575_solr c:coll1 s:shard2 r:core_node4 x:coll1_shard2_replica_n2 ] o.a.s.u.CommitTracker Soft AutoCommit: disabled
   [junit4]   2> 1598230 INFO  (qtp1326650827-30390) [n:127.0.0.1:42575_solr c:coll1 s:shard2 r:core_node4 x:coll1_shard2_replica_n2 ] o.a.s.r.ManagedResourceStorage Configured ZooKeeperStorageIO with znodeBase: /configs/coll1.AUTOCREATED
   [junit4]   2> 1598230 INFO  (qtp1326650827-30390) [n:127.0.0.1:42575_solr c:coll1 s:shard2 r:core_node4 x:coll1_shard2_replica_n2 ] o.a.s.r.ManagedResourceStorage Loaded null at path _rest_managed.json using ZooKeeperStorageIO:path=/configs/coll1.AUTOCREATED
   [junit4]   2> 1598230 INFO  (qtp1326650827-30390) [n:127.0.0.1:42575_solr c:coll1 s:shard2 r:core_node4 x:coll1_shard2_replica_n2 ] o.a.s.s.ZkIndexSchemaReader Creating ZooKeeper watch for the managed schema at /configs/coll1.AUTOCREATED/managed-schema
   [junit4]   2> 1598231 INFO  (qtp1326650827-30390) [n:127.0.0.1:42575_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> 1598231 INFO  (qtp1326650827-30390) [n:127.0.0.1:42575_solr c:coll1 s:shard2 r:core_node4 x:coll1_shard2_replica_n2 ] o.a.s.h.c.SpellCheckComponent Initializing spell checkers
   [junit4]   2> 1598231 INFO  (qtp1326650827-30390) [n:127.0.0.1:42575_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,maxQueryFrequency=0.01,maxEdits=2,minPrefix=1,maxInspections=5,minQueryLength=4}
   [junit4]   2> 1598232 INFO  (qtp1326650827-30390) [n:127.0.0.1:42575_solr c:coll1 s:shard2 r:core_node4 x:coll1_shard2_replica_n2 ] o.a.s.h.Rep

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

va:1134)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >   16) Thread[id=30571, name=ZkTestServer Run Thread, state=WAITING, group=TGRP-ZkFailoverTest]
   [junit4]    >         at java.lang.Object.wait(Native Method)
   [junit4]    >         at java.lang.Thread.join(Thread.java:1252)
   [junit4]    >         at java.lang.Thread.join(Thread.java:1326)
   [junit4]    >         at org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:929)
   [junit4]    >         at org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:349)
   [junit4]    >         at org.apache.solr.cloud.ZkTestServer$2.run(ZkTestServer.java:580)
   [junit4]    > 	at __randomizedtesting.SeedInfo.seed([815003D8E44CA618]:0)Throwable #2: com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie threads that couldn't be terminated:
   [junit4]    >    1) Thread[id=30574, name=NIOServerCxnFactory.AcceptThread:0.0.0.0/0.0.0.0:45121, state=RUNNABLE, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.nio.ch.IOUtil.drain(Native Method)
   [junit4]    >         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:104)
   [junit4]    >         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   [junit4]    >         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
   [junit4]    >         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
   [junit4]    >         at org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.select(NIOServerCnxnFactory.java:219)
   [junit4]    >         at org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.run(NIOServerCnxnFactory.java:195)
   [junit4]    >    2) Thread[id=30590, name=NIOWorkerThread-6, state=WAITING, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    3) Thread[id=30591, name=NIOWorkerThread-7, state=WAITING, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    4) Thread[id=30583, name=NIOWorkerThread-3, state=WAITING, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    5) Thread[id=30573, name=NIOServerCxnFactory.SelectorThread-0, state=RUNNABLE, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.nio.ch.IOUtil.drain(Native Method)
   [junit4]    >         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:104)
   [junit4]    >         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   [junit4]    >         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
   [junit4]    >         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
   [junit4]    >         at org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.select(NIOServerCnxnFactory.java:417)
   [junit4]    >         at org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.run(NIOServerCnxnFactory.java:382)
   [junit4]    >    6) Thread[id=30579, name=NIOWorkerThread-1, state=WAITING, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    7) Thread[id=30582, name=NIOWorkerThread-2, state=WAITING, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    8) Thread[id=30588, name=NIOWorkerThread-5, state=WAITING, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    9) Thread[id=30592, name=NIOWorkerThread-8, state=WAITING, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >   10) Thread[id=30587, name=NIOWorkerThread-4, state=WAITING, group=TGRP-ZkFailoverTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$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]    > 	at __randomizedtesting.SeedInfo.seed([815003D8E44CA618]:0)
   [junit4] Completed [577/939 (1!)] on J2 in 54.07s, 1 test, 3 errors <<< FAILURES!

[...truncated 53685 lines...]