Build: https://jenkins.thetaphi.de/job/Solr-main-Windows/874/
Java: 64bit/jdk-11.0.13 -XX:+UseCompressedOops -XX:+UseConcMarkSweepGC

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

Error Message:
org.apache.solr.client.solrj.SolrServerException: No live SolrServers available 
to handle this request

Stack Trace:
org.apache.solr.client.solrj.SolrServerException: No live SolrServers available 
to handle this request
        at 
__randomizedtesting.SeedInfo.seed([FC65EB150EC5B37E:92F26859772215FD]:0)
        at 
app//org.apache.solr.client.solrj.impl.LBSolrClient$ServerIterator.nextOrError(LBSolrClient.java:222)
        at 
app//org.apache.solr.client.solrj.impl.LBSolrClient.request(LBSolrClient.java:368)
        at 
app//org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:1248)
        at 
app//org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:969)
        at 
app//org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:896)
        at 
app//org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:223)
        at 
app//org.apache.solr.cloud.ZkFailoverTest.testRestartZkWhenClusterDown(ZkFailoverTest.java:66)
        at 
[email protected]/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
        at 
[email protected]/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
[email protected]/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at [email protected]/java.lang.reflect.Method.invoke(Method.java:566)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:946)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:982)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996)
        at 
app//com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at app//org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
app//org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:44)
        at 
app//org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
app//org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
        at 
app//org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
app//org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at app//org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:375)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:824)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:475)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
app//org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
app//com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at app//org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
app//org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
        at 
app//com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
app//com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
app//org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
app//org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at 
app//org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
app//org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
        at app//org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:375)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:831)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
Caused by: 
org.apache.solr.client.solrj.impl.BaseHttpSolrClient$RemoteSolrException: Error 
from server at http://127.0.0.1:56822/solr/coll1: no servers hosting shard: 
shard1
        at 
app//org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:715)
        at 
app//org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:233)
        at 
app//org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:214)
        at 
app//org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:405)
        at 
app//org.apache.solr.client.solrj.impl.LBSolrClient.request(LBSolrClient.java:371)
        ... 51 more


FAILED:  org.apache.solr.cloud.ZkFailoverTest.classMethod

Error Message:
com.carrotsearch.randomizedtesting.ThreadLeakError: 17 threads leaked from 
SUITE scope at org.apache.solr.cloud.ZkFailoverTest: 
   1) Thread[id=15228, name=zkConnectionManagerCallback-8870-thread-1, 
state=WAITING, group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
   2) Thread[id=15211, name=ZkTestServer Run Thread, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/java.lang.Object.wait(Native Method)
        at [email protected]/java.lang.Thread.join(Thread.java:1300)
        at [email protected]/java.lang.Thread.join(Thread.java:1375)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:915)
        at 
app//org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:336)
        at app//org.apache.solr.cloud.ZkTestServer$1.run(ZkTestServer.java:561)
   3) Thread[id=15217, name=SyncThread:0, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
app//org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:170)
   4) Thread[id=15218, name=ProcessThread(sid:0 cport:56802):, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
app//org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:141)
   5) Thread[id=15215, 
name=NIOServerCxnFactory.AcceptThread:0.0.0.0/0.0.0.0:56802, state=RUNNABLE, 
group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.select(NIOServerCnxnFactory.java:205)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.run(NIOServerCnxnFactory.java:181)
   6) Thread[id=15222, 
name=TEST-ZkFailoverTest.testRestartZkWhenClusterDown-seed#[FC65EB150EC5B37E]-EventThread,
 state=WAITING, group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:551)
   7) Thread[id=15221, 
name=TEST-ZkFailoverTest.testRestartZkWhenClusterDown-seed#[FC65EB150EC5B37E]-SendThread(127.0.0.1:56802),
 state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
        at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:332)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1280)
   8) Thread[id=15223, name=NIOWorkerThread-2, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
   9) Thread[id=15227, 
name=TEST-ZkFailoverTest.testRestartZkWhenClusterDown-seed#[FC65EB150EC5B37E]-EventThread,
 state=WAITING, group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:551)
  10) Thread[id=15219, name=RequestThrottler, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
app//org.apache.zookeeper.server.RequestThrottler.run(RequestThrottler.java:147)
  11) Thread[id=15212, name=ConnnectionExpirer, state=TIMED_WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$ConnectionExpirerThread.run(NIOServerCnxnFactory.java:554)
  12) Thread[id=15214, name=NIOServerCxnFactory.SelectorThread-1, 
state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.select(NIOServerCnxnFactory.java:403)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.run(NIOServerCnxnFactory.java:368)
  13) Thread[id=15226, 
name=TEST-ZkFailoverTest.testRestartZkWhenClusterDown-seed#[FC65EB150EC5B37E]-SendThread(127.0.0.1:56802),
 state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
        at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:332)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1280)
  14) Thread[id=15213, name=NIOServerCxnFactory.SelectorThread-0, 
state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.select(NIOServerCnxnFactory.java:403)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.run(NIOServerCnxnFactory.java:368)
  15) Thread[id=15224, name=NIOWorkerThread-3, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
  16) Thread[id=15225, name=zkConnectionManagerCallback-8868-thread-1, 
state=WAITING, group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
  17) Thread[id=15220, name=NIOWorkerThread-1, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 17 threads leaked from 
SUITE scope at org.apache.solr.cloud.ZkFailoverTest: 
   1) Thread[id=15228, name=zkConnectionManagerCallback-8870-thread-1, 
state=WAITING, group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
   2) Thread[id=15211, name=ZkTestServer Run Thread, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/java.lang.Object.wait(Native Method)
        at [email protected]/java.lang.Thread.join(Thread.java:1300)
        at [email protected]/java.lang.Thread.join(Thread.java:1375)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:915)
        at 
app//org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:336)
        at app//org.apache.solr.cloud.ZkTestServer$1.run(ZkTestServer.java:561)
   3) Thread[id=15217, name=SyncThread:0, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
app//org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:170)
   4) Thread[id=15218, name=ProcessThread(sid:0 cport:56802):, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
app//org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:141)
   5) Thread[id=15215, 
name=NIOServerCxnFactory.AcceptThread:0.0.0.0/0.0.0.0:56802, state=RUNNABLE, 
group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.select(NIOServerCnxnFactory.java:205)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.run(NIOServerCnxnFactory.java:181)
   6) Thread[id=15222, 
name=TEST-ZkFailoverTest.testRestartZkWhenClusterDown-seed#[FC65EB150EC5B37E]-EventThread,
 state=WAITING, group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:551)
   7) Thread[id=15221, 
name=TEST-ZkFailoverTest.testRestartZkWhenClusterDown-seed#[FC65EB150EC5B37E]-SendThread(127.0.0.1:56802),
 state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
        at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:332)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1280)
   8) Thread[id=15223, name=NIOWorkerThread-2, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
   9) Thread[id=15227, 
name=TEST-ZkFailoverTest.testRestartZkWhenClusterDown-seed#[FC65EB150EC5B37E]-EventThread,
 state=WAITING, group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:551)
  10) Thread[id=15219, name=RequestThrottler, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
app//org.apache.zookeeper.server.RequestThrottler.run(RequestThrottler.java:147)
  11) Thread[id=15212, name=ConnnectionExpirer, state=TIMED_WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$ConnectionExpirerThread.run(NIOServerCnxnFactory.java:554)
  12) Thread[id=15214, name=NIOServerCxnFactory.SelectorThread-1, 
state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.select(NIOServerCnxnFactory.java:403)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.run(NIOServerCnxnFactory.java:368)
  13) Thread[id=15226, 
name=TEST-ZkFailoverTest.testRestartZkWhenClusterDown-seed#[FC65EB150EC5B37E]-SendThread(127.0.0.1:56802),
 state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
        at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:332)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1280)
  14) Thread[id=15213, name=NIOServerCxnFactory.SelectorThread-0, 
state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.select(NIOServerCnxnFactory.java:403)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.run(NIOServerCnxnFactory.java:368)
  15) Thread[id=15224, name=NIOWorkerThread-3, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
  16) Thread[id=15225, name=zkConnectionManagerCallback-8868-thread-1, 
state=WAITING, group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
  17) Thread[id=15220, name=NIOWorkerThread-1, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
        at __randomizedtesting.SeedInfo.seed([FC65EB150EC5B37E]:0)


FAILED:  org.apache.solr.cloud.ZkFailoverTest.classMethod

Error Message:
com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie 
threads that couldn't be terminated:
   1) Thread[id=15214, name=NIOServerCxnFactory.SelectorThread-1, 
state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.select(NIOServerCnxnFactory.java:403)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.run(NIOServerCnxnFactory.java:368)
   2) Thread[id=15226, 
name=TEST-ZkFailoverTest.testRestartZkWhenClusterDown-seed#[FC65EB150EC5B37E]-SendThread(127.0.0.1:56802),
 state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
        at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:332)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1280)
   3) Thread[id=15228, name=zkConnectionManagerCallback-8870-thread-1, 
state=WAITING, group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
   4) Thread[id=15213, name=NIOServerCxnFactory.SelectorThread-0, 
state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.select(NIOServerCnxnFactory.java:403)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.run(NIOServerCnxnFactory.java:368)
   5) Thread[id=15215, 
name=NIOServerCxnFactory.AcceptThread:0.0.0.0/0.0.0.0:56802, state=RUNNABLE, 
group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.select(NIOServerCnxnFactory.java:205)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.run(NIOServerCnxnFactory.java:181)
   6) Thread[id=15224, name=NIOWorkerThread-3, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
   7) Thread[id=15221, 
name=TEST-ZkFailoverTest.testRestartZkWhenClusterDown-seed#[FC65EB150EC5B37E]-SendThread(127.0.0.1:56802),
 state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
        at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:332)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1280)
   8) Thread[id=15223, name=NIOWorkerThread-2, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
   9) Thread[id=15225, name=zkConnectionManagerCallback-8868-thread-1, 
state=WAITING, group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
  10) Thread[id=15220, name=NIOWorkerThread-1, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie 
threads that couldn't be terminated:
   1) Thread[id=15214, name=NIOServerCxnFactory.SelectorThread-1, 
state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.select(NIOServerCnxnFactory.java:403)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.run(NIOServerCnxnFactory.java:368)
   2) Thread[id=15226, 
name=TEST-ZkFailoverTest.testRestartZkWhenClusterDown-seed#[FC65EB150EC5B37E]-SendThread(127.0.0.1:56802),
 state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
        at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:332)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1280)
   3) Thread[id=15228, name=zkConnectionManagerCallback-8870-thread-1, 
state=WAITING, group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
   4) Thread[id=15213, name=NIOServerCxnFactory.SelectorThread-0, 
state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.select(NIOServerCnxnFactory.java:403)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$SelectorThread.run(NIOServerCnxnFactory.java:368)
   5) Thread[id=15215, 
name=NIOServerCxnFactory.AcceptThread:0.0.0.0/0.0.0.0:56802, state=RUNNABLE, 
group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.select(NIOServerCnxnFactory.java:205)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory$AcceptThread.run(NIOServerCnxnFactory.java:181)
   6) Thread[id=15224, name=NIOWorkerThread-3, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
   7) Thread[id=15221, 
name=TEST-ZkFailoverTest.testRestartZkWhenClusterDown-seed#[FC65EB150EC5B37E]-SendThread(127.0.0.1:56802),
 state=RUNNABLE, group=TGRP-ZkFailoverTest]
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native 
Method)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:357)
        at 
[email protected]/sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:182)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
        at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:332)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1280)
   8) Thread[id=15223, name=NIOWorkerThread-2, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
   9) Thread[id=15225, name=zkConnectionManagerCallback-8868-thread-1, 
state=WAITING, group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
  10) Thread[id=15220, name=NIOWorkerThread-1, state=WAITING, 
group=TGRP-ZkFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
        at __randomizedtesting.SeedInfo.seed([FC65EB150EC5B37E]:0)


FAILED:  
org.apache.solr.cloud.api.collections.CollectionsAPIDistributedZkTest.classMethod

Error Message:
com.carrotsearch.randomizedtesting.ThreadLeakError: 1 thread leaked from SUITE 
scope at org.apache.solr.cloud.api.collections.CollectionsAPIDistributedZkTest: 
   1) Thread[id=619, name=aliveCheckExecutor-306-thread-1, state=TIMED_WAITING, 
group=TGRP-CollectionsAPIDistributedZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 1 thread leaked from SUITE 
scope at org.apache.solr.cloud.api.collections.CollectionsAPIDistributedZkTest: 
   1) Thread[id=619, name=aliveCheckExecutor-306-thread-1, state=TIMED_WAITING, 
group=TGRP-CollectionsAPIDistributedZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
        at __randomizedtesting.SeedInfo.seed([FC65EB150EC5B37E]:0)


FAILED:  
org.apache.solr.cloud.api.collections.CollectionsAPIDistributedZkTest.classMethod

Error Message:
com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie 
threads that couldn't be terminated:
   1) Thread[id=619, name=aliveCheckExecutor-306-thread-1, state=TIMED_WAITING, 
group=TGRP-CollectionsAPIDistributedZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie 
threads that couldn't be terminated:
   1) Thread[id=619, name=aliveCheckExecutor-306-thread-1, state=TIMED_WAITING, 
group=TGRP-CollectionsAPIDistributedZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at [email protected]/java.lang.Thread.run(Thread.java:829)
        at __randomizedtesting.SeedInfo.seed([FC65EB150EC5B37E]:0)


FAILED:  
org.apache.solr.cluster.events.ClusterEventProducerTest.testListenerPlugins

Error Message:
java.lang.AssertionError: timestamp of the event is in the future

Stack Trace:
java.lang.AssertionError: timestamp of the event is in the future
        at 
__randomizedtesting.SeedInfo.seed([FC65EB150EC5B37E:70BAA814A8A9C68C]:0)
        at org.junit.Assert.fail(Assert.java:89)
        at org.junit.Assert.assertTrue(Assert.java:42)
        at 
org.apache.solr.cluster.events.ClusterEventProducerTest.testListenerPlugins(ClusterEventProducerTest.java:405)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:946)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:982)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996)
        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:44)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:375)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:824)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:475)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        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:43)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
        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 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:375)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:831)
        at java.base/java.lang.Thread.run(Thread.java:829)
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