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Posted to builds@lucene.apache.org by Apache Jenkins Server <je...@builds.apache.org> on 2020/06/10 14:12:43 UTC

[JENKINS] Lucene-Solr-Tests-8.5 - Build # 303 - Unstable

Build: https://builds.apache.org/job/Lucene-Solr-Tests-8.5/303/

1 tests failed.
FAILED:  org.apache.solr.cloud.BasicDistributedZkTest.test

Error Message:
Error from server at http://127.0.0.1:36027/jb_z/p/collection1: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/build/solr-core/test/J1/temp/solr.cloud.BasicDistributedZkTest_9CC74E2EB3EA146B-001/index-SimpleFSDirectory-003/_15_Lucene80_0.dvm: Too many open files

Stack Trace:
org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error from server at http://127.0.0.1:36027/jb_z/p/collection1: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/build/solr-core/test/J1/temp/solr.cloud.BasicDistributedZkTest_9CC74E2EB3EA146B-001/index-SimpleFSDirectory-003/_15_Lucene80_0.dvm: Too many open files
	at __randomizedtesting.SeedInfo.seed([9CC74E2EB3EA146B:149371F41D167993]:0)
	at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:665)
	at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:265)
	at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:248)
	at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:211)
	at org.apache.solr.client.solrj.SolrClient.commit(SolrClient.java:504)
	at org.apache.solr.client.solrj.SolrClient.commit(SolrClient.java:479)
	at org.apache.solr.cloud.BasicDistributedZkTest.testUpdateProcessorsRunOnlyOnce(BasicDistributedZkTest.java:852)
	at org.apache.solr.cloud.BasicDistributedZkTest.test(BasicDistributedZkTest.java:438)
	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$10.evaluate(RandomizedRunner.java:988)
	at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsFixedStatement.callStatement(BaseDistributedSearchTestCase.java:1082)
	at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:1054)
	at com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
	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$1.evaluate(TestRuleMarkFailure.java:47)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl$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.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$1.evaluate(TestRuleIgnoreTestSuites.java:54)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
	at java.lang.Thread.run(Thread.java:748)




Build Log:
[...truncated 14455 lines...]
   [junit4] Suite: org.apache.solr.cloud.BasicDistributedZkTest
   [junit4]   2> 1171333 INFO  (SUITE-BasicDistributedZkTest-seed#[9CC74E2EB3EA146B]-worker) [     ] o.a.s.SolrTestCase Setting 'solr.default.confdir' system property to test-framework derived value of '/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/server/solr/configsets/_default/conf'
   [junit4]   2> 1171334 INFO  (SUITE-BasicDistributedZkTest-seed#[9CC74E2EB3EA146B]-worker) [     ] o.a.s.SolrTestCaseJ4 Created dataDir: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/build/solr-core/test/J1/temp/solr.cloud.BasicDistributedZkTest_9CC74E2EB3EA146B-001/data-dir-176-001
   [junit4]   2> 1171334 WARN  (SUITE-BasicDistributedZkTest-seed#[9CC74E2EB3EA146B]-worker) [     ] o.a.s.SolrTestCaseJ4 startTrackingSearchers: numOpens=49 numCloses=49
   [junit4]   2> 1171334 INFO  (SUITE-BasicDistributedZkTest-seed#[9CC74E2EB3EA146B]-worker) [     ] o.a.s.SolrTestCaseJ4 Using TrieFields (NUMERIC_POINTS_SYSPROP=false) w/NUMERIC_DOCVALUES_SYSPROP=false
   [junit4]   2> 1171335 INFO  (SUITE-BasicDistributedZkTest-seed#[9CC74E2EB3EA146B]-worker) [     ] o.a.s.SolrTestCaseJ4 Randomized ssl (false) and clientAuth (false) via: @org.apache.solr.SolrTestCaseJ4$SuppressSSL(bugUrl=https://issues.apache.org/jira/browse/SOLR-5776)
   [junit4]   2> 1171335 INFO  (SUITE-BasicDistributedZkTest-seed#[9CC74E2EB3EA146B]-worker) [     ] o.a.s.SolrTestCaseJ4 SecureRandom sanity checks: test.solr.allowed.securerandom=null & java.security.egd=file:/dev/./urandom
   [junit4]   2> 1171335 INFO  (SUITE-BasicDistributedZkTest-seed#[9CC74E2EB3EA146B]-worker) [     ] o.a.s.BaseDistributedSearchTestCase Setting hostContext system property: /jb_z/p
   [junit4]   2> 1171338 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 1171339 INFO  (ZkTestServer Run Thread) [     ] o.a.s.c.ZkTestServer client port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 1171339 INFO  (ZkTestServer Run Thread) [     ] o.a.s.c.ZkTestServer Starting server
   [junit4]   2> 1171439 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer start zk server on port:36503
   [junit4]   2> 1171439 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer waitForServerUp: 127.0.0.1:36503
   [junit4]   2> 1171439 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:36503
   [junit4]   2> 1171439 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer connecting to 127.0.0.1 36503
   [junit4]   2> 1171440 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1171442 INFO  (zkConnectionManagerCallback-6664-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1171442 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1171444 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1171444 INFO  (zkConnectionManagerCallback-6666-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1171444 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1171445 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer put /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/core/src/test-files/solr/collection1/conf/solrconfig-tlog.xml to /configs/conf1/solrconfig.xml
   [junit4]   2> 1171446 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer put /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/core/src/test-files/solr/collection1/conf/schema.xml to /configs/conf1/schema.xml
   [junit4]   2> 1171447 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer put /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/core/src/test-files/solr/collection1/conf/solrconfig.snippet.randomindexconfig.xml to /configs/conf1/solrconfig.snippet.randomindexconfig.xml
   [junit4]   2> 1171448 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer put /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/core/src/test-files/solr/collection1/conf/stopwords.txt to /configs/conf1/stopwords.txt
   [junit4]   2> 1171448 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer put /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/core/src/test-files/solr/collection1/conf/protwords.txt to /configs/conf1/protwords.txt
   [junit4]   2> 1171449 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer put /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/core/src/test-files/solr/collection1/conf/currency.xml to /configs/conf1/currency.xml
   [junit4]   2> 1171449 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer put /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/core/src/test-files/solr/collection1/conf/enumsConfig.xml to /configs/conf1/enumsConfig.xml
   [junit4]   2> 1171450 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer put /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/core/src/test-files/solr/collection1/conf/open-exchange-rates.json to /configs/conf1/open-exchange-rates.json
   [junit4]   2> 1171451 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer put /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/core/src/test-files/solr/collection1/conf/mapping-ISOLatin1Accent.txt to /configs/conf1/mapping-ISOLatin1Accent.txt
   [junit4]   2> 1171451 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer put /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/core/src/test-files/solr/collection1/conf/old_synonyms.txt to /configs/conf1/old_synonyms.txt
   [junit4]   2> 1171452 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer put /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/core/src/test-files/solr/collection1/conf/synonyms.txt to /configs/conf1/synonyms.txt
   [junit4]   2> 1171452 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.AbstractFullDistribZkTestBase Will use NRT replicas unless explicitly asked otherwise
   [junit4]   2> 1171533 WARN  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.e.j.s.h.g.GzipHandler minGzipSize of 0 is inefficient for short content, break even is size 23
   [junit4]   2> 1171533 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.s.e.JettySolrRunner Start Jetty (configured port=0, binding port=0)
   [junit4]   2> 1171533 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.s.e.JettySolrRunner Trying to start Jetty on port 0 try number 1 ...
   [junit4]   2> 1171533 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.e.j.s.Server jetty-9.4.24.v20191120; built: 2019-11-20T21:37:49.771Z; git: 363d5f2df3a8a28de40604320230664b9c793c16; jvm 1.8.0_191-b12
   [junit4]   2> 1171553 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.e.j.s.session DefaultSessionIdManager workerName=node0
   [junit4]   2> 1171553 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.e.j.s.session No SessionScavenger set, using defaults
   [junit4]   2> 1171553 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.e.j.s.session node0 Scavenging every 600000ms
   [junit4]   2> 1171558 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.e.j.s.h.ContextHandler Started o.e.j.s.ServletContextHandler@23efb1a2{/jb_z/p,null,AVAILABLE}
   [junit4]   2> 1171559 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.e.j.s.AbstractConnector Started ServerConnector@67acc8ff{HTTP/1.1,[http/1.1, h2c]}{127.0.0.1:43799}
   [junit4]   2> 1171559 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.e.j.s.Server Started @1171585ms
   [junit4]   2> 1171559 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.s.e.JettySolrRunner Jetty properties: {solr.data.dir=/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/build/solr-core/test/J1/temp/solr.cloud.BasicDistributedZkTest_9CC74E2EB3EA146B-001/tempDir-001/control/data, replicaType=NRT, hostContext=/jb_z/p, hostPort=43799, coreRootDirectory=/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/build/solr-core/test/J1/../../../../../../../../../../home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/build/solr-core/test/J1/temp/solr.cloud.BasicDistributedZkTest_9CC74E2EB3EA146B-001/control-001/cores}
   [junit4]   2> 1171559 ERROR (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.u.StartupLoggingUtils Missing Java Option solr.log.dir. Logging may be missing or incomplete.
   [junit4]   2> 1171559 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.s.SolrDispatchFilter Using logger factory org.apache.logging.slf4j.Log4jLoggerFactory
   [junit4]   2> 1171559 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.s.SolrDispatchFilter  ___      _       Welcome to Apache Solr™ version 8.5.3
   [junit4]   2> 1171559 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.s.SolrDispatchFilter / __| ___| |_ _   Starting in cloud mode on port null
   [junit4]   2> 1171559 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.s.SolrDispatchFilter \__ \/ _ \ | '_|  Install dir: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr
   [junit4]   2> 1171559 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.s.SolrDispatchFilter |___/\___/_|_|    Start time: 2020-06-10T13:26:06.157Z
   [junit4]   2> 1171561 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1171562 INFO  (zkConnectionManagerCallback-6668-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1171562 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1171664 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.s.SolrDispatchFilter Loading solr.xml from SolrHome (not found in ZooKeeper)
   [junit4]   2> 1171664 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.SolrXmlConfig Loading container configuration from /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/build/solr-core/test/J1/temp/solr.cloud.BasicDistributedZkTest_9CC74E2EB3EA146B-001/control-001/solr.xml
   [junit4]   2> 1171668 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.SolrXmlConfig Configuration parameter autoReplicaFailoverWorkLoopDelay is ignored
   [junit4]   2> 1171668 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.SolrXmlConfig Configuration parameter autoReplicaFailoverBadNodeExpiration is ignored
   [junit4]   2> 1171669 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.SolrXmlConfig MBean server found: com.sun.jmx.mbeanserver.JmxMBeanServer@6ff6e6f7, but no JMX reporters were configured - adding default JMX reporter.
   [junit4]   2> 1173004 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.h.c.HttpShardHandlerFactory Host whitelist initialized: WhitelistHostChecker [whitelistHosts=null, whitelistHostCheckingEnabled=false]
   [junit4]   2> 1173005 WARN  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@334350c[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1173005 WARN  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@334350c[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1173010 WARN  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@6ec4f28b[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1173010 WARN  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@6ec4f28b[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1173011 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkContainer Zookeeper client=127.0.0.1:36503/solr
   [junit4]   2> 1173012 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1173013 INFO  (zkConnectionManagerCallback-6675-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1173013 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1173115 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [n:127.0.0.1:43799_jb_z%2Fp     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1173115 INFO  (zkConnectionManagerCallback-6677-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1173115 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [n:127.0.0.1:43799_jb_z%2Fp     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1173197 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [n:127.0.0.1:43799_jb_z%2Fp     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:43799_jb_z%2Fp
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   [junit4]   2> 1173219 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [n:127.0.0.1:43799_jb_z%2Fp     ] o.a.s.h.a.MetricsHistoryHandler No .system collection, keeping metrics history in memory.
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   [junit4]   2> 1174887 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
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   [junit4]   2> 1174889 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:36503/solr ready
   [junit4]   2> 1174889 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ChaosMonkey monkey: init - expire sessions:false cause connection loss:false
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   [junit4]   2> 1174892 INFO  (OverseerThreadFactory-6424-thread-2-processing-n:127.0.0.1:43799_jb_z%2Fp) [n:127.0.0.1:43799_jb_z%2Fp     ] o.a.s.c.a.c.CreateCollectionCmd Create collection collection1
   [junit4]   2> 1174892 INFO  (OverseerCollectionConfigSetProcessor-73906833782145028-127.0.0.1:43799_jb_z%2Fp-n_0000000000) [n:127.0.0.1:43799_jb_z%2Fp     ] o.a.s.c.OverseerTaskQueue Response ZK path: /overseer/collection-queue-work/qnr-0000000000 doesn't exist.  Requestor may have disconnected from ZooKeeper
   [junit4]   2> 1175095 WARN  (OverseerThreadFactory-6424-thread-2-processing-n:127.0.0.1:43799_jb_z%2Fp) [n:127.0.0.1:43799_jb_z%2Fp     ] o.a.s.c.a.c.CreateCollectionCmd It is unusual to create a collection (collection1) without cores.
   [junit4]   2> 1175097 INFO  (qtp1959552684-20683) [n:127.0.0.1:43799_jb_z%2Fp     ] o.a.s.h.a.CollectionsHandler Wait for new collection to be active for at most 45 seconds. Check all shard replicas
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   [junit4]   2> 1176929 INFO  (closeThreadPool-6693-thread-4) [n:127.0.0.1:36027_jb_z%2Fp     ] o.a.s.h.a.MetricsHistoryHandler No .system collection, keeping metrics history in memory.
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   [junit4]   2> 1176971 INFO  (closeThreadPool-6693-thread-4) [n:127.0.0.1:36027_jb_z%2Fp     ] o.a.s.c.CorePropertiesLocator Found 0 core definitions underneath /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/build/solr-core/test/J1/temp/solr.cloud.BasicDistributedZkTest_9CC74E2EB3EA146B-001/shard-4-001/cores
   [junit4]   2> 1177036 INFO  (closeThreadPool-6693-thread-4) [     ] o.a.s.c.AbstractFullDistribZkTestBase waitForLiveNode: 127.0.0.1:36027_jb_z%2Fp
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   [junit4]   2> 1177329 WARN  (closeThreadPool-6693-thread-1) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@6e86fda6[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1177329 WARN  (closeThreadPool-6693-thread-1) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@6e86fda6[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1177331 WARN  (closeThreadPool-6693-thread-1) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@30e63fdd[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1177331 WARN  (closeThreadPool-6693-thread-1) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@30e63fdd[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1177332 INFO  (closeThreadPool-6693-thread-1) [     ] o.a.s.c.ZkContainer Zookeeper client=127.0.0.1:36503/solr
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   [junit4]   2> 1177445 INFO  (closeThreadPool-6693-thread-1) [n:127.0.0.1:34397_jb_z%2Fp     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1177448 INFO  (closeThreadPool-6693-thread-1) [n:127.0.0.1:34397_jb_z%2Fp     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (4)
   [junit4]   2> 1177451 INFO  (closeThreadPool-6693-thread-1) [n:127.0.0.1:34397_jb_z%2Fp     ] o.a.s.c.ZkController Publish node=127.0.0.1:34397_jb_z%2Fp as DOWN
   [junit4]   2> 1177451 INFO  (closeThreadPool-6693-thread-1) [n:127.0.0.1:34397_jb_z%2Fp     ] o.a.s.c.TransientSolrCoreCacheDefault Allocating transient cache for 4 transient cores
   [junit4]   2> 1177451 INFO  (closeThreadPool-6693-thread-1) [n:127.0.0.1:34397_jb_z%2Fp     ] o.a.s.c.ZkController Register node as live in ZooKeeper:/live_nodes/127.0.0.1:34397_jb_z%2Fp
   [junit4]   2> 1177452 INFO  (zkCallback-6712-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (4) -> (5)
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   [junit4]   2> 1177452 INFO  (zkCallback-6736-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (4) -> (5)
   [junit4]   2> 1177452 INFO  (zkCallback-6676-thread-2) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (4) -> (5)
   [junit4]   2> 1177452 INFO  (zkCallback-6724-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (4) -> (5)
   [junit4]   2> 1177453 INFO  (zkCallback-6748-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (4) -> (5)
   [junit4]   2> 1177454 INFO  (closeThreadPool-6693-thread-1) [n:127.0.0.1:34397_jb_z%2Fp     ] o.a.s.p.PackageLoader /packages.json updated to version -1
   [junit4]   2> 1177454 WARN  (closeThreadPool-6693-thread-1) [n:127.0.0.1:34397_jb_z%2Fp     ] o.a.s.c.CoreContainer Not all security plugins configured!  authentication=disabled authorization=disabled.  Solr is only as secure as you make it. Consider configuring authentication/authorization before exposing Solr to users internal or external.  See https://s.apache.org/solrsecurity for more info
   [junit4]   2> 1177477 INFO  (closeThreadPool-6693-thread-1) [n:127.0.0.1:34397_jb_z%2Fp     ] o.a.s.h.a.MetricsHistoryHandler No .system collection, keeping metrics history in memory.
   [junit4]   2> 1177497 INFO  (closeThreadPool-6693-thread-1) [n:127.0.0.1:34397_jb_z%2Fp     ] o.a.s.m.r.SolrJmxReporter JMX monitoring for 'solr.node' (registry 'solr.node') enabled at server: com.sun.jmx.mbeanserver.JmxMBeanServer@6ff6e6f7
   [junit4]   2> 1177509 INFO  (closeThreadPool-6693-thread-1) [n:127.0.0.1:34397_jb_z%2Fp     ] o.a.s.m.r.SolrJmxReporter JMX monitoring for 'solr.jvm' (registry 'solr.jvm') enabled at server: com.sun.jmx.mbeanserver.JmxMBeanServer@6ff6e6f7
   [junit4]   2> 1177509 INFO  (closeThreadPool-6693-thread-1) [n:127.0.0.1:34397_jb_z%2Fp     ] o.a.s.m.r.SolrJmxReporter JMX monitoring for 'solr.jetty' (registry 'solr.jetty') enabled at server: com.sun.jmx.mbeanserver.JmxMBeanServer@6ff6e6f7
   [junit4]   2> 1177510 INFO  (closeThreadPool-6693-thread-1) [n:127.0.0.1:34397_jb_z%2Fp     ] o.a.s.c.CorePropertiesLocator Found 0 core definitions underneath /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/build/solr-core/test/J1/temp/solr.cloud.BasicDistributedZkTest_9CC74E2EB3EA146B-001/shard-1-001/cores
   [junit4]   2> 1177565 INFO  (closeThreadPool-6693-thread-1) [     ] o.a.s.c.AbstractFullDistribZkTestBase waitForLiveNode: 127.0.0.1:34397_jb_z%2Fp
   [junit4]   2> 1177627 INFO  (qtp1423587688-20752) [n:127.0.0.1:33847_jb_z%2Fp     ] o.a.s.h.a.CollectionsHandler Invoked Collection Action :addreplica with params node=127.0.0.1:38051_jb_z%252Fp&action=ADDREPLICA&collection=collection1&shard=shard2&type=NRT&wt=javabin&version=2 and sendToOCPQueue=true
   [junit4]   2> 1177627 INFO  (qtp1423587688-20753) [n:127.0.0.1:33847_jb_z%2Fp     ] o.a.s.h.a.CollectionsHandler Invoked Collection Action :addreplica with params node=127.0.0.1:34397_jb_z%252Fp&action=ADDREPLICA&collection=collection1&shard=shard2&type=NRT&wt=javabin&version=2 and sendToOCPQueue=true
   [junit4]   2> 1177627 INFO  (qtp1423587688-20754) [n:127.0.0.1:33847_jb_z%2Fp     ] o.a.s.h.a.CollectionsHandler Invoked Collection Action :addreplica with params node=127.0.0.1:36027_jb_z%252Fp&action=ADDREPLICA&collection=collection1&shard=shard1&type=NRT&wt=javabin&version=2 and sendToOCPQueue=true
   [junit4]   2> 1177627 INFO  (qtp1423587688-20750) [n:127.0.0.1:33847_jb_z%2Fp     ] o.a.s.h.a.CollectionsHandler Invoked Collection Action :addreplica with params node=127.0.0.1:33847_jb_z%252Fp&action=ADDREPLICA&collection=collection1&shard=shard1&type=NRT&wt=javabin&version=2 and sendToOCPQueue=true
   [junit4]   2> 1177654 INFO  (OverseerThreadFactory-6424-thread-3-processing-n:127.0.0.1:43799_jb_z%2Fp) [n:127.0.0.1:43799_jb_z%2Fp c:collection1 s:shard2   ] o.a.s.c.a.c.AddReplicaCmd Node Identified 127.0.0.1:34397_jb_z%2Fp for creating new replica of shard shard2 for collection collection1
   [junit4]   2> 1177656 INFO  (OverseerThreadFactory-6424-thread-3-processing-n:127.0.0.1:43799_jb_z%2Fp) [n:127.0.0.1:43799_jb_z%2Fp c:collection1 s:shard2   ] o.a.s.c.a.c.AddReplicaCmd Returning CreateReplica command.
   [junit4]   2> 1177667 INFO  (OverseerThreadFactory-6424-thread-4-processing-n:127.0.0.1:43799_jb_z%2Fp) [n:127.0.0.1:43799_jb_z%2Fp c:collection1 s:shard1   ] o.a.s.c.a.c.AddReplicaCmd Node Identified 127.0.0.1:36027_jb_z%2Fp for creating new replica of shard shard1 for collection collection1
   [junit4]   2> 1177668 INFO  (OverseerThreadFactory-6424-thread-4-processing-n:127.0.0.1:43799_jb_z%2Fp) [n:127.0.0.1:43799_jb_z%2Fp c:collection1 s:shard1   ] o.a.s.c.a.c.AddReplicaCmd Returning CreateReplica command.
   [junit4]   2> 1177701 INFO  (qtp921362890-20739) [n:127.0.0.1:34397_jb_z%2Fp    x:collection1_shard2_replica_n1 ] o.a.s.h.a.CoreAdminOperation core create command qt=/admin/cores&collection.configName=conf1&name=collection1_shard2_replica_n1&action=CREATE&collection=collection1&shard=shard2&wt=javabin&version=2&replicaType=NRT
   [junit4]   2> 1177705 INFO  (qtp696111582-20778) [n:127.0.0.1:36027_jb_z%2Fp    x:collection1_shard1_replica_n2 ] o.a.s.h.a.CoreAdminOperation core create command qt=/admin/cores&collection.configName=conf1&name=collection1_shard1_replica_n2&action=CREATE&collection=collection1&shard=shard1&wt=javabin&version=2&replicaType=NRT
   [junit4]   2> 1178719 INFO  (qtp921362890-20739) [n:127.0.0.1:34397_jb_z%2Fp c:collection1 s:shard2  x:collection1_shard2_replica_n1 ] o.a.s.c.SolrConfig Using Lucene MatchVersion: 8.5.3
   [junit4]   2> 1178719 INFO  (qtp696111582-20778) [n:127.0.0.1:36027_jb_z%2Fp c:collection1 s:shard1  x:collection1_shard1_replica_n2 ] o.a.s.c.SolrConfig Using Lucene MatchVersion: 8.5.3
   [junit4]   2> 1178744 INFO  (qtp696111582-20778) [n:127.0.0.1:36027_jb_z%2Fp c:collection1 s:shard1  x:collection1_shard1_replica_n2 ] o.a.s.s.IndexSchema [collection1_shard1_replica_n2] Schema name=test
   [junit4]   2> 1178744 INFO  (qtp921362890-20739) [n:127.0.0.1:34397_jb_z%2Fp c:collection1 s:shard2  x:collection1_shard2_replica_n1 ] o.a.s.s.IndexSchema [collection1_shard2_replica_n1] Schema name=test
   [junit4]   2> 1178854 INFO  (qtp921362890-20739) [n:127.0.0.1:34397_jb_z%2Fp c:collection1 s:shard2  x:collection1_shard2_replica_n1 ] o.a.s.s.IndexSchema Loaded schema test/1.0 with uniqueid field id
   [junit4]   2> 1178854 INFO  (qtp696111582-20778) [n:127.0.0.1:36027_jb_z%2Fp c:collection1 s:shard1  x:collection1_shard1_replica_n2 ] o.a.s.s.IndexSchema Loaded schema test/1.0 with uniqueid field id
   [junit4]   2> 1178869 INFO  (qtp921362890-20739) [n:127.0.0.1:34397_jb_z%2Fp c:collection1 s:shard2  x:collection1_shard2_replica_n1 ] o.a.s.c.CoreContainer Creating SolrCore 'collection1_shard2_replica_n1' using configuration from configset conf1, trusted=true
   [junit4]   2> 1178869 INFO  (qtp921362890-20739) [n:127.0.0.1:34397_jb_z%2Fp c:collection1 s:shard2  x:collection1_shard2_replica_n1 ] o.a.s.m.r.SolrJmxReporter JMX monitoring for 'solr.core.collection1.shard2.replica_n1' (registry 'solr.core.collection1.shard2.replica_n1') enabled at server: com.sun.jmx.mbeanserver.JmxMBeanServer@6ff6e6f7
   [junit4]   2> 1178869 INFO  (qtp921362890-20739) [n:127.0.0.1:34397_jb_z%2Fp c:collection1 s:shard2  x:collection1_shard2_replica_n1 ] o.a.s.c.SolrCore [[collection1_shard2_replica_n1] ] Opening new SolrCore at [/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/build/solr-core/test/J1/temp/solr.cloud.BasicDistributedZkTest_9CC74E2EB3EA146B-001/shard-1-001/cores/collection1_shard2_replica_n1], dataDir=[/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/build/solr-core/test/J1/temp/solr.cloud.BasicDistributedZkTest_9CC74E2EB3EA146B-001/shard-1-001/cores/collection1_shard2_replica_n1/data/]
   [junit4]   2> 1178871 INFO  (qtp696111582-20778) [n:127.0.0.1:36027_jb_z%2Fp c:collection1 s:shard1  x:collection1_shard1_replica_n2 ] o.a.s.c.CoreContainer Creating SolrCore 'collection1_shard1_replica_n2' using configuration from configset conf1, trusted=true
   [junit4]   2> 1178871 INFO  (qtp696111582-20778) [n:127.0.0.1:36027_jb_z%2Fp c:collection1 s:shard1  x:collection1_shard1_replica_n2 ] o.a.s.m.r.SolrJmxReporter JMX monitoring for 'solr.core.collection1.shard1.replica_n2' (registry 'solr.core.collection1.shard1.replica_n2') enabled at server: com.sun.jmx.mbeanserver.JmxMBeanServer@6ff6e6f7
   [junit4]   2> 1178871 INFO  (qtp696111582-20778) [n:127.0.0.1:36027_jb_z%2Fp c:collection1 s:shard1  x:collection1_shard1_replica_n2 ] o.a.s.c.SolrCore [[collection1_shard1_replica_n2] ] Opening new SolrCore at [/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/build/solr-core/test/J1/temp/solr.cloud.BasicDistributedZkTest_9CC74E2EB3EA146B-001/shard-4-001/cores/collection1_shard1_replica_n2], dataDir=[/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/build/solr-core/test/J1/temp/solr.cloud.BasicDistributedZkTest_9CC74E2EB3EA146B-001/shard-4-001/cores/collection1_shard1_replica_n2/data/]
   [junit4]   2> 1178872 INFO  (qtp921362890-20739) [n:127.0.0.1:34397_jb_z%2Fp c:collection1 s:shard2  x:collection1_shard2_replica_n1 ] o.a.s.u.RandomMergePolicy RandomMergePolicy wrapping class org.apache.lucene.index.TieredMergePolicy: [TieredMergePolicy: maxMergeAtOnce=28, maxMergeAtOnceExplicit=48, maxMergedSegmentMB=74.8232421875, floorSegmentMB=1.775390625, forceMergeDeletesPctAllowed=9.82437884308072, segmentsPerTier=31.0, maxCFSSegmentSizeMB=8.796093022207999E12, noCFSRatio=0.0, deletesPctAllowed=41.672474239855575
   [junit4]   2> 1178873 INFO  (qtp696111582-20778) [n:127.0.0.1:36027_jb_z%2Fp c:collection1 s:shard1  x:collection1_shard1_replica_n2 ] o.a.s.u.RandomMergePolicy RandomMergePolicy wrapping class org.apache.lucene.index.TieredMergePolicy: [TieredMergePolicy: maxMergeAtOnce=28, maxMergeAtOnceExplicit=48, maxMergedSegmentMB=74.8232421875, floorSegmentMB=1.775390625, forceMergeDeletesPctAllowed=9.82437884308072, segmentsPerTier=31.0, maxCFSSegmentSizeMB=8.796093022207999E12, noCFSRatio=0.0, deletesPctAllowed=41.672474239855575
   [junit4]   2> 1178876 WARN  (qtp921362890-20739) [n:127.0.0.1:34397_jb_z%2Fp c:collection1 s:shard2  x:collection1_shard2_replica_n1 ] o.a.s.c.RequestHandlers INVALID paramSet a in requestHandler {type = requestHandler,name = /dump,class = DumpRequestHandler,attributes = {initParams=a, name=/dump, class=DumpRequestHandler},args = {defaults={a=A,b=B}}}
   [junit4]   2> 1178876 WARN  (qtp696111582-20778) [n:127.0.0.1:36027_jb_z%2Fp c:collection1 s:shard1  x:collection1_shard1_replica_n2 ] o.a.s.c.RequestHandlers INVALID paramSet a in requestHandler {type = requestHandler,name = /dump,class = DumpRequestHandler,attributes = {initParams=a, name=/dump, class=DumpRequestHandler},args = {defaults={a=A,b=B}}}
   [junit4]   2> 1178924 INFO  (qtp696111582-20778) [n:127.0.0.1:36027_jb_z%2Fp c:collection1 s:shard1  x:collection1_shard1_replica_n2 ] o.a.s.u.UpdateHandler Using UpdateLog implementation: org.apache.solr.update.UpdateLog
   [junit4]   2> 1178924 INFO  (qtp696111582-20778) [n:127.0.0.1:36027_jb_z%2Fp c:collection1 s:shard1  x:collection1_shard1_replica_n2 ] o.a.s.u.UpdateLog Initializing UpdateLog: dataDir= defaultSyncLevel=FLUSH numRecordsToKeep=100 maxNumLogsToKeep=10 numVersionBuckets=6

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

json
   [junit4]   2> 	2	/solr/overseer_elect/election/73906833782145038-127.0.0.1:38051_jb_z%2Fp-n_0000000002
   [junit4]   2> 
   [junit4]   2> Maximum concurrent children watches above limit:
   [junit4]   2> 
   [junit4]   2> 	137	/solr/overseer/queue
   [junit4]   2> 	73	/solr/overseer/collection-queue-work
   [junit4]   2> 	37	/solr/live_nodes
   [junit4]   2> 	36	/solr/collections
   [junit4]   2> 
   [junit4]   2> 1213696 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer waitForServerDown: 127.0.0.1:36503
   [junit4]   2> 1213696 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:36503
   [junit4]   2> 1213696 INFO  (TEST-BasicDistributedZkTest.test-seed#[9CC74E2EB3EA146B]) [     ] o.a.s.c.ZkTestServer connecting to 127.0.0.1 36503
   [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=BasicDistributedZkTest -Dtests.method=test -Dtests.seed=9CC74E2EB3EA146B -Dtests.multiplier=2 -Dtests.slow=true -Dtests.locale=ar -Dtests.timezone=SystemV/YST9YDT -Dtests.asserts=true -Dtests.file.encoding=UTF-8
   [junit4] ERROR   42.4s J1 | BasicDistributedZkTest.test <<<
   [junit4]    > Throwable #1: org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error from server at http://127.0.0.1:36027/jb_z/p/collection1: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/build/solr-core/test/J1/temp/solr.cloud.BasicDistributedZkTest_9CC74E2EB3EA146B-001/index-SimpleFSDirectory-003/_15_Lucene80_0.dvm: Too many open files
   [junit4]    > 	at __randomizedtesting.SeedInfo.seed([9CC74E2EB3EA146B:149371F41D167993]:0)
   [junit4]    > 	at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:665)
   [junit4]    > 	at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:265)
   [junit4]    > 	at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:248)
   [junit4]    > 	at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:211)
   [junit4]    > 	at org.apache.solr.client.solrj.SolrClient.commit(SolrClient.java:504)
   [junit4]    > 	at org.apache.solr.client.solrj.SolrClient.commit(SolrClient.java:479)
   [junit4]    > 	at org.apache.solr.cloud.BasicDistributedZkTest.testUpdateProcessorsRunOnlyOnce(BasicDistributedZkTest.java:852)
   [junit4]    > 	at org.apache.solr.cloud.BasicDistributedZkTest.test(BasicDistributedZkTest.java:438)
   [junit4]    > 	at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsFixedStatement.callStatement(BaseDistributedSearchTestCase.java:1082)
   [junit4]    > 	at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:1054)
   [junit4]    > 	at java.lang.Thread.run(Thread.java:748)
   [junit4]   2> NOTE: leaving temporary files on disk at: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/build/solr-core/test/J1/temp/solr.cloud.BasicDistributedZkTest_9CC74E2EB3EA146B-001
   [junit4]   2> Jun 10, 2020 1:26:48 PM com.carrotsearch.randomizedtesting.ThreadLeakControl checkThreadLeaks
   [junit4]   2> WARNING: Will linger awaiting termination of 1 leaked thread(s).
   [junit4]   2> NOTE: test params are: codec=Asserting(Lucene84): {regex_dup_A_s=PostingsFormat(name=LuceneVarGapFixedInterval), other_tl1=PostingsFormat(name=MockRandom), regex_dup_B_s=PostingsFormat(name=Direct), range_facet_l_dv=Lucene84, SubjectTerms_mfacet=PostingsFormat(name=MockRandom), n_l1=PostingsFormat(name=Direct), multiDefault=PostingsFormat(name=Direct), intDefault=PostingsFormat(name=MockRandom), genre_s=Lucene84, n_td1=PostingsFormat(name=MockRandom), n_d1=PostingsFormat(name=Direct), range_facet_l=PostingsFormat(name=Direct), n_f1=PostingsFormat(name=MockRandom), series_t=PostingsFormat(name=MockRandom), n_tl1=PostingsFormat(name=MockRandom), oddField_s=Lucene84, n_tf1=PostingsFormat(name=Direct), price=PostingsFormat(name=LuceneVarGapFixedInterval), a_t=PostingsFormat(name=Direct), cat=PostingsFormat(name=Direct), inStock=PostingsFormat(name=LuceneVarGapFixedInterval), sequence_i=Lucene84, id=Lucene84, text=PostingsFormat(name=LuceneVarGapFixedInterval), t_sortable=Lucene84, timestamp=PostingsFormat(name=Direct), foo_i=PostingsFormat(name=MockRandom), val_i=Lucene84, _root_=PostingsFormat(name=MockRandom), n_dt1=PostingsFormat(name=MockRandom), author_t=PostingsFormat(name=MockRandom), a_i1=PostingsFormat(name=Direct), n_ti1=Lucene84, rnd_b=Lucene84, foo_b=PostingsFormat(name=LuceneVarGapFixedInterval), n_tdt1=PostingsFormat(name=MockRandom), name=Lucene84, id_i1=PostingsFormat(name=MockRandom), foo_d=Lucene84, range_facet_i_dv=PostingsFormat(name=Direct), foo_f=PostingsFormat(name=LuceneVarGapFixedInterval)}, docValues:{range_facet_l_dv=DocValuesFormat(name=Asserting), _version_=DocValuesFormat(name=Direct), range_facet_i_dv=DocValuesFormat(name=Lucene80), intDvoDefault=DocValuesFormat(name=Asserting), t_sortable=DocValuesFormat(name=Asserting), timestamp=DocValuesFormat(name=Lucene80)}, maxPointsInLeafNode=123, maxMBSortInHeap=5.281236283324922, sim=Asserting(org.apache.lucene.search.similarities.AssertingSimilarity@43f7fdce), locale=ar, timezone=SystemV/YST9YDT
   [junit4]   2> NOTE: Linux 4.15.0-54-generic amd64/Oracle Corporation 1.8.0_191 (64-bit)/cpus=4,threads=1,free=118099808,total=529530880
   [junit4]   2> NOTE: All tests run in this JVM: [ConnectionManagerTest, DocValuesMultiTest, SplitShardTest, TestExtendedDismaxParser, TestWaitForStateWithJettyShutdowns, OpenExchangeRatesOrgProviderTest, ChaosMonkeySafeLeaderWithPullReplicasTest, TriggerEventQueueTest, CdcrOpsAndBoundariesTest, DataDrivenBlockJoinTest, TestSchemaManager, TestInPlaceUpdateWithRouteField, TestComplexPhraseLeadingWildcard, DisMaxRequestHandlerTest, XsltUpdateRequestHandlerTest, MissingSegmentRecoveryTest, NestedShardedAtomicUpdateTest, UninvertDocValuesMergePolicyTest, IndexSizeEstimatorTest, TestSimGenericDistributedQueue, CurrencyRangeFacetCloudTest, TolerantUpdateProcessorTest, HdfsDirectoryFactoryTest, TestNonDefinedSimilarityFactory, SolrIndexConfigTest, IndexBasedSpellCheckerTest, TestTestInjection, HdfsRecoveryZkTest, OverseerStatusTest, SortByFunctionTest, TestDynamicFieldCollectionResource, TestConfigSetsAPIExclusivity, AtomicUpdateProcessorFactoryTest, TestSolrCLIRunExample, TestInitParams, DistribCursorPagingTest, TestFilteredDocIdSet, TestSolrDeletionPolicy2, UniqFieldsUpdateProcessorFactoryTest, RequestLoggingTest, RestartWhileUpdatingTest, TestAuthenticationFramework, RAMDirectoryFactoryTest, TestRawResponseWriter, TestDirectoryFactory, TestDynamicURP, SOLR749Test, TestNumericRangeQuery64, DistributedTermsComponentTest, ByteBuffersDirectoryFactoryTest, TestStreamBody, TestSweetSpotSimilarityFactory, TestCloudPseudoReturnFields, ClassificationUpdateProcessorTest, TestTolerantUpdateProcessorCloud, DeleteInactiveReplicaTest, DeleteReplicaTest, TestFreeTextSuggestions, ManagedSchemaRoundRobinCloudTest, TestSimTriggerIntegration, SolrRrdBackendFactoryTest, TestSolrConfigHandlerConcurrent, TestStandardQParsers, TestInPlaceUpdatesStandalone, QueryParsingTest, JWTVerificationkeyResolverTest, SmileWriterTest, RecoveryZkTest, TestHdfsBackupRestoreCore, BasicFunctionalityTest, TestReRankQParserPlugin, TestTrackingShardHandlerFactory, TestFaceting, TestRTGBase, AlternateDirectoryTest, DistributedFacetExistsSmallTest, TestHighlightDedupGrouping, TestRestManager, HighlighterTest, TestSchemaVersionResource, MetricTriggerTest, JavaBinAtomicUpdateMultivalueTest, ZkCollectionPropsCachingTest, TestSimNodeLostTrigger, TestBulkSchemaConcurrent, HealthCheckHandlerTest, TestWordDelimiterFilterFactory, TestSolrCachePerf, TestAddFieldRealTimeGet, LeaderTragicEventTest, HdfsChaosMonkeySafeLeaderTest, TestStressReorder, ChangedSchemaMergeTest, SolrInfoBeanTest, TestSolrCloudWithSecureImpersonation, TestPrepRecovery, SolrCLIZkUtilsTest, ShardsWhitelistTest, TestLMDirichletSimilarityFactory, SpatialRPTFieldTypeTest, TestDFISimilarityFactory, TestSolrQueryResponse, TestHashPartitioner, BadCopyFieldTest, AddBlockUpdateTest, SSLMigrationTest, SegmentsInfoRequestHandlerTest, TestLegacyNumericRangeQueryBuilder, DateMathParserTest, OverseerRolesTest, LargeFieldTest, TestOverriddenPrefixQueryForCustomFieldType, TestBackupRepositoryFactory, PathHierarchyTokenizerFactoryTest, TestObjectReleaseTracker, TestSolrTestCaseJ4, SuggesterTest, PreAnalyzedUpdateProcessorTest, SimpleFacetsTest, ScriptEngineTest, TestReplicationHandlerDiskOverFlow, DimensionalRoutedAliasUpdateProcessorTest, TestSimDistributedQueue, CSVRequestHandlerTest, TestManagedStopFilterFactory, DistributedFacetSimpleRefinementLongTailTest, TestDownShardTolerantSearch, ChaosMonkeyNothingIsSafeTest, BufferStoreTest, CloudReplicaSourceTest, TestSurroundQueryParser, TestSolrJ, TestCloudJSONFacetJoinDomain, TestQuerySenderNoQuery, NodeLostTriggerIntegrationTest, TestLegacyField, TestOrdValues, TestJavabinTupleStreamParser, TestLRUStatsCache, TestConfigSetProperties, ReplaceNodeNoTargetTest, BJQFilterAccessibleTest, DateFieldTest, TestExportTool, VMParamsZkACLAndCredentialsProvidersTest, TestValueSourceCache, HdfsCollectionsAPIDistributedZkTest, ResponseBuilderTest, TestDeprecatedFilters, ZkSolrClientTest, CursorPagingTest, MinimalSchemaTest, OutputWriterTest, TestCursorMarkWithoutUniqueKey, TestDistributedGrouping, TestDistributedSearch, TestDocumentBuilder, TestRandomDVFaceting, TestRandomFaceting, TestSimpleTrackingShardHandler, TestTrie, TestReversedWildcardFilterFactory, TestEmbeddedSolrServerAdminHandler, TestEmbeddedSolrServerConstructors, TestEmbeddedSolrServerSchemaAPI, TestJettySolrRunner, ConnectionReuseTest, ActionThrottleTest, AddReplicaTest, AliasIntegrationTest, AssignBackwardCompatibilityTest, BasicDistributedZk2Test, BasicDistributedZkTest]
   [junit4] Completed [405/901 (1!)] on J1 in 42.97s, 1 test, 1 error <<< FAILURES!

[...truncated 54237 lines...]

[JENKINS] Lucene-Solr-Tests-8.5 - Build # 304 - Still Unstable

Posted by Apache Jenkins Server <je...@builds.apache.org>.
Build: https://builds.apache.org/job/Lucene-Solr-Tests-8.5/304/

1 tests failed.
FAILED:  org.apache.solr.cloud.OverseerTest.testShardLeaderChange

Error Message:
Captured an uncaught exception in thread: Thread[id=10049, name=OverseerCollectionConfigSetProcessor-73907818342055970-127.0.0.1:45681_solr-n_0000000000, state=RUNNABLE, group=Overseer collection creation process.]

Stack Trace:
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=10049, name=OverseerCollectionConfigSetProcessor-73907818342055970-127.0.0.1:45681_solr-n_0000000000, state=RUNNABLE, group=Overseer collection creation process.]
	at __randomizedtesting.SeedInfo.seed([BB6AB99A09C79717:65393E6D135F62E6]:0)
Caused by: org.apache.solr.common.AlreadyClosedException
	at __randomizedtesting.SeedInfo.seed([BB6AB99A09C79717]:0)
	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:69)
	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:338)
	at org.apache.solr.cloud.OverseerTaskProcessor.amILeader(OverseerTaskProcessor.java:424)
	at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:155)
	at java.lang.Thread.run(Thread.java:748)




Build Log:
[...truncated 13657 lines...]
   [junit4] Suite: org.apache.solr.cloud.OverseerTest
   [junit4]   2> 552687 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.SolrTestCase Setting 'solr.default.confdir' system property to test-framework derived value of '/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/server/solr/configsets/_default/conf'
   [junit4]   2> 552687 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.SolrTestCaseJ4 Created dataDir: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-8.5/solr/build/solr-core/test/J0/temp/solr.cloud.OverseerTest_BB6AB99A09C79717-001/data-dir-67-001
   [junit4]   2> 552687 WARN  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.SolrTestCaseJ4 startTrackingSearchers: numOpens=1 numCloses=1
   [junit4]   2> 552687 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.SolrTestCaseJ4 Using PointFields (NUMERIC_POINTS_SYSPROP=true) w/NUMERIC_DOCVALUES_SYSPROP=false
   [junit4]   2> 552689 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.SolrTestCaseJ4 Randomized ssl (true) and clientAuth (false) via: @org.apache.solr.util.RandomizeSSL(reason=, value=NaN, ssl=NaN, clientAuth=NaN)
   [junit4]   2> 552689 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.SolrTestCaseJ4 SecureRandom sanity checks: test.solr.allowed.securerandom=null & java.security.egd=file:/dev/./urandom
   [junit4]   2> 552690 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 552690 INFO  (ZkTestServer Run Thread) [     ] o.a.s.c.ZkTestServer client port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 552690 INFO  (ZkTestServer Run Thread) [     ] o.a.s.c.ZkTestServer Starting server
   [junit4]   2> 552790 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.c.ZkTestServer start zk server on port:45681
   [junit4]   2> 552790 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.c.ZkTestServer waitForServerUp: 127.0.0.1:45681
   [junit4]   2> 552790 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:45681
   [junit4]   2> 552790 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.c.ZkTestServer connecting to 127.0.0.1 45681
   [junit4]   2> 552794 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 552797 INFO  (zkConnectionManagerCallback-2433-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 552797 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 552802 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 552803 INFO  (zkConnectionManagerCallback-2435-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 552803 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 552803 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.SolrTestCaseJ4 ####initCore
   [junit4]   2> 552804 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.SolrTestCaseJ4 ####initCore end
   [junit4]   2> 552814 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Starting testDownNodeFailover
   [junit4]   2> 552927 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 552928 INFO  (zkConnectionManagerCallback-2437-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 552928 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 552933 WARN  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 552934 WARN  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@5b9b0378[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 552934 WARN  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@5b9b0378[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 553002 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 553004 INFO  (zkConnectionManagerCallback-2444-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 553004 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 553092 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 553093 INFO  (zkConnectionManagerCallback-2449-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 553093 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 553100 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:45681/solr ready
   [junit4]   2> 553103 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:45681_solr
   [junit4]   2> 553103 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Overseer (id=73907818342055938-127.0.0.1:45681_solr-n_0000000000) starting
   [junit4]   2> 553112 WARN  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 553113 INFO  (OverseerStateUpdate-73907818342055938-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:45681_solr
   [junit4]   2> 553126 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 553137 INFO  (zkConnectionManagerCallback-2453-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 553137 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 553152 INFO  (zkCallback-2452-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 553153 INFO  (zkCallback-2448-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 553154 INFO  (zkCallback-2436-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 553154 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 553155 INFO  (zkCallback-2434-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 553155 INFO  (zkConnectionManagerCallback-2460-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 553155 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 553158 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 553159 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:45681/solr ready
   [junit4]   2> 553269 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection0/leaders/shard1
   [junit4]   2> 553270 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection0/leaders/shard1/leader after winning as /collections/collection0/leader_elect/shard1/election/73907818342055941-127.0.0.1_core1-n_0000000000
   [junit4]   2> 553385 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard1
   [junit4]   2> 553388 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard1/leader after winning as /collections/collection1/leader_elect/shard1/election/73907818342055941-127.0.0.1_core1-n_0000000000
   [junit4]   2> 553496 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection2/leaders/shard1
   [junit4]   2> 553498 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection2/leaders/shard1/leader after winning as /collections/collection2/leader_elect/shard1/election/73907818342055941-127.0.0.1_core1-n_0000000000
   [junit4]   2> 553606 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection3/leaders/shard1
   [junit4]   2> 553608 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection3/leaders/shard1/leader after winning as /collections/collection3/leader_elect/shard1/election/73907818342055941-127.0.0.1_core1-n_0000000000
   [junit4]   2> 553714 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection4/leaders/shard1
   [junit4]   2> 553716 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection4/leaders/shard1/leader after winning as /collections/collection4/leader_elect/shard1/election/73907818342055941-127.0.0.1_core1-n_0000000000
   [junit4]   2> 553718 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (collection0) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 553922 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 553923 INFO  (zkConnectionManagerCallback-2462-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 553923 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 553924 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Overseer (id=73907818342055938-127.0.0.1:45681_solr-n_0000000000) closing
   [junit4]   2> 553924 INFO  (OverseerAutoScalingTriggerThread-73907818342055938-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 553924 INFO  (OverseerStateUpdate-73907818342055938-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:45681_solr
   [junit4]   2> 553932 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer Error communicating with ZooKeeper
   [junit4]   2>           => org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:2131) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 553933 WARN  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 553934 WARN  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@7d0e79bd[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 553934 WARN  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@7d0e79bd[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 553942 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 553943 INFO  (zkConnectionManagerCallback-2469-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 553943 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 553945 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 553945 INFO  (zkConnectionManagerCallback-2474-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 553945 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 553946 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 553947 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:45681/solr ready
   [junit4]   2> 553948 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:45681_solr
   [junit4]   2> 553949 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Overseer (id=73907818342055943-127.0.0.1:45681_solr-n_0000000001) starting
   [junit4]   2> 553952 INFO  (OverseerStateUpdate-73907818342055943-127.0.0.1:45681_solr-n_0000000001) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:45681_solr
   [junit4]   2> 553953 INFO  (OverseerStateUpdate-73907818342055943-127.0.0.1:45681_solr-n_0000000001) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 553958 WARN  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 553958 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (collection0) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 553959 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (collection1) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 553959 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (collection2) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 553960 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (collection3) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 553960 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (collection4) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 553963 INFO  (zkCallback-2459-thread-2) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 553963 INFO  (zkCallback-2434-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 553963 INFO  (zkCallback-2452-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 553964 INFO  (zkCallback-2448-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 554068 INFO  (zkCallback-2473-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 554068 INFO  (zkCallback-2461-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 554476 INFO  (closeThreadPool-2476-thread-2) [     ] o.a.s.c.Overseer Overseer (id=73907818342055943-127.0.0.1:45681_solr-n_0000000001) closing
   [junit4]   2> 554476 INFO  (closeThreadPool-2476-thread-1) [     ] o.a.s.c.Overseer Overseer (id=73907818342055938-127.0.0.1:45681_solr-n_0000000000) closing
   [junit4]   2> 554476 INFO  (OverseerStateUpdate-73907818342055943-127.0.0.1:45681_solr-n_0000000001) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:45681_solr
   [junit4]   2> 554479 INFO  (OverseerAutoScalingTriggerThread-73907818342055943-127.0.0.1:45681_solr-n_0000000001) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 554482 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer Error communicating with ZooKeeper
   [junit4]   2>           => org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:2131) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 554519 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Ending testDownNodeFailover
   [junit4]   2> 554524 INFO  (TEST-OverseerTest.testReplay-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Starting testReplay
   [junit4]   2> 554568 INFO  (TEST-OverseerTest.testReplay-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 554569 INFO  (zkConnectionManagerCallback-2480-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 554569 INFO  (TEST-OverseerTest.testReplay-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 554571 WARN  (TEST-OverseerTest.testReplay-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 554574 WARN  (TEST-OverseerTest.testReplay-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@6edd341b[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 554574 WARN  (TEST-OverseerTest.testReplay-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@6edd341b[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 554578 INFO  (TEST-OverseerTest.testReplay-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 554579 INFO  (zkConnectionManagerCallback-2487-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 554579 INFO  (TEST-OverseerTest.testReplay-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 554582 INFO  (TEST-OverseerTest.testReplay-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 554586 INFO  (zkConnectionManagerCallback-2492-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 554586 INFO  (TEST-OverseerTest.testReplay-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 554588 INFO  (TEST-OverseerTest.testReplay-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:45681/solr ready
   [junit4]   2> 554589 INFO  (TEST-OverseerTest.testReplay-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:45681_solr
   [junit4]   2> 554590 INFO  (TEST-OverseerTest.testReplay-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Overseer (id=73907818342055946-127.0.0.1:45681_solr-n_0000000000) starting
   [junit4]   2> 554602 WARN  (TEST-OverseerTest.testReplay-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 554602 INFO  (OverseerStateUpdate-73907818342055946-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:45681_solr
   [junit4]   2> 555030 INFO  (closeThreadPool-2494-thread-1) [     ] o.a.s.c.Overseer Overseer (id=73907818342055946-127.0.0.1:45681_solr-n_0000000000) closing
   [junit4]   2> 555030 INFO  (OverseerAutoScalingTriggerThread-73907818342055946-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 555030 INFO  (OverseerStateUpdate-73907818342055946-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:45681_solr
   [junit4]   2> 555035 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer Error communicating with ZooKeeper
   [junit4]   2>           => org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:2131) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 555069 INFO  (TEST-OverseerTest.testReplay-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Ending testReplay
   [junit4]   2> 555075 INFO  (TEST-OverseerTest.testStateChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Starting testStateChange
   [junit4]   2> 555126 INFO  (TEST-OverseerTest.testStateChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 555128 INFO  (zkConnectionManagerCallback-2498-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 555128 INFO  (TEST-OverseerTest.testStateChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 555130 WARN  (TEST-OverseerTest.testStateChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 555134 WARN  (TEST-OverseerTest.testStateChange-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@65fa921d[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 555134 WARN  (TEST-OverseerTest.testStateChange-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@65fa921d[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 555135 INFO  (TEST-OverseerTest.testStateChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 555136 INFO  (zkConnectionManagerCallback-2505-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 555136 INFO  (TEST-OverseerTest.testStateChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 555139 INFO  (TEST-OverseerTest.testStateChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 555140 INFO  (zkConnectionManagerCallback-2510-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 555140 INFO  (TEST-OverseerTest.testStateChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 555146 INFO  (TEST-OverseerTest.testStateChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:45681/solr ready
   [junit4]   2> 555147 INFO  (TEST-OverseerTest.testStateChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:45681_solr
   [junit4]   2> 555149 INFO  (TEST-OverseerTest.testStateChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Overseer (id=73907818342055949-127.0.0.1:45681_solr-n_0000000000) starting
   [junit4]   2> 555158 WARN  (TEST-OverseerTest.testStateChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 555158 INFO  (OverseerStateUpdate-73907818342055949-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:45681_solr
   [junit4]   2> 555165 INFO  (TEST-OverseerTest.testStateChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (collection1) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 555267 INFO  (TEST-OverseerTest.testStateChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (collection1) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 555574 INFO  (closeThreadPool-2512-thread-1) [     ] o.a.s.c.Overseer Overseer (id=73907818342055949-127.0.0.1:45681_solr-n_0000000000) closing
   [junit4]   2> 555574 INFO  (OverseerAutoScalingTriggerThread-73907818342055949-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 555574 INFO  (OverseerStateUpdate-73907818342055949-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:45681_solr
   [junit4]   2> 555577 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer Error communicating with ZooKeeper
   [junit4]   2>           => org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:2131) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 555608 INFO  (TEST-OverseerTest.testStateChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Ending testStateChange
   [junit4]   2> 555613 INFO  (TEST-OverseerTest.testLatchWatcher-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Starting testLatchWatcher
   [junit4]   2> 555715 INFO  (TEST-OverseerTest.testLatchWatcher-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Ending testLatchWatcher
   [junit4]   2> 555721 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Starting testOverseerFailure
   [junit4]   2> 555762 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 555763 INFO  (zkConnectionManagerCallback-2518-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 555763 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 555766 INFO  (zkCallback-2434-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 555770 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 555770 INFO  (zkCallback-2517-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 555771 INFO  (zkConnectionManagerCallback-2522-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 555771 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 555773 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 555773 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@4acf41de[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 555773 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@4acf41de[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 555778 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 555779 INFO  (zkConnectionManagerCallback-2529-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 555779 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 555787 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 555787 INFO  (zkConnectionManagerCallback-2534-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 555787 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 555788 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 555789 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:45681/solr ready
   [junit4]   2> 555790 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:45681_solr
   [junit4]   2> 555791 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Overseer (id=73907818342055953-127.0.0.1:45681_solr-n_0000000000) starting
   [junit4]   2> 555799 INFO  (OverseerStateUpdate-73907818342055953-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:45681_solr
   [junit4]   2> 555799 INFO  (OverseerStateUpdate-73907818342055953-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 555806 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 555818 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 555826 INFO  (zkConnectionManagerCallback-2539-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 555826 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 555827 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 555828 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:45681/solr ready
   [junit4]   2> 555933 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard1
   [junit4]   2> 555938 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard1/leader after winning as /collections/collection1/leader_elect/shard1/election/73907818342055952-node1_core1-n_0000000000
   [junit4]   2> 555939 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (collection1) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 555942 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard1
   [junit4]   2> 555943 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard1/leader after winning as /collections/collection1/leader_elect/shard1/election/73907818342055952-node1_core1-n_0000000001
   [junit4]   2> 555944 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (collection1) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 556049 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard1
   [junit4]   2> 556050 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard1/leader after winning as /collections/collection1/leader_elect/shard1/election/73907818342055952-node1_core1-n_0000000002
   [junit4]   2> 556148 WARN  (OverseerStateUpdate-73907818342055953-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Solr cannot talk to ZK, exiting Overseer main queue loop
   [junit4]   2>           => org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /clusterstate.json
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /clusterstate.json
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:2384) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$setData$6(SolrZkClient.java:350) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.setData(SolrZkClient.java:350) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.overseer.ZkStateWriter.writePendingUpdates(ZkStateWriter.java:220) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:259) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 556148 INFO  (OverseerStateUpdate-73907818342055953-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:45681_solr
   [junit4]   2> 556156 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 556157 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer Error communicating with ZooKeeper
   [junit4]   2>           => org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:2131) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 556159 INFO  (zkConnectionManagerCallback-2541-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 556159 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 556159 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Overseer (id=73907818342055953-127.0.0.1:45681_solr-n_0000000000) closing
   [junit4]   2> 556159 INFO  (OverseerAutoScalingTriggerThread-73907818342055953-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 556162 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 556168 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@59e106eb[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 556168 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@59e106eb[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 556169 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 556171 INFO  (zkConnectionManagerCallback-2548-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 556171 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 556174 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 556175 INFO  (zkConnectionManagerCallback-2553-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 556175 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 556176 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 556177 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:45681/solr ready
   [junit4]   2> 556178 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:45681_solr
   [junit4]   2> 556179 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Overseer (id=73907818342055957-127.0.0.1:45681_solr-n_0000000001) starting
   [junit4]   2> 556186 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 556186 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (collection1) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 556187 INFO  (OverseerStateUpdate-73907818342055957-127.0.0.1:45681_solr-n_0000000001) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:45681_solr
   [junit4]   2> 556188 INFO  (OverseerStateUpdate-73907818342055957-127.0.0.1:45681_solr-n_0000000001) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 556301 INFO  (zkCallback-2434-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 556301 INFO  (zkCallback-2517-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 556301 INFO  (zkCallback-2540-thread-2) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 556301 INFO  (zkCallback-2533-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 556301 INFO  (zkCallback-2552-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 556301 INFO  (zkCallback-2538-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 556812 INFO  (closeThreadPool-2555-thread-1) [     ] o.a.s.c.Overseer Overseer (id=73907818342055953-127.0.0.1:45681_solr-n_0000000000) closing
   [junit4]   2> 556812 INFO  (closeThreadPool-2555-thread-2) [     ] o.a.s.c.Overseer Overseer (id=73907818342055957-127.0.0.1:45681_solr-n_0000000001) closing
   [junit4]   2> 556812 INFO  (OverseerStateUpdate-73907818342055957-127.0.0.1:45681_solr-n_0000000001) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:45681_solr
   [junit4]   2> 556812 INFO  (OverseerAutoScalingTriggerThread-73907818342055957-127.0.0.1:45681_solr-n_0000000001) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 556815 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer Error communicating with ZooKeeper
   [junit4]   2>           => org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:2131) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 556840 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Ending testOverseerFailure
   [junit4]   2> 556845 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Starting testBadQueueItem
   [junit4]   2> 556859 ERROR (Finalizer) [     ] o.a.s.c.CoreContainer CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE RESOURCE LEAK!!!  instance=1086989557
   [junit4]   2> 556860 ERROR (Finalizer) [     ] o.a.s.c.CoreContainer CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE RESOURCE LEAK!!!  instance=1236901821
   [junit4]   2> 556860 ERROR (Finalizer) [     ] o.a.s.c.CoreContainer CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE RESOURCE LEAK!!!  instance=949151302
   [junit4]   2> 556860 ERROR (Finalizer) [     ] o.a.s.c.CoreContainer CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE RESOURCE LEAK!!!  instance=405077228
   [junit4]   2> 556860 ERROR (Finalizer) [     ] o.a.s.c.CoreContainer CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE RESOURCE LEAK!!!  instance=165191313
   [junit4]   2> 556860 ERROR (Finalizer) [     ] o.a.s.c.CoreContainer CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE RESOURCE LEAK!!!  instance=203009120
   [junit4]   2> 556860 ERROR (Finalizer) [     ] o.a.s.c.CoreContainer CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE RESOURCE LEAK!!!  instance=597085043
   [junit4]   2> 556897 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 556897 INFO  (zkConnectionManagerCallback-2557-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 556897 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 556903 WARN  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 556903 WARN  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@2bfa0f76[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 556903 WARN  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@2bfa0f76[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 556904 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 556905 INFO  (zkConnectionManagerCallback-2564-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 556905 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 556908 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 556909 INFO  (zkConnectionManagerCallback-2569-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 556909 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 556910 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:45681/solr ready
   [junit4]   2> 556912 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:45681_solr
   [junit4]   2> 556912 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Overseer (id=73907818342055960-127.0.0.1:45681_solr-n_0000000000) starting
   [junit4]   2> 556921 INFO  (OverseerStateUpdate-73907818342055960-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:45681_solr
   [junit4]   2> 556926 WARN  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 556928 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 556931 INFO  (zkConnectionManagerCallback-2573-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 556931 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 556935 INFO  (zkCallback-2434-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 556935 INFO  (zkCallback-2556-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 556942 INFO  (zkCallback-2572-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 556942 INFO  (zkCallback-2568-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 557053 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard1
   [junit4]   2> 557054 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard1/leader after winning as /collections/collection1/leader_elect/shard1/election/73907818342055963-127.0.0.1_core1-n_0000000000
   [junit4]   2> 557159 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard2
   [junit4]   2> 557163 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard2/leader after winning as /collections/collection1/leader_elect/shard2/election/73907818342055963-127.0.0.1_core2-n_0000000000
   [junit4]   2> 557268 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard3
   [junit4]   2> 557269 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard3/leader after winning as /collections/collection1/leader_elect/shard3/election/73907818342055963-127.0.0.1_core3-n_0000000000
   [junit4]   2> 557373 ERROR (OverseerStateUpdate-73907818342055960-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.o.CollectionMutator Skipping invalid Overseer message because it has no collection specified: {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"127.0.0.1",
   [junit4]   2>   "core":"core0",
   [junit4]   2>   "core_node_name":"node0",
   [junit4]   2>   "collection":"",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://127.0.0.1/solr/"}
   [junit4]   2> 557374 ERROR (OverseerStateUpdate-73907818342055960-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.o.CollectionMutator Skipping invalid Overseer message because it has no collection specified: {
   [junit4]   2>   "operation":"deletecore",
   [junit4]   2>   "node_name":"127.0.0.1",
   [junit4]   2>   "core":"core0",
   [junit4]   2>   "core_node_name":"node0",
   [junit4]   2>   "collection":""}
   [junit4]   2> 557483 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection2/leaders/shard1
   [junit4]   2> 557486 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection2/leaders/shard1/leader after winning as /collections/collection2/leader_elect/shard1/election/73907818342055963-127.0.0.1_core1-n_0000000000
   [junit4]   2> 557591 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection2/leaders/shard2
   [junit4]   2> 557592 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection2/leaders/shard2/leader after winning as /collections/collection2/leader_elect/shard2/election/73907818342055963-127.0.0.1_core2-n_0000000000
   [junit4]   2> 557699 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection2/leaders/shard3
   [junit4]   2> 557700 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection2/leaders/shard3/leader after winning as /collections/collection2/leader_elect/shard3/election/73907818342055963-127.0.0.1_core3-n_0000000000
   [junit4]   2> 557805 INFO  (zkCallback-2568-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 557805 INFO  (zkCallback-2434-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 557805 INFO  (zkCallback-2556-thread-2) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 557805 INFO  (zkCallback-2572-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 558209 INFO  (closeThreadPool-2577-thread-1) [     ] o.a.s.c.Overseer Overseer (id=73907818342055960-127.0.0.1:45681_solr-n_0000000000) closing
   [junit4]   2> 558210 INFO  (OverseerStateUpdate-73907818342055960-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:45681_solr
   [junit4]   2> 558210 INFO  (OverseerAutoScalingTriggerThread-73907818342055960-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 558212 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer Error communicating with ZooKeeper
   [junit4]   2>           => org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:2131) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 558242 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Ending testBadQueueItem
   [junit4]   2> 558247 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Starting testOverseerStatsReset
   [junit4]   2> 558287 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 558288 INFO  (zkConnectionManagerCallback-2581-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 558288 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 558293 INFO  (zkCallback-2434-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 558294 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 558294 INFO  (zkCallback-2580-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 558295 INFO  (zkConnectionManagerCallback-2588-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 558295 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 558296 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 558296 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:45681/solr ready
   [junit4]   2> 558298 WARN  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 558302 WARN  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@39a56d00[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 558302 WARN  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@39a56d00[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 558306 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:45681_solr
   [junit4]   2> 558309 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Overseer (id=73907818342055937-127.0.0.1:45681_solr-n_0000000000) starting
   [junit4]   2> 558315 INFO  (OverseerStateUpdate-73907818342055937-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:45681_solr
   [junit4]   2> 558322 WARN  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 558427 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard1
   [junit4]   2> 558430 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard1/leader after winning as /collections/collection1/leader_elect/shard1/election/73907818342055964-node1_core1-n_0000000000
   [junit4]   2> 558431 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Overseer (id=73907818342055937-127.0.0.1:45681_solr-n_0000000000) closing
   [junit4]   2> 558431 INFO  (OverseerStateUpdate-73907818342055937-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:45681_solr
   [junit4]   2> 558431 INFO  (OverseerAutoScalingTriggerThread-73907818342055937-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 558434 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Overseer (id=73907818342055937-127.0.0.1:45681_solr-n_0000000000) closing
   [junit4]   2> 558438 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Overseer (id=73907818342055937-127.0.0.1:45681_solr-n_0000000000) closing
   [junit4]   2> 558438 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Overseer (id=73907818342055937-127.0.0.1:45681_solr-n_0000000000) closing
   [junit4]   2> 558439 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:45681_solr
   [junit4]   2> 558439 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer I (id=73907818342055937-127.0.0.1:45681_solr-n_0000000000) am exiting, but I'm still the leader
   [junit4]   2> 558439 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Overseer (id=73907818342055937-127.0.0.1:45681_solr-n_0000000001) starting
   [junit4]   2> 558449 WARN  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 558451 INFO  (zkCallback-2580-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 558451 INFO  (zkCallback-2434-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 558451 INFO  (zkCallback-2587-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 558451 INFO  (OverseerStateUpdate-73907818342055937-127.0.0.1:45681_solr-n_0000000001) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:45681_solr
   [junit4]   2> 558656 INFO  (closeThreadPool-2593-thread-1) [     ] o.a.s.c.Overseer Overseer (id=73907818342055937-127.0.0.1:45681_solr-n_0000000001) closing
   [junit4]   2> 558656 INFO  (OverseerStateUpdate-73907818342055937-127.0.0.1:45681_solr-n_0000000001) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:45681_solr
   [junit4]   2> 558656 INFO  (OverseerAutoScalingTriggerThread-73907818342055937-127.0.0.1:45681_solr-n_0000000001) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 558659 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer I (id=73907818342055937-127.0.0.1:45681_solr-n_0000000001) am exiting, but I'm still the leader
   [junit4]   2> 558682 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Ending testOverseerStatsReset
   [junit4]   2> 558689 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Starting testShardAssignment
   [junit4]   2> 558724 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 558725 INFO  (zkConnectionManagerCallback-2595-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 558725 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 558727 WARN  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 558728 WARN  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@308ffc8a[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 558728 WARN  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@308ffc8a[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 558729 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 558729 INFO  (zkConnectionManagerCallback-2602-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 558729 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 558735 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 558738 INFO  (zkConnectionManagerCallback-2607-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 558738 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 558740 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:45681/solr ready
   [junit4]   2> 558741 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:45681_solr
   [junit4]   2> 558741 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Overseer (id=73907818342055966-127.0.0.1:45681_solr-n_0000000000) starting
   [junit4]   2> 558746 INFO  (OverseerStateUpdate-73907818342055966-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:45681_solr
   [junit4]   2> 558746 WARN  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 558749 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 558750 INFO  (zkConnectionManagerCallback-2611-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 558750 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 558754 INFO  (zkCallback-2434-thread-2) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 558762 INFO  (zkCallback-2606-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 558762 INFO  (zkCallback-2610-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 558762 INFO  (zkCallback-2594-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 558867 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard1
   [junit4]   2> 558868 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard1/leader after winning as /collections/collection1/leader_elect/shard1/election/73907818342055969-127.0.0.1_core1-n_0000000000
   [junit4]   2> 558973 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard2
   [junit4]   2> 558974 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard2/leader after winning as /collections/collection1/leader_elect/shard2/election/73907818342055969-127.0.0.1_core2-n_0000000000
   [junit4]   2> 559079 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard3
   [junit4]   2> 559081 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard3/leader after winning as /collections/collection1/leader_elect/shard3/election/73907818342055969-127.0.0.1_core3-n_0000000000
   [junit4]   2> 559186 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard1
   [junit4]   2> 559290 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard2
   [junit4]   2> 559395 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard3
   [junit4]   2> 559398 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase No version found for ephemeral leader parent node, won't remove previous leader registration.
   [junit4]   2> 559399 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase No version found for ephemeral leader parent node, won't remove previous leader registration.
   [junit4]   2> 559399 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.ShardLeaderElectionContextBase No version found for ephemeral leader parent node, won't remove previous leader registration.
   [junit4]   2> 559399 WARN  (zkCallback-2610-thread-1) [     ] o.a.s.c.LeaderElector Our node is no longer in line to be leader
   [junit4]   2> 559400 WARN  (zkCallback-2610-thread-1) [     ] o.a.s.c.LeaderElector Our node is no longer in line to be leader
   [junit4]   2> 559400 WARN  (zkCallback-2610-thread-1) [     ] o.a.s.c.LeaderElector Our node is no longer in line to be leader
   [junit4]   2> 559401 INFO  (zkCallback-2434-thread-2) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 559401 INFO  (zkCallback-2610-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 559401 INFO  (zkCallback-2606-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 559401 INFO  (zkCallback-2594-thread-2) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 559706 INFO  (closeThreadPool-2615-thread-1) [     ] o.a.s.c.Overseer Overseer (id=73907818342055966-127.0.0.1:45681_solr-n_0000000000) closing
   [junit4]   2> 559706 INFO  (OverseerStateUpdate-73907818342055966-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:45681_solr
   [junit4]   2> 559707 INFO  (OverseerAutoScalingTriggerThread-73907818342055966-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 559711 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer Error communicating with ZooKeeper
   [junit4]   2>           => org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:2131) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 559736 INFO  (TEST-OverseerTest.testShardAssignment-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Ending testShardAssignment
   [junit4]   2> 559741 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Starting testShardLeaderChange
   [junit4]   2> 559785 INFO  (Thread-3180) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 559787 INFO  (zkConnectionManagerCallback-2619-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 559787 INFO  (Thread-3180) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 559788 WARN  (TEST-OverseerTest.testShardLeaderChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 559793 WARN  (Thread-3180) [     ] o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 559793 WARN  (TEST-OverseerTest.testShardLeaderChange-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@70fb1164[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 559793 WARN  (TEST-OverseerTest.testShardLeaderChange-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@70fb1164[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 559794 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 559794 WARN  (Thread-3180) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@3c9dbc4f[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 559794 WARN  (Thread-3180) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@3c9dbc4f[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 559795 INFO  (zkConnectionManagerCallback-2628-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 559795 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 559796 INFO  (Thread-3180) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 559797 WARN  (TEST-OverseerTest.testShardLeaderChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 559797 INFO  (zkConnectionManagerCallback-2631-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 559797 INFO  (Thread-3180) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 559798 WARN  (TEST-OverseerTest.testShardLeaderChange-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@6cfc39e1[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 559798 WARN  (TEST-OverseerTest.testShardLeaderChange-seed#[BB6AB99A09C79717]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@6cfc39e1[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 559803 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 559803 INFO  (Thread-3180) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 559803 INFO  (zkConnectionManagerCallback-2639-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 559803 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 559814 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 559817 INFO  (zkConnectionManagerCallback-2648-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 559817 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 559818 INFO  (zkConnectionManagerCallback-2643-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 559818 INFO  (Thread-3180) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 559819 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:45681/solr ready
   [junit4]   2> 559820 INFO  (Thread-3180) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:45681/solr ready
   [junit4]   2> 559821 INFO  (Thread-3180) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:45681_solr
   [junit4]   2> 559822 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 559823 INFO  (Thread-3180) [     ] o.a.s.c.Overseer Overseer (id=73907818342055970-127.0.0.1:45681_solr-n_0000000000) starting
   [junit4]   2> 559823 INFO  (zkConnectionManagerCallback-2650-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 559823 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[BB6AB99A09C79717]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 559830 INFO  (zkCallback-2434-thread-2) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 559830 INFO  (zkCallback-2642-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 559831 INFO  (zkCallback-2649-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 559831 INFO  (zkCallback-2647-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 559831 WARN  (Thread-3180) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 559831 INFO  (Thread-3180) [     ] o.a.s.c.OverseerTest Killing overseer.
   [junit4]   2> 559833 INFO  (zkCallback-2627-thread-1) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:45681_solr
   [junit4]   2> 559834 INFO  (zkCallback-2627-thread-1) [     ] o.a.s.c.Overseer Overseer (id=73907818342055971-127.0.0.1:45681_solr-n_0000000001) starting
   [junit4]   2> 559838 WARN  (zkCallback-2627-thread-1) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 559842 INFO  (OverseerStateUpdate-73907818342055971-127.0.0.1:45681_solr-n_0000000001) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:45681_solr
   [junit4]   2> 559843 INFO  (OverseerStateUpdate-73907818342055971-127.0.0.1:45681_solr-n_0000000001) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 559932 INFO  (OverseerStateUpdate-73907818342055970-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer According to ZK I (id=73907818342055970-127.0.0.1:45681_solr-n_0000000000) am no longer a leader. propsId=null
   [junit4]   2> 559932 INFO  (OverseerStateUpdate-73907818342055970-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:45681_solr
   [junit4]   2> 559932 INFO  (OverseerStateUpdate-73907818342055970-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer According to ZK I (id=73907818342055970-127.0.0.1:45681_solr-n_0000000000) am no longer a leader. propsId=null
   [junit4]   2> 559932 INFO  (OverseerStateUpdate-73907818342055970-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:45681_solr
   [junit4]   2> 559934 INFO  (Thread-3180) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 559941 INFO  (zkConnectionManagerCallback-2654-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 559942 INFO  (Thread-3180) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 559942 INFO  (Thread-3180) [     ] o.a.s.c.Overseer Overseer (id=73907818342055971-127.0.0.1:45681_solr-n_0000000001) closing
   [junit4]   2> 559943 INFO  (OverseerAutoScalingTriggerThread-73907818342055971-127.0.0.1:45681_solr-n_0000000001) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 559943 INFO  (OverseerStateUpdate-73907818342055971-127.0.0.1:45681_solr-n_0000000001) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:45681_solr
   [junit4]   2> 559943 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer Error communicating with ZooKeeper
   [junit4]   2>           => org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session exp

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

118)
   [junit4]   2> org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /collections/collection1/state.json
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:118) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:1538) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$create$8(SolrZkClient.java:399) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.create(SolrZkClient.java:399) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.overseer.ZkStateWriter.writePendingUpdates(ZkStateWriter.java:204) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:259) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 572565 WARN  (OverseerStateUpdate-73907818342056058-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Exception when process message = {
   [junit4]   2>   "operation":"create",
   [junit4]   2>   "name":"collection1",
   [junit4]   2>   "replicationFactor":"1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "stateFormat":"2",
   [junit4]   2>   "createNodeSet":""}, consider as bad message and poll out from the queue
   [junit4]   2> 572565 ERROR (OverseerStateUpdate-73907818342056058-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Exception in Overseer when process message from work queue, retrying
   [junit4]   2>           => org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /collections/collection1/state.json
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:118)
   [junit4]   2> org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /collections/collection1/state.json
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:118) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:1538) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$create$8(SolrZkClient.java:399) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.create(SolrZkClient.java:399) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.overseer.ZkStateWriter.writePendingUpdates(ZkStateWriter.java:204) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.overseer.ZkStateWriter.enqueueUpdate(ZkStateWriter.java:130) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.processQueueItem(Overseer.java:315) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:189) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 572873 INFO  (closeThreadPool-3025-thread-1) [     ] o.a.s.c.Overseer Overseer (id=73907818342056058-127.0.0.1:45681_solr-n_0000000000) closing
   [junit4]   2> 572873 INFO  (OverseerStateUpdate-73907818342056058-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:45681_solr
   [junit4]   2> 572873 INFO  (OverseerAutoScalingTriggerThread-73907818342056058-127.0.0.1:45681_solr-n_0000000000) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 572877 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer Error communicating with ZooKeeper
   [junit4]   2>           => org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:2131) ~[zookeeper-3.5.5.jar:3.5.5]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:338) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 572909 INFO  (TEST-OverseerTest.testExceptionWhenFlushClusterState-seed#[BB6AB99A09C79717]) [     ] o.a.s.SolrTestCaseJ4 ###Ending testExceptionWhenFlushClusterState
   [junit4]   1> / (0)
   [junit4]   1> 
   [junit4]   2> 572910 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.c.ZkTestServer Shutting down ZkTestServer.
   [junit4]   2> 573112 WARN  (ZkTestServer Run Thread) [     ] o.a.s.c.ZkTestServer Watch limit violations: 
   [junit4]   2> Maximum concurrent create/delete watches above limit:
   [junit4]   2> 
   [junit4]   2> 	102	/solr/collections/collection1/state.json
   [junit4]   2> 	100	/solr/aliases.json
   [junit4]   2> 	100	/solr/clusterprops.json
   [junit4]   2> 	13	/solr/collections/collection2/state.json
   [junit4]   2> 	5	/solr/collections/c1/state.json
   [junit4]   2> 	4	/solr/collections/collection3/state.json
   [junit4]   2> 	3	/solr/collections/collection0/state.json
   [junit4]   2> 	2	/solr/collections/collection4/state.json
   [junit4]   2> 
   [junit4]   2> Maximum concurrent data watches above limit:
   [junit4]   2> 
   [junit4]   2> 	745	/solr/clusterstate.json
   [junit4]   2> 	26	/solr/autoscaling.json
   [junit4]   2> 	3	/solr/collections/test/state.json
   [junit4]   2> 
   [junit4]   2> Maximum concurrent children watches above limit:
   [junit4]   2> 
   [junit4]   2> 	789	/solr/live_nodes
   [junit4]   2> 	234	/solr/overseer/queue
   [junit4]   2> 	159	/solr/collections
   [junit4]   2> 	28	/solr/overseer/queue-work
   [junit4]   2> 	26	/solr/autoscaling/events/.scheduled_maintenance
   [junit4]   2> 	26	/solr/autoscaling/events/.auto_add_replicas
   [junit4]   2> 	25	/solr/overseer/collection-queue-work
   [junit4]   2> 
   [junit4]   2> 573120 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.c.ZkTestServer waitForServerDown: 127.0.0.1:45681
   [junit4]   2> 573120 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:45681
   [junit4]   2> 573120 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.c.ZkTestServer connecting to 127.0.0.1 45681
   [junit4]   2> 573120 INFO  (SUITE-OverseerTest-seed#[BB6AB99A09C79717]-worker) [     ] o.a.s.SolrTestCaseJ4 ------------------------------------------------------- Done waiting for tracked resources to be released
   [junit4]   2> Jun 10, 2020 5:36:49 PM com.carrotsearch.randomizedtesting.ThreadLeakControl checkThreadLeaks
   [junit4]   2> WARNING: Will linger awaiting termination of 1 leaked thread(s).
   [junit4]   2> NOTE: test params are: codec=Asserting(Lucene84): {}, docValues:{}, maxPointsInLeafNode=37, maxMBSortInHeap=7.759908539118387, sim=Asserting(org.apache.lucene.search.similarities.AssertingSimilarity@ab8d742), locale=el, timezone=Etc/GMT+6
   [junit4]   2> NOTE: Linux 4.15.0-54-generic amd64/Oracle Corporation 1.8.0_191 (64-bit)/cpus=4,threads=1,free=167680840,total=524288000
   [junit4]   2> NOTE: All tests run in this JVM: [AddSchemaFieldsUpdateProcessorFactoryTest, BasicZkTest, TestSimpleQParserPlugin, BasicAuthStandaloneTest, HDFSCollectionsAPITest, OverseerModifyCollectionTest, AutoAddReplicasPlanActionTest, ScheduledTriggerIntegrationTest, DistanceFunctionTest, BlockDirectoryTest, TestSolrDeletionPolicy1, TestPayloadScoreQParserPlugin, TestRangeQuery, DOMUtilTest, DocumentBuilderTest, TestHdfsUpdateLog, PrimUtilsTest, UpdateLogTest, TestDistributedMissingSort, TestPostingsSolrHighlighter, DistributedSuggestComponentTest, CurrencyFieldTypeTest, TestFieldCollectionResource, TestLegacyNumericUtils, IndexSizeTriggerMixedBoundsTest, TestSystemCollAutoCreate, TestCharFilters, TestUseDocValuesAsStored2, TestQueryUtils, TestSortableTextField, TestDelegationWithHadoopAuth, TestIBSimilarityFactory, TestMinHashQParser, ReturnFieldsTest, ConfigureRecoveryStrategyTest, TestSolrXml, ExitableDirectoryReaderTest, TestSlowCompositeReaderWrapper, TestCloudSchemaless, ClusterStateTest, OverseerSolrResponseUnsafeSerializationTest, TestLRUCache, TestReloadDeadlock, TestSchemaField, SolrShardReporterTest, TestRandomDVFaceting, TestWriterPerf, TestSort, TestUtilizeNode, UnloadDistributedZkTest, TestCloudPivotFacet, TestGraphMLResponseWriter, TestReversedWildcardFilterFactory, SystemCollectionCompatTest, FuzzySearchTest, BitVectorTest, TestExclusionRuleCollectionAccess, SearchHandlerTest, TestClusterStateMutator, SystemInfoHandlerTest, TestQuerySenderListener, IndexSchemaTest, DistributedQueryComponentOptimizationTest, DocExpirationUpdateProcessorFactoryTest, OverseerTest]
   [junit4] Completed [168/901 (1!)] on J0 in 20.76s, 14 tests, 1 error, 1 skipped <<< FAILURES!

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