You are viewing a plain text version of this content. The canonical link for it is here.
Posted to builds@lucene.apache.org by Policeman Jenkins Server <je...@thetaphi.de> on 2020/06/16 18:21:30 UTC

[JENKINS] Lucene-Solr-master-Windows (64bit/jdk-12.0.2) - Build # 8984 - Unstable!

Build: https://jenkins.thetaphi.de/job/Lucene-Solr-master-Windows/8984/
Java: 64bit/jdk-12.0.2 -XX:-UseCompressedOops -XX:+UseG1GC

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

Error Message:
Captured an uncaught exception in thread: Thread[id=15116, name=OverseerCollectionConfigSetProcessor-72093689740328991-127.0.0.1:59744_solr-n_0000000000, state=RUNNABLE, group=Overseer collection creation process.]

Stack Trace:
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=15116, name=OverseerCollectionConfigSetProcessor-72093689740328991-127.0.0.1:59744_solr-n_0000000000, state=RUNNABLE, group=Overseer collection creation process.]
	at __randomizedtesting.SeedInfo.seed([35B84E9715708BA4:EBEBC9600FE87E55]:0)
Caused by: org.apache.solr.common.AlreadyClosedException
	at __randomizedtesting.SeedInfo.seed([35B84E9715708BA4]:0)
	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:69)
	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:339)
	at org.apache.solr.cloud.OverseerTaskProcessor.amILeader(OverseerTaskProcessor.java:435)
	at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:155)
	at java.base/java.lang.Thread.run(Thread.java:835)




Build Log:
[...truncated 13814 lines...]
   [junit4] Suite: org.apache.solr.cloud.OverseerTest
   [junit4]   2> 1015161 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.SolrTestCase Setting 'solr.default.confdir' system property to test-framework derived value of 'C:\Users\jenkins\workspace\Lucene-Solr-master-Windows\solr\server\solr\configsets\_default\conf'
   [junit4]   2> 1015162 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.SolrTestCaseJ4 Created dataDir: C:\Users\jenkins\workspace\Lucene-Solr-master-Windows\solr\build\solr-core\test\J3\temp\solr.cloud.OverseerTest_35B84E9715708BA4-001\data-dir-142-001
   [junit4]   2> 1015163 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.SolrTestCaseJ4 Using PointFields (NUMERIC_POINTS_SYSPROP=true) w/NUMERIC_DOCVALUES_SYSPROP=true
   [junit4]   2> 1015163 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.SolrTestCaseJ4 Randomized ssl (false) and clientAuth (false) via: @org.apache.solr.util.RandomizeSSL(reason="", value=0.0/0.0, ssl=0.0/0.0, clientAuth=0.0/0.0)
   [junit4]   2> 1015163 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.SolrTestCaseJ4 SecureRandom sanity checks: test.solr.allowed.securerandom=null & java.security.egd=file:/dev/./urandom
   [junit4]   2> 1015163 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 1015163 INFO  (ZkTestServer Run Thread) [     ] o.a.s.c.ZkTestServer client port: 0.0.0.0/0.0.0.0:0
   [junit4]   2> 1015163 INFO  (ZkTestServer Run Thread) [     ] o.a.s.c.ZkTestServer Starting server
   [junit4]   2> 1015264 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.c.ZkTestServer start zk server on port: 59744
   [junit4]   2> 1015264 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.c.ZkTestServer waitForServerUp: 127.0.0.1:59744
   [junit4]   2> 1015264 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:59744
   [junit4]   2> 1015264 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.c.ZkTestServer connecting to 127.0.0.1 59744
   [junit4]   2> 1015268 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1015273 INFO  (zkConnectionManagerCallback-9441-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1015273 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1015277 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1015281 INFO  (zkConnectionManagerCallback-9443-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1015281 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1015281 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.SolrTestCaseJ4 ####initCore
   [junit4]   2> 1015281 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.SolrTestCaseJ4 ####initCore end
   [junit4]   2> 1015293 INFO  (TEST-OverseerTest.testReplay-seed#[35B84E9715708BA4]) [     ] o.a.s.SolrTestCaseJ4 ###Starting testReplay
   [junit4]   2> 1015410 INFO  (TEST-OverseerTest.testReplay-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1015419 INFO  (zkConnectionManagerCallback-9447-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1015419 INFO  (TEST-OverseerTest.testReplay-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1015425 WARN  (TEST-OverseerTest.testReplay-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@5e3c8456[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1015425 WARN  (TEST-OverseerTest.testReplay-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@5e3c8456[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1015426 INFO  (TEST-OverseerTest.testReplay-seed#[35B84E9715708BA4]) [     ] o.a.s.h.c.HttpShardHandlerFactory Host whitelist initialized: WhitelistHostChecker [whitelistHosts=null, whitelistHostCheckingEnabled=true]
   [junit4]   2> 1015427 WARN  (TEST-OverseerTest.testReplay-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@2516ee27[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1015427 WARN  (TEST-OverseerTest.testReplay-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@2516ee27[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1015511 INFO  (TEST-OverseerTest.testReplay-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1015516 INFO  (zkConnectionManagerCallback-9456-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1015516 INFO  (TEST-OverseerTest.testReplay-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1015522 INFO  (TEST-OverseerTest.testReplay-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1015526 INFO  (zkConnectionManagerCallback-9461-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1015526 INFO  (TEST-OverseerTest.testReplay-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1015526 INFO  (TEST-OverseerTest.testReplay-seed#[35B84E9715708BA4]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:59744/solr ready
   [junit4]   2> 1015535 INFO  (TEST-OverseerTest.testReplay-seed#[35B84E9715708BA4]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:59744_solr
   [junit4]   2> 1015535 INFO  (TEST-OverseerTest.testReplay-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Overseer (id=72093689740328962-127.0.0.1:59744_solr-n_0000000000) starting
   [junit4]   2> 1015561 WARN  (TEST-OverseerTest.testReplay-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 1015569 INFO  (OverseerStateUpdate-72093689740328962-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:59744_solr
   [junit4]   2> 1015591 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeCreated path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1015607 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1015615 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1015732 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1016052 INFO  (closeThreadPool-9467-thread-1) [     ] o.a.s.c.Overseer Overseer (id=72093689740328962-127.0.0.1:59744_solr-n_0000000000) closing
   [junit4]   2> 1016052 INFO  (OverseerStateUpdate-72093689740328962-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:59744_solr
   [junit4]   2> 1016052 INFO  (OverseerAutoScalingTriggerThread-72093689740328962-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 1016055 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-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:2131) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:339) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:339) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:398) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:835) [?:?]
   [junit4]   2> 1016143 INFO  (TEST-OverseerTest.testReplay-seed#[35B84E9715708BA4]) [     ] o.a.s.SolrTestCaseJ4 ###Ending testReplay
   [junit4]   2> 1016152 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.SolrTestCaseJ4 ###Starting testOverseerFailure
   [junit4]   2> 1016340 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1016346 INFO  (zkConnectionManagerCallback-9471-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1016346 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1016361 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1016362 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1016363 INFO  (zkCallback-9470-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1016372 INFO  (zkConnectionManagerCallback-9475-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1016372 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1016382 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@4ca91fa5[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1016382 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@4ca91fa5[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1016382 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.h.c.HttpShardHandlerFactory Host whitelist initialized: WhitelistHostChecker [whitelistHosts=null, whitelistHostCheckingEnabled=true]
   [junit4]   2> 1016385 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@12026c8c[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1016385 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@12026c8c[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1016387 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1016392 INFO  (zkConnectionManagerCallback-9484-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1016392 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1016397 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1016451 INFO  (zkConnectionManagerCallback-9489-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1016451 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1016451 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1016456 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:59744/solr ready
   [junit4]   2> 1016462 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:59744_solr
   [junit4]   2> 1016463 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Overseer (id=72093689740328966-127.0.0.1:59744_solr-n_0000000000) starting
   [junit4]   2> 1016477 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 1016482 INFO  (OverseerStateUpdate-72093689740328966-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:59744_solr
   [junit4]   2> 1016489 INFO  (OverseerStateUpdate-72093689740328966-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1016492 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1016495 INFO  (zkConnectionManagerCallback-9498-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1016495 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1016497 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1016498 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:59744/solr ready
   [junit4]   2> 1016605 INFO  (zkCallback-9470-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1016613 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard1
   [junit4]   2> 1016616 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard1/leader after winning as /collections/collection1/leader_elect/shard1/election/72093689740328965-node1_core1-n_0000000000
   [junit4]   2> 1016623 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (collection1) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 1016632 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard1
   [junit4]   2> 1016633 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard1/leader after winning as /collections/collection1/leader_elect/shard1/election/72093689740328965-node1_core1-n_0000000001
   [junit4]   2> 1016636 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (collection1) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 1016740 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1016741 INFO  (zkCallback-9442-thread-2) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1016741 INFO  (zkCallback-9442-thread-3) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1016751 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard1
   [junit4]   2> 1016753 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard1/leader after winning as /collections/collection1/leader_elect/shard1/election/72093689740328965-node1_core1-n_0000000002
   [junit4]   2> 1016858 WARN  (OverseerStateUpdate-72093689740328966-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.Overseer Solr cannot talk to ZK, exiting Overseer main queue loop
   [junit4]   2>           => org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /collections/collection1/state.json
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /collections/collection1/state.json
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:2021) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:315) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:315) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.overseer.ZkStateWriter.writePendingUpdates(ZkStateWriter.java:181) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:324) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:835) [?:?]
   [junit4]   2> 1016858 INFO  (OverseerStateUpdate-72093689740328966-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:59744_solr
   [junit4]   2> 1016860 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1016863 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-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:2131) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:339) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:339) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:398) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:835) [?:?]
   [junit4]   2> 1016863 INFO  (zkConnectionManagerCallback-9500-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1016863 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1016863 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Overseer (id=72093689740328966-127.0.0.1:59744_solr-n_0000000000) closing
   [junit4]   2> 1016863 INFO  (OverseerAutoScalingTriggerThread-72093689740328966-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 1016872 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@58da60e3[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1016872 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@58da60e3[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1016872 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.h.c.HttpShardHandlerFactory Host whitelist initialized: WhitelistHostChecker [whitelistHosts=null, whitelistHostCheckingEnabled=true]
   [junit4]   2> 1016874 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@2ef0ab97[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1016874 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@2ef0ab97[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1016876 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1016879 INFO  (zkConnectionManagerCallback-9509-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1016879 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1016884 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1016886 INFO  (zkConnectionManagerCallback-9514-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1016887 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1016888 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1016888 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:59744/solr ready
   [junit4]   2> 1016892 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:59744_solr
   [junit4]   2> 1016892 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Overseer (id=72093689740328970-127.0.0.1:59744_solr-n_0000000001) starting
   [junit4]   2> 1016895 WARN  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 1016895 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (collection1) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 1016899 INFO  (OverseerStateUpdate-72093689740328970-127.0.0.1:59744_solr-n_0000000001) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:59744_solr
   [junit4]   2> 1016903 INFO  (OverseerStateUpdate-72093689740328970-127.0.0.1:59744_solr-n_0000000001) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1016923 INFO  (zkCallback-9442-thread-2) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1016927 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1016927 INFO  (zkCallback-9442-thread-3) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1017047 INFO  (zkCallback-9442-thread-3) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1017047 INFO  (zkCallback-9442-thread-4) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1017047 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1017047 INFO  (zkCallback-9442-thread-2) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1017050 INFO  (zkCallback-9488-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1017050 INFO  (zkCallback-9499-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1017050 INFO  (zkCallback-9470-thread-2) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1017050 INFO  (zkCallback-9442-thread-3) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1017051 INFO  (zkCallback-9513-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1017051 INFO  (zkCallback-9497-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1017769 INFO  (closeThreadPool-9520-thread-1) [     ] o.a.s.c.Overseer Overseer (id=72093689740328966-127.0.0.1:59744_solr-n_0000000000) closing
   [junit4]   2> 1017769 INFO  (closeThreadPool-9520-thread-2) [     ] o.a.s.c.Overseer Overseer (id=72093689740328970-127.0.0.1:59744_solr-n_0000000001) closing
   [junit4]   2> 1017769 INFO  (OverseerStateUpdate-72093689740328970-127.0.0.1:59744_solr-n_0000000001) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:59744_solr
   [junit4]   2> 1017770 INFO  (OverseerAutoScalingTriggerThread-72093689740328970-127.0.0.1:59744_solr-n_0000000001) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 1017772 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-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:2131) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:339) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:339) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:398) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:835) [?:?]
   [junit4]   2> 1017813 INFO  (TEST-OverseerTest.testOverseerFailure-seed#[35B84E9715708BA4]) [     ] o.a.s.SolrTestCaseJ4 ###Ending testOverseerFailure
   [junit4]   2> 1017819 INFO  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.a.s.SolrTestCaseJ4 ###Starting testExternalClusterStateChangeBehavior
   [junit4]   2> 1017913 INFO  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1017915 INFO  (zkConnectionManagerCallback-9524-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1017915 INFO  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1017918 WARN  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@5481b707[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1017918 WARN  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@5481b707[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1017919 INFO  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.a.s.h.c.HttpShardHandlerFactory Host whitelist initialized: WhitelistHostChecker [whitelistHosts=null, whitelistHostCheckingEnabled=true]
   [junit4]   2> 1017920 WARN  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@10d2b187[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1017920 WARN  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@10d2b187[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1017921 INFO  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1017923 INFO  (zkConnectionManagerCallback-9533-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1017923 INFO  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1017926 INFO  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1017928 INFO  (zkConnectionManagerCallback-9538-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1017928 INFO  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1017930 INFO  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:59744/solr ready
   [junit4]   2> 1017932 INFO  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:59744_solr
   [junit4]   2> 1017933 INFO  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Overseer (id=72093689740328973-127.0.0.1:59744_solr-n_0000000000) starting
   [junit4]   2> 1017939 WARN  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 1017942 INFO  (OverseerStateUpdate-72093689740328973-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:59744_solr
   [junit4]   2> 1017947 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeCreated path:/collections/c1/state.json] for collection [c1] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1017949 INFO  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (c1) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 1018050 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/c1/state.json] for collection [c1] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1018050 INFO  (zkCallback-9442-thread-4) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/c1/state.json] for collection [c1] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1018050 INFO  (zkCallback-9442-thread-2) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/c1/state.json] for collection [c1] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1018155 INFO  (zkCallback-9442-thread-4) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeCreated path:/collections/test/state.json] for collection [test] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1018165 INFO  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (test) shard=x coreNodeName=core_node1
   [junit4]   2> 1018166 INFO  (OverseerStateUpdate-72093689740328973-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.o.SliceMutator createReplica() {
   [junit4]   2>   "operation":"addreplica",
   [junit4]   2>   "collection":"test",
   [junit4]   2>   "shard":"x",
   [junit4]   2>   "base_url":"http://127.0.0.1/solr",
   [junit4]   2>   "core_node_name":"core_node1",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "state":"down"} 
   [junit4]   2> 1018268 ERROR (OverseerStateUpdate-72093689740328973-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.Overseer Exception in Overseer main queue loop
   [junit4]   2>           => org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode = BadVersion for /collections/test/state.json
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:122)
   [junit4]   2> org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode = BadVersion for /collections/test/state.json
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:122) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:2384) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$setData$6(SolrZkClient.java:351) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.setData(SolrZkClient.java:351) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.overseer.ZkStateWriter.writePendingUpdates(ZkStateWriter.java:185) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:324) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:835) [?:?]
   [junit4]   2> 1018274 INFO  (zkCallback-9442-thread-2) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/test/state.json] for collection [test] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1018275 INFO  (OverseerStateUpdate-72093689740328973-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.o.SliceMutator createReplica() {
   [junit4]   2>   "operation":"addreplica",
   [junit4]   2>   "collection":"test",
   [junit4]   2>   "shard":"x",
   [junit4]   2>   "base_url":"http://127.0.0.1/solr",
   [junit4]   2>   "core_node_name":"core_node1",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "state":"down"} 
   [junit4]   2> 1018275 INFO  (zkCallback-9442-thread-2) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/test/state.json] for collection [test] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1018277 INFO  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (c1) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 1018586 INFO  (closeThreadPool-9544-thread-1) [     ] o.a.s.c.Overseer Overseer (id=72093689740328973-127.0.0.1:59744_solr-n_0000000000) closing
   [junit4]   2> 1018586 INFO  (OverseerStateUpdate-72093689740328973-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:59744_solr
   [junit4]   2> 1018586 INFO  (OverseerAutoScalingTriggerThread-72093689740328973-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 1018589 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-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:2131) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:339) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:339) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:398) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:835) [?:?]
   [junit4]   2> 1018649 INFO  (TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[35B84E9715708BA4]) [     ] o.a.s.SolrTestCaseJ4 ###Ending testExternalClusterStateChangeBehavior
   [junit4]   2> 1018657 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.SolrTestCaseJ4 ###Starting testBadQueueItem
   [junit4]   2> 1018803 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1018805 INFO  (zkConnectionManagerCallback-9546-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1018806 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1018810 WARN  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@5b7b9541[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1018810 WARN  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@5b7b9541[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1018811 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.h.c.HttpShardHandlerFactory Host whitelist initialized: WhitelistHostChecker [whitelistHosts=null, whitelistHostCheckingEnabled=true]
   [junit4]   2> 1018811 WARN  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@34c35bdd[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1018811 WARN  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@34c35bdd[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1018811 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1018817 INFO  (zkConnectionManagerCallback-9555-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1018817 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1018823 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1018824 INFO  (zkConnectionManagerCallback-9560-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1018824 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1018827 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:59744/solr ready
   [junit4]   2> 1018831 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:59744_solr
   [junit4]   2> 1018831 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Overseer (id=72093689740328976-127.0.0.1:59744_solr-n_0000000000) starting
   [junit4]   2> 1018843 WARN  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 1018848 INFO  (OverseerStateUpdate-72093689740328976-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:59744_solr
   [junit4]   2> 1018853 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1018862 INFO  (zkConnectionManagerCallback-9567-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1018862 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1018880 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1018887 INFO  (zkCallback-9545-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1018891 INFO  (zkCallback-9566-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1018893 INFO  (zkCallback-9559-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1018896 INFO  (zkCallback-9566-thread-2) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeCreated path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019000 INFO  (zkCallback-9566-thread-2) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019007 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard1
   [junit4]   2> 1019010 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard1/leader after winning as /collections/collection1/leader_elect/shard1/election/72093689740328979-127.0.0.1_core1-n_0000000000
   [junit4]   2> 1019117 INFO  (zkCallback-9566-thread-2) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019117 INFO  (zkCallback-9566-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019120 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard2
   [junit4]   2> 1019122 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard2/leader after winning as /collections/collection1/leader_elect/shard2/election/72093689740328979-127.0.0.1_core2-n_0000000000
   [junit4]   2> 1019230 INFO  (zkCallback-9566-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019230 INFO  (zkCallback-9566-thread-2) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019235 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard3
   [junit4]   2> 1019239 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard3/leader after winning as /collections/collection1/leader_elect/shard3/election/72093689740328979-127.0.0.1_core3-n_0000000000
   [junit4]   2> 1019346 INFO  (zkCallback-9442-thread-2) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019346 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019346 INFO  (zkCallback-9442-thread-4) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019346 INFO  (zkCallback-9442-thread-3) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019351 ERROR (OverseerStateUpdate-72093689740328976-127.0.0.1:59744_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> 1019353 ERROR (OverseerStateUpdate-72093689740328976-127.0.0.1:59744_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> 1019462 INFO  (zkCallback-9566-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeCreated path:/collections/collection2/state.json] for collection [collection2] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019467 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection2/leaders/shard1
   [junit4]   2> 1019469 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection2/leaders/shard1/leader after winning as /collections/collection2/leader_elect/shard1/election/72093689740328979-127.0.0.1_core1-n_0000000000
   [junit4]   2> 1019576 INFO  (zkCallback-9566-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection2/state.json] for collection [collection2] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019576 INFO  (zkCallback-9566-thread-3) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection2/state.json] for collection [collection2] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019579 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection2/leaders/shard2
   [junit4]   2> 1019581 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection2/leaders/shard2/leader after winning as /collections/collection2/leader_elect/shard2/election/72093689740328979-127.0.0.1_core2-n_0000000000
   [junit4]   2> 1019689 INFO  (zkCallback-9566-thread-2) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection2/state.json] for collection [collection2] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019689 INFO  (zkCallback-9566-thread-3) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection2/state.json] for collection [collection2] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019692 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection2/leaders/shard3
   [junit4]   2> 1019695 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection2/leaders/shard3/leader after winning as /collections/collection2/leader_elect/shard3/election/72093689740328979-127.0.0.1_core3-n_0000000000
   [junit4]   2> 1019800 INFO  (zkCallback-9442-thread-4) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection2/state.json] for collection [collection2] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019800 INFO  (zkCallback-9442-thread-3) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection2/state.json] for collection [collection2] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019800 INFO  (zkCallback-9442-thread-2) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection2/state.json] for collection [collection2] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019800 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection2/state.json] for collection [collection2] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1019805 INFO  (zkCallback-9559-thread-2) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1019805 INFO  (zkCallback-9442-thread-4) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1019805 INFO  (zkCallback-9566-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1019805 INFO  (zkCallback-9545-thread-2) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1020218 INFO  (closeThreadPool-9572-thread-1) [     ] o.a.s.c.Overseer Overseer (id=72093689740328976-127.0.0.1:59744_solr-n_0000000000) closing
   [junit4]   2> 1020218 INFO  (OverseerAutoScalingTriggerThread-72093689740328976-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 1020218 INFO  (OverseerStateUpdate-72093689740328976-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:59744_solr
   [junit4]   2> 1020221 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-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:2131) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:339) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:339) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:398) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:835) [?:?]
   [junit4]   2> 1020266 INFO  (TEST-OverseerTest.testBadQueueItem-seed#[35B84E9715708BA4]) [     ] o.a.s.SolrTestCaseJ4 ###Ending testBadQueueItem
   [junit4]   2> 1020273 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.SolrTestCaseJ4 ###Starting testDoubleAssignment
   [junit4]   2> 1020354 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1020357 INFO  (zkConnectionManagerCallback-9576-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1020357 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1020362 INFO  (zkCallback-9442-thread-3) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1020362 INFO  (zkCallback-9575-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1020363 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1020365 INFO  (zkConnectionManagerCallback-9580-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1020365 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1020368 WARN  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@236c08ab[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1020368 WARN  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@236c08ab[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1020368 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.h.c.HttpShardHandlerFactory Host whitelist initialized: WhitelistHostChecker [whitelistHosts=null, whitelistHostCheckingEnabled=true]
   [junit4]   2> 1020369 WARN  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@54bf31ad[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1020369 WARN  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@54bf31ad[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1020371 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1020373 INFO  (zkConnectionManagerCallback-9589-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1020373 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1020375 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1020377 INFO  (zkConnectionManagerCallback-9594-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1020377 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1020379 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1020379 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:59744/solr ready
   [junit4]   2> 1020381 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:59744_solr
   [junit4]   2> 1020382 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Overseer (id=72093689740328981-127.0.0.1:59744_solr-n_0000000000) starting
   [junit4]   2> 1020388 WARN  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 1020390 INFO  (OverseerStateUpdate-72093689740328981-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:59744_solr
   [junit4]   2> 1020391 INFO  (OverseerStateUpdate-72093689740328981-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1020393 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1020396 INFO  (zkConnectionManagerCallback-9603-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1020396 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1020397 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1020398 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:59744/solr ready
   [junit4]   2> 1020502 INFO  (zkCallback-9575-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1020504 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard1
   [junit4]   2> 1020506 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard1/leader after winning as /collections/collection1/leader_elect/shard1/election/72093689740328980-node1_core1-n_0000000000
   [junit4]   2> 1020511 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (collection1) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 1020515 INFO  (zkCallback-9442-thread-3) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1020515 INFO  (zkCallback-9575-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1020515 INFO  (zkCallback-9593-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1020515 INFO  (zkCallback-9579-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1020515 INFO  (zkCallback-9602-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1020617 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1020619 INFO  (zkConnectionManagerCallback-9605-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1020619 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1020624 INFO  (zkCallback-9579-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1020624 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1020624 INFO  (zkCallback-9593-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1020624 INFO  (zkCallback-9602-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1020625 INFO  (zkCallback-9604-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1020628 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard1
   [junit4]   2> 1020629 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard1/leader after winning as /collections/collection1/leader_elect/shard1/election/72093689740328985-node1_core1-n_0000000001
   [junit4]   2> 1020733 WARN  (OverseerStateUpdate-72093689740328981-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.Overseer Solr cannot talk to ZK, exiting Overseer main queue loop
   [junit4]   2>           => org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /collections/collection1/state.json
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /collections/collection1/state.json
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:134) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:2021) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:315) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:315) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.overseer.ZkStateWriter.writePendingUpdates(ZkStateWriter.java:181) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:324) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:835) [?:?]
   [junit4]   2> 1020733 INFO  (OverseerStateUpdate-72093689740328981-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:59744_solr
   [junit4]   2> 1020738 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-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:2131) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:339) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:339) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:398) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:835) [?:?]
   [junit4]   2> 1020740 INFO  (zkCallback-9593-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1020740 INFO  (zkCallback-9604-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1020740 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1020740 INFO  (zkCallback-9602-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1021149 INFO  (closeThreadPool-9609-thread-1) [     ] o.a.s.c.Overseer Overseer (id=72093689740328981-127.0.0.1:59744_solr-n_0000000000) closing
   [junit4]   2> 1021149 INFO  (OverseerAutoScalingTriggerThread-72093689740328981-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 1021183 INFO  (TEST-OverseerTest.testDoubleAssignment-seed#[35B84E9715708BA4]) [     ] o.a.s.SolrTestCaseJ4 ###Ending testDoubleAssignment
   [junit4]   2> 1021189 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.SolrTestCaseJ4 ###Starting testOverseerStatsReset
   [junit4]   2> 1021271 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1021274 INFO  (zkConnectionManagerCallback-9613-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1021274 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1021279 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1021280 INFO  (zkCallback-9612-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1021282 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1021284 INFO  (zkConnectionManagerCallback-9620-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1021284 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1021285 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1021285 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:59744/solr ready
   [junit4]   2> 1021288 WARN  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@556d1709[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1021288 WARN  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@556d1709[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1021288 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.h.c.HttpShardHandlerFactory Host whitelist initialized: WhitelistHostChecker [whitelistHosts=null, whitelistHostCheckingEnabled=true]
   [junit4]   2> 1021289 WARN  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@50dbd049[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1021289 WARN  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@50dbd049[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1021292 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:59744_solr
   [junit4]   2> 1021292 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Overseer (id=72093689740328961-127.0.0.1:59744_solr-n_0000000000) starting
   [junit4]   2> 1021298 WARN  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 1021302 INFO  (OverseerStateUpdate-72093689740328961-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:59744_solr
   [junit4]   2> 1021306 INFO  (zkCallback-9612-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeCreated path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1021411 INFO  (zkCallback-9612-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1021418 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase make sure parent is created /collections/collection1/leaders/shard1
   [junit4]   2> 1021420 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node /collections/collection1/leaders/shard1/leader after winning as /collections/collection1/leader_elect/shard1/election/72093689740328986-node1_core1-n_0000000000
   [junit4]   2> 1021422 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Overseer (id=72093689740328961-127.0.0.1:59744_solr-n_0000000000) closing
   [junit4]   2> 1021423 INFO  (OverseerAutoScalingTriggerThread-72093689740328961-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 1021423 INFO  (OverseerStateUpdate-72093689740328961-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:59744_solr
   [junit4]   2> 1021425 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Overseer (id=72093689740328961-127.0.0.1:59744_solr-n_0000000000) closing
   [junit4]   2> 1021425 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Overseer (id=72093689740328961-127.0.0.1:59744_solr-n_0000000000) closing
   [junit4]   2> 1021426 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Overseer (id=72093689740328961-127.0.0.1:59744_solr-n_0000000000) closing
   [junit4]   2> 1021426 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer I (id=72093689740328961-127.0.0.1:59744_solr-n_0000000000) am exiting, but I'm still the leader
   [junit4]   2> 1021427 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:59744_solr
   [junit4]   2> 1021427 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Overseer (id=72093689740328961-127.0.0.1:59744_solr-n_0000000001) starting
   [junit4]   2> 1021432 WARN  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 1021435 INFO  (zkCallback-9612-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1021435 INFO  (zkCallback-9619-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1021436 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1021438 INFO  (OverseerStateUpdate-72093689740328961-127.0.0.1:59744_solr-n_0000000001) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:59744_solr
   [junit4]   2> 1021640 INFO  (closeThreadPool-9635-thread-1) [     ] o.a.s.c.Overseer Overseer (id=72093689740328961-127.0.0.1:59744_solr-n_0000000001) closing
   [junit4]   2> 1021640 INFO  (OverseerStateUpdate-72093689740328961-127.0.0.1:59744_solr-n_0000000001) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:59744_solr
   [junit4]   2> 1021640 INFO  (OverseerAutoScalingTriggerThread-72093689740328961-127.0.0.1:59744_solr-n_0000000001) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 1021642 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer I (id=72093689740328961-127.0.0.1:59744_solr-n_0000000001) am exiting, but I'm still the leader
   [junit4]   2> 1021676 INFO  (TEST-OverseerTest.testOverseerStatsReset-seed#[35B84E9715708BA4]) [     ] o.a.s.SolrTestCaseJ4 ###Ending testOverseerStatsReset
   [junit4]   2> 1021682 INFO  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.a.s.SolrTestCaseJ4 ###Starting testStateChange
   [junit4]   2> 1021763 INFO  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1021765 INFO  (zkConnectionManagerCallback-9639-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1021765 INFO  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1021768 WARN  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@63a5fb65[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1021768 WARN  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@63a5fb65[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1021768 INFO  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.a.s.h.c.HttpShardHandlerFactory Host whitelist initialized: WhitelistHostChecker [whitelistHosts=null, whitelistHostCheckingEnabled=true]
   [junit4]   2> 1021770 WARN  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config Trusting all certificates configured for Client@27fb16cc[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1021770 WARN  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for Client@27fb16cc[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1021771 INFO  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1021773 INFO  (zkConnectionManagerCallback-9648-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1021773 INFO  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1021775 INFO  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1021777 INFO  (zkConnectionManagerCallback-9653-thread-1) [     ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1021777 INFO  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1021779 INFO  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:59744/solr ready
   [junit4]   2> 1021782 INFO  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:59744_solr
   [junit4]   2> 1021782 INFO  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Overseer (id=72093689740328988-127.0.0.1:59744_solr-n_0000000000) starting
   [junit4]   2> 1021789 WARN  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 1021791 INFO  (OverseerStateUpdate-72093689740328988-127.0.0.1:59744_solr-n_0000000000) [     ] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:59744_solr
   [junit4]   2> 1021794 INFO  (zkCallback-9442-thread-3) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeCreated path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1021794 INFO  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (collection1) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 1021898 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1021898 INFO  (zkCallback-9442-thread-3) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1021898 INFO  (zkCallback-9442-thread-4) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1021899 INFO  (TEST-OverseerTest.testStateChange-seed#[35B84E9715708BA4]) [     ] o.a.s.c.AbstractDistribZkTestBase verifyReplicaStatus (collection1) shard=shard1 coreNodeName=core_node1
   [junit4]   2> 1022002 INFO  (zkCallback-9442-thread-1) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1022002 INFO  (zkCallback-9442-thread-4) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1022002 INFO  (zkCallback-9442-thread-2) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1022002 INFO  (zkCallback-9442-thread-3) [     ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 1022211 INFO  (closeThreadPool-9659-thread-1) [     ] o.a.s.c.Overseer Overseer (id=72093689740328988-127.0.0.1:59744_solr-n_0000000000) closing
   [junit4]   2> 1022211 INFO  (OverseerStateUpdate-72093689740328988-127.0.0.1:59744_solr-n_0000000000) [     ] 

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

 o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection4/state.json] for collection [collection4] has occurred - updating... (live nodes size: [1])
   [junit4]   2> 1030472 INFO  (zkCallback-9953-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1030472 INFO  (zkCallback-9969-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1030472 INFO  (zkCallback-9442-thread-8) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1030472 INFO  (zkCallback-9955-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1030472 INFO  (zkCallback-9938-thread-1) [     ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1031086 INFO  (closeThreadPool-9976-thread-1) [     ] o.a.s.c.Overseer Overseer (id=72093689740329035-127.0.0.1:59744_solr-n_0000000000) closing
   [junit4]   2> 1031086 INFO  (closeThreadPool-9976-thread-2) [     ] o.a.s.c.Overseer Overseer (id=72093689740329040-127.0.0.1:59744_solr-n_0000000001) closing
   [junit4]   2> 1031086 INFO  (OverseerStateUpdate-72093689740329040-127.0.0.1:59744_solr-n_0000000001) [     ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:59744_solr
   [junit4]   2> 1031086 INFO  (OverseerAutoScalingTriggerThread-72093689740329040-127.0.0.1:59744_solr-n_0000000001) [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 1031088 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-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:2131) ~[zookeeper-3.5.7.jar:3.5.7]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:339) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:339) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:398) ~[java/:?]
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:835) [?:?]
   [junit4]   2> 1031139 INFO  (TEST-OverseerTest.testDownNodeFailover-seed#[35B84E9715708BA4]) [     ] o.a.s.SolrTestCaseJ4 ###Ending testDownNodeFailover
   [junit4]   1> / (0)
   [junit4]   1> 
   [junit4]   2> 1031141 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.c.ZkTestServer Shutting down ZkTestServer.
   [junit4]   2> 1031345 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> 	70	/solr/aliases.json
   [junit4]   2> 	70	/solr/clusterprops.json
   [junit4]   2> 	7	/solr/collections/collection1/state.json
   [junit4]   2> 	2	/solr/collections/collection2/state.json
   [junit4]   2> 
   [junit4]   2> Maximum concurrent data watches above limit:
   [junit4]   2> 
   [junit4]   2> 	179	/solr/collections/collection1/state.json
   [junit4]   2> 	20	/solr/autoscaling.json
   [junit4]   2> 	18	/solr/collections/collection2/state.json
   [junit4]   2> 	8	/solr/collections/c1/state.json
   [junit4]   2> 	5	/solr/collections/test/state.json
   [junit4]   2> 	5	/solr/collections/collection0/state.json
   [junit4]   2> 	3	/solr/collections/collection4/state.json
   [junit4]   2> 	2	/solr/collections/collection3/state.json
   [junit4]   2> 
   [junit4]   2> Maximum concurrent children watches above limit:
   [junit4]   2> 
   [junit4]   2> 	277	/solr/live_nodes
   [junit4]   2> 	177	/solr/overseer/queue
   [junit4]   2> 	129	/solr/collections
   [junit4]   2> 	22	/solr/overseer/queue-work
   [junit4]   2> 	20	/solr/autoscaling/events/.scheduled_maintenance
   [junit4]   2> 	20	/solr/autoscaling/events/.auto_add_replicas
   [junit4]   2> 	19	/solr/overseer/collection-queue-work
   [junit4]   2> 
   [junit4]   2> 1031355 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.c.ZkTestServer waitForServerDown: 127.0.0.1:59744
   [junit4]   2> 1031355 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:59744
   [junit4]   2> 1031355 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.c.ZkTestServer connecting to 127.0.0.1 59744
   [junit4]   2> 1033362 INFO  (SUITE-OverseerTest-seed#[35B84E9715708BA4]-worker) [     ] o.a.s.SolrTestCaseJ4 ------------------------------------------------------- Done waiting for tracked resources to be released
   [junit4]   2> NOTE: test params are: codec=FastCompressingStoredFieldsData(storedFieldsFormat=CompressingStoredFieldsFormat(compressionMode=FAST, chunkSize=7, maxDocsPerChunk=4, blockShift=15), termVectorsFormat=CompressingTermVectorsFormat(compressionMode=FAST, chunkSize=7, blockSize=15)), sim=Asserting(org.apache.lucene.search.similarities.AssertingSimilarity@5ade3fd), locale=af, timezone=America/Paramaribo
   [junit4]   2> NOTE: Windows 10 10.0 amd64/AdoptOpenJDK 12.0.2 (64-bit)/cpus=6,threads=1,free=343519464,total=536870912
   [junit4]   2> NOTE: All tests run in this JVM: [TestDelegationWithHadoopAuth, HdfsBasicDistributedZkTest, CollectionTooManyReplicasTest, TestReload, SolrLogPostToolTest, HLLSerializationTest, AddReplicaTest, TestApiFramework, SplitShardTest, TestGroupingSearch, ExternalFileFieldSortTest, SpellCheckCollatorWithCollapseTest, SolrIndexSearcherTest, TestHdfsBackupRestoreCore, DistributedQueryComponentCustomSortTest, DeleteNodeTest, TestTlogReplayVsRecovery, TestCloudJSONFacetSKG, SolrMetricManagerTest, RoutingToNodesWithPropertiesTest, SolrIndexMetricsTest, TestFieldCacheReopen, DOMUtilTest, BasicAuthIntegrationTest, IndexSizeTriggerTest, TestExactSharedStatsCache, TestWaitForStateWithJettyShutdowns, TestReversedWildcardFilterFactory, TestSurroundQueryParser, XCJFQueryTest, OutputWriterTest, ZookeeperStatusHandlerTest, TestPseudoReturnFields, TestBM25SimilarityFactory, CursorPagingTest, TestSolrFieldCacheBean, DirectSolrConnectionTest, RandomizedTaggerTest, TestSolrIndexConfig, LeaderFailureAfterFreshStartTest, TestSmileRequest, TestFaceting, TestExactStatsCacheCloud, CategoryRoutedAliasUpdateProcessorTest, TestRequestStatusCollectionAPI, MultiSolrCloudTestCaseTest, ReplaceNodeNoTargetTest, OverriddenZkACLAndCredentialsProvidersTest, VersionInfoTest, SolrLogAuditLoggerPluginTest, DateRangeFieldTest, NumberUtilsTest, MaxSizeAutoCommitTest, ScheduledTriggerIntegrationTest, TestInPlaceUpdateWithRouteField, FastVectorHighlighterTest, TestDocSet, TestManagedSchema, ChaosMonkeyNothingIsSafeTest, ZkDynamicConfigTest, TestSimPolicyCloud, ResourceLoaderTest, TestBadConfig, ForceLeaderTest, CollectionPropsTest, UniqFieldsUpdateProcessorFactoryTest, XsltUpdateRequestHandlerTest, PeerSyncWithLeaderTest, TestPolicyCloud, TestFieldCollectionResource, TestSegmentSorting, TestSchemaResource, TestCloudPseudoReturnFields, SuggesterFSTTest, TestPrepRecovery, CachingDirectoryFactoryTest, TestSimpleTrackingShardHandler, ZkStateReaderTest, TestNestedUpdateProcessor, TestJavabinTupleStreamParser, TestEmbeddedSolrServerConstructors, HdfsDirectoryFactoryTest, PreAnalyzedUpdateProcessorTest, HdfsUnloadDistributedZkTest, TestPartialUpdateDeduplication, TestLMDirichletSimilarityFactory, TestStressThreadBackup, TestCollapseQParserPlugin, SolrInfoBeanTest, SolrTestCaseJ4Test, TestCrossCoreJoin, TestCursorMarkWithoutUniqueKey, TestDistributedGrouping, TestSolrTestCaseJ4, TestTolerantSearch, TestTrie, PathHierarchyTokenizerFactoryTest, ProtectedTermFilterFactoryTest, ChaosMonkeySafeLeaderTest, ChaosMonkeySafeLeaderWithPullReplicasTest, ConnectionManagerTest, CreateCollectionCleanupTest, DeleteShardTest, DeleteStatusTest, DistribCursorPagingTest, DistribJoinFromCollectionTest, FullSolrCloudDistribCmdsTest, HttpPartitionOnCommitTest, HttpPartitionWithTlogReplicasTest, OverseerModifyCollectionTest, OverseerRolesTest, OverseerTest]
   [junit4] Completed [482/910 (1!)] on J3 in 18.22s, 14 tests, 1 error, 1 skipped <<< FAILURES!

[...truncated 53509 lines...]
[repro] Jenkins log URL: https://jenkins.thetaphi.de/job/Lucene-Solr-master-Windows/8984/consoleText

[repro] Revision: 87a3bef50f8c08404ee8bd66ca868caf5dd072cb

[repro] Ant options: "-Dargs=-XX:-UseCompressedOops -XX:+UseG1GC"

[repro] JUnit rest result XML files will be moved to: ./repro-reports
[repro] ant clean

[...truncated 6 lines...]
[repro] Test suites by module:
[repro]    solr\core
[repro]       OverseerTest
[repro] ant compile-test

[...truncated 2473 lines...]
[repro] ant test-nocompile -Dtests.dups=5 -Dtests.maxfailures=5 -Dtests.class="*.OverseerTest" -Dtests.showOutput=onerror "-Dargs=-XX:-UseCompressedOops -XX:+UseG1GC" -Dtests.seed=35B84E9715708BA4 -Dtests.slow=true -Dtests.locale=af -Dtests.timezone=America/Paramaribo -Dtests.asserts=true -Dtests.file.encoding=UTF-8

[...truncated 142 lines...]
[repro] Failures w/original seeds:
[repro]   0/5 failed: org.apache.solr.cloud.OverseerTest
[repro] Exiting with code 0

[...truncated 78 lines...]