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Posted to builds@lucene.apache.org by Apache Jenkins Server <je...@builds.apache.org> on 2020/06/10 18:33:06 UTC

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

Build: https://builds.apache.org/job/Lucene-Solr-Tests-8.5/304/

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

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

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




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

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

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

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