Build: https://jenkins.thetaphi.de/job/Lucene-Solr-8.x-Windows/313/
Java: 64bit/jdk-10.0.1 -XX:+UseCompressedOops -XX:+UseParallelGC

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

Error Message:
Captured an uncaught exception in thread: Thread[id=330, 
name=OverseerCollectionConfigSetProcessor-72079276911755287-127.0.0.1:65339_solr-n_0000000000,
 state=RUNNABLE, group=Overseer collection creation process.]

Stack Trace:
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=330, 
name=OverseerCollectionConfigSetProcessor-72079276911755287-127.0.0.1:65339_solr-n_0000000000,
 state=RUNNABLE, group=Overseer collection creation process.]
        at 
__randomizedtesting.SeedInfo.seed([3223CDF0C003C3F0:EC704A07DA9B3601]:0)
Caused by: org.apache.solr.common.AlreadyClosedException
        at __randomizedtesting.SeedInfo.seed([3223CDF0C003C3F0]:0)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:69)
        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:337)
        at 
org.apache.solr.cloud.OverseerTaskProcessor.amILeader(OverseerTaskProcessor.java:425)
        at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:156)
        at java.base/java.lang.Thread.run(Thread.java:844)


FAILED:  org.apache.solr.cloud.OverseerTest.testOverseerFailure

Error Message:
Test abandoned because suite timeout was reached.

Stack Trace:
java.lang.Exception: Test abandoned because suite timeout was reached.
        at __randomizedtesting.SeedInfo.seed([3223CDF0C003C3F0]:0)


FAILED:  junit.framework.TestSuite.org.apache.solr.cloud.OverseerTest

Error Message:
Suite timeout exceeded (>= 7200000 msec).

Stack Trace:
java.lang.Exception: Suite timeout exceeded (>= 7200000 msec).
        at __randomizedtesting.SeedInfo.seed([3223CDF0C003C3F0]:0)




Build Log:
[...truncated 15733 lines...]
   [junit4] Suite: org.apache.solr.cloud.OverseerTest
   [junit4]   2> Creating dataDir: 
C:\Users\jenkins\workspace\Lucene-Solr-8.x-Windows\solr\build\solr-core\test\J0\temp\solr.cloud.OverseerTest_3223CDF0C003C3F0-001\init-core-data-001
   [junit4]   2> 495902 INFO  
(SUITE-OverseerTest-seed#[3223CDF0C003C3F0]-worker) [     ] 
o.a.s.SolrTestCaseJ4 Using PointFields (NUMERIC_POINTS_SYSPROP=true) 
w/NUMERIC_DOCVALUES_SYSPROP=false
   [junit4]   2> 495904 INFO  
(SUITE-OverseerTest-seed#[3223CDF0C003C3F0]-worker) [     ] 
o.a.s.SolrTestCaseJ4 Randomized ssl (false) and clientAuth (false) via: 
@org.apache.solr.util.RandomizeSSL(reason="", value=0.0/0.0, ssl=0.0/0.0, 
clientAuth=0.0/0.0)
   [junit4]   2> 495904 INFO  
(SUITE-OverseerTest-seed#[3223CDF0C003C3F0]-worker) [     ] 
o.a.s.SolrTestCaseJ4 SecureRandom sanity checks: 
test.solr.allowed.securerandom=null & java.security.egd=file:/dev/./urandom
   [junit4]   2> 495935 INFO  
(SUITE-OverseerTest-seed#[3223CDF0C003C3F0]-worker) [     ] 
o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 495936 INFO  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer client port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 495936 INFO  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer Starting server
   [junit4]   2> 496036 INFO  
(SUITE-OverseerTest-seed#[3223CDF0C003C3F0]-worker) [     ] 
o.a.s.c.ZkTestServer start zk server on port:60995
   [junit4]   2> 496036 INFO  
(SUITE-OverseerTest-seed#[3223CDF0C003C3F0]-worker) [     ] 
o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:60995
   [junit4]   2> 496036 INFO  
(SUITE-OverseerTest-seed#[3223CDF0C003C3F0]-worker) [     ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1 60995
   [junit4]   2> 496039 INFO  
(SUITE-OverseerTest-seed#[3223CDF0C003C3F0]-worker) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 496065 INFO  (zkConnectionManagerCallback-2082-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 496065 INFO  
(SUITE-OverseerTest-seed#[3223CDF0C003C3F0]-worker) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 496067 INFO  
(SUITE-OverseerTest-seed#[3223CDF0C003C3F0]-worker) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 496081 INFO  (zkConnectionManagerCallback-2084-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 496082 INFO  
(SUITE-OverseerTest-seed#[3223CDF0C003C3F0]-worker) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 496082 INFO  
(SUITE-OverseerTest-seed#[3223CDF0C003C3F0]-worker) [     ] 
o.a.s.SolrTestCaseJ4 ####initCore
   [junit4]   2> 496082 INFO  
(SUITE-OverseerTest-seed#[3223CDF0C003C3F0]-worker) [     ] 
o.a.s.SolrTestCaseJ4 ####initCore end
   [junit4]   2> 496094 INFO  
(TEST-OverseerTest.testStateChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.SolrTestCaseJ4 ###Starting testStateChange
   [junit4]   2> 496391 INFO  
(TEST-OverseerTest.testStateChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 496393 INFO  (zkConnectionManagerCallback-2088-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 496393 INFO  
(TEST-OverseerTest.testStateChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 496416 WARN  
(TEST-OverseerTest.testStateChange-seed#[3223CDF0C003C3F0]) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@4a432828[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 496416 WARN  
(TEST-OverseerTest.testStateChange-seed#[3223CDF0C003C3F0]) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@4a432828[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 497895 INFO  
(TEST-OverseerTest.testStateChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 497908 INFO  (zkConnectionManagerCallback-2095-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 497910 INFO  
(TEST-OverseerTest.testStateChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 498248 INFO  
(TEST-OverseerTest.testStateChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 498253 INFO  (zkConnectionManagerCallback-2100-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 498253 INFO  
(TEST-OverseerTest.testStateChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 498284 INFO  
(TEST-OverseerTest.testStateChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:60995/solr ready
   [junit4]   2> 498299 INFO  
(TEST-OverseerTest.testStateChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:60995_solr
   [junit4]   2> 498307 INFO  
(TEST-OverseerTest.testStateChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.Overseer Overseer 
(id=72078715875885058-127.0.0.1:60995_solr-n_0000000000) starting
   [junit4]   2> 498352 INFO  
(OverseerStateUpdate-72078715875885058-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:60995_solr
   [junit4]   2> 498358 WARN  
(TEST-OverseerTest.testStateChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.Overseer Unable to check back-compat of .system collection - can't 
obtain ClusterState.
   [junit4]   2> 498908 INFO  (closeThreadPool-2102-thread-1) [     ] 
o.a.s.c.Overseer Overseer 
(id=72078715875885058-127.0.0.1:60995_solr-n_0000000000) closing
   [junit4]   2> 498908 INFO  
(OverseerAutoScalingTriggerThread-72078715875885058-127.0.0.1:60995_solr-n_0000000000)
 [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 498908 INFO  
(OverseerStateUpdate-72078715875885058-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:60995_solr
   [junit4]   2> 498914 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$5(SolrZkClient.java:337)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:337) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:844) [?:?]
   [junit4]   2> 499031 INFO  
(TEST-OverseerTest.testStateChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.SolrTestCaseJ4 ###Ending testStateChange
   [junit4]   2> 499037 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.SolrTestCaseJ4 ###Starting testDownNodeFailover
   [junit4]   2> 499401 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 499407 INFO  (zkConnectionManagerCallback-2104-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 499407 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 499428 WARN  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@180bc049[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 499428 WARN  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@180bc049[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 499430 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 499442 INFO  (zkConnectionManagerCallback-2111-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 499442 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 499460 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 499467 INFO  (zkConnectionManagerCallback-2116-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 499467 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 499500 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:60995/solr ready
   [junit4]   2> 499515 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:60995_solr
   [junit4]   2> 499522 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.Overseer Overseer 
(id=72078715875885061-127.0.0.1:60995_solr-n_0000000000) starting
   [junit4]   2> 499542 WARN  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.Overseer Unable to check back-compat of .system collection - can't 
obtain ClusterState.
   [junit4]   2> 499550 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 499557 INFO  
(OverseerStateUpdate-72078715875885061-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:60995_solr
   [junit4]   2> 499563 INFO  (zkConnectionManagerCallback-2120-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 499563 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 499595 INFO  (zkCallback-2083-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 499595 INFO  (zkCallback-2103-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 499595 INFO  (zkCallback-2119-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 499598 INFO  (zkCallback-2115-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 499603 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 499608 INFO  (zkConnectionManagerCallback-2127-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 499608 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 499612 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 499615 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:60995/solr ready
   [junit4]   2> 499772 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection0/leaders/shard1
   [junit4]   2> 499779 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection0/leaders/shard1/leader after winning as 
/collections/collection0/leader_elect/shard1/election/72078715875885064-127.0.0.1_core1-n_0000000000
   [junit4]   2> 499960 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 499983 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72078715875885064-127.0.0.1_core1-n_0000000000
   [junit4]   2> 500215 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection2/leaders/shard1
   [junit4]   2> 500219 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection2/leaders/shard1/leader after winning as 
/collections/collection2/leader_elect/shard1/election/72078715875885064-127.0.0.1_core1-n_0000000000
   [junit4]   2> 500366 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection3/leaders/shard1
   [junit4]   2> 500381 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection3/leaders/shard1/leader after winning as 
/collections/collection3/leader_elect/shard1/election/72078715875885064-127.0.0.1_core1-n_0000000000
   [junit4]   2> 500517 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection4/leaders/shard1
   [junit4]   2> 500530 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection4/leaders/shard1/leader after winning as 
/collections/collection4/leader_elect/shard1/election/72078715875885064-127.0.0.1_core1-n_0000000000
   [junit4]   2> 500759 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 500762 INFO  (zkConnectionManagerCallback-2129-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 500762 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 500762 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.Overseer Overseer 
(id=72078715875885061-127.0.0.1:60995_solr-n_0000000000) closing
   [junit4]   2> 500768 INFO  
(OverseerAutoScalingTriggerThread-72078715875885061-127.0.0.1:60995_solr-n_0000000000)
 [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 500768 INFO  
(OverseerStateUpdate-72078715875885061-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:60995_solr
   [junit4]   2> 500807 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$5(SolrZkClient.java:337)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:337) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:844) [?:?]
   [junit4]   2> 500810 WARN  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@3919cbf3[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 500811 WARN  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@3919cbf3[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 500813 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 500820 INFO  (zkConnectionManagerCallback-2136-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 500821 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 500826 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 500835 INFO  (zkConnectionManagerCallback-2141-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 500836 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 500840 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 500843 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:60995/solr ready
   [junit4]   2> 500848 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:60995_solr
   [junit4]   2> 500849 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.Overseer Overseer 
(id=72078715875885066-127.0.0.1:60995_solr-n_0000000001) starting
   [junit4]   2> 500864 WARN  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.Overseer Unable to check back-compat of .system collection - can't 
obtain ClusterState.
   [junit4]   2> 500872 INFO  
(OverseerStateUpdate-72078715875885066-127.0.0.1:60995_solr-n_0000000001) [     
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:60995_solr
   [junit4]   2> 500876 INFO  
(OverseerStateUpdate-72078715875885066-127.0.0.1:60995_solr-n_0000000001) [     
] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 500880 INFO  (zkCallback-2119-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 500880 INFO  (zkCallback-2115-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 500880 INFO  (zkCallback-2126-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 500880 INFO  (zkCallback-2083-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 500882 INFO  (zkCallback-2140-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 500882 INFO  (zkCallback-2128-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 501594 INFO  (closeThreadPool-2143-thread-1) [     ] 
o.a.s.c.Overseer Overseer 
(id=72078715875885061-127.0.0.1:60995_solr-n_0000000000) closing
   [junit4]   2> 501594 INFO  (closeThreadPool-2143-thread-2) [     ] 
o.a.s.c.Overseer Overseer 
(id=72078715875885066-127.0.0.1:60995_solr-n_0000000001) closing
   [junit4]   2> 501594 INFO  
(OverseerAutoScalingTriggerThread-72078715875885066-127.0.0.1:60995_solr-n_0000000001)
 [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 501594 INFO  
(OverseerStateUpdate-72078715875885066-127.0.0.1:60995_solr-n_0000000001) [     
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:60995_solr
   [junit4]   2> 501633 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$5(SolrZkClient.java:337)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:337) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:844) [?:?]
   [junit4]   2> 501748 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.SolrTestCaseJ4 ###Ending testDownNodeFailover
   [junit4]   2> 501758 INFO  
(TEST-OverseerTest.testReplay-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.SolrTestCaseJ4 ###Starting testReplay
   [junit4]   2> 501967 ERROR (Finalizer) [     ] o.a.s.c.CoreContainer 
CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE 
RESOURCE LEAK!!!  instance=41005091
   [junit4]   2> 501967 ERROR (Finalizer) [     ] o.a.s.c.CoreContainer 
CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE 
RESOURCE LEAK!!!  instance=360955953
   [junit4]   2> 502066 INFO  
(TEST-OverseerTest.testReplay-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 502071 INFO  (zkConnectionManagerCallback-2147-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 502076 INFO  
(TEST-OverseerTest.testReplay-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 502091 WARN  
(TEST-OverseerTest.testReplay-seed#[3223CDF0C003C3F0]) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@9477cc0[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 502092 WARN  
(TEST-OverseerTest.testReplay-seed#[3223CDF0C003C3F0]) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@9477cc0[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 502103 INFO  
(TEST-OverseerTest.testReplay-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 502104 INFO  (zkConnectionManagerCallback-2154-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 502105 INFO  
(TEST-OverseerTest.testReplay-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 502107 INFO  
(TEST-OverseerTest.testReplay-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 502121 INFO  (zkConnectionManagerCallback-2159-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 502121 INFO  
(TEST-OverseerTest.testReplay-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 502130 INFO  
(TEST-OverseerTest.testReplay-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:60995/solr ready
   [junit4]   2> 502160 INFO  
(TEST-OverseerTest.testReplay-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:60995_solr
   [junit4]   2> 502164 INFO  
(TEST-OverseerTest.testReplay-seed#[3223CDF0C003C3F0]) [     ] o.a.s.c.Overseer 
Overseer (id=72078715875885069-127.0.0.1:60995_solr-n_0000000000) starting
   [junit4]   2> 502187 WARN  
(TEST-OverseerTest.testReplay-seed#[3223CDF0C003C3F0]) [     ] o.a.s.c.Overseer 
Unable to check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 502187 INFO  
(OverseerStateUpdate-72078715875885069-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:60995_solr
   [junit4]   2> 502705 INFO  (closeThreadPool-2161-thread-1) [     ] 
o.a.s.c.Overseer Overseer 
(id=72078715875885069-127.0.0.1:60995_solr-n_0000000000) closing
   [junit4]   2> 502705 INFO  
(OverseerStateUpdate-72078715875885069-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:60995_solr
   [junit4]   2> 502705 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$5(SolrZkClient.java:337)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:337) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:844) [?:?]
   [junit4]   2> 502734 INFO  
(OverseerAutoScalingTriggerThread-72078715875885069-127.0.0.1:60995_solr-n_0000000000)
 [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 502866 INFO  
(TEST-OverseerTest.testReplay-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.SolrTestCaseJ4 ###Ending testReplay
   [junit4]   2> 502883 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[3223CDF0C003C3F0])
 [     ] o.a.s.SolrTestCaseJ4 ###Starting testExternalClusterStateChangeBehavior
   [junit4]   2> 503130 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[3223CDF0C003C3F0])
 [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 503135 INFO  (zkConnectionManagerCallback-2165-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 503135 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[3223CDF0C003C3F0])
 [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 503141 WARN  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[3223CDF0C003C3F0])
 [     ] o.e.j.u.s.S.config Trusting all certificates configured for 
Client@22b5764[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 503141 WARN  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[3223CDF0C003C3F0])
 [     ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm 
configured for Client@22b5764[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 503150 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[3223CDF0C003C3F0])
 [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 503155 INFO  (zkConnectionManagerCallback-2172-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 503155 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[3223CDF0C003C3F0])
 [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 503163 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[3223CDF0C003C3F0])
 [     ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 503171 INFO  (zkConnectionManagerCallback-2177-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 503171 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[3223CDF0C003C3F0])
 [     ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 503186 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[3223CDF0C003C3F0])
 [     ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 
127.0.0.1:60995/solr ready
   [junit4]   2> 503222 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[3223CDF0C003C3F0])
 [     ] o.a.s.c.OverseerElectionContext I am going to be the leader 
127.0.0.1:60995_solr
   [junit4]   2> 503231 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[3223CDF0C003C3F0])
 [     ] o.a.s.c.Overseer Overseer 
(id=72078715875885072-127.0.0.1:60995_solr-n_0000000000) starting
   [junit4]   2> 503254 WARN  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[3223CDF0C003C3F0])
 [     ] o.a.s.c.Overseer Unable to check back-compat of .system collection - 
can't obtain ClusterState.
   [junit4]   2> 503260 INFO  
(OverseerStateUpdate-72078715875885072-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:60995_solr
   [junit4]   2> 503439 INFO  
(OverseerStateUpdate-72078715875885072-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.o.SliceMutator createReplica() {
   [junit4]   2>   "operation":"addreplica",
   [junit4]   2>   "collection":"test",
   [junit4]   2>   "shard":"x",
   [junit4]   2>   "base_url":"http://127.0.0.1/solr";,
   [junit4]   2>   "core_node_name":"core_node1",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "state":"down"} 
   [junit4]   2> 503541 INFO  (zkCallback-2083-thread-1) [     ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeCreated path:/collections/test/state.json] for 
collection [test] has occurred - updating... (live nodes size: [0])
   [junit4]   2> 503542 ERROR 
(OverseerStateUpdate-72078715875885072-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.Overseer Exception in Overseer main queue loop
   [junit4]   2>           => 
org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode = 
BadVersion for /clusterstate.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:122)
   [junit4]   2> org.apache.zookeeper.KeeperException$BadVersionException: 
KeeperErrorCode = BadVersion for /clusterstate.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:122) 
~[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$6(SolrZkClient.java:349)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.setData(SolrZkClient.java:349) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.overseer.ZkStateWriter.writePendingUpdates(ZkStateWriter.java:220)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:259) 
~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:844) [?:?]
   [junit4]   2> 503557 WARN  
(OverseerStateUpdate-72078715875885072-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.o.ClusterStateMutator Collection test already exists. exit
   [junit4]   2> 503657 WARN  
(OverseerStateUpdate-72078715875885072-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.Overseer Solr cannot talk to ZK, exiting Overseer work queue loop
   [junit4]   2>           => 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue/qn-0000000004
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer/queue/qn-0000000004
   [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$5(SolrZkClient.java:337)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:337) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.removeFirst(ZkDistributedQueue.java:537)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.poll(ZkDistributedQueue.java:211) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:197) 
~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:844) [?:?]
   [junit4]   2> 503657 INFO  
(OverseerStateUpdate-72078715875885072-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:60995_solr
   [junit4]   2> 503777 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$5(SolrZkClient.java:337)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:337) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:844) [?:?]
   [junit4]   2> 503911 INFO  (closeThreadPool-2179-thread-1) [     ] 
o.a.s.c.Overseer Overseer 
(id=72078715875885072-127.0.0.1:60995_solr-n_0000000000) closing
   [junit4]   2> 503912 INFO  
(OverseerAutoScalingTriggerThread-72078715875885072-127.0.0.1:60995_solr-n_0000000000)
 [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 504064 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[3223CDF0C003C3F0])
 [     ] o.a.s.SolrTestCaseJ4 ###Ending testExternalClusterStateChangeBehavior
   [junit4]   2> 504073 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.SolrTestCaseJ4 ###Starting testShardAssignment
   [junit4]   2> 504228 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 504232 INFO  (zkConnectionManagerCallback-2181-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 504232 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 504237 WARN  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@49254fd4[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 504237 WARN  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@49254fd4[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 504239 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 504244 INFO  (zkConnectionManagerCallback-2188-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 504244 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 504248 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 504251 INFO  (zkConnectionManagerCallback-2193-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 504251 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 504254 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:60995/solr ready
   [junit4]   2> 504257 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:60995_solr
   [junit4]   2> 504259 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.Overseer Overseer 
(id=72078715875885075-127.0.0.1:60995_solr-n_0000000000) starting
   [junit4]   2> 504274 WARN  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.Overseer Unable to check back-compat of .system collection - can't 
obtain ClusterState.
   [junit4]   2> 504277 INFO  
(OverseerStateUpdate-72078715875885075-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:60995_solr
   [junit4]   2> 504287 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 504291 INFO  (zkConnectionManagerCallback-2197-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 504291 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 504300 INFO  (zkCallback-2083-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 504301 INFO  (zkCallback-2196-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 504301 INFO  (zkCallback-2192-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 504301 INFO  (zkCallback-2180-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 504412 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 504417 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72078715875885078-127.0.0.1_core1-n_0000000000
   [junit4]   2> 504567 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard2
   [junit4]   2> 504583 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard2/leader after winning as 
/collections/collection1/leader_elect/shard2/election/72078715875885078-127.0.0.1_core2-n_0000000000
   [junit4]   2> 504708 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard3
   [junit4]   2> 504712 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard3/leader after winning as 
/collections/collection1/leader_elect/shard3/election/72078715875885078-127.0.0.1_core3-n_0000000000
   [junit4]   2> 504829 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 504949 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard2
   [junit4]   2> 505080 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard3
   [junit4]   2> 505107 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase No version found for ephemeral leader 
parent node, won't remove previous leader registration.
   [junit4]   2> 505108 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase No version found for ephemeral leader 
parent node, won't remove previous leader registration.
   [junit4]   2> 505108 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase No version found for ephemeral leader 
parent node, won't remove previous leader registration.
   [junit4]   2> 505109 WARN  (zkCallback-2196-thread-1) [     ] 
o.a.s.c.LeaderElector Our node is no longer in line to be leader
   [junit4]   2> 505115 WARN  (zkCallback-2196-thread-1) [     ] 
o.a.s.c.LeaderElector Our node is no longer in line to be leader
   [junit4]   2> 505116 WARN  (zkCallback-2196-thread-1) [     ] 
o.a.s.c.LeaderElector Our node is no longer in line to be leader
   [junit4]   2> 505124 INFO  (zkCallback-2192-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 505124 INFO  (zkCallback-2180-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 505124 INFO  (zkCallback-2196-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 505124 INFO  (zkCallback-2083-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 505573 INFO  (closeThreadPool-2201-thread-1) [     ] 
o.a.s.c.Overseer Overseer 
(id=72078715875885075-127.0.0.1:60995_solr-n_0000000000) closing
   [junit4]   2> 505573 INFO  
(OverseerStateUpdate-72078715875885075-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:60995_solr
   [junit4]   2> 505573 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$5(SolrZkClient.java:337)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:337) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:844) [?:?]
   [junit4]   2> 505580 INFO  
(OverseerAutoScalingTriggerThread-72078715875885075-127.0.0.1:60995_solr-n_0000000000)
 [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 506131 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.SolrTestCaseJ4 ###Ending testShardAssignment
   [junit4]   2> 506151 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.SolrTestCaseJ4 ###Starting testShardLeaderChange
   [junit4]   2> 506472 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 506486 INFO  (zkConnectionManagerCallback-2205-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 506486 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 506492 WARN  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@e002294[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 506492 WARN  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@e002294[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 506495 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 506499 WARN  (Thread-612) [     ] o.e.j.u.s.S.config Trusting 
all certificates configured for 
Client@3f81224b[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 506499 WARN  (Thread-612) [     ] o.e.j.u.s.S.config No Client 
EndPointIdentificationAlgorithm configured for 
Client@3f81224b[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 506504 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 506510 INFO  (zkConnectionManagerCallback-2214-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 506510 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 506517 INFO  (zkConnectionManagerCallback-2217-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 506517 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 506519 WARN  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@3fd902c1[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 506519 WARN  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@3fd902c1[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 506522 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 506523 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 506529 INFO  (zkConnectionManagerCallback-2225-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 506529 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 506537 INFO  (zkConnectionManagerCallback-2229-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 506537 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 506543 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 506544 INFO  (zkConnectionManagerCallback-2234-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 506544 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 506547 INFO  (Thread-612) [     ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:60995/solr ready
   [junit4]   2> 506583 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:60995/solr ready
   [junit4]   2> 506583 INFO  (Thread-612) [     ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:60995_solr
   [junit4]   2> 506596 INFO  (Thread-612) [     ] o.a.s.c.Overseer Overseer 
(id=72078715875885079-127.0.0.1:60995_solr-n_0000000000) starting
   [junit4]   2> 506618 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 506636 INFO  (zkConnectionManagerCallback-2236-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 506636 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 506641 WARN  (Thread-612) [     ] o.a.s.c.Overseer Unable to 
check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 506641 INFO  (Thread-612) [     ] o.a.s.c.OverseerTest Killing 
overseer.
   [junit4]   2> 506655 INFO  (zkCallback-2213-thread-1) [     ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:60995_solr
   [junit4]   2> 506658 INFO  (zkCallback-2213-thread-1) [     ] 
o.a.s.c.Overseer Overseer 
(id=72078715875885080-127.0.0.1:60995_solr-n_0000000001) starting
   [junit4]   2> 506669 WARN  (zkCallback-2213-thread-1) [     ] 
o.a.s.c.Overseer Unable to check back-compat of .system collection - can't 
obtain ClusterState.
   [junit4]   2> 506670 INFO  (zkCallback-2083-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 506670 INFO  (zkCallback-2233-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 506670 INFO  (zkCallback-2235-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 506671 INFO  (zkCallback-2228-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 506673 INFO  
(OverseerStateUpdate-72078715875885080-127.0.0.1:60995_solr-n_0000000001) [     
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:60995_solr
   [junit4]   2> 506677 INFO  
(OverseerStateUpdate-72078715875885080-127.0.0.1:60995_solr-n_0000000001) [     
] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:129)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:824)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:812)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest$MockZKController.createCollection(OverseerTest.java:190)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest.testShardLeaderChange(OverseerTest.java:922)
   [junit4]   2>        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   [junit4]   2>        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   [junit4]   2>        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]   2>        at 
java.base/java.lang.reflect.Method.invoke(Method.java:564)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:2021)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:313)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:313)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:108)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:93)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:127)
   [junit4]   2>        ... 42 more
   [junit4]   2> 506746 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 506747 INFO  
(OverseerStateUpdate-72078715875885079-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.Overseer According to ZK I 
(id=72078715875885079-127.0.0.1:60995_solr-n_0000000000) am no longer a leader. 
propsId=null
   [junit4]   2> 506747 INFO  
(OverseerStateUpdate-72078715875885079-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:60995_solr
   [junit4]   2> 506747 INFO  
(OverseerStateUpdate-72078715875885079-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.Overseer According to ZK I 
(id=72078715875885079-127.0.0.1:60995_solr-n_0000000000) am no longer a leader. 
propsId=null
   [junit4]   2> 506747 INFO  
(OverseerStateUpdate-72078715875885079-127.0.0.1:60995_solr-n_0000000000) [     
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:60995_solr
   [junit4]   2> 506755 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer 
Error communicating with ZooKeeper
   [junit4]   2>           => 
org.apache.zookeeper.KeeperException$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$5(SolrZkClient.java:337)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:337) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:844) [?:?]
   [junit4]   2> 506761 INFO  (zkConnectionManagerCallback-2240-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 506761 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 506761 INFO  (Thread-612) [     ] o.a.s.c.Overseer Overseer 
(id=72078715875885079-127.0.0.1:60995_solr-n_0000000000) closing
   [junit4]   2> 506762 INFO  
(OverseerAutoScalingTriggerThread-72078715875885079-127.0.0.1:60995_solr-n_0000000000)
 [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 506762 INFO  
(OverseerCollectionConfigSetProcessor-72078715875885079-127.0.0.1:60995_solr-n_0000000000)
 [     ] o.a.s.c.OverseerTaskProcessor According to ZK I 
(id=72078715875885079-127.0.0.1:60995_solr-n_0000000000) am no longer a leader. 
propsId=null
   [junit4]   2> 506762 ERROR 
(OverseerCollectionConfigSetProcessor-72078715875885079-127.0.0.1:60995_solr-n_0000000000)
 [     ] o.a.s.c.OverseerTaskProcessor 
:org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode 
= Session expired for /overseer/collection-queue-work
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:2589)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getChildren$4(SolrZkClient.java:325)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.fetchZkChildren(ZkDistributedQueue.java:415)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTaskQueue.getTailId(OverseerTaskQueue.java:274)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:170)
   [junit4]   2>        at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]   2> 
   [junit4]   2> 506776 WARN  (Thread-612) [     ] o.e.j.u.s.S.config Trusting 
all certificates configured for 
Client@1441a96d[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 506776 WARN  (Thread-612) [     ] o.e.j.u.s.S.config No Client 
EndPointIdentificationAlgorithm configured for 
Client@1441a96d[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 506779 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 506782 INFO  (zkConnectionManagerCallback-2247-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 506782 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 506788 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 506791 INFO  (zkConnectionManagerCallback-2252-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 506791 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 506795 INFO  (Thread-612) [     ] o.a.s.c.c.ZkStateReader 
Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 506799 INFO  (Thread-612) [     ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:60995/solr ready
   [junit4]   2> 506892 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 506899 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72078715875885085-node1_core1-n_0000000000
   [junit4]   2> 507056 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 507062 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72078715875885085-node1_core1-n_0000000001
   [junit4]   2> 507068 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 507075 INFO  (zkConnectionManagerCallback-2254-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 507075 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 507131 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 507142 INFO  (zkCallback-2235-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 507142 INFO  (zkCallback-2233-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 507142 INFO  (zkCallback-2228-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 507142 INFO  (zkCallback-2213-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 507142 INFO  (zkCallback-2251-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 507142 INFO  (zkCallback-2083-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 507154 INFO  (zkCallback-2253-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 507236 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 507243 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72078715875885085-node1_core1-n_0000000002
   [junit4]   2> 507392 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 507396 INFO  (zkCallback-2253-thread-1) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72078715875885089-node2_core4-n_0000000003
   [junit4]   2> 507412 INFO  (zkCallback-2233-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 507412 INFO  (zkCallback-2235-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 507413 INFO  (zkCallback-2213-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 507414 INFO  (zkCallback-2083-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 507414 INFO  (zkCallback-2251-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 507414 INFO  (zkCallback-2228-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 507414 INFO  (zkCallback-2253-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 507519 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 507536 INFO  (zkConnectionManagerCallback-2258-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 507536 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 507542 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 507555 INFO  (zkConnectionManagerCallback-2263-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 507556 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 507567 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 507596 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:60995/solr ready
   [junit4]   2> 507603 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 507609 INFO  (zkConnectionManagerCallback-2265-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 507609 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 507620 INFO  (Thread-612) [     ] o.a.s.c.OverseerTest Killing 
overseer.
   [junit4]   2> 507733 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 507737 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 507741 INFO  (zkConnectionManagerCallback-2267-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 507741 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 507741 INFO  (Thread-612) [     ] o.a.s.c.Overseer Overseer 
(id=72078715875885079-127.0.0.1:60995_solr-n_0000000000) closing
   [junit4]   2> 507748 WARN  (Thread-612) [     ] o.e.j.u.s.S.config Trusting 
all certificates configured for 
Client@53107ae9[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 507748 WARN  (Thread-612) [     ] o.e.j.u.s.S.config No Client 
EndPointIdentificationAlgorithm configured for 
Client@53107ae9[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 507753 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 507754 INFO  (zkCallback-2228-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 507754 INFO  (zkCallback-2233-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 507754 INFO  (zkCallback-2213-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 507754 INFO  (zkCallback-2083-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 507754 INFO  (zkCallback-2251-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 507754 INFO  (zkCallback-2253-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 507759 INFO  (zkCallback-2262-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 507762 INFO  (zkCallback-2264-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 507763 WARN  
(OverseerStateUpdate-72078715875885080-127.0.0.1:60995_solr-n_0000000001) [     
] o.a.s.c.o.ClusterStateMutator Collection collection1 already exists. exit
   [junit4]   2> 507767 INFO  (zkConnectionManagerCallback-2276-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 507767 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 507771 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 507773 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 507779 INFO  (zkCallback-2264-thread-1) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72078715875885092-node1_core1-n_0000000004
   [junit4]   2> 507787 INFO  (zkCallback-2213-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 507787 INFO  (zkCallback-2228-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 507787 INFO  (zkCallback-2233-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 507787 INFO  (zkCallback-2262-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 507787 INFO  (zkCallback-2251-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 507787 INFO  (zkCallback-2083-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 507787 INFO  (zkCallback-2253-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 507799 INFO  (zkConnectionManagerCallback-2281-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 507799 INFO  (Thread-612) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 507892 INFO  (zkCallback-2264-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 507906 INFO  (Thread-612) [     ] o.a.s.c.c.ZkStateReader 
Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 507909 INFO  (Thread-612) [     ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:60995/solr ready
   [junit4]   2> 508031 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 508068 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72078715875885092-node1_core1-n_0000000005
   [junit4]   2> 508076 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 508089 INFO  (zkConnectionManagerCallback-2283-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 508089 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 508104 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 508112 INFO  (zkCallback-2233-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 508112 INFO  (zkCallback-2264-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 508112 INFO  (zkCallback-2213-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 508112 INFO  (zkCallback-2228-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 508112 INFO  (zkCallback-2083-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 508112 INFO  (zkCallback-2262-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 508112 INFO  (zkCallback-2280-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 508112 INFO  (zkCallback-2251-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 508115 INFO  (zkCallback-2282-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 508118 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 508121 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72078715875885092-node1_core1-n_0000000006
   [junit4]   2> 508130 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 508168 INFO  (zkCallback-2282-thread-1) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72078715875885096-node2_core4-n_0000000007
   [junit4]   2> 508171 INFO  (zkCallback-2262-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 508171 INFO  (zkCallback-2213-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 508171 INFO  (zkCallback-2083-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 508172 INFO  (zkCallback-2233-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 508172 INFO  (zkCallback-2228-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 508185 INFO  (zkCallback-2282-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 508282 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
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] o.a.s.c.c.ConnectionManager zkClient has connected
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(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 508313 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
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] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 508318 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 508321 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 508327 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:60995/solr ready
   [junit4]   2> 508336 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
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] o.a.s.c.c.ConnectionManager zkClient has connected
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(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 508351 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 508391 WARN  
(OverseerStateUpdate-72078715875885080-127.0.0.1:60995_solr-n_0000000001) [     
] o.a.s.c.o.ClusterStateMutator Collection collection1 already exists. exit
   [junit4]   2> 508408 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 508417 INFO  (zkCallback-2293-thread-1) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72078715875885099-node1_core1-n_0000000008
   [junit4]   2> 508433 INFO  (zkCallback-2213-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 508433 INFO  (zkCallback-2233-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 508433 INFO  (zkCallback-2228-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 508433 INFO  (zkCallback-2262-thread-1) [     ] o.a

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

-127.0.0.1:65339_solr-n_0000000000) [     ] o.a.s.c.Overseer Overseer Loop 
exiting : 127.0.0.1:65339_solr
   [junit4]   2> 41757 INFO  
(OverseerAutoScalingTriggerThread-72079276911755265-127.0.0.1:65339_solr-n_0000000000)
 [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 41764 ERROR (Finalizer) [     ] o.a.s.c.CoreContainer 
CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE 
RESOURCE LEAK!!!  instance=330540731
   [junit4]   2> 41764 ERROR (Finalizer) [     ] o.a.s.c.CoreContainer 
CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE 
RESOURCE LEAK!!!  instance=1990546716
   [junit4]   2> 41765 ERROR (Finalizer) [     ] o.a.s.c.CoreContainer 
CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE 
RESOURCE LEAK!!!  instance=1712345483
   [junit4]   2> 41765 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.Overseer Overseer 
(id=72079276911755265-127.0.0.1:65339_solr-n_0000000000) closing
   [junit4]   2> 41766 ERROR (Finalizer) [     ] o.a.s.c.CoreContainer 
CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE 
RESOURCE LEAK!!!  instance=861415790
   [junit4]   2> 41766 ERROR (Finalizer) [     ] o.a.s.c.CoreContainer 
CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE 
RESOURCE LEAK!!!  instance=1028704192
   [junit4]   2> 41767 ERROR (Finalizer) [     ] o.a.s.c.CoreContainer 
CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE 
RESOURCE LEAK!!!  instance=1627486403
   [junit4]   2> 41767 ERROR (Finalizer) [     ] o.a.s.c.CoreContainer 
CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE 
RESOURCE LEAK!!!  instance=100262241
   [junit4]   2> 41767 ERROR (Finalizer) [     ] o.a.s.c.CoreContainer 
CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE 
RESOURCE LEAK!!!  instance=2006494185
   [junit4]   2> 41767 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.Overseer Overseer 
(id=72079276911755265-127.0.0.1:65339_solr-n_0000000000) closing
   [junit4]   2> 41767 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer I 
(id=72079276911755265-127.0.0.1:65339_solr-n_0000000000) am exiting, but I'm 
still the leader
   [junit4]   2> 41768 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.Overseer Overseer 
(id=72079276911755265-127.0.0.1:65339_solr-n_0000000000) closing
   [junit4]   2> 41769 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:65339_solr
   [junit4]   2> 41770 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.Overseer Overseer 
(id=72079276911755265-127.0.0.1:65339_solr-n_0000000001) starting
   [junit4]   2> 41775 WARN  
(TEST-OverseerTest.testOverseerStatsReset-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.c.Overseer Unable to check back-compat of .system collection - can't 
obtain ClusterState.
   [junit4]   2> 41779 INFO  (zkCallback-444-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 41779 INFO  (zkCallback-437-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 41779 INFO  (zkCallback-4-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 41781 INFO  
(OverseerStateUpdate-72079276911755265-127.0.0.1:65339_solr-n_0000000001) [     
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:65339_solr
   [junit4]   2> 41984 INFO  (closeThreadPool-450-thread-1) [     ] 
o.a.s.c.Overseer Overseer 
(id=72079276911755265-127.0.0.1:65339_solr-n_0000000001) closing
   [junit4]   2> 41984 INFO  
(OverseerStateUpdate-72079276911755265-127.0.0.1:65339_solr-n_0000000001) [     
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:65339_solr
   [junit4]   2> 41985 INFO  
(OverseerAutoScalingTriggerThread-72079276911755265-127.0.0.1:65339_solr-n_0000000001)
 [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 41990 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer I 
(id=72079276911755265-127.0.0.1:65339_solr-n_0000000001) am exiting, but I'm 
still the leader
   [junit4]   2> 42104 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[3223CDF0C003C3F0]) [     ] 
o.a.s.SolrTestCaseJ4 ###Ending testOverseerStatsReset
   [junit4] OK      0.71s J0 | OverseerTest.testOverseerStatsReset
   [junit4]   1> / (0)
   [junit4]   1> 
   [junit4]   2> 42107 INFO  
(SUITE-OverseerTest-seed#[3223CDF0C003C3F0]-worker) [     ] 
o.a.s.c.ZkTestServer Shutting down ZkTestServer.
   [junit4]   2> 42317 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>        78      /solr/collections/collection1/state.json
   [junit4]   2>        74      /solr/aliases.json
   [junit4]   2>        74      /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>        416     /solr/clusterstate.json
   [junit4]   2>        20      /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>        346     /solr/live_nodes
   [junit4]   2>        154     /solr/overseer/queue
   [junit4]   2>        133     /solr/collections
   [junit4]   2>        22      /solr/overseer/queue-work
   [junit4]   2>        20      /solr/autoscaling/events/.scheduled_maintenance
   [junit4]   2>        20      /solr/autoscaling/events/.auto_add_replicas
   [junit4]   2>        19      /solr/overseer/collection-queue-work
   [junit4]   2> 
   [junit4]   2> 42343 INFO  
(SUITE-OverseerTest-seed#[3223CDF0C003C3F0]-worker) [     ] 
o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:65339
   [junit4]   2> 42343 INFO  
(SUITE-OverseerTest-seed#[3223CDF0C003C3F0]-worker) [     ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1 65339
   [junit4]   2> 43350 INFO  
(SUITE-OverseerTest-seed#[3223CDF0C003C3F0]-worker) [     ] 
o.a.s.SolrTestCaseJ4 ------------------------------------------------------- 
Done waiting for tracked resources to be released
   [junit4]   2> NOTE: test params are: codec=Asserting(Lucene80): {}, 
docValues:{}, maxPointsInLeafNode=1634, maxMBSortInHeap=5.705749427932799, 
sim=Asserting(org.apache.lucene.search.similarities.AssertingSimilarity@37172d51),
 locale=ewo, timezone=Africa/Bamako
   [junit4]   2> NOTE: Windows 10 10.0 amd64/Oracle Corporation 10.0.1 
(64-bit)/cpus=3,threads=2,free=153113736,total=229638144
   [junit4]   2> NOTE: All tests run in this JVM: [OverseerTest]
   [junit4] Completed [2/5 (1!)] on J0 in 42.30s, 14 tests, 1 error, 1 skipped 
<<< FAILURES!

[...truncated 58 lines...]
BUILD FAILED
C:\Users\jenkins\workspace\Lucene-Solr-8.x-Windows\lucene\common-build.xml:1572:
 The following error occurred while executing this line:
C:\Users\jenkins\workspace\Lucene-Solr-8.x-Windows\lucene\common-build.xml:1099:
 There were test failures: 5 suites, 70 tests, 1 error, 5 ignored [seed: 
3223CDF0C003C3F0]

Total time: 1 minute 44 seconds

[repro] Setting last failure code to 1

[repro] Failures:
[repro]   1/5 failed: org.apache.solr.cloud.OverseerTest
[repro] Exiting with code 1

C:\Users\jenkins\workspace\Lucene-Solr-8.x-Windows>IF EXIST lucene\build move 
/y lucene\build lucene\build.repro 
        1 dir(s) moved.

C:\Users\jenkins\workspace\Lucene-Solr-8.x-Windows>IF EXIST solr\build move /y 
solr\build solr\build.repro 
        1 dir(s) moved.

C:\Users\jenkins\workspace\Lucene-Solr-8.x-Windows>IF EXIST lucene\build.orig 
move /y lucene\build.orig lucene\build 
        1 dir(s) moved.

C:\Users\jenkins\workspace\Lucene-Solr-8.x-Windows>IF EXIST solr\build.orig 
move /y solr\build.orig solr\build 
        1 dir(s) moved.

C:\Users\jenkins\workspace\Lucene-Solr-8.x-Windows>exit 0 
Archiving artifacts
Setting 
ANT_1_8_2_HOME=C:\Users\jenkins\tools\hudson.tasks.Ant_AntInstallation\ANT_1.8.2
[WARNINGS] Parsing warnings in console log with parser Java Compiler (javac)
Setting 
ANT_1_8_2_HOME=C:\Users\jenkins\tools\hudson.tasks.Ant_AntInstallation\ANT_1.8.2
No credentials specified
Setting 
ANT_1_8_2_HOME=C:\Users\jenkins\tools\hudson.tasks.Ant_AntInstallation\ANT_1.8.2
<Git Blamer> Using GitBlamer to create author and commit information for all 
warnings.
<Git Blamer> GIT_COMMIT=d58b8b759010bc26d58dadaddfa8f53d38d8becb, 
workspace=C:\Users\jenkins\workspace\Lucene-Solr-8.x-Windows
[WARNINGS] Computing warning deltas based on reference build #312
Recording test results
Setting 
ANT_1_8_2_HOME=C:\Users\jenkins\tools\hudson.tasks.Ant_AntInstallation\ANT_1.8.2
Build step 'Publish JUnit test result report' changed build result to UNSTABLE
Email was triggered for: Unstable (Test Failures)
Sending email for trigger: Unstable (Test Failures)
Setting 
ANT_1_8_2_HOME=C:\Users\jenkins\tools\hudson.tasks.Ant_AntInstallation\ANT_1.8.2
Setting 
ANT_1_8_2_HOME=C:\Users\jenkins\tools\hudson.tasks.Ant_AntInstallation\ANT_1.8.2
Setting 
ANT_1_8_2_HOME=C:\Users\jenkins\tools\hudson.tasks.Ant_AntInstallation\ANT_1.8.2
Setting 
ANT_1_8_2_HOME=C:\Users\jenkins\tools\hudson.tasks.Ant_AntInstallation\ANT_1.8.2
Setting 
ANT_1_8_2_HOME=C:\Users\jenkins\tools\hudson.tasks.Ant_AntInstallation\ANT_1.8.2
Setting 
ANT_1_8_2_HOME=C:\Users\jenkins\tools\hudson.tasks.Ant_AntInstallation\ANT_1.8.2
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