Build: https://builds.apache.org/job/Lucene-Solr-Tests-7.x/1247/

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

Error Message:
Captured an uncaught exception in thread: Thread[id=5610, 
name=OverseerCollectionConfigSetProcessor-72839075141320753-127.0.0.1:40895_solr-n_0000000000,
 state=RUNNABLE, group=Overseer collection creation process.]

Stack Trace:
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=5610, 
name=OverseerCollectionConfigSetProcessor-72839075141320753-127.0.0.1:40895_solr-n_0000000000,
 state=RUNNABLE, group=Overseer collection creation process.]
        at 
__randomizedtesting.SeedInfo.seed([2937C832ED9CA002:F7644FC5F70455F3]:0)
Caused by: org.apache.solr.common.AlreadyClosedException
        at __randomizedtesting.SeedInfo.seed([2937C832ED9CA002]:0)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:69)
        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:358)
        at 
org.apache.solr.cloud.OverseerTaskProcessor.amILeader(OverseerTaskProcessor.java:416)
        at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:156)
        at java.lang.Thread.run(Thread.java:748)


FAILED:  
junit.framework.TestSuite.org.apache.solr.legacy.TestNumericRangeQuery32

Error Message:
The test or suite printed 8424 bytes to stdout and stderr, even though the 
limit was set to 8192 bytes. Increase the limit with @Limit, ignore it 
completely with @SuppressSysoutChecks or run with -Dtests.verbose=true

Stack Trace:
java.lang.AssertionError: The test or suite printed 8424 bytes to stdout and 
stderr, even though the limit was set to 8192 bytes. Increase the limit with 
@Limit, ignore it completely with @SuppressSysoutChecks or run with 
-Dtests.verbose=true
        at __randomizedtesting.SeedInfo.seed([2937C832ED9CA002]:0)
        at 
org.apache.lucene.util.TestRuleLimitSysouts.afterIfSuccessful(TestRuleLimitSysouts.java:211)
        at 
com.carrotsearch.randomizedtesting.rules.TestRuleAdapter$1.afterIfSuccessful(TestRuleAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:37)
        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.lang.Thread.run(Thread.java:748)




Build Log:
[...truncated 13038 lines...]
   [junit4] Suite: org.apache.solr.cloud.OverseerTest
   [junit4]   2> 354379 INFO  
(SUITE-OverseerTest-seed#[2937C832ED9CA002]-worker) [    ] o.a.s.SolrTestCaseJ4 
SecureRandom sanity checks: test.solr.allowed.securerandom=null & 
java.security.egd=file:/dev/./urandom
   [junit4]   2> Creating dataDir: 
/x1/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-7.x/solr/build/solr-core/test/J2/temp/solr.cloud.OverseerTest_2937C832ED9CA002-001/init-core-data-001
   [junit4]   2> 354380 WARN  
(SUITE-OverseerTest-seed#[2937C832ED9CA002]-worker) [    ] o.a.s.SolrTestCaseJ4 
startTrackingSearchers: numOpens=13 numCloses=13
   [junit4]   2> 354380 INFO  
(SUITE-OverseerTest-seed#[2937C832ED9CA002]-worker) [    ] o.a.s.SolrTestCaseJ4 
Using PointFields (NUMERIC_POINTS_SYSPROP=true) 
w/NUMERIC_DOCVALUES_SYSPROP=false
   [junit4]   2> 354382 INFO  
(SUITE-OverseerTest-seed#[2937C832ED9CA002]-worker) [    ] o.a.s.SolrTestCaseJ4 
Randomized ssl (false) and clientAuth (true) via: 
@org.apache.solr.util.RandomizeSSL(reason=, ssl=NaN, value=NaN, clientAuth=NaN)
   [junit4]   2> 354383 INFO  
(SUITE-OverseerTest-seed#[2937C832ED9CA002]-worker) [    ] o.a.s.c.ZkTestServer 
STARTING ZK TEST SERVER
   [junit4]   2> 354383 INFO  (ZkTestServer Run Thread) [    ] 
o.a.s.c.ZkTestServer client port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 354383 INFO  (ZkTestServer Run Thread) [    ] 
o.a.s.c.ZkTestServer Starting server
   [junit4]   2> 354483 INFO  
(SUITE-OverseerTest-seed#[2937C832ED9CA002]-worker) [    ] o.a.s.c.ZkTestServer 
start zk server on port:40895
   [junit4]   2> 354483 INFO  
(SUITE-OverseerTest-seed#[2937C832ED9CA002]-worker) [    ] o.a.s.c.ZkTestServer 
parse host and port list: 127.0.0.1:40895
   [junit4]   2> 354483 INFO  
(SUITE-OverseerTest-seed#[2937C832ED9CA002]-worker) [    ] o.a.s.c.ZkTestServer 
connecting to 127.0.0.1 40895
   [junit4]   2> 354488 INFO  (zkConnectionManagerCallback-1424-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 354491 INFO  (zkConnectionManagerCallback-1426-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 354491 INFO  
(SUITE-OverseerTest-seed#[2937C832ED9CA002]-worker) [    ] o.a.s.SolrTestCaseJ4 
####initCore
   [junit4]   2> 354491 INFO  
(SUITE-OverseerTest-seed#[2937C832ED9CA002]-worker) [    ] o.a.s.SolrTestCaseJ4 
####initCore end
   [junit4]   2> 354500 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[2937C832ED9CA002])
 [    ] o.a.s.SolrTestCaseJ4 ###Starting testExternalClusterStateChangeBehavior
   [junit4]   2> 354577 INFO  (zkConnectionManagerCallback-1430-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 354589 INFO  (zkConnectionManagerCallback-1436-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 354597 INFO  (zkConnectionManagerCallback-1441-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 354599 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[2937C832ED9CA002])
 [    ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 
127.0.0.1:40895/solr ready
   [junit4]   2> 354603 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[2937C832ED9CA002])
 [    ] o.a.s.c.OverseerElectionContext I am going to be the leader 
127.0.0.1:40895_solr
   [junit4]   2> 354604 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[2937C832ED9CA002])
 [    ] o.a.s.c.Overseer Overseer 
(id=72839075141320706-127.0.0.1:40895_solr-n_0000000000) starting
   [junit4]   2> 354613 INFO  
(OverseerStateUpdate-72839075141320706-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:40895_solr
   [junit4]   2> 354732 INFO  
(OverseerStateUpdate-72839075141320706-127.0.0.1:40895_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> 354834 INFO  (zkCallback-1425-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> 354834 ERROR 
(OverseerStateUpdate-72839075141320706-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.Overseer Exception in Overseer main queue loop
   [junit4]   2> org.apache.zookeeper.KeeperException$BadVersionException: 
KeeperErrorCode = BadVersion for /clusterstate.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:118) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1336) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$setData$6(SolrZkClient.java:370)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.setData(SolrZkClient.java:370) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.overseer.ZkStateWriter.writePendingUpdates(ZkStateWriter.java:220)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:247) 
[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 354848 WARN  
(OverseerStateUpdate-72839075141320706-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.o.ClusterStateMutator Collection test already exists. exit
   [junit4]   2> 354849 ERROR 
(OverseerStateUpdate-72839075141320706-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.o.CollectionMutator Unable to create Shard: x because it already 
exists in collection: test
   [junit4]   2> 354850 INFO  
(OverseerStateUpdate-72839075141320706-127.0.0.1:40895_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> 354861 INFO  (closeThreadPool-1443-thread-1) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320706-127.0.0.1:40895_solr-n_0000000000) closing
   [junit4]   2> 354861 INFO  
(OverseerStateUpdate-72839075141320706-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:40895_solr
   [junit4]   2> 354862 INFO  
(OverseerAutoScalingTriggerThread-72839075141320706-127.0.0.1:40895_solr-n_0000000000)
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 354867 WARN  (OverseerExitThread) [    ] o.a.s.c.Overseer 
Error communicating with ZooKeeper
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1221) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:358)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:358) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:319)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 354908 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[2937C832ED9CA002])
 [    ] o.a.s.SolrTestCaseJ4 ###Ending testExternalClusterStateChangeBehavior
   [junit4]   2> 354915 INFO  
(TEST-OverseerTest.testStateChange-seed#[2937C832ED9CA002]) [    ] 
o.a.s.SolrTestCaseJ4 ###Starting testStateChange
   [junit4]   2> 355011 INFO  (zkConnectionManagerCallback-1447-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 355016 INFO  (zkConnectionManagerCallback-1453-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 355020 INFO  (zkConnectionManagerCallback-1458-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 355024 INFO  
(TEST-OverseerTest.testStateChange-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:40895/solr ready
   [junit4]   2> 355027 INFO  
(TEST-OverseerTest.testStateChange-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:40895_solr
   [junit4]   2> 355033 INFO  
(TEST-OverseerTest.testStateChange-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320709-127.0.0.1:40895_solr-n_0000000000) starting
   [junit4]   2> 355056 INFO  
(OverseerStateUpdate-72839075141320709-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:40895_solr
   [junit4]   2> 355300 INFO  (closeThreadPool-1460-thread-1) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320709-127.0.0.1:40895_solr-n_0000000000) closing
   [junit4]   2> 355300 INFO  
(OverseerStateUpdate-72839075141320709-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:40895_solr
   [junit4]   2> 355300 INFO  
(OverseerAutoScalingTriggerThread-72839075141320709-127.0.0.1:40895_solr-n_0000000000)
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 355314 WARN  (OverseerExitThread) [    ] o.a.s.c.Overseer 
Error communicating with ZooKeeper
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1221) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:358)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:358) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:319)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 355363 INFO  
(TEST-OverseerTest.testStateChange-seed#[2937C832ED9CA002]) [    ] 
o.a.s.SolrTestCaseJ4 ###Ending testStateChange
   [junit4]   2> 355376 INFO  
(TEST-OverseerTest.testReplay-seed#[2937C832ED9CA002]) [    ] 
o.a.s.SolrTestCaseJ4 ###Starting testReplay
   [junit4]   2> 355487 INFO  (zkConnectionManagerCallback-1464-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 355500 INFO  (zkConnectionManagerCallback-1470-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 355518 INFO  (zkConnectionManagerCallback-1475-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 355528 INFO  
(TEST-OverseerTest.testReplay-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:40895/solr ready
   [junit4]   2> 355530 INFO  
(TEST-OverseerTest.testReplay-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:40895_solr
   [junit4]   2> 355531 INFO  
(TEST-OverseerTest.testReplay-seed#[2937C832ED9CA002]) [    ] o.a.s.c.Overseer 
Overseer (id=72839075141320712-127.0.0.1:40895_solr-n_0000000000) starting
   [junit4]   2> 355556 INFO  
(OverseerStateUpdate-72839075141320712-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:40895_solr
   [junit4]   2> 355706 WARN  (NIOServerCxn.Factory:0.0.0.0/0.0.0.0:0) [    ] 
o.a.z.s.NIOServerCnxn Unable to read additional data from client sessionid 
0x102c6c0bf91000a, likely client has closed socket
   [junit4]   2> 355707 INFO  (closeThreadPool-1477-thread-1) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320712-127.0.0.1:40895_solr-n_0000000000) closing
   [junit4]   2> 355707 INFO  
(OverseerStateUpdate-72839075141320712-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:40895_solr
   [junit4]   2> 355707 INFO  
(OverseerAutoScalingTriggerThread-72839075141320712-127.0.0.1:40895_solr-n_0000000000)
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 355716 WARN  (OverseerExitThread) [    ] o.a.s.c.Overseer 
Error communicating with ZooKeeper
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1221) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:358)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:358) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:319)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 355768 INFO  
(TEST-OverseerTest.testReplay-seed#[2937C832ED9CA002]) [    ] 
o.a.s.SolrTestCaseJ4 ###Ending testReplay
   [junit4]   2> 355796 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.SolrTestCaseJ4 ###Starting testDownNodeFailover
   [junit4]   2> 355894 INFO  (zkConnectionManagerCallback-1479-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 355899 INFO  (zkConnectionManagerCallback-1485-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 355915 INFO  (zkConnectionManagerCallback-1490-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 355918 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:40895/solr ready
   [junit4]   2> 355921 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:40895_solr
   [junit4]   2> 355921 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320715-127.0.0.1:40895_solr-n_0000000000) starting
   [junit4]   2> 355941 INFO  
(OverseerStateUpdate-72839075141320715-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:40895_solr
   [junit4]   2> 355992 INFO  (zkConnectionManagerCallback-1494-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 355998 INFO  (zkCallback-1425-thread-3) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 356015 INFO  (zkCallback-1478-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 356027 INFO  (zkCallback-1489-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 356028 INFO  (zkCallback-1493-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 356028 INFO  (zkConnectionManagerCallback-1501-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 356030 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 356031 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:40895/solr ready
   [junit4]   2> 356154 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection0/leaders/shard1
   [junit4]   2> 356156 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection0/leaders/shard1/leader after winning as 
/collections/collection0/leader_elect/shard1/election/72839075141320718-127.0.0.1_core1-n_0000000000
   [junit4]   2> 356271 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 356275 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72839075141320718-127.0.0.1_core1-n_0000000000
   [junit4]   2> 356390 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection2/leaders/shard1
   [junit4]   2> 356393 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection2/leaders/shard1/leader after winning as 
/collections/collection2/leader_elect/shard1/election/72839075141320718-127.0.0.1_core1-n_0000000000
   [junit4]   2> 356515 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection3/leaders/shard1
   [junit4]   2> 356517 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection3/leaders/shard1/leader after winning as 
/collections/collection3/leader_elect/shard1/election/72839075141320718-127.0.0.1_core1-n_0000000000
   [junit4]   2> 356663 ERROR (Finalizer) [    ] o.a.s.c.CoreContainer 
CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE 
RESOURCE LEAK!!!  instance=2013987747
   [junit4]   2> 356663 ERROR (Finalizer) [    ] o.a.s.c.CoreContainer 
CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE 
RESOURCE LEAK!!!  instance=1086989557
   [junit4]   2> 356663 ERROR (Finalizer) [    ] o.a.s.c.CoreContainer 
CoreContainer was not close prior to finalize(), indicates a bug -- POSSIBLE 
RESOURCE LEAK!!!  instance=1236901821
   [junit4]   2> 356680 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection4/leaders/shard1
   [junit4]   2> 356682 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection4/leaders/shard1/leader after winning as 
/collections/collection4/leader_elect/shard1/election/72839075141320718-127.0.0.1_core1-n_0000000000
   [junit4]   2> 356793 INFO  (zkConnectionManagerCallback-1503-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 356793 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320715-127.0.0.1:40895_solr-n_0000000000) closing
   [junit4]   2> 356793 INFO  
(OverseerStateUpdate-72839075141320715-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:40895_solr
   [junit4]   2> 356793 INFO  
(OverseerAutoScalingTriggerThread-72839075141320715-127.0.0.1:40895_solr-n_0000000000)
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 356816 WARN  (OverseerExitThread) [    ] o.a.s.c.Overseer 
Error communicating with ZooKeeper
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1221) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:358)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:358) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:319)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 356830 INFO  (zkConnectionManagerCallback-1509-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 356834 INFO  (zkConnectionManagerCallback-1514-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 356836 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 356837 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:40895/solr ready
   [junit4]   2> 356841 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:40895_solr
   [junit4]   2> 356841 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320720-127.0.0.1:40895_solr-n_0000000001) starting
   [junit4]   2> 356853 INFO  
(OverseerStateUpdate-72839075141320720-127.0.0.1:40895_solr-n_0000000001) [    
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:40895_solr
   [junit4]   2> 356856 INFO  
(OverseerStateUpdate-72839075141320720-127.0.0.1:40895_solr-n_0000000001) [    
] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 356869 INFO  (zkCallback-1493-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 356869 INFO  (zkCallback-1425-thread-3) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 356869 INFO  (zkCallback-1489-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 356869 INFO  (zkCallback-1500-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 356870 INFO  (zkCallback-1502-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 356872 INFO  (zkCallback-1513-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 356886 ERROR 
(OverseerAutoScalingTriggerThread-72839075141320720-127.0.0.1:40895_solr-n_0000000001)
 [    ] o.a.s.c.a.ScheduledTriggers Failed to add trigger .auto_add_replicas
   [junit4]   2> org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling/events/.auto_add_replicas
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:129) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:119) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:115) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:111) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueueFactory.makeQueue(ZkDistributedQueueFactory.java:36)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.TriggerEventQueue.<init>(TriggerEventQueue.java:49)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.ScheduledTriggers$TriggerWrapper.<init>(ScheduledTriggers.java:566)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.ScheduledTriggers.add(ScheduledTriggers.java:220)
 [java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:245)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling/events/.auto_add_replicas
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1111) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:334)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:334) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:108) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:93) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:127) 
~[java/:?]
   [junit4]   2>        ... 9 more
   [junit4]   2> 356887 INFO  (closeThreadPool-1516-thread-1) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320715-127.0.0.1:40895_solr-n_0000000000) closing
   [junit4]   2> 356887 WARN  
(OverseerAutoScalingTriggerThread-72839075141320720-127.0.0.1:40895_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread Error removing old markers
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /autoscaling/nodeLost
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1541) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getChildren$4(SolrZkClient.java:346)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:346) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.listData(ZkDistribStateManager.java:69)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.listData(ZkDistribStateManager.java:80)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.listTree(DistribStateManager.java:104)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.removeRecursively(DistribStateManager.java:123)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.removeMarkers(OverseerTriggerThread.java:269)
 [java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:261)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 356887 WARN  (ScheduledTrigger-1610-thread-1) [    ] 
o.a.s.c.a.TriggerEventQueue Exception peeking queue of trigger 
.scheduled_maintenance
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /autoscaling/events/.scheduled_maintenance
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1541) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getChildren$4(SolrZkClient.java:346)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:346) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.fetchZkChildren(ZkDistributedQueue.java:415)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.firstChild(ZkDistributedQueue.java:392)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.firstElement(ZkDistributedQueue.java:509)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.peek(ZkDistributedQueue.java:150) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.TriggerEventQueue.peekEvent(TriggerEventQueue.java:69)
 [java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.ScheduledTriggers$TriggerWrapper.run(ScheduledTriggers.java:611)
 [java/:?]
   [junit4]   2>        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
[?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
 [?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
 [?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_191]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 356888 WARN  
(OverseerAutoScalingTriggerThread-72839075141320720-127.0.0.1:40895_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread Error removing old markers
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /autoscaling/nodeAdded
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1541) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getChildren$4(SolrZkClient.java:346)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:346) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.listData(ZkDistribStateManager.java:69)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.listData(ZkDistribStateManager.java:80)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.listTree(DistribStateManager.java:104)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.removeRecursively(DistribStateManager.java:123)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.removeMarkers(OverseerTriggerThread.java:269)
 [java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:262)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 356888 WARN  (ScheduledTrigger-1610-thread-1) [    ] 
o.a.s.c.a.TriggerBase Exception getting trigger state 
'/autoscaling/triggerState/.scheduled_maintenance'
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for 
/autoscaling/triggerState/.scheduled_maintenance
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1111) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:334)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:334) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.hasData(ZkDistribStateManager.java:59)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.TriggerBase.restoreState(TriggerBase.java:266)
 [java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.ScheduledTriggers$TriggerWrapper.run(ScheduledTriggers.java:621)
 [java/:?]
   [junit4]   2>        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
[?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
 [?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
 [?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_191]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 356889 WARN  (ScheduledTrigger-1610-thread-1) [    ] 
o.a.s.c.a.TriggerBase Exception updating trigger state 
'/autoscaling/triggerState/.scheduled_maintenance'
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for 
/autoscaling/triggerState/.scheduled_maintenance
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1111) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:334)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:334) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.hasData(ZkDistribStateManager.java:59)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.TriggerBase.saveState(TriggerBase.java:246) 
[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.ScheduledTriggers$TriggerWrapper.run(ScheduledTriggers.java:643)
 [java/:?]
   [junit4]   2>        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
[?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
 [?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
 [?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_191]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 356890 INFO  (closeThreadPool-1516-thread-2) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320720-127.0.0.1:40895_solr-n_0000000001) closing
   [junit4]   2> 356890 INFO  
(OverseerStateUpdate-72839075141320720-127.0.0.1:40895_solr-n_0000000001) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:40895_solr
   [junit4]   2> 356890 INFO  
(OverseerAutoScalingTriggerThread-72839075141320720-127.0.0.1:40895_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 356893 WARN  (OverseerExitThread) [    ] o.a.s.c.Overseer 
Error communicating with ZooKeeper
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1221) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:358)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:358) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:319)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 356960 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[2937C832ED9CA002]) [    ] 
o.a.s.SolrTestCaseJ4 ###Ending testDownNodeFailover
   [junit4]   2> 356969 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.SolrTestCaseJ4 ###Starting testOverseerStatsReset
   [junit4]   2> 357107 INFO  (zkConnectionManagerCallback-1520-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 357119 INFO  (zkCallback-1425-thread-3) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 357128 INFO  (zkConnectionManagerCallback-1527-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 357128 INFO  (zkCallback-1519-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 357129 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 357131 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:40895/solr ready
   [junit4]   2> 357140 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:40895_solr
   [junit4]   2> 357141 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320705-127.0.0.1:40895_solr-n_0000000000) starting
   [junit4]   2> 357152 INFO  
(OverseerStateUpdate-72839075141320705-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:40895_solr
   [junit4]   2> 357276 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 357278 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72839075141320723-node1_core1-n_0000000000
   [junit4]   2> 357280 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320705-127.0.0.1:40895_solr-n_0000000000) closing
   [junit4]   2> 357280 INFO  
(OverseerAutoScalingTriggerThread-72839075141320705-127.0.0.1:40895_solr-n_0000000000)
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 357281 INFO  
(OverseerStateUpdate-72839075141320705-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:40895_solr
   [junit4]   2> 357282 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320705-127.0.0.1:40895_solr-n_0000000000) closing
   [junit4]   2> 357282 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320705-127.0.0.1:40895_solr-n_0000000000) closing
   [junit4]   2> 357283 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320705-127.0.0.1:40895_solr-n_0000000000) closing
   [junit4]   2> 357283 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:40895_solr
   [junit4]   2> 357284 ERROR 
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.LeaderElector node exists
   [junit4]   2> org.apache.zookeeper.KeeperException$NodeExistsException: 
KeeperErrorCode = NodeExists for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:122) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:792) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$makePath$8(SolrZkClient.java:545)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:544) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:488) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:475) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerElectionContext.runLeaderProcess(ElectionContext.java:842)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:171) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:136) 
[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:308) 
[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:217) 
[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest.testOverseerStatsReset(OverseerTest.java:757)
 [test/:?]
   [junit4]   2>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method) ~[?:1.8.0_191]
   [junit4]   2>        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
~[?:1.8.0_191]
   [junit4]   2>        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 ~[?:1.8.0_191]
   [junit4]   2>        at java.lang.reflect.Method.invoke(Method.java:498) 
~[?:1.8.0_191]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
 [java/:?]
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
 [java/:?]
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
 [java/:?]
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
 [java/:?]
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
 [java/:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
 [java/:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
 [java/:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
 [java/:?]
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
 [java/:?]
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
 [java/:?]
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
 [java/:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
 [randomizedtesting-runner-2.7.2.jar:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 357287 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320705-127.0.0.1:40895_solr-n_0000000000) closing
   [junit4]   2> 357287 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320705-127.0.0.1:40895_solr-n_0000000000) closing
   [junit4]   2> 357287 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320705-127.0.0.1:40895_solr-n_0000000000) closing
   [junit4]   2> 357287 WARN  (OverseerExitThread) [    ] o.a.s.c.Overseer I 
(id=72839075141320705-127.0.0.1:40895_solr-n_0000000000) am exiting, but I'm 
still the leader
   [junit4]   2> 357287 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320705-127.0.0.1:40895_solr-n_0000000000) closing
   [junit4]   2> 357288 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:40895_solr
   [junit4]   2> 357289 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320705-127.0.0.1:40895_solr-n_0000000002) starting
   [junit4]   2> 357293 INFO  
(OverseerStateUpdate-72839075141320705-127.0.0.1:40895_solr-n_0000000002) [    
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:40895_solr
   [junit4]   2> 357299 INFO  (zkCallback-1526-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 357299 WARN  (NIOServerCxn.Factory:0.0.0.0/0.0.0.0:0) [    ] 
o.a.z.s.NIOServerCnxn Unable to read additional data from client sessionid 
0x102c6c0bf910013, likely client has closed socket
   [junit4]   2> 357303 INFO  (zkCallback-1425-thread-3) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 357309 WARN  (ScheduledTrigger-1619-thread-1) [    ] 
o.a.s.c.a.TriggerBase Exception getting trigger state 
'/autoscaling/triggerState/.scheduled_maintenance'
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for 
/autoscaling/triggerState/.scheduled_maintenance
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1111) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:334)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:334) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.hasData(ZkDistribStateManager.java:59)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.TriggerBase.restoreState(TriggerBase.java:266)
 [java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.ScheduledTriggers$TriggerWrapper.run(ScheduledTriggers.java:621)
 [java/:?]
   [junit4]   2>        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
[?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
 [?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
 [?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_191]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 357310 WARN  (ScheduledTrigger-1619-thread-1) [    ] 
o.a.s.c.a.TriggerBase Exception updating trigger state 
'/autoscaling/triggerState/.scheduled_maintenance'
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for 
/autoscaling/triggerState/.scheduled_maintenance
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1111) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:334)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:334) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.hasData(ZkDistribStateManager.java:59)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.TriggerBase.saveState(TriggerBase.java:246) 
[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.ScheduledTriggers$TriggerWrapper.run(ScheduledTriggers.java:643)
 [java/:?]
   [junit4]   2>        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
[?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
 [?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
 [?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_191]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_191]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 357313 INFO  (closeThreadPool-1531-thread-1) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320705-127.0.0.1:40895_solr-n_0000000002) closing
   [junit4]   2> 357318 INFO  
(OverseerStateUpdate-72839075141320705-127.0.0.1:40895_solr-n_0000000002) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:40895_solr
   [junit4]   2> 357319 WARN  
(OverseerAutoScalingTriggerThread-72839075141320705-127.0.0.1:40895_solr-n_0000000002)
 [    ] o.a.s.c.a.OverseerTriggerThread Error removing old markers
   [junit4]   2> org.apache.solr.common.AlreadyClosedException: null
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.listData(ZkDistribStateManager.java:74)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.listData(ZkDistribStateManager.java:80)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.listTree(DistribStateManager.java:104)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.removeRecursively(DistribStateManager.java:123)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.removeMarkers(OverseerTriggerThread.java:269)
 [java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:261)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 357320 WARN  
(OverseerAutoScalingTriggerThread-72839075141320705-127.0.0.1:40895_solr-n_0000000002)
 [    ] o.a.s.c.a.OverseerTriggerThread Error removing old markers
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /autoscaling/nodeAdded
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1541) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getChildren$4(SolrZkClient.java:346)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:346) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.listData(ZkDistribStateManager.java:69)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.listData(ZkDistribStateManager.java:80)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.listTree(DistribStateManager.java:104)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.removeRecursively(DistribStateManager.java:123)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.removeMarkers(OverseerTriggerThread.java:269)
 [java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:262)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 357348 WARN  (OverseerExitThread) [    ] o.a.s.c.Overseer I 
(id=72839075141320705-127.0.0.1:40895_solr-n_0000000002) am exiting, but I'm 
still the leader
   [junit4]   2> 357378 INFO  
(TEST-OverseerTest.testOverseerStatsReset-seed#[2937C832ED9CA002]) [    ] 
o.a.s.SolrTestCaseJ4 ###Ending testOverseerStatsReset
   [junit4]   2> 357385 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[2937C832ED9CA002]) [    ] 
o.a.s.SolrTestCaseJ4 ###Starting testShardAssignment
   [junit4]   2> 357475 INFO  (zkConnectionManagerCallback-1533-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 357483 INFO  (zkConnectionManagerCallback-1539-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 357490 INFO  (zkConnectionManagerCallback-1544-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 357493 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:40895/solr ready
   [junit4]   2> 357495 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:40895_solr
   [junit4]   2> 357496 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320725-127.0.0.1:40895_solr-n_0000000000) starting
   [junit4]   2> 357509 INFO  
(OverseerStateUpdate-72839075141320725-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:40895_solr
   [junit4]   2> 357536 INFO  (zkConnectionManagerCallback-1548-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 357545 INFO  (zkCallback-1425-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 357553 INFO  (zkCallback-1543-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 357572 INFO  (zkCallback-1532-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 357589 INFO  (zkCallback-1547-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 357696 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 357698 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72839075141320728-127.0.0.1_core1-n_0000000000
   [junit4]   2> 357814 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard2
   [junit4]   2> 357816 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard2/leader after winning as 
/collections/collection1/leader_elect/shard2/election/72839075141320728-127.0.0.1_core2-n_0000000000
   [junit4]   2> 357925 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard3
   [junit4]   2> 357928 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard3/leader after winning as 
/collections/collection1/leader_elect/shard3/election/72839075141320728-127.0.0.1_core3-n_0000000000
   [junit4]   2> 358036 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 358144 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard2
   [junit4]   2> 358253 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard3
   [junit4]   2> 358268 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase No version found for ephemeral leader 
parent node, won't remove previous leader registration.
   [junit4]   2> 358269 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase No version found for ephemeral leader 
parent node, won't remove previous leader registration.
   [junit4]   2> 358269 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase No version found for ephemeral leader 
parent node, won't remove previous leader registration.
   [junit4]   2> 358270 WARN  (zkCallback-1547-thread-2) [    ] 
o.a.s.c.LeaderElector Our node is no longer in line to be leader
   [junit4]   2> 358270 WARN  (zkCallback-1547-thread-2) [    ] 
o.a.s.c.LeaderElector Our node is no longer in line to be leader
   [junit4]   2> 358271 WARN  (zkCallback-1547-thread-2) [    ] 
o.a.s.c.LeaderElector Our node is no longer in line to be leader
   [junit4]   2> 358273 INFO  (zkCallback-1425-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 358273 INFO  (zkCallback-1543-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 358273 INFO  (zkCallback-1532-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 358273 INFO  (zkCallback-1547-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 358279 INFO  (closeThreadPool-1552-thread-1) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320725-127.0.0.1:40895_solr-n_0000000000) closing
   [junit4]   2> 358279 INFO  
(OverseerStateUpdate-72839075141320725-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:40895_solr
   [junit4]   2> 358280 INFO  
(OverseerAutoScalingTriggerThread-72839075141320725-127.0.0.1:40895_solr-n_0000000000)
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 358282 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:130) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1221) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:358)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:358) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:319)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 358343 INFO  
(TEST-OverseerTest.testShardAssignment-seed#[2937C832ED9CA002]) [    ] 
o.a.s.SolrTestCaseJ4 ###Ending testShardAssignment
   [junit4]   2> 358357 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.SolrTestCaseJ4 ###Starting testOverseerFailure
   [junit4]   2> 358483 INFO  (zkConnectionManagerCallback-1556-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 358491 INFO  (zkCallback-1425-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 358505 INFO  (zkCallback-1555-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 358519 INFO  (zkConnectionManagerCallback-1560-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 358546 INFO  (zkConnectionManagerCallback-1566-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
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] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 358567 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 358570 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:40895/solr ready
   [junit4]   2> 358573 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:40895_solr
   [junit4]   2> 358574 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320730-127.0.0.1:40895_solr-n_0000000000) starting
   [junit4]   2> 358582 INFO  
(OverseerStateUpdate-72839075141320730-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:40895_solr
   [junit4]   2> 358587 INFO  
(OverseerStateUpdate-72839075141320730-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
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] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 358605 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 358607 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:40895/solr ready
   [junit4]   2> 358719 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 358721 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72839075141320729-node1_core1-n_0000000000
   [junit4]   2> 358732 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 358733 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72839075141320729-node1_core1-n_0000000001
   [junit4]   2> 358846 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 358849 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72839075141320729-node1_core1-n_0000000002
   [junit4]   2> 358859 INFO  (zkConnectionManagerCallback-1578-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 358860 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320730-127.0.0.1:40895_solr-n_0000000000) closing
   [junit4]   2> 358860 INFO  
(OverseerAutoScalingTriggerThread-72839075141320730-127.0.0.1:40895_solr-n_0000000000)
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 358860 INFO  
(OverseerStateUpdate-72839075141320730-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:40895_solr
   [junit4]   2> 358869 WARN  (OverseerExitThread) [    ] o.a.s.c.Overseer 
Error communicating with ZooKeeper
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1221) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:358)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:358) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:319)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 358872 INFO  (zkConnectionManagerCallback-1584-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 358883 INFO  (zkConnectionManagerCallback-1589-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 358885 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 358886 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:40895/solr ready
   [junit4]   2> 358888 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:40895_solr
   [junit4]   2> 358889 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320734-127.0.0.1:40895_solr-n_0000000001) starting
   [junit4]   2> 358904 INFO  
(OverseerStateUpdate-72839075141320734-127.0.0.1:40895_solr-n_0000000001) [    
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:40895_solr
   [junit4]   2> 358907 INFO  
(OverseerStateUpdate-72839075141320734-127.0.0.1:40895_solr-n_0000000001) [    
] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 359048 INFO  (zkCallback-1588-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 359048 INFO  (zkCallback-1570-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 359049 INFO  (zkCallback-1577-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 359049 INFO  (zkCallback-1555-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 359049 INFO  (zkCallback-1575-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 359050 INFO  (zkCallback-1425-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 359068 INFO  (closeThreadPool-1591-thread-1) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320730-127.0.0.1:40895_solr-n_0000000000) closing
   [junit4]   2> 359068 INFO  (closeThreadPool-1591-thread-2) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320734-127.0.0.1:40895_solr-n_0000000001) closing
   [junit4]   2> 359069 INFO  
(OverseerStateUpdate-72839075141320734-127.0.0.1:40895_solr-n_0000000001) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:40895_solr
   [junit4]   2> 359069 INFO  
(OverseerAutoScalingTriggerThread-72839075141320734-127.0.0.1:40895_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 359081 WARN  (OverseerExitThread) [    ] o.a.s.c.Overseer 
Error communicating with ZooKeeper
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1221) 
~[zookeeper-3.4.13.jar:3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:358)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:358) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:319)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
   [junit4]   2> 359125 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[2937C832ED9CA002]) [    ] 
o.a.s.SolrTestCaseJ4 ###Ending testOverseerFailure
   [junit4]   2> 359133 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[2937C832ED9CA002]) [    ] 
o.a.s.SolrTestCaseJ4 ###Starting testBadQueueItem
   [junit4]   2> 359237 INFO  (zkConnectionManagerCallback-1593-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 359245 INFO  (zkConnectionManagerCallback-1599-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 359249 INFO  (zkConnectionManagerCallback-1604-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 359255 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:40895/solr ready
   [junit4]   2> 359258 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:40895_solr
   [junit4]   2> 359260 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.Overseer Overseer 
(id=72839075141320737-127.0.0.1:40895_solr-n_0000000000) starting
   [junit4]   2> 359279 INFO  
(OverseerStateUpdate-72839075141320737-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:40895_solr
   [junit4]   2> 359289 INFO  (zkConnectionManagerCallback-1608-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 359299 INFO  (zkCallback-1425-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 359304 INFO  (zkCallback-1607-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 359304 INFO  (zkCallback-1603-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 359304 INFO  (zkCallback-1592-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 359424 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 359426 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72839075141320740-127.0.0.1_core1-n_0000000000
   [junit4]   2> 359535 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard2
   [junit4]   2> 359537 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard2/leader after winning as 
/collections/collection1/leader_elect/shard2/election/72839075141320740-127.0.0.1_core2-n_0000000000
   [junit4]   2> 359646 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard3
   [junit4]   2> 359648 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard3/leader after winning as 
/collections/collection1/leader_elect/shard3/election/72839075141320740-127.0.0.1_core3-n_0000000000
   [junit4]   2> 359755 ERROR 
(OverseerStateUpdate-72839075141320737-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.o.CollectionMutator Skipping invalid Overseer message because it has 
no collection specified: {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"127.0.0.1",
   [junit4]   2>   "core":"core0",
   [junit4]   2>   "core_node_name":"node0",
   [junit4]   2>   "collection":"",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://127.0.0.1/solr/"}
   [junit4]   2> 359756 ERROR 
(OverseerStateUpdate-72839075141320737-127.0.0.1:40895_solr-n_0000000000) [    
] o.a.s.c.o.CollectionMutator Skipping invalid Overseer message because it has 
no collection specified: {
   [junit4]   2>   "operation":"deletecore",
   [junit4]   2>   "node_name":"127.0.0.1",
   [junit4]   2>   "core":"core0",
   [junit4]   2>   "core_node_name":"node0",
   [junit4]   2>   "collection":""}
   [junit4]   2> 359876 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection2/leaders/shard1
   [junit4]   2> 359878 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection2/leaders/shard1/leader after winning as 
/collections/collection2/leader_elect/shard1/election/72839075141320740-127.0.0.1_core1-n_0000000000
   [junit4]   2> 359988 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection2/leaders/shard2
   [junit4]   2> 359989 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection2/leaders/shard2/leader after winning as 
/collections/collection2/leader_elect/shard2/election/72839075141320740-127.0.0.1_core2-n_0000000000
   [junit4]   2> 360100 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection2/leaders/shard3
   [junit4]   2> 360102 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[2937C832ED9CA002]) [    ] 
o.a.s.c.ShardLeaderElectionCon

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ivy-fail:

ivy-configure:
[ivy:configure] :: loading settings :: file = 
/x1/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-7.x/lucene/top-level-ivy-settings.xml

resolve:

ivy-availability-check:
[loadresource] Do not set property disallowed.ivy.jars.list as its length is 0.

-ivy-fail-disallowed-ivy-version:

ivy-fail:

ivy-fail:

ivy-configure:
[ivy:configure] :: loading settings :: file = 
/x1/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-7.x/lucene/top-level-ivy-settings.xml

resolve:

ivy-availability-check:
[loadresource] Do not set property disallowed.ivy.jars.list as its length is 0.

-ivy-fail-disallowed-ivy-version:

ivy-fail:

ivy-fail:

ivy-configure:
[ivy:configure] :: loading settings :: file = 
/x1/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-7.x/lucene/top-level-ivy-settings.xml

resolve:

ivy-availability-check:
[loadresource] Do not set property disallowed.ivy.jars.list as its length is 0.

-ivy-fail-disallowed-ivy-version:

ivy-fail:

ivy-fail:

ivy-configure:
[ivy:configure] :: loading settings :: file = 
/x1/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-7.x/lucene/top-level-ivy-settings.xml

resolve:

jar-checksums:
    [mkdir] Created dir: 
/x1/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-7.x/solr/null1293711189
     [copy] Copying 242 files to 
/x1/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-7.x/solr/null1293711189
   [delete] Deleting directory 
/x1/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-7.x/solr/null1293711189

check-working-copy:
[ivy:cachepath] :: resolving dependencies :: 
org.eclipse.jgit#org.eclipse.jgit-caller;working
[ivy:cachepath]         confs: [default]
[ivy:cachepath]         found 
org.eclipse.jgit#org.eclipse.jgit;4.6.0.201612231935-r in public
[ivy:cachepath]         found com.jcraft#jsch;0.1.53 in public
[ivy:cachepath]         found com.googlecode.javaewah#JavaEWAH;1.1.6 in public
[ivy:cachepath]         found org.apache.httpcomponents#httpclient;4.3.6 in 
public
[ivy:cachepath]         found org.apache.httpcomponents#httpcore;4.3.3 in public
[ivy:cachepath]         found commons-logging#commons-logging;1.1.3 in public
[ivy:cachepath]         found commons-codec#commons-codec;1.6 in public
[ivy:cachepath]         found org.slf4j#slf4j-api;1.7.2 in public
[ivy:cachepath] :: resolution report :: resolve 33ms :: artifacts dl 2ms
        ---------------------------------------------------------------------
        |                  |            modules            ||   artifacts   |
        |       conf       | number| search|dwnlded|evicted|| number|dwnlded|
        ---------------------------------------------------------------------
        |      default     |   8   |   0   |   0   |   0   ||   8   |   0   |
        ---------------------------------------------------------------------
[wc-checker] Initializing working copy...
[wc-checker] SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
[wc-checker] SLF4J: Defaulting to no-operation (NOP) logger implementation
[wc-checker] SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for 
further details.
[wc-checker] Checking working copy status...

-jenkins-base:

BUILD SUCCESSFUL
Total time: 92 minutes 34 seconds
Archiving artifacts
java.lang.InterruptedException: no matches found within 10000
        at hudson.FilePath$ValidateAntFileMask.hasMatch(FilePath.java:2847)
        at hudson.FilePath$ValidateAntFileMask.invoke(FilePath.java:2726)
        at hudson.FilePath$ValidateAntFileMask.invoke(FilePath.java:2707)
        at hudson.FilePath$FileCallableWrapper.call(FilePath.java:3086)
Also:   hudson.remoting.Channel$CallSiteStackTrace: Remote call to lucene
                at 
hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1741)
                at 
hudson.remoting.UserRequest$ExceptionResponse.retrieve(UserRequest.java:357)
                at hudson.remoting.Channel.call(Channel.java:955)
                at hudson.FilePath.act(FilePath.java:1072)
                at hudson.FilePath.act(FilePath.java:1061)
                at hudson.FilePath.validateAntFileMask(FilePath.java:2705)
                at 
hudson.tasks.ArtifactArchiver.perform(ArtifactArchiver.java:243)
                at 
hudson.tasks.BuildStepCompatibilityLayer.perform(BuildStepCompatibilityLayer.java:81)
                at 
hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
                at 
hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:744)
                at 
hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:690)
                at hudson.model.Build$BuildExecution.post2(Build.java:186)
                at 
hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:635)
                at hudson.model.Run.execute(Run.java:1835)
                at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
                at 
hudson.model.ResourceController.execute(ResourceController.java:97)
                at hudson.model.Executor.run(Executor.java:429)
Caused: hudson.FilePath$TunneledInterruptedException
        at hudson.FilePath$FileCallableWrapper.call(FilePath.java:3088)
        at hudson.remoting.UserRequest.perform(UserRequest.java:212)
        at hudson.remoting.UserRequest.perform(UserRequest.java:54)
        at hudson.remoting.Request$2.run(Request.java:369)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:748)
Caused: java.lang.InterruptedException: java.lang.InterruptedException: no 
matches found within 10000
        at hudson.FilePath.act(FilePath.java:1074)
        at hudson.FilePath.act(FilePath.java:1061)
        at hudson.FilePath.validateAntFileMask(FilePath.java:2705)
        at hudson.tasks.ArtifactArchiver.perform(ArtifactArchiver.java:243)
        at 
hudson.tasks.BuildStepCompatibilityLayer.perform(BuildStepCompatibilityLayer.java:81)
        at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
        at 
hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:744)
        at 
hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:690)
        at hudson.model.Build$BuildExecution.post2(Build.java:186)
        at 
hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:635)
        at hudson.model.Run.execute(Run.java:1835)
        at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
        at hudson.model.ResourceController.execute(ResourceController.java:97)
        at hudson.model.Executor.run(Executor.java:429)
No artifacts found that match the file pattern 
"**/*.events,heapdumps/**,**/hs_err_pid*". Configuration error?
Recording test results
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)
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