Build: https://builds.apache.org/job/Lucene-Solr-Tests-master/3340/

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

Error Message:
Test abandoned because suite timeout was reached.

Stack Trace:
java.lang.Exception: Test abandoned because suite timeout was reached.
        at __randomizedtesting.SeedInfo.seed([AE9373E0D130B24E]:0)


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

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

Stack Trace:
java.lang.Exception: Suite timeout exceeded (>= 7200000 msec).
        at __randomizedtesting.SeedInfo.seed([AE9373E0D130B24E]:0)




Build Log:
[...truncated 15506 lines...]
   [junit4] Suite: org.apache.solr.cloud.OverseerTest
   [junit4]   2> 1780598 INFO  
(SUITE-OverseerTest-seed#[AE9373E0D130B24E]-worker) [    ] o.a.s.SolrTestCaseJ4 
SecureRandom sanity checks: test.solr.allowed.securerandom=null & 
java.security.egd=file:/dev/./urandom
   [junit4]   2> Creating dataDir: 
/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-master/solr/build/solr-core/test/J2/temp/solr.cloud.OverseerTest_AE9373E0D130B24E-001/init-core-data-001
   [junit4]   2> 1780612 WARN  
(SUITE-OverseerTest-seed#[AE9373E0D130B24E]-worker) [    ] o.a.s.SolrTestCaseJ4 
startTrackingSearchers: numOpens=1 numCloses=1
   [junit4]   2> 1780613 INFO  
(SUITE-OverseerTest-seed#[AE9373E0D130B24E]-worker) [    ] o.a.s.SolrTestCaseJ4 
Using PointFields (NUMERIC_POINTS_SYSPROP=true) 
w/NUMERIC_DOCVALUES_SYSPROP=false
   [junit4]   2> 1780613 INFO  
(SUITE-OverseerTest-seed#[AE9373E0D130B24E]-worker) [    ] o.a.s.SolrTestCaseJ4 
Randomized ssl (false) and clientAuth (false) via: 
@org.apache.solr.util.RandomizeSSL(reason="", ssl=0.0/0.0, value=0.0/0.0, 
clientAuth=0.0/0.0)
   [junit4]   2> 1780795 INFO  
(SUITE-OverseerTest-seed#[AE9373E0D130B24E]-worker) [    ] o.a.s.c.ZkTestServer 
STARTING ZK TEST SERVER
   [junit4]   2> 1780817 INFO  (ZkTestServer Run Thread) [    ] 
o.a.s.c.ZkTestServer client port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 1780850 INFO  (ZkTestServer Run Thread) [    ] 
o.a.s.c.ZkTestServer Starting server
   [junit4]   2> 1780923 INFO  
(SUITE-OverseerTest-seed#[AE9373E0D130B24E]-worker) [    ] o.a.s.c.ZkTestServer 
start zk server on port:34721
   [junit4]   2> 1780923 INFO  
(SUITE-OverseerTest-seed#[AE9373E0D130B24E]-worker) [    ] o.a.s.c.ZkTestServer 
parse host and port list: 127.0.0.1:34721
   [junit4]   2> 1780923 INFO  
(SUITE-OverseerTest-seed#[AE9373E0D130B24E]-worker) [    ] o.a.s.c.ZkTestServer 
connecting to 127.0.0.1 34721
   [junit4]   2> 1781190 INFO  (zkConnectionManagerCallback-7487-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1781332 INFO  (zkConnectionManagerCallback-7489-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1781332 INFO  
(SUITE-OverseerTest-seed#[AE9373E0D130B24E]-worker) [    ] o.a.s.SolrTestCaseJ4 
####initCore
   [junit4]   2> 1781332 INFO  
(SUITE-OverseerTest-seed#[AE9373E0D130B24E]-worker) [    ] o.a.s.SolrTestCaseJ4 
####initCore end
   [junit4]   2> 1781348 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.SolrTestCaseJ4 ###Starting testDownNodeFailover
   [junit4]   2> 1782219 INFO  (zkConnectionManagerCallback-7491-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1782317 WARN  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
SslContextFactory@6332b3d2[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1782385 INFO  (zkConnectionManagerCallback-7498-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1782462 INFO  (zkConnectionManagerCallback-7503-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1782608 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:34721/solr ready
   [junit4]   2> 1782770 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:34721_solr
   [junit4]   2> 1782807 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.Overseer Overseer 
(id=74695091003916290-127.0.0.1:34721_solr-n_0000000000) starting
   [junit4]   2> 1783210 INFO  
(OverseerStateUpdate-74695091003916290-127.0.0.1:34721_solr-n_0000000000) [    
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:34721_solr
   [junit4]   2> 1783230 WARN  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.Overseer Unable to check back-compat of .system collection - can't 
obtain ClusterState.
   [junit4]   2> 1783313 INFO  (zkConnectionManagerCallback-7507-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1783662 INFO  (zkCallback-7502-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1783662 INFO  (zkCallback-7506-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1783662 INFO  (zkCallback-7490-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1783662 INFO  (zkCallback-7488-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1783678 INFO  (zkConnectionManagerCallback-7514-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1783720 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1783721 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:34721/solr ready
   [junit4]   2> 1783939 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection0/leaders/shard1
   [junit4]   2> 1783941 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection0/leaders/shard1/leader after winning as 
/collections/collection0/leader_elect/shard1/election/74695091003916293-127.0.0.1_core1-n_0000000000
   [junit4]   2> 1784276 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 1784310 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/74695091003916293-127.0.0.1_core1-n_0000000000
   [junit4]   2> 1784532 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection2/leaders/shard1
   [junit4]   2> 1784566 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection2/leaders/shard1/leader after winning as 
/collections/collection2/leader_elect/shard1/election/74695091003916293-127.0.0.1_core1-n_0000000000
   [junit4]   2> 1784785 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection3/leaders/shard1
   [junit4]   2> 1784786 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection3/leaders/shard1/leader after winning as 
/collections/collection3/leader_elect/shard1/election/74695091003916293-127.0.0.1_core1-n_0000000000
   [junit4]   2> 1784967 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection4/leaders/shard1
   [junit4]   2> 1784968 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection4/leaders/shard1/leader after winning as 
/collections/collection4/leader_elect/shard1/election/74695091003916293-127.0.0.1_core1-n_0000000000
   [junit4]   2> 1785132 WARN  
(OverseerStateUpdate-74695091003916290-127.0.0.1:34721_solr-n_0000000000) [    
] o.a.s.c.Overseer Solr cannot talk to ZK, exiting Overseer main queue loop
   [junit4]   2>           => 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1541) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getChildren$4(SolrZkClient.java:346)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:346) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.fetchZkChildren(ZkDistributedQueue.java:415)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.firstChild(ZkDistributedQueue.java:392)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.peekElements(ZkDistributedQueue.java:446)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:224) 
~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:834) [?:?]
   [junit4]   2> 1785132 INFO  
(OverseerStateUpdate-74695091003916290-127.0.0.1:34721_solr-n_0000000000) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:34721_solr
   [junit4]   2> 1785223 INFO  (zkConnectionManagerCallback-7516-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1785223 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.Overseer Overseer 
(id=74695091003916290-127.0.0.1:34721_solr-n_0000000000) closing
   [junit4]   2> 1785223 INFO  
(OverseerAutoScalingTriggerThread-74695091003916290-127.0.0.1:34721_solr-n_0000000000)
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 1785224 WARN  (OverseerExitThread) [    ] o.a.s.c.Overseer 
Error communicating with ZooKeeper
   [junit4]   2>           => 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1221) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [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:331)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:834) [?:?]
   [junit4]   2> 1785271 WARN  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
SslContextFactory@28d18fee[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1785310 INFO  (zkConnectionManagerCallback-7523-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1785347 INFO  (zkConnectionManagerCallback-7528-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1785404 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1785405 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:34721/solr ready
   [junit4]   2> 1785566 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:34721_solr
   [junit4]   2> 1785587 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.Overseer Overseer 
(id=74695091003916295-127.0.0.1:34721_solr-n_0000000001) starting
   [junit4]   2> 1785609 WARN  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.Overseer Unable to check back-compat of .system collection - can't 
obtain ClusterState.
   [junit4]   2> 1785610 INFO  
(OverseerStateUpdate-74695091003916295-127.0.0.1:34721_solr-n_0000000001) [    
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:34721_solr
   [junit4]   2> 1785651 INFO  
(OverseerStateUpdate-74695091003916295-127.0.0.1:34721_solr-n_0000000001) [    
] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1785769 INFO  (zkCallback-7506-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1785769 INFO  (zkCallback-7502-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1785769 INFO  (zkCallback-7513-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1785770 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 
0x1095eca1dc10005, likely client has closed socket
   [junit4]   2> 1785789 INFO  (zkCallback-7488-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1785793 INFO  (zkCallback-7527-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1785805 INFO  (zkCallback-7515-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1786026 INFO  (closeThreadPool-7530-thread-1) [    ] 
o.a.s.c.Overseer Overseer 
(id=74695091003916290-127.0.0.1:34721_solr-n_0000000000) closing
   [junit4]   2> 1786026 INFO  (closeThreadPool-7530-thread-2) [    ] 
o.a.s.c.Overseer Overseer 
(id=74695091003916295-127.0.0.1:34721_solr-n_0000000001) closing
   [junit4]   2> 1786026 INFO  
(OverseerStateUpdate-74695091003916295-127.0.0.1:34721_solr-n_0000000001) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:34721_solr
   [junit4]   2> 1786032 INFO  
(OverseerAutoScalingTriggerThread-74695091003916295-127.0.0.1:34721_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 1786045 WARN  (OverseerExitThread) [    ] o.a.s.c.Overseer 
Error communicating with ZooKeeper
   [junit4]   2>           => 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1221) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [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:331)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:834) [?:?]
   [junit4]   2> 1786713 INFO  
(TEST-OverseerTest.testDownNodeFailover-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.SolrTestCaseJ4 ###Ending testDownNodeFailover
   [junit4]   2> 1786766 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[AE9373E0D130B24E])
 [    ] o.a.s.SolrTestCaseJ4 ###Starting testExternalClusterStateChangeBehavior
   [junit4]   2> 1787193 INFO  (zkConnectionManagerCallback-7534-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1787251 WARN  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[AE9373E0D130B24E])
 [    ] o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured 
for SslContextFactory@3038b01e[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1787307 INFO  (zkConnectionManagerCallback-7541-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1787339 INFO  (zkConnectionManagerCallback-7546-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1787351 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[AE9373E0D130B24E])
 [    ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 
127.0.0.1:34721/solr ready
   [junit4]   2> 1787370 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[AE9373E0D130B24E])
 [    ] o.a.s.c.OverseerElectionContext I am going to be the leader 
127.0.0.1:34721_solr
   [junit4]   2> 1787370 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[AE9373E0D130B24E])
 [    ] o.a.s.c.Overseer Overseer 
(id=74695091003916298-127.0.0.1:34721_solr-n_0000000000) starting
   [junit4]   2> 1787416 INFO  
(OverseerStateUpdate-74695091003916298-127.0.0.1:34721_solr-n_0000000000) [    
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:34721_solr
   [junit4]   2> 1787453 WARN  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[AE9373E0D130B24E])
 [    ] o.a.s.c.Overseer Unable to check back-compat of .system collection - 
can't obtain ClusterState.
   [junit4]   2> 1787907 INFO  
(OverseerStateUpdate-74695091003916298-127.0.0.1:34721_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> 1788017 ERROR 
(OverseerStateUpdate-74695091003916298-127.0.0.1:34721_solr-n_0000000000) [    
] o.a.s.c.Overseer Exception in Overseer main queue loop
   [junit4]   2>           => 
org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode = 
BadVersion for /clusterstate.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:118)
   [junit4]   2> org.apache.zookeeper.KeeperException$BadVersionException: 
KeeperErrorCode = BadVersion for /clusterstate.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:118) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1336) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [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:259) 
~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:834) [?:?]
   [junit4]   2> 1788017 INFO  (zkCallback-7488-thread-2) [    ] 
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> 1788055 WARN  
(OverseerStateUpdate-74695091003916298-127.0.0.1:34721_solr-n_0000000000) [    
] o.a.s.c.o.ClusterStateMutator Collection test already exists. exit
   [junit4]   2> 1788074 ERROR 
(OverseerStateUpdate-74695091003916298-127.0.0.1:34721_solr-n_0000000000) [    
] o.a.s.c.o.CollectionMutator Unable to create Shard: x because it already 
exists in collection: test
   [junit4]   2> 1788076 INFO  
(OverseerStateUpdate-74695091003916298-127.0.0.1:34721_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> 1788162 INFO  (closeThreadPool-7548-thread-1) [    ] 
o.a.s.c.Overseer Overseer 
(id=74695091003916298-127.0.0.1:34721_solr-n_0000000000) closing
   [junit4]   2> 1788162 INFO  
(OverseerStateUpdate-74695091003916298-127.0.0.1:34721_solr-n_0000000000) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:34721_solr
   [junit4]   2> 1788178 INFO  
(OverseerAutoScalingTriggerThread-74695091003916298-127.0.0.1:34721_solr-n_0000000000)
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 1788232 WARN  (OverseerExitThread) [    ] o.a.s.c.Overseer 
Error communicating with ZooKeeper
   [junit4]   2>           => 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1221) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [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:331)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:834) [?:?]
   [junit4]   2> 1788508 INFO  
(TEST-OverseerTest.testExternalClusterStateChangeBehavior-seed#[AE9373E0D130B24E])
 [    ] o.a.s.SolrTestCaseJ4 ###Ending testExternalClusterStateChangeBehavior
   [junit4]   2> 1788565 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.SolrTestCaseJ4 ###Starting testBadQueueItem
   [junit4]   2> 1788928 INFO  (zkConnectionManagerCallback-7550-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1788948 WARN  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
SslContextFactory@41259f66[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1789000 INFO  (zkConnectionManagerCallback-7557-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1789053 INFO  (zkConnectionManagerCallback-7562-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1789215 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:34721/solr ready
   [junit4]   2> 1789218 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:34721_solr
   [junit4]   2> 1789218 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.Overseer Overseer 
(id=74695091003916301-127.0.0.1:34721_solr-n_0000000000) starting
   [junit4]   2> 1789309 WARN  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.Overseer Unable to check back-compat of .system collection - can't 
obtain ClusterState.
   [junit4]   2> 1789317 INFO  
(OverseerStateUpdate-74695091003916301-127.0.0.1:34721_solr-n_0000000000) [    
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:34721_solr
   [junit4]   2> 1789401 INFO  (zkConnectionManagerCallback-7566-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1789859 INFO  (zkCallback-7488-thread-3) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1789899 INFO  (zkCallback-7565-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1789936 INFO  (zkCallback-7549-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1789959 INFO  (zkCallback-7561-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1790439 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 1790568 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/74695091003916304-127.0.0.1_core1-n_0000000000
   [junit4]   2> 1790705 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard2
   [junit4]   2> 1790735 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard2/leader after winning as 
/collections/collection1/leader_elect/shard2/election/74695091003916304-127.0.0.1_core2-n_0000000000
   [junit4]   2> 1790962 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard3
   [junit4]   2> 1790963 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard3/leader after winning as 
/collections/collection1/leader_elect/shard3/election/74695091003916304-127.0.0.1_core3-n_0000000000
   [junit4]   2> 1791257 ERROR 
(OverseerStateUpdate-74695091003916301-127.0.0.1:34721_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> 1791258 ERROR 
(OverseerStateUpdate-74695091003916301-127.0.0.1:34721_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> 1791385 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection2/leaders/shard1
   [junit4]   2> 1791399 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection2/leaders/shard1/leader after winning as 
/collections/collection2/leader_elect/shard1/election/74695091003916304-127.0.0.1_core1-n_0000000000
   [junit4]   2> 1791621 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection2/leaders/shard2
   [junit4]   2> 1791639 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection2/leaders/shard2/leader after winning as 
/collections/collection2/leader_elect/shard2/election/74695091003916304-127.0.0.1_core2-n_0000000000
   [junit4]   2> 1791792 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection2/leaders/shard3
   [junit4]   2> 1791809 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection2/leaders/shard3/leader after winning as 
/collections/collection2/leader_elect/shard3/election/74695091003916304-127.0.0.1_core3-n_0000000000
   [junit4]   2> 1792013 INFO  (zkCallback-7549-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1792013 INFO  (zkCallback-7565-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1792013 INFO  (zkCallback-7488-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1792027 INFO  (zkCallback-7561-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1792314 INFO  (closeThreadPool-7570-thread-1) [    ] 
o.a.s.c.Overseer Overseer 
(id=74695091003916301-127.0.0.1:34721_solr-n_0000000000) closing
   [junit4]   2> 1792314 INFO  
(OverseerStateUpdate-74695091003916301-127.0.0.1:34721_solr-n_0000000000) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:34721_solr
   [junit4]   2> 1792314 INFO  
(OverseerAutoScalingTriggerThread-74695091003916301-127.0.0.1:34721_solr-n_0000000000)
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 1792351 WARN  (OverseerExitThread) [    ] o.a.s.c.Overseer 
Error communicating with ZooKeeper
   [junit4]   2>           => 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1221) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [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:331)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:834) [?:?]
   [junit4]   2> 1792645 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.SolrTestCaseJ4 ###Ending testBadQueueItem
   [junit4]   2> 1792679 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.SolrTestCaseJ4 ###Starting testShardLeaderChange
   [junit4]   2> 1793027 INFO  (zkConnectionManagerCallback-7574-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1793118 WARN  (Thread-3938) [    ] o.e.j.u.s.S.config No 
Client EndPointIdentificationAlgorithm configured for 
SslContextFactory@cac028d[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1793120 WARN  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
SslContextFactory@eb67f83[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1793171 INFO  (zkConnectionManagerCallback-7583-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1793189 INFO  (zkConnectionManagerCallback-7586-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1793211 WARN  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
SslContextFactory@66f16232[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1793242 INFO  (zkConnectionManagerCallback-7598-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1793262 INFO  (zkConnectionManagerCallback-7594-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1793392 INFO  (zkConnectionManagerCallback-7603-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1793408 INFO  (Thread-3938) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:34721/solr ready
   [junit4]   2> 1793482 INFO  (Thread-3938) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:34721_solr
   [junit4]   2> 1793482 INFO  (Thread-3938) [    ] o.a.s.c.Overseer Overseer 
(id=74695091003916305-127.0.0.1:34721_solr-n_0000000000) starting
   [junit4]   2> 1793522 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:34721/solr ready
   [junit4]   2> 1793554 INFO  
(OverseerStateUpdate-74695091003916305-127.0.0.1:34721_solr-n_0000000000) [    
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:34721_solr
   [junit4]   2> 1793555 WARN  (Thread-3938) [    ] o.a.s.c.Overseer Unable to 
check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 1793663 INFO  (Thread-3938) [    ] o.a.s.c.OverseerTest 
Killing overseer.
   [junit4]   2> 1793866 INFO  (zkConnectionManagerCallback-7605-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1793918 INFO  (zkCallback-7585-thread-1) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:34721_solr
   [junit4]   2> 1793919 INFO  (zkCallback-7585-thread-1) [    ] 
o.a.s.c.Overseer Overseer 
(id=74695091003916307-127.0.0.1:34721_solr-n_0000000001) starting
   [junit4]   2> 1793971 INFO  (zkConnectionManagerCallback-7607-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1793971 INFO  (Thread-3938) [    ] o.a.s.c.Overseer Overseer 
(id=74695091003916305-127.0.0.1:34721_solr-n_0000000000) closing
   [junit4]   2> 1793971 INFO  
(OverseerAutoScalingTriggerThread-74695091003916305-127.0.0.1:34721_solr-n_0000000000)
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 1793971 INFO  
(OverseerStateUpdate-74695091003916305-127.0.0.1:34721_solr-n_0000000000) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:34721_solr
   [junit4]   2> 1793987 INFO  
(OverseerStateUpdate-74695091003916307-127.0.0.1:34721_solr-n_0000000001) [    
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:34721_solr
   [junit4]   2> 1793991 WARN  (zkCallback-7585-thread-1) [    ] 
o.a.s.c.Overseer Unable to check back-compat of .system collection - can't 
obtain ClusterState.
   [junit4]   2> 1794044 WARN  (OverseerExitThread) [    ] o.a.s.c.Overseer 
Error communicating with ZooKeeper
   [junit4]   2>           => 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1221) 
~[zookeeper-3.4.14.jar:3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf]
   [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:331)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:834) [?:?]
   [junit4]   2> 1794104 WARN  (Thread-3938) [    ] o.e.j.u.s.S.config No 
Client EndPointIdentificationAlgorithm configured for 
SslContextFactory@6af56fb7[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1794117 INFO  (zkCallback-7488-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1794117 INFO  
(OverseerStateUpdate-74695091003916307-127.0.0.1:34721_solr-n_0000000001) [    
] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1794117 INFO  (zkCallback-7602-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1794153 INFO  (zkCallback-7604-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1794190 INFO  (zkCallback-7593-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1794264 INFO  (zkConnectionManagerCallback-7616-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1794316 INFO  (zkConnectionManagerCallback-7621-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1794384 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 1794388 INFO  (Thread-3938) [    ] o.a.s.c.c.ZkStateReader 
Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1794465 INFO  (Thread-3938) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:34721/solr ready
   [junit4]   2> 1794506 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/74695091003916311-node1_core1-n_0000000000
   [junit4]   2> 1794854 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 1794927 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/74695091003916311-node1_core1-n_0000000001
   [junit4]   2> 1794980 INFO  (zkConnectionManagerCallback-7623-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1795103 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1795138 INFO  (zkCallback-7620-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1795139 INFO  (zkCallback-7604-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1795139 INFO  (zkCallback-7622-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1795142 INFO  (zkCallback-7593-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1795142 INFO  (zkCallback-7602-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1795150 INFO  (zkCallback-7488-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1795150 INFO  (zkCallback-7585-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1795191 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 1795192 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/74695091003916311-node1_core1-n_0000000002
   [junit4]   2> 1795336 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 1795338 INFO  (zkCallback-7622-thread-1) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/74695091003916315-node2_core4-n_0000000003
   [junit4]   2> 1795339 INFO  (zkCallback-7593-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1795339 INFO  (zkCallback-7585-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1795339 INFO  (zkCallback-7620-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1795339 INFO  (zkCallback-7488-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1795356 INFO  (zkCallback-7604-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1795358 INFO  (zkCallback-7622-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1795360 INFO  (zkCallback-7602-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1795482 INFO  (zkConnectionManagerCallback-7627-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1795539 INFO  (zkConnectionManagerCallback-7632-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1795628 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1795701 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:34721/solr ready
   [junit4]   2> 1795764 INFO  (zkConnectionManagerCallback-7634-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1795814 INFO  (Thread-3938) [    ] o.a.s.c.OverseerTest 
Killing overseer.
   [junit4]   2> 1795843 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 
0x1095eca1dc10018, likely client has closed socket
   [junit4]   2> 1795915 INFO  (zkConnectionManagerCallback-7636-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1795916 INFO  (Thread-3938) [    ] o.a.s.c.Overseer Overseer 
(id=74695091003916305-127.0.0.1:34721_solr-n_0000000000) closing
   [junit4]   2> 1795940 WARN  (Thread-3938) [    ] o.e.j.u.s.S.config No 
Client EndPointIdentificationAlgorithm configured for 
SslContextFactory@e8fba0e[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1795960 INFO  (zkConnectionManagerCallback-7643-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1795974 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1795976 INFO  (zkCallback-7602-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1795992 INFO  (zkCallback-7620-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1796004 INFO  (zkCallback-7593-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1796009 INFO  (zkCallback-7585-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1796010 INFO  (zkCallback-7633-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1796025 INFO  (zkConnectionManagerCallback-7650-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1796029 INFO  (zkCallback-7631-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1796098 INFO  (Thread-3938) [    ] o.a.s.c.c.ZkStateReader 
Updated live nodes from ZooKeeper... (0) -> (2)
   [junit4]   2> 1796102 WARN  
(OverseerStateUpdate-74695091003916307-127.0.0.1:34721_solr-n_0000000001) [    
] o.a.s.c.o.ClusterStateMutator Collection collection1 already exists. exit
   [junit4]   2> 1796135 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 1796171 INFO  (Thread-3938) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:34721/solr ready
   [junit4]   2> 1796318 INFO  (zkCallback-7633-thread-1) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/74695091003916318-node1_core1-n_0000000004
   [junit4]   2> 1796322 INFO  (zkCallback-7631-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1796322 INFO  (zkCallback-7585-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1796322 INFO  (zkCallback-7620-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1796322 INFO  (zkCallback-7488-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1796349 INFO  (zkCallback-7593-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1796353 INFO  (zkCallback-7602-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1796353 INFO  (zkCallback-7649-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1796353 INFO  (zkCallback-7622-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1796353 INFO  (zkCallback-7633-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1796586 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 1796587 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/74695091003916318-node1_core1-n_0000000005
   [junit4]   2> 1796693 INFO  (zkConnectionManagerCallback-7652-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1796697 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1796750 INFO  (zkCallback-7631-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1796750 INFO  (zkCallback-7649-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1796750 INFO  (zkCallback-7593-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1796752 INFO  (zkCallback-7585-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1796752 INFO  (zkCallback-7620-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1796752 INFO  (zkCallback-7488-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1796766 INFO  (zkCallback-7602-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1796787 INFO  (zkCallback-7633-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1796789 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 1796823 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/74695091003916318-node1_core1-n_0000000006
   [junit4]   2> 1796827 INFO  (zkCallback-7651-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1796991 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 1797026 INFO  (zkCallback-7631-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1797026 INFO  (zkCallback-7488-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1797027 INFO  (zkCallback-7651-thread-2) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/74695091003916322-node2_core4-n_0000000007
   [junit4]   2> 1797027 INFO  (zkCallback-7633-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1797027 INFO  (zkCallback-7649-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1797027 INFO  (zkCallback-7651-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1797027 INFO  (zkCallback-7585-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1797027 INFO  (zkCallback-7620-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1797111 INFO  (zkCallback-7593-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1797116 INFO  (zkCallback-7602-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1797136 INFO  (zkConnectionManagerCallback-7656-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1797160 INFO  (zkConnectionManagerCallback-7661-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1797161 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1797162 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:34721/solr ready
   [junit4]   2> 1797244 INFO  (Thread-3938) [    ] o.a.s.c.OverseerTest 
Killing overseer.
   [junit4]   2> 1797297 INFO  (zkConnectionManagerCallback-7663-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1797298 INFO  (zkConnectionManagerCallback-7665-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
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(id=74695091003916305-127.0.0.1:34721_solr-n_0000000000) closing
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Client EndPointIdentificationAlgorithm configured for 
SslContextFactory@353f24ea[provider=null,keyStore=null,trustStore=null]
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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(OverseerStateUpdate-74695091003916307-127.0.0.1:34721_solr-n_0000000001) [    
] o.a.s.c.o.ClusterStateMutator Collection collection1 already exists. exit
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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Updated live nodes from ZooKeeper... (0) -> (2)
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o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/74695091003916325-node1_core1-n_0000000008
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:34721/solr ready
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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/collections/collection1/leaders/shard1
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o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/74695091003916325-node1_core1-n_0000000009
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
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o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/74695091003916325-node1_core1-n_0000000010
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(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
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o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/74695091003916329-node2_core4-n_0000000011
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o.a.s.c.u.RetryUtil Retry due to Throwable, 
org.apache.zookeeper.KeeperException$NodeExistsException KeeperErrorCode = 
NodeExists
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
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/collections/collection1/leader_elect/shard1/election/74695091003916329-node2_core4-n_0000000011
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Killing overseer.
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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(id=74695091003916305-127.0.0.1:34721_solr-n_0000000000) closing
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Client EndPointIdentificationAlgorithm configured for 
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/74695091003916332-node1_core1-n_0000000012
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o.a.s.c.u.RetryUtil Retry due to Throwable, 
org.apache.zookeeper.KeeperException$NodeExistsException KeeperErrorCode = 
NodeExists
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(OverseerStateUpdate-74695091003916307-127.0.0.1:34721_solr-n_0000000001) [    
] o.a.s.c.o.ClusterStateMutator Collection collection1 already exists. exit
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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Updated live nodes from ZooKeeper... (0) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:34721/solr ready
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o.a.z.s.NIOServerCnxn Unable to read additional data from client sessionid 
0x1095eca1dc10029, likely client has closed socket
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(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase No version found for ephemeral leader 
parent node, won't remove previous leader registration.
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o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
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(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/74695091003916332-node1_core1-n_0000000013
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] o.a.s.c.c.ConnectionManager zkClient has connected
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(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
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(TEST-OverseerTest.testShardLeaderChange-seed#[AE9373E0D130B24E]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/74695091003916332-node1_core1-n_0000000014
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
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Killing overseer.
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[ivy:cachepath]         found org.bouncycastle#bcprov-jdk15on;1.60 in public
[ivy:cachepath]         found org.bouncycastle#bcpkix-jdk15on;1.60 in public
[ivy:cachepath]         found org.slf4j#slf4j-nop;1.7.2 in public
[ivy:cachepath] :: resolution report :: resolve 43ms :: artifacts dl 5ms
        ---------------------------------------------------------------------
        |                  |            modules            ||   artifacts   |
        |       conf       | number| search|dwnlded|evicted|| number|dwnlded|
        ---------------------------------------------------------------------
        |      default     |   9   |   0   |   0   |   0   ||   9   |   0   |
        ---------------------------------------------------------------------
[wc-checker] Initializing working copy...
[wc-checker] Checking working copy status...

-jenkins-base:

BUILD SUCCESSFUL
Total time: 313 minutes 6 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$CallSiteStackTrace: Remote call to lucene2
                at 
hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1741)
                at 
hudson.remoting.UserRequest$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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