Build: http://jenkins.thetaphi.de/job/Lucene-Solr-trunk-Linux/15980/
Java: 64bit/jdk1.8.0_72 -XX:+UseCompressedOops -XX:+UseG1GC

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

Error Message:
Could not register as the leader because creating the ephemeral registration 
node in ZooKeeper failed

Stack Trace:
org.apache.solr.common.SolrException: Could not register as the leader because 
creating the ephemeral registration node in ZooKeeper failed
        at 
__randomizedtesting.SeedInfo.seed([2232E005137F7870:FC6167F209E78D81]:0)
        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase.runLeaderProcess(ElectionContext.java:212)
        at 
org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:173)
        at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:138)
        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:310)
        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:219)
        at 
org.apache.solr.cloud.OverseerTest$MockZKController.publishState(OverseerTest.java:181)
        at 
org.apache.solr.cloud.OverseerTest.testShardLeaderChange(OverseerTest.java:841)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1764)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:871)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:907)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:921)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:367)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:809)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:460)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:880)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:781)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:816)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:827)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        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:367)
        at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.zookeeper.KeeperException$NodeExistsException: 
KeeperErrorCode = NodeExists
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:119)
        at org.apache.zookeeper.ZooKeeper.multiInternal(ZooKeeper.java:949)
        at org.apache.zookeeper.ZooKeeper.multi(ZooKeeper.java:915)
        at 
org.apache.solr.common.cloud.SolrZkClient$11.execute(SolrZkClient.java:577)
        at 
org.apache.solr.common.cloud.SolrZkClient$11.execute(SolrZkClient.java:574)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
        at 
org.apache.solr.common.cloud.SolrZkClient.multi(SolrZkClient.java:574)
        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase$1.execute(ElectionContext.java:195)
        at 
org.apache.solr.common.util.RetryUtil.retryOnThrowable(RetryUtil.java:49)
        at 
org.apache.solr.common.util.RetryUtil.retryOnThrowable(RetryUtil.java:42)
        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase.runLeaderProcess(ElectionContext.java:178)
        ... 45 more




Build Log:
[...truncated 10657 lines...]
   [junit4] Suite: org.apache.solr.cloud.OverseerTest
   [junit4]   2> Creating dataDir: 
/home/jenkins/workspace/Lucene-Solr-trunk-Linux/solr/build/solr-core/test/J2/temp/solr.cloud.OverseerTest_2232E005137F7870-001/init-core-data-001
   [junit4]   2> 127683 INFO  
(SUITE-OverseerTest-seed#[2232E005137F7870]-worker) [    ] o.a.s.SolrTestCaseJ4 
Randomized ssl (true) and clientAuth (false)
   [junit4]   2> 127683 INFO  
(SUITE-OverseerTest-seed#[2232E005137F7870]-worker) [    ] o.a.s.SolrTestCaseJ4 
####initCore
   [junit4]   2> 127683 INFO  
(SUITE-OverseerTest-seed#[2232E005137F7870]-worker) [    ] o.a.s.SolrTestCaseJ4 
####initCore end
   [junit4]   2> 127684 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.SolrTestCaseJ4 ###Starting testShardLeaderChange
   [junit4]   2> 127684 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 127684 INFO  (Thread-331) [    ] o.a.s.c.ZkTestServer client 
port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 127684 INFO  (Thread-331) [    ] o.a.s.c.ZkTestServer Starting 
server
   [junit4]   2> 127784 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ZkTestServer start zk server on port:60228
   [junit4]   2> 127785 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 127785 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 127787 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@1ee65780 
name:ZooKeeperConnection Watcher:127.0.0.1:60228/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 127787 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 127787 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 127787 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 127788 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 127788 INFO  (zkCallback-191-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@55b2dfb8 
name:ZooKeeperConnection Watcher:127.0.0.1:60228 got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 127788 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 127788 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 127789 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 127790 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 127791 INFO  (zkCallback-192-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@61b80c05 
name:ZooKeeperConnection Watcher:127.0.0.1:60228 got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 127791 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 127791 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 127791 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /solr
   [junit4]   2> 127793 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /live_nodes
   [junit4]   2> 127793 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /collections
   [junit4]   2> 127794 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /aliases.json
   [junit4]   2> 127794 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /clusterstate.json
   [junit4]   2> 127795 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /security.json
   [junit4]   2> 127796 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient Using 
default ZkCredentialsProvider
   [junit4]   2> 127796 INFO  (Thread-332) [    ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 127796 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 127796 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 127797 INFO  (zkCallback-193-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@5cd63a69 
name:ZooKeeperConnection Watcher:127.0.0.1:60228/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 127798 INFO  (Thread-332) [    ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 127798 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient Using 
default ZkACLProvider
   [junit4]   2> 127798 INFO  (Thread-332) [    ] o.a.s.u.UpdateShardHandler 
Creating UpdateShardHandler HTTP client with params: 
socketTimeout=600000&connTimeout=60000&retry=true
   [junit4]   2> 127799 INFO  (zkCallback-194-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@32c52a89 
name:ZooKeeperConnection Watcher:127.0.0.1:60228/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 127799 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 127800 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 127802 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 127802 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (0)
   [junit4]   2> 127802 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /live_nodes/node1
   [junit4]   2> 127803 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /overseer/queue
   [junit4]   2> 127806 INFO  (zkCallback-194-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [0])
   [junit4]   2> 127807 INFO  (zkCallback-194-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 127810 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer_elect
   [junit4]   2> 127811 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer_elect/election
   [junit4]   2> 127811 INFO  (Thread-332) [    ] o.a.s.c.Overseer Overseer 
(id=null) closing
   [junit4]   2> 127811 INFO  (Thread-332) [    ] o.a.s.c.LeaderElector Joined 
leadership election with path: 
/overseer_elect/election/95439553510637571-127.0.0.1:60228_solr-n_0000000000
   [junit4]   2> 127812 INFO  (Thread-332) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:60228_solr
   [junit4]   2> 127812 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer_elect/leader
   [junit4]   2> 127812 INFO  (Thread-332) [    ] o.a.s.c.Overseer Overseer 
(id=95439553510637571-127.0.0.1:60228_solr-n_0000000000) starting
   [junit4]   2> 127813 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer/queue-work
   [junit4]   2> 127813 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer/collection-map-failure
   [junit4]   2> 127814 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer/collection-map-running
   [junit4]   2> 127815 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer/collection-map-completed
   [junit4]   2> 127815 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer/collection-queue-work
   [junit4]   2> 127817 INFO  (Thread-332) [    ] 
o.a.s.c.OverseerAutoReplicaFailoverThread Starting 
OverseerAutoReplicaFailoverThread autoReplicaFailoverWorkLoopDelay=10000 
autoReplicaFailoverWaitAfterExpiration=30000 
autoReplicaFailoverBadNodeExpiration=60000
   [junit4]   2> 127817 INFO  
(OverseerStateUpdate-95439553510637571-127.0.0.1:60228_solr-n_0000000000) [    
] o.a.s.c.Overseer Starting to work on the main queue
   [junit4]   2> 127817 INFO  (Thread-332) [    ] o.a.s.c.OverseerTest Killing 
overseer.
   [junit4]   2> 127817 INFO  
(OverseerCollectionConfigSetProcessor-95439553510637571-127.0.0.1:60228_solr-n_0000000000)
 [    ] o.a.s.c.OverseerTaskProcessor Process current queue of overseer 
operations
   [junit4]   2> 127817 INFO  
(OverseerStateUpdate-95439553510637571-127.0.0.1:60228_solr-n_0000000000) [    
] o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 127818 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient Using 
default ZkCredentialsProvider
   [junit4]   2> 127818 WARN  
(OverseerStateUpdate-95439553510637571-127.0.0.1:60228_solr-n_0000000000) [    
] o.a.s.c.Overseer Solr cannot talk to ZK, exiting Overseer work queue loop
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /clusterstate.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1045)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:319)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:316)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:316)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkStateReader.createClusterStateWatchersAndUpdate(ZkStateReader.java:291)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkStateReader.updateClusterState(ZkStateReader.java:236)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:156)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:745)
   [junit4]   2> 127819 INFO  (Thread-332) [    ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 127822 INFO  
(OverseerStateUpdate-95439553510637571-127.0.0.1:60228_solr-n_0000000000) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:60228_solr
   [junit4]   2> 127822 ERROR (OverseerExitThread) [    ] o.a.s.c.Overseer 
could not read the data
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1155)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:353)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:308)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.access$300(Overseer.java:89)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater$2.run(Overseer.java:267)
   [junit4]   2> 127823 INFO  (zkCallback-197-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@75bf5944 
name:ZooKeeperConnection Watcher:127.0.0.1:60228/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 127823 INFO  (Thread-332) [    ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 127823 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient Using 
default ZkACLProvider
   [junit4]   2> 127823 INFO  (Thread-332) [    ] o.a.s.c.Overseer Overseer 
(id=95439553510637571-127.0.0.1:60228_solr-n_0000000000) closing
   [junit4]   2> 127823 INFO  (Thread-332) [    ] o.a.s.u.UpdateShardHandler 
Creating UpdateShardHandler HTTP client with params: 
socketTimeout=600000&connTimeout=60000&retry=true
   [junit4]   2> 127823 INFO  
(OverseerCollectionConfigSetProcessor-95439553510637571-127.0.0.1:60228_solr-n_0000000000)
 [    ] o.a.s.c.OverseerTaskProcessor According to ZK I 
(id=95439553510637571-127.0.0.1:60228_solr-n_0000000000) am no longer a leader.
   [junit4]   2> 127824 ERROR 
(OverseerCollectionConfigSetProcessor-95439553510637571-127.0.0.1:60228_solr-n_0000000000)
 [    ] o.a.s.c.OverseerTaskProcessor 
:org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode 
= Session expired for /overseer/collection-queue-work
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1472)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:336)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:333)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:333)
   [junit4]   2>        at 
org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:309)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTaskQueue.getTailId(OverseerTaskQueue.java:273)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:143)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:745)
   [junit4]   2> 
   [junit4]   2> 127824 ERROR 
(OverseerHdfsCoreFailoverThread-95439553510637571-127.0.0.1:60228_solr-n_0000000000)
 [    ] o.a.s.c.OverseerAutoReplicaFailoverThread 
OverseerAutoReplicaFailoverThread had an error in its thread work 
loop.:org.apache.solr.common.SolrException: Error reading cluster properties
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkStateReader.getClusterProps(ZkStateReader.java:707)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.doWork(OverseerAutoReplicaFailoverThread.java:152)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:131)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:745)
   [junit4]   2> Caused by: java.lang.InterruptedException: sleep interrupted
   [junit4]   2>        at java.lang.Thread.sleep(Native Method)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:107)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:75)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:316)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkStateReader.getClusterProps(ZkStateReader.java:701)
   [junit4]   2>        ... 3 more
   [junit4]   2> 
   [junit4]   2> 127824 ERROR 
(OverseerCollectionConfigSetProcessor-95439553510637571-127.0.0.1:60228_solr-n_0000000000)
 [    ] o.a.s.c.OverseerTaskProcessor Unable to prioritize overseer 
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /roles.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1045)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:319)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:316)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:316)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerNodePrioritizer.prioritizeOverseerNodes(OverseerNodePrioritizer.java:60)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:158)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:745)
   [junit4]   2> 127825 INFO  (Thread-332) [    ] o.a.s.c.Overseer Overseer 
(id=null) closing
   [junit4]   2> 127826 INFO  (Thread-332) [    ] o.a.s.c.LeaderElector Joined 
leadership election with path: 
/overseer_elect/election/95439553510637573-127.0.0.1:60228_solr-n_0000000001
   [junit4]   2> 127826 INFO  (Thread-332) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:60228_solr
   [junit4]   2> 127826 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer_elect/leader
   [junit4]   2> 127827 INFO  (Thread-332) [    ] o.a.s.c.Overseer Overseer 
(id=95439553510637573-127.0.0.1:60228_solr-n_0000000001) starting
   [junit4]   2> 127829 INFO  (Thread-332) [    ] 
o.a.s.c.OverseerAutoReplicaFailoverThread Starting 
OverseerAutoReplicaFailoverThread autoReplicaFailoverWorkLoopDelay=10000 
autoReplicaFailoverWaitAfterExpiration=30000 
autoReplicaFailoverBadNodeExpiration=60000
   [junit4]   2> 127830 INFO  
(OverseerCollectionConfigSetProcessor-95439553510637573-127.0.0.1:60228_solr-n_0000000001)
 [    ] o.a.s.c.OverseerTaskProcessor Process current queue of overseer 
operations
   [junit4]   2> 127830 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.Overseer Starting to work on the main queue
   [junit4]   2> 127830 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 127834 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 127835 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"} current state version: 0
   [junit4]   2> 127835 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 127835 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.o.ClusterStateMutator building a new cName: collection1
   [junit4]   2> 127835 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator Assigning new node to shard shard=shard1
   [junit4]   2> 127836 INFO  (zkCallback-194-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 127836 INFO  (zkCallback-197-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 128304 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 128305 INFO  (zkCallback-197-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A collections change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/collections], has occurred - updating...
   [junit4]   2> 128305 INFO  (zkCallback-194-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A collections change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/collections], has occurred - updating...
   [junit4]   2> 128306 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/95439553510637572-node1_core1-n_0000000000
   [junit4]   2> 128306 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /collections/collection1/leaders/shard1
   [junit4]   2> 128307 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/95439553510637572-node1_core1-n_0000000000
   [junit4]   2> 128308 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"leader",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "base_url":"http://node1/solr/";,
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "state":"active"} current state version: 1
   [junit4]   2> 128308 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ElectionContext Canceling election 
/collections/collection1/leader_elect/shard1/election/95439553510637572-node1_core1-n_0000000000
   [junit4]   2> 128309 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Removing leader registration node on 
cancel: /collections/collection1/leaders/shard1/leader 1
   [junit4]   2> 128309 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 128309 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"recovering",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"} current state version: 1
   [junit4]   2> 128309 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"recovering",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 128309 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 128310 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/95439553510637572-node1_core1-n_0000000001
   [junit4]   2> 128311 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/95439553510637572-node1_core1-n_0000000001
   [junit4]   2> 128311 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 128312 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"leader",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "base_url":"http://node1/solr/";,
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "state":"active"} current state version: 1
   [junit4]   2> 128312 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 128313 INFO  (zkCallback-200-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@2953b6f3 
name:ZooKeeperConnection Watcher:127.0.0.1:60228/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 128313 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 128313 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 128314 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 128314 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 128314 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /live_nodes/node2
   [junit4]   2> 128315 INFO  (zkCallback-194-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [1])
   [junit4]   2> 128315 INFO  (zkCallback-197-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [1])
   [junit4]   2> 128315 INFO  (zkCallback-200-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [1])
   [junit4]   2> 128315 INFO  (zkCallback-194-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 128315 INFO  (zkCallback-197-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 128315 INFO  (zkCallback-200-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 128316 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ElectionContext Canceling election 
/collections/collection1/leader_elect/shard1/election/95439553510637572-node1_core1-n_0000000001
   [junit4]   2> 128316 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Removing leader registration node on 
cancel: /collections/collection1/leaders/shard1/leader 2
   [junit4]   2> 128316 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"} current state version: 1
   [junit4]   2> 128316 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 128316 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 128316 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 128317 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/95439553510637572-node1_core1-n_0000000002
   [junit4]   2> 128318 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/95439553510637572-node1_core1-n_0000000002
   [junit4]   2> 128319 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 128319 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"leader",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "base_url":"http://node1/solr/";,
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "state":"active"} current state version: 1
   [junit4]   2> 128319 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (2)
   [junit4]   2> 128420 INFO  (zkCallback-197-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [2])
   [junit4]   2> 128420 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [2])
   [junit4]   2> 128420 INFO  (zkCallback-194-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [2])
   [junit4]   2> 128420 INFO  (zkCallback-200-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [2])
   [junit4]   2> 128520 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (2)
   [junit4]   2> 128522 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node2",
   [junit4]   2>   "core":"core4",
   [junit4]   2>   "core_node_name":"node2",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node2/solr/"} current state version: 2
   [junit4]   2> 128522 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node2",
   [junit4]   2>   "core":"core4",
   [junit4]   2>   "core_node_name":"node2",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node2/solr/"}
   [junit4]   2> 128522 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator Collection already exists with numShards=1
   [junit4]   2> 128522 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator Assigning new node to shard shard=shard1
   [junit4]   2> 128623 INFO  (zkCallback-200-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [2])
   [junit4]   2> 128623 INFO  (zkCallback-197-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [2])
   [junit4]   2> 128623 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [2])
   [junit4]   2> 128623 INFO  (zkCallback-194-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [2])
   [junit4]   2> 129022 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 129023 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/95439553510637574-node2_core4-n_0000000003
   [junit4]   2> 129023 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.LeaderElector Watching path 
/collections/collection1/leader_elect/shard1/election/95439553510637572-node1_core1-n_0000000002
 to know if I could be the leader
   [junit4]   2> 129024 INFO  (zkCallback-197-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [2])
   [junit4]   2> 129024 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [2])
   [junit4]   2> 129024 INFO  (zkCallback-194-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [2])
   [junit4]   2> 129024 INFO  (zkCallback-200-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [2])
   [junit4]   2> 129024 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 129024 INFO  (zkCallback-194-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 129024 INFO  (zkCallback-197-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 129025 INFO  (zkCallback-200-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 129025 INFO  (zkCallback-200-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/95439553510637574-node2_core4-n_0000000003
   [junit4]   2> 129025 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (1)
   [junit4]   2> 129026 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"leader",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "base_url":"http://node2/solr/";,
   [junit4]   2>   "core":"core4",
   [junit4]   2>   "state":"active"} current state version: 3
   [junit4]   2> 129128 INFO  (zkCallback-197-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 129128 INFO  (zkCallback-200-thread-2) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 129128 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 129226 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (1)
   [junit4]   2> 129226 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 129227 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 129228 INFO  (zkCallback-201-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@9429712 name:ZooKeeperConnection 
Watcher:127.0.0.1:60228/solr got event WatchedEvent state:SyncConnected 
type:None path:null path:null type:None
   [junit4]   2> 129228 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 129228 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 129229 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 129229 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 129229 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /live_nodes/node1
   [junit4]   2> 129230 INFO  (zkCallback-201-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [1])
   [junit4]   2> 129230 INFO  (zkCallback-197-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [1])
   [junit4]   2> 129230 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [1])
   [junit4]   2> 129230 INFO  (zkCallback-200-thread-2) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [1])
   [junit4]   2> 129230 INFO  (zkCallback-201-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 129230 INFO  (zkCallback-197-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 129230 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 129231 INFO  (zkCallback-200-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 129231 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 129231 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"} current state version: 4
   [junit4]   2> 129231 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 129231 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 129232 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/95439553510637575-node1_core1-n_0000000004
   [junit4]   2> 129232 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.LeaderElector Watching path 
/collections/collection1/leader_elect/shard1/election/95439553510637574-node2_core4-n_0000000003
 to know if I could be the leader
   [junit4]   2> 129232 INFO  (zkCallback-200-thread-2) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [2])
   [junit4]   2> 129232 INFO  (zkCallback-197-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [2])
   [junit4]   2> 129232 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [2])
   [junit4]   2> 129232 INFO  (zkCallback-201-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [2])
   [junit4]   2> 129232 INFO  (Thread-332) [    ] o.a.s.c.OverseerTest Killing 
overseer.
   [junit4]   2> 129233 INFO  (zkCallback-197-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 129233 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 129233 INFO  (zkCallback-201-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 129233 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient Using 
default ZkCredentialsProvider
   [junit4]   2> 129234 INFO  (Thread-332) [    ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 129234 INFO  (zkCallback-201-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/95439553510637575-node1_core1-n_0000000004
   [junit4]   2> 129241 INFO  (zkCallback-202-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@6ac32233 
name:ZooKeeperConnection Watcher:127.0.0.1:60228/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 129241 INFO  (Thread-332) [    ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 129241 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient Using 
default ZkACLProvider
   [junit4]   2> 129241 INFO  (Thread-332) [    ] o.a.s.c.Overseer Overseer 
(id=95439553510637573-127.0.0.1:60228_solr-n_0000000001) closing
   [junit4]   2> 129241 INFO  
(OverseerStateUpdate-95439553510637573-127.0.0.1:60228_solr-n_0000000001) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:60228_solr
   [junit4]   2> 129241 INFO  (Thread-332) [    ] o.a.s.u.UpdateShardHandler 
Creating UpdateShardHandler HTTP client with params: 
socketTimeout=600000&connTimeout=60000&retry=true
   [junit4]   2> 129242 ERROR (OverseerExitThread) [    ] o.a.s.c.Overseer 
could not read the data
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1155)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:353)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:308)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.access$300(Overseer.java:89)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater$2.run(Overseer.java:267)
   [junit4]   2> 129244 INFO  (Thread-332) [    ] o.a.s.c.Overseer Overseer 
(id=null) closing
   [junit4]   2> 129244 INFO  (Thread-332) [    ] o.a.s.c.LeaderElector Joined 
leadership election with path: 
/overseer_elect/election/95439553510637576-127.0.0.1:60228_solr-n_0000000002
   [junit4]   2> 129244 INFO  (Thread-332) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:60228_solr
   [junit4]   2> 129244 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer_elect/leader
   [junit4]   2> 129244 INFO  (Thread-332) [    ] o.a.s.c.Overseer Overseer 
(id=95439553510637576-127.0.0.1:60228_solr-n_0000000002) starting
   [junit4]   2> 129247 INFO  (Thread-332) [    ] 
o.a.s.c.OverseerAutoReplicaFailoverThread Starting 
OverseerAutoReplicaFailoverThread autoReplicaFailoverWorkLoopDelay=10000 
autoReplicaFailoverWaitAfterExpiration=30000 
autoReplicaFailoverBadNodeExpiration=60000
   [junit4]   2> 129247 INFO  
(OverseerCollectionConfigSetProcessor-95439553510637576-127.0.0.1:60228_solr-n_0000000002)
 [    ] o.a.s.c.OverseerTaskProcessor Process current queue of overseer 
operations
   [junit4]   2> 129247 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.Overseer Starting to work on the main queue
   [junit4]   2> 129247 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 129248 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 129249 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.Overseer processMessage: workQueueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 129249 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 129249 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 129249 INFO  (zkCallback-201-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 129249 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 129249 INFO  (zkCallback-202-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 129251 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"leader",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "base_url":"http://node1/solr/";,
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "state":"active"} current state version: 5
   [junit4]   2> 129352 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 129352 INFO  (zkCallback-201-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 129352 INFO  (zkCallback-202-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 130733 WARN  (zkCallback-200-thread-2) [    ] 
o.a.s.c.c.ZkStateReader ZooKeeper watch triggered, but Solr cannot talk to ZK: 
[KeeperErrorCode = Session expired for /live_nodes]
   [junit4]   2> 130734 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ElectionContext Canceling election 
/collections/collection1/leader_elect/shard1/election/95439553510637575-node1_core1-n_0000000004
   [junit4]   2> 130734 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Removing leader registration node on 
cancel: /collections/collection1/leaders/shard1/leader 5
   [junit4]   2> 130734 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"recovering",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"} current state version: 6
   [junit4]   2> 130734 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"recovering",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 130734 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 130738 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 130739 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/95439553510637575-node1_core1-n_0000000005
   [junit4]   2> 130739 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/95439553510637575-node1_core1-n_0000000005
   [junit4]   2> 130740 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 130741 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 130741 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"leader",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "base_url":"http://node1/solr/";,
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "state":"active"} current state version: 6
   [junit4]   2> 130742 INFO  (zkCallback-205-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@69573c94 
name:ZooKeeperConnection Watcher:127.0.0.1:60228/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 130742 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 130743 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 130744 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 130745 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 130745 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /live_nodes/node2
   [junit4]   2> 130746 INFO  (zkCallback-202-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [1])
   [junit4]   2> 130746 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [1])
   [junit4]   2> 130746 INFO  (zkCallback-201-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [1])
   [junit4]   2> 130746 INFO  (zkCallback-205-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [1])
   [junit4]   2> 130746 INFO  (zkCallback-202-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 130746 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 130746 INFO  (zkCallback-201-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 130746 INFO  (zkCallback-205-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 130747 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ElectionContext Canceling election 
/collections/collection1/leader_elect/shard1/election/95439553510637575-node1_core1-n_0000000005
   [junit4]   2> 130747 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Removing leader registration node on 
cancel: /collections/collection1/leaders/shard1/leader 6
   [junit4]   2> 130747 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"} current state version: 6
   [junit4]   2> 130747 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 130747 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 130747 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 130750 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/95439553510637575-node1_core1-n_0000000006
   [junit4]   2> 130750 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/95439553510637575-node1_core1-n_0000000006
   [junit4]   2> 130751 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"leader",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "base_url":"http://node1/solr/";,
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "state":"active"} current state version: 6
   [junit4]   2> 130752 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (2)
   [junit4]   2> 130752 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 130752 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node2",
   [junit4]   2>   "core":"core4",
   [junit4]   2>   "core_node_name":"node2",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node2/solr/"} current state version: 6
   [junit4]   2> 130753 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node2",
   [junit4]   2>   "core":"core4",
   [junit4]   2>   "core_node_name":"node2",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node2/solr/"}
   [junit4]   2> 130753 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 130753 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/95439553510637577-node2_core4-n_0000000007
   [junit4]   2> 130754 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.LeaderElector Watching path 
/collections/collection1/leader_elect/shard1/election/95439553510637575-node1_core1-n_0000000006
 to know if I could be the leader
   [junit4]   2> 130754 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [2])
   [junit4]   2> 130754 INFO  (zkCallback-201-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [2])
   [junit4]   2> 130754 INFO  (zkCallback-202-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [2])
   [junit4]   2> 130755 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 130755 INFO  (zkCallback-202-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 130756 INFO  (zkCallback-205-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/95439553510637577-node2_core4-n_0000000007
   [junit4]   2> 130757 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"leader",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "base_url":"http://node2/solr/";,
   [junit4]   2>   "core":"core4",
   [junit4]   2>   "state":"active"} current state version: 6
   [junit4]   2> 130757 INFO  (zkCallback-205-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [2])
   [junit4]   2> 130758 INFO  (zkCallback-205-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 130858 INFO  (zkCallback-202-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 130858 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 130858 INFO  (zkCallback-205-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 132255 WARN  (zkCallback-201-thread-1) [    ] 
o.a.s.c.c.ZkStateReader ZooKeeper watch triggered, but Solr cannot talk to ZK: 
[KeeperErrorCode = Session expired for /live_nodes]
   [junit4]   2> 132255 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (1)
   [junit4]   2> 132256 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 132256 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 132257 INFO  (zkCallback-206-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@a72b1b9 name:ZooKeeperConnection 
Watcher:127.0.0.1:60228/solr got event WatchedEvent state:SyncConnected 
type:None path:null path:null type:None
   [junit4]   2> 132257 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 132257 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 132258 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 132259 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 132259 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /live_nodes/node1
   [junit4]   2> 132259 INFO  (zkCallback-206-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [1])
   [junit4]   2> 132259 INFO  (zkCallback-202-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [1])
   [junit4]   2> 132259 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [1])
   [junit4]   2> 132259 INFO  (zkCallback-205-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [1])
   [junit4]   2> 132260 INFO  (zkCallback-206-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 132260 INFO  (zkCallback-202-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 132260 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 132260 INFO  (zkCallback-205-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 132260 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 132260 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"} current state version: 7
   [junit4]   2> 132261 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 132261 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 132261 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/95439553510637578-node1_core1-n_0000000008
   [junit4]   2> 132261 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.LeaderElector Watching path 
/collections/collection1/leader_elect/shard1/election/95439553510637577-node2_core4-n_0000000007
 to know if I could be the leader
   [junit4]   2> 132262 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [2])
   [junit4]   2> 132262 INFO  (zkCallback-205-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [2])
   [junit4]   2> 132262 INFO  (zkCallback-206-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [2])
   [junit4]   2> 132262 INFO  (zkCallback-202-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A live node change: [WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/live_nodes], has occurred - updating... (live 
nodes size: [2])
   [junit4]   2> 132262 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 132262 INFO  (zkCallback-206-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 132262 INFO  (zkCallback-202-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 132263 INFO  (zkCallback-206-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/95439553510637578-node1_core1-n_0000000008
   [junit4]   2> 132264 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"leader",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "base_url":"http://node1/solr/";,
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "state":"active"} current state version: 7
   [junit4]   2> 132350 INFO  (Thread-332) [    ] o.a.s.c.OverseerTest Killing 
overseer.
   [junit4]   2> 132351 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient Using 
default ZkCredentialsProvider
   [junit4]   2> 132351 INFO  (Thread-332) [    ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 132352 INFO  (zkCallback-207-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@6bf72563 
name:ZooKeeperConnection Watcher:127.0.0.1:60228/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 132352 INFO  (Thread-332) [    ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 132352 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient Using 
default ZkACLProvider
   [junit4]   2> 132352 INFO  (Thread-332) [    ] o.a.s.c.Overseer Overseer 
(id=95439553510637576-127.0.0.1:60228_solr-n_0000000002) closing
   [junit4]   2> 132352 INFO  
(OverseerStateUpdate-95439553510637576-127.0.0.1:60228_solr-n_0000000002) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:60228_solr
   [junit4]   2> 132352 INFO  (Thread-332) [    ] o.a.s.u.UpdateShardHandler 
Creating UpdateShardHandler HTTP client with params: 
socketTimeout=600000&connTimeout=60000&retry=true
   [junit4]   2> 132353 ERROR (OverseerExitThread) [    ] o.a.s.c.Overseer 
could not read the data
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1155)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:353)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:308)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.access$300(Overseer.java:89)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater$2.run(Overseer.java:267)
   [junit4]   2> 132355 INFO  (Thread-332) [    ] o.a.s.c.Overseer Overseer 
(id=null) closing
   [junit4]   2> 132355 INFO  (Thread-332) [    ] o.a.s.c.LeaderElector Joined 
leadership election with path: 
/overseer_elect/election/95439553510637579-127.0.0.1:60228_solr-n_0000000003
   [junit4]   2> 132355 INFO  (Thread-332) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:60228_solr
   [junit4]   2> 132355 INFO  (Thread-332) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer_elect/leader
   [junit4]   2> 132356 INFO  (Thread-332) [    ] o.a.s.c.Overseer Overseer 
(id=95439553510637579-127.0.0.1:60228_solr-n_0000000003) starting
   [junit4]   2> 132358 INFO  (Thread-332) [    ] 
o.a.s.c.OverseerAutoReplicaFailoverThread Starting 
OverseerAutoReplicaFailoverThread autoReplicaFailoverWorkLoopDelay=10000 
autoReplicaFailoverWaitAfterExpiration=30000 
autoReplicaFailoverBadNodeExpiration=60000
   [junit4]   2> 132358 INFO  
(OverseerCollectionConfigSetProcessor-95439553510637579-127.0.0.1:60228_solr-n_0000000003)
 [    ] o.a.s.c.OverseerTaskProcessor Process current queue of overseer 
operations
   [junit4]   2> 132358 INFO  
(OverseerStateUpdate-95439553510637579-127.0.0.1:60228_solr-n_0000000003) [    
] o.a.s.c.Overseer Starting to work on the main queue
   [junit4]   2> 132359 INFO  
(OverseerStateUpdate-95439553510637579-127.0.0.1:60228_solr-n_0000000003) [    
] o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 132359 INFO  
(OverseerStateUpdate-95439553510637579-127.0.0.1:60228_solr-n_0000000003) [    
] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 132360 INFO  
(OverseerStateUpdate-95439553510637579-127.0.0.1:60228_solr-n_0000000003) [    
] o.a.s.c.Overseer processMessage: workQueueSize: 2, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 132360 INFO  
(OverseerStateUpdate-95439553510637579-127.0.0.1:60228_solr-n_0000000003) [    
] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 132360 INFO  
(OverseerStateUpdate-95439553510637579-127.0.0.1:60228_solr-n_0000000003) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 132360 INFO  (zkCallback-206-thread-2) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 132360 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 132360 INFO  (zkCallback-207-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 132361 INFO  
(OverseerStateUpdate-95439553510637579-127.0.0.1:60228_solr-n_0000000003) [    
] o.a.s.c.Overseer processMessage: workQueueSize: 2, message = {
   [junit4]   2>   "operation":"leader",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "base_url":"http://node1/solr/";,
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "state":"active"}
   [junit4]   2> 132361 INFO  (zkCallback-206-thread-2) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 132361 INFO  (zkCallback-190-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 132361 INFO  (zkCallback-207-thread-2) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [1])
   [junit4]   2> 133762 WARN  (zkCallback-205-thread-1) [    ] 
o.a.s.c.c.ZkStateReader ZooKeeper watch triggered, but Solr cannot talk to ZK: 
[KeeperErrorCode = Session expired for /live_nodes]
   [junit4]   2> 133772 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ElectionContext Canceling election 
/collections/collection1/leader_elect/shard1/election/95439553510637578-node1_core1-n_0000000008
   [junit4]   2> 133772 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Removing leader registration node on 
cancel: /collections/collection1/leaders/shard1/leader 9
   [junit4]   2> 133772 INFO  
(OverseerStateUpdate-95439553510637579-127.0.0.1:60228_solr-n_0000000003) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"recovering",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"} current state version: 9
   [junit4]   2> 133772 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 133772 INFO  
(OverseerStateUpdate-95439553510637579-127.0.0.1:60228_solr-n_0000000003) [    
] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"recovering",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 133772 INFO  
(OverseerStateUpdate-95439553510637579-127.0.0.1:60228_solr-n_0000000003) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 133773 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[2232E005137F7870]) [    ] 
o.a.s.c.LeaderElector Joined leade

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

9561107832835-127.0.0.1:38174_solr-n_0000000000) [    ] o.a.s.c.c.ZkStateReader 
Updating cluster state from ZooKeeper... 
   [junit4]   2> 243747 INFO  
(OverseerStateUpdate-95439561107832835-127.0.0.1:38174_solr-n_0000000000) [    
] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (0)
   [junit4]   2> 243748 INFO  
(OverseerStateUpdate-95439561107832835-127.0.0.1:38174_solr-n_0000000000) [    
] o.a.s.c.Overseer processMessage: workQueueSize: 2, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "base_url":"http://127.0.0.1/solr";,
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "shard":"s1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "roles":"",
   [junit4]   2>   "state":"recovering"}
   [junit4]   2> 243748 INFO  
(OverseerStateUpdate-95439561107832835-127.0.0.1:38174_solr-n_0000000000) [    
] o.a.s.c.o.ReplicaMutator Update state numShards=null message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "base_url":"http://127.0.0.1/solr";,
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "shard":"s1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "roles":"",
   [junit4]   2>   "state":"recovering"}
   [junit4]   2> 243748 INFO  (zkCallback-318-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [0])
   [junit4]   2> 243749 INFO  
(OverseerStateUpdate-95439561107832835-127.0.0.1:38174_solr-n_0000000000) [    
] o.a.s.c.Overseer processMessage: workQueueSize: 2, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "base_url":"http://127.0.0.1/solr";,
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "shard":"s1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "core":"core2",
   [junit4]   2>   "roles":"",
   [junit4]   2>   "state":"recovering"}
   [junit4]   2> 243749 INFO  
(OverseerStateUpdate-95439561107832835-127.0.0.1:38174_solr-n_0000000000) [    
] o.a.s.c.o.ReplicaMutator Update state numShards=null message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "base_url":"http://127.0.0.1/solr";,
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "shard":"s1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "core":"core2",
   [junit4]   2>   "roles":"",
   [junit4]   2>   "state":"recovering"}
   [junit4]   2> 243751 INFO  
(OverseerStateUpdate-95439561107832835-127.0.0.1:38174_solr-n_0000000000) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "base_url":"http://127.0.0.1/solr";,
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "shard":"s1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "core":"core3",
   [junit4]   2>   "roles":"",
   [junit4]   2>   "state":"recovering"} current state version: 2
   [junit4]   2> 243751 INFO  
(OverseerStateUpdate-95439561107832835-127.0.0.1:38174_solr-n_0000000000) [    
] o.a.s.c.o.ReplicaMutator Update state numShards=null message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "base_url":"http://127.0.0.1/solr";,
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "shard":"s1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "core":"core3",
   [junit4]   2>   "roles":"",
   [junit4]   2>   "state":"recovering"}
   [junit4]   2> 243754 INFO  (zkCallback-321-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [0])
   [junit4]   2> 243759 INFO  (zkCallback-318-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [0])
   [junit4]   2> 243853 INFO  (zkCallback-321-thread-2) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [0])
   [junit4]   2> 243853 INFO  (zkCallback-318-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent 
state:SyncConnected type:NodeDataChanged path:/clusterstate.json], has occurred 
- updating... (live nodes size: [0])
   [junit4]   2> 243948 WARN  (NIOServerCxn.Factory:0.0.0.0/0.0.0.0:0) [    ] 
o.a.z.s.NIOServerCnxn caught end of stream exception
   [junit4]   2> EndOfStreamException: Unable to read additional data from 
client sessionid 0x15311c6715a0003, likely client has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228)
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:745)
   [junit4]   2> 243949 INFO  
(TEST-OverseerTest.testReplay-seed#[2232E005137F7870]) [    ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1:38174 38174
   [junit4]   2> 244014 INFO  (Thread-343) [    ] o.a.s.c.ZkTestServer 
connecting to 127.0.0.1:38174 38174
   [junit4]   2> 244015 WARN  (Thread-343) [    ] o.a.s.c.ZkTestServer Watch 
limit violations: 
   [junit4]   2> Maximum concurrent create/delete watches above limit:
   [junit4]   2> 
   [junit4]   2>        2       /solr/aliases.json
   [junit4]   2> 
   [junit4]   2> Maximum concurrent data watches above limit:
   [junit4]   2> 
   [junit4]   2>        2       /solr/clusterstate.json
   [junit4]   2> 
   [junit4]   2> Maximum concurrent children watches above limit:
   [junit4]   2> 
   [junit4]   2>        2       /solr/live_nodes
   [junit4]   2>        2       /solr/collections
   [junit4]   2> 
   [junit4]   2> 244015 INFO  
(TEST-OverseerTest.testReplay-seed#[2232E005137F7870]) [    ] 
o.a.s.SolrTestCaseJ4 ###Ending testReplay
   [junit4]   2> 244015 INFO  
(TEST-OverseerTest.testReplay-seed#[2232E005137F7870]) [    ] o.a.s.c.Overseer 
Overseer (id=95439561107832835-127.0.0.1:38174_solr-n_0000000000) closing
   [junit4]   2> 244015 INFO  
(OverseerStateUpdate-95439561107832835-127.0.0.1:38174_solr-n_0000000000) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:38174_solr
   [junit4]   2> 244015 ERROR (OverseerExitThread) [    ] o.a.s.c.Overseer 
could not read the data
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1155)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:353)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:308)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.access$300(Overseer.java:89)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater$2.run(Overseer.java:267)
   [junit4]   2> 247017 INFO  
(SUITE-OverseerTest-seed#[2232E005137F7870]-worker) [    ] o.a.s.SolrTestCaseJ4 
###deleteCore
   [junit4]   2> NOTE: leaving temporary files on disk at: 
/home/jenkins/workspace/Lucene-Solr-trunk-Linux/solr/build/solr-core/test/J2/temp/solr.cloud.OverseerTest_2232E005137F7870-001
   [junit4]   2> NOTE: test params are: codec=Asserting(Lucene60), 
sim=RandomSimilarity(queryNorm=true,coord=yes): {}, locale=bg, timezone=UCT
   [junit4]   2> NOTE: Linux 3.19.0-47-generic amd64/Oracle Corporation 
1.8.0_72 (64-bit)/cpus=12,threads=1,free=290415448,total=536870912
   [junit4]   2> NOTE: All tests run in this JVM: [DirectUpdateHandlerTest, 
SearchHandlerTest, HighlighterMaxOffsetTest, SpatialRPTFieldTypeTest, 
VersionInfoTest, TestOrdValues, SimpleFacetsTest, BaseCdcrDistributedZkTest, 
TestCollapseQParserPlugin, TestReqParamsAPI, FieldAnalysisRequestHandlerTest, 
PrimitiveFieldTypeTest, ScriptEngineTest, TestXmlQParser, HLLUtilTest, 
TestCollationField, TestIndexingPerformance, ZkStateWriterTest, AssignTest, 
TestStressRecovery, SuggestComponentTest, OverseerTest]
   [junit4] Completed [94/580 (1!)] on J2 in 119.35s, 13 tests, 1 error, 1 
skipped <<< FAILURES!

[...truncated 1585 lines...]
BUILD FAILED
/home/jenkins/workspace/Lucene-Solr-trunk-Linux/build.xml:740: The following 
error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-trunk-Linux/build.xml:684: The following 
error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-trunk-Linux/build.xml:59: The following 
error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-trunk-Linux/solr/build.xml:233: The 
following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-trunk-Linux/solr/common-build.xml:524: The 
following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-trunk-Linux/lucene/common-build.xml:1457: 
The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-trunk-Linux/lucene/common-build.xml:1014: 
There were test failures: 580 suites (8 ignored), 2345 tests, 1 error, 116 
ignored (71 assumptions) [seed: 2232E005137F7870]

Total time: 55 minutes 12 seconds
Build step 'Invoke Ant' marked build as failure
Archiving artifacts
[WARNINGS] Skipping publisher since build result is FAILURE
Recording test results
Email was triggered for: Failure - Any
Sending email for trigger: Failure - Any


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