Build: https://builds.apache.org/job/Lucene-Solr-Tests-trunk-Java8/592/

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

Error Message:
expected:<1> but was:<2>

Stack Trace:
java.lang.AssertionError: expected:<1> but was:<2>
        at 
__randomizedtesting.SeedInfo.seed([DE98B1F8611F4A97:75CC56C4F4C5E999]:0)
        at org.junit.Assert.fail(Assert.java:93)
        at org.junit.Assert.failNotEquals(Assert.java:647)
        at org.junit.Assert.assertEquals(Assert.java:128)
        at org.junit.Assert.assertEquals(Assert.java:472)
        at org.junit.Assert.assertEquals(Assert.java:456)
        at 
org.apache.solr.cloud.OverseerTest.testOverseerStatsReset(OverseerTest.java:722)
        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:497)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1660)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:866)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:902)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:916)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:50)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:46)
        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:49)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:65)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$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:875)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:777)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:811)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:822)
        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:46)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:42)
        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:54)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:65)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:55)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:367)
        at java.lang.Thread.run(Thread.java:745)




Build Log:
[...truncated 9395 lines...]
   [junit4] Suite: org.apache.solr.cloud.OverseerTest
   [junit4]   2> Creating dataDir: 
/x1/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-trunk-Java8/solr/build/solr-core/test/J2/temp/solr.cloud.OverseerTest_DE98B1F8611F4A97-001/init-core-data-001
   [junit4]   2> 221843 INFO  
(SUITE-OverseerTest-seed#[DE98B1F8611F4A97]-worker) [    ] o.a.s.SolrTestCaseJ4 
Randomized ssl (false) and clientAuth (false)
   [junit4]   2> 221843 INFO  
(SUITE-OverseerTest-seed#[DE98B1F8611F4A97]-worker) [    ] o.a.s.SolrTestCaseJ4 
####initCore
   [junit4]   2> 221843 INFO  
(SUITE-OverseerTest-seed#[DE98B1F8611F4A97]-worker) [    ] o.a.s.SolrTestCaseJ4 
####initCore end
   [junit4]   2> 221845 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.SolrTestCaseJ4 ###Starting testOverseerFailure
   [junit4]   2> 221845 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 221856 INFO  (Thread-533) [    ] o.a.s.c.ZkTestServer client 
port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 221856 INFO  (Thread-533) [    ] o.a.s.c.ZkTestServer Starting 
server
   [junit4]   2> 221956 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.ZkTestServer start zk server on port:49462
   [junit4]   2> 221956 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 221973 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 221993 INFO  (zkCallback-120-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@440868a8 
name:ZooKeeperConnection Watcher:127.0.0.1:49462 got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 221993 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 221993 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 221999 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 222021 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 222045 INFO  (zkCallback-121-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@63b71fde 
name:ZooKeeperConnection Watcher:127.0.0.1:49462 got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 222045 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 222045 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 222045 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /solr
   [junit4]   2> 222051 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 222069 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 222087 INFO  (zkCallback-122-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@5a792f48 
name:ZooKeeperConnection Watcher:127.0.0.1:49462/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 222087 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 222087 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 222092 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /live_nodes
   [junit4]   2> 222094 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /collections
   [junit4]   2> 222095 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /aliases.json
   [junit4]   2> 222096 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /clusterstate.json
   [junit4]   2> 222097 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /security.json
   [junit4]   2> 222098 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 222101 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 222113 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 222125 INFO  (zkCallback-123-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@2150f551 
name:ZooKeeperConnection Watcher:127.0.0.1:49462/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 222125 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 222125 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 222127 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 222129 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /live_nodes/node1
   [junit4]   2> 222130 INFO  (zkCallback-123-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> 222130 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 222141 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 222141 INFO  (zkCallback-122-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> 222153 INFO  (zkCallback-124-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@38b4d631 
name:ZooKeeperConnection Watcher:127.0.0.1:49462/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 222153 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 222153 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 222154 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.u.UpdateShardHandler Creating UpdateShardHandler HTTP client with params: 
socketTimeout=600000&connTimeout=60000&retry=true
   [junit4]   2> 222164 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /overseer_elect
   [junit4]   2> 222167 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /overseer_elect/election
   [junit4]   2> 222168 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.Overseer Overseer (id=null) closing
   [junit4]   2> 222169 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/overseer_elect/election/94828013972291588-127.0.0.1:49462_solr-n_0000000000
   [junit4]   2> 222169 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:49462_solr
   [junit4]   2> 222169 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /overseer_elect/leader
   [junit4]   2> 222170 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.Overseer Overseer 
(id=94828013972291588-127.0.0.1:49462_solr-n_0000000000) starting
   [junit4]   2> 222171 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /overseer/queue
   [junit4]   2> 222172 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /overseer/queue-work
   [junit4]   2> 222174 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /overseer/collection-map-failure
   [junit4]   2> 222176 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /overseer/collection-map-running
   [junit4]   2> 222177 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /overseer/collection-map-completed
   [junit4]   2> 222179 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /overseer/collection-queue-work
   [junit4]   2> 222181 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.OverseerAutoReplicaFailoverThread Starting 
OverseerAutoReplicaFailoverThread autoReplicaFailoverWorkLoopDelay=10000 
autoReplicaFailoverWaitAfterExpiration=30000 
autoReplicaFailoverBadNodeExpiration=60000
   [junit4]   2> 222191 INFO  
(OverseerStateUpdate-94828013972291588-127.0.0.1:49462_solr-n_0000000000) [    
] o.a.s.c.Overseer Starting to work on the main queue
   [junit4]   2> 222192 INFO  
(OverseerStateUpdate-94828013972291588-127.0.0.1:49462_solr-n_0000000000) [    
] o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 222195 INFO  
(OverseerCollectionConfigSetProcessor-94828013972291588-127.0.0.1:49462_solr-n_0000000000)
 [    ] o.a.s.c.OverseerTaskProcessor Process current queue of overseer 
operations
   [junit4]   2> 223204 INFO  
(OverseerStateUpdate-94828013972291588-127.0.0.1:49462_solr-n_0000000000) [    
] 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":"core_node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"} current state version: 0
   [junit4]   2> 223205 INFO  
(OverseerStateUpdate-94828013972291588-127.0.0.1:49462_solr-n_0000000000) [    
] 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":"core_node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 223205 INFO  
(OverseerStateUpdate-94828013972291588-127.0.0.1:49462_solr-n_0000000000) [    
] o.a.s.c.o.ClusterStateMutator building a new cName: collection1
   [junit4]   2> 223205 INFO  
(OverseerStateUpdate-94828013972291588-127.0.0.1:49462_solr-n_0000000000) [    
] o.a.s.c.o.ReplicaMutator Assigning new node to shard shard=shard1
   [junit4]   2> 223207 INFO  (zkCallback-123-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> 223207 INFO  (zkCallback-124-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> 223207 INFO  (zkCallback-122-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> 223702 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 223703 INFO  (zkCallback-124-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A collections change: WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/collections, has occurred - updating...
   [junit4]   2> 223703 INFO  (zkCallback-122-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A collections change: WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/collections, has occurred - updating...
   [junit4]   2> 223703 INFO  (zkCallback-123-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A collections change: WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/collections, has occurred - updating...
   [junit4]   2> 223706 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/94828013972291587-node1_core1-n_0000000000
   [junit4]   2> 223707 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /collections/collection1/leaders/shard1
   [junit4]   2> 223709 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node
   [junit4]   2> 223711 INFO  
(OverseerStateUpdate-94828013972291588-127.0.0.1:49462_solr-n_0000000000) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "base_url":"http://node1/solr/";,
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core_node_name":"core_node1",
   [junit4]   2>   "core":"core1"} current state version: 1
   [junit4]   2> 223712 INFO  
(OverseerStateUpdate-94828013972291588-127.0.0.1:49462_solr-n_0000000000) [    
] o.a.s.c.o.ReplicaMutator Update state numShards=null message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "base_url":"http://node1/solr/";,
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core_node_name":"core_node1",
   [junit4]   2>   "core":"core1"}
   [junit4]   2> 223714 INFO  
(OverseerStateUpdate-94828013972291588-127.0.0.1:49462_solr-n_0000000000) [    
] 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"} current state version: 1
   [junit4]   2> 223715 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 223716 INFO  
(OverseerStateUpdate-94828013972291588-127.0.0.1:49462_solr-n_0000000000) [    
] 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":"core_node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"} current state version: 1
   [junit4]   2> 223717 INFO  
(OverseerStateUpdate-94828013972291588-127.0.0.1:49462_solr-n_0000000000) [    
] 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":"core_node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 223717 INFO  
(OverseerStateUpdate-94828013972291588-127.0.0.1:49462_solr-n_0000000000) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 223718 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/94828013972291587-node1_core1-n_0000000001
   [junit4]   2> 223718 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector was going to be leader 
/collections/collection1/leader_elect/shard1/election/94828013972291587-node1_core1-n_0000000001
 , seq(0) 
/collections/collection1/leader_elect/shard1/election/94828013972291587-node1_core1-n_0000000000
   [junit4]   2> 223819 INFO  (zkCallback-124-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> 223819 INFO  (zkCallback-123-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> 223820 INFO  (zkCallback-122-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> 224203 INFO  
(OverseerCollectionConfigSetProcessor-94828013972291588-127.0.0.1:49462_solr-n_0000000000)
 [    ] o.a.s.c.OverseerTaskProcessor 
   [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:61)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTaskProcessor.amILeader(OverseerTaskProcessor.java:355)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:172)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:745)
   [junit4]   2> 224203 INFO  
(OverseerCollectionConfigSetProcessor-94828013972291588-127.0.0.1:49462_solr-n_0000000000)
 [    ] o.a.s.c.OverseerTaskProcessor According to ZK I 
(id=94828013972291588-127.0.0.1:49462_solr-n_0000000000) am no longer a leader.
   [junit4]   2> 224873 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 224876 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/94828013972291587-node1_core1-n_0000000002
   [junit4]   2> 224876 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector was going to be leader 
/collections/collection1/leader_elect/shard1/election/94828013972291587-node1_core1-n_0000000002
 , seq(0) 
/collections/collection1/leader_elect/shard1/election/94828013972291587-node1_core1-n_0000000000
   [junit4]   2> 224877 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 224877 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 224887 INFO  (zkCallback-126-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@6f5d67b6 
name:ZooKeeperConnection Watcher:127.0.0.1:49462/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 224887 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 224887 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 224888 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.Overseer Overseer 
(id=94828013972291588-127.0.0.1:49462_solr-n_0000000000) closing
   [junit4]   2> 224888 INFO  
(OverseerStateUpdate-94828013972291588-127.0.0.1:49462_solr-n_0000000000) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:49462_solr
   [junit4]   2> 224888 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.u.UpdateShardHandler Creating UpdateShardHandler HTTP client with params: 
socketTimeout=600000&connTimeout=60000&retry=true
   [junit4]   2> 224891 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$7.execute(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:304)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.access$300(Overseer.java:87)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater$2.run(Overseer.java:265)
   [junit4]   2> 224891 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.Overseer Overseer (id=null) closing
   [junit4]   2> 224892 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/overseer_elect/election/94828013972291589-127.0.0.1:49462_solr-n_0000000001
   [junit4]   2> 224893 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:49462_solr
   [junit4]   2> 224893 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /overseer_elect/leader
   [junit4]   2> 224894 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.Overseer Overseer 
(id=94828013972291589-127.0.0.1:49462_solr-n_0000000001) starting
   [junit4]   2> 224901 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.OverseerAutoReplicaFailoverThread Starting 
OverseerAutoReplicaFailoverThread autoReplicaFailoverWorkLoopDelay=10000 
autoReplicaFailoverWaitAfterExpiration=30000 
autoReplicaFailoverBadNodeExpiration=60000
   [junit4]   2> 224901 INFO  
(OverseerCollectionConfigSetProcessor-94828013972291589-127.0.0.1:49462_solr-n_0000000001)
 [    ] o.a.s.c.OverseerTaskProcessor Process current queue of overseer 
operations
   [junit4]   2> 224901 INFO  
(OverseerStateUpdate-94828013972291589-127.0.0.1:49462_solr-n_0000000001) [    
] o.a.s.c.Overseer Starting to work on the main queue
   [junit4]   2> 224902 INFO  
(OverseerStateUpdate-94828013972291589-127.0.0.1:49462_solr-n_0000000001) [    
] o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 224907 INFO  
(OverseerStateUpdate-94828013972291589-127.0.0.1:49462_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":"core_node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"} current state version: 2
   [junit4]   2> 224907 INFO  
(OverseerStateUpdate-94828013972291589-127.0.0.1:49462_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":"core_node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 224907 INFO  
(OverseerStateUpdate-94828013972291589-127.0.0.1:49462_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 224909 INFO  (zkCallback-122-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> 224909 INFO  (zkCallback-126-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> 224910 INFO  (zkCallback-123-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> 224962 INFO  
(OverseerStateUpdate-94828013972291589-127.0.0.1:49462_solr-n_0000000001) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"deletecore",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"core_node1",
   [junit4]   2>   "collection":"collection1"} current state version: 3
   [junit4]   2> 225064 INFO  
(OverseerStateUpdate-94828013972291589-127.0.0.1:49462_solr-n_0000000001) [    
] o.a.s.c.o.ZkStateWriter going to delete_collection 
/collections/collection1/state.json
   [junit4]   2> 225070 INFO  (zkCallback-123-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A collections change: WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/collections, has occurred - updating...
   [junit4]   2> 225070 INFO  (zkCallback-122-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A collections change: WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/collections, has occurred - updating...
   [junit4]   2> 225071 INFO  (zkCallback-126-thread-2) [    ] 
o.a.s.c.c.ZkStateReader A collections change: WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/collections, has occurred - updating...
   [junit4]   2> 225072 INFO  (zkCallback-123-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> 225072 INFO  (zkCallback-126-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> 225072 INFO  (zkCallback-122-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> 225573 INFO  (zkCallback-122-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> 225573 INFO  (zkCallback-126-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> 225573 INFO  (zkCallback-123-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> 227074 WARN  (zkCallback-123-thread-1) [    ] 
o.a.s.c.c.ZkStateReader ZooKeeper watch triggered, but Solr cannot talk to ZK
   [junit4]   2> 227076 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1:49462 49462
   [junit4]   2> 227239 INFO  (Thread-533) [    ] o.a.s.c.ZkTestServer 
connecting to 127.0.0.1:49462 49462
   [junit4]   2> 227241 WARN  (Thread-533) [    ] o.a.s.c.ZkTestServer Watch 
limit violations: 
   [junit4]   2> Maximum concurrent create/delete watches above limit:
   [junit4]   2> 
   [junit4]   2>        4       /solr/aliases.json
   [junit4]   2> 
   [junit4]   2> Maximum concurrent data watches above limit:
   [junit4]   2> 
   [junit4]   2>        4       /solr/clusterstate.json
   [junit4]   2> 
   [junit4]   2> Maximum concurrent children watches above limit:
   [junit4]   2> 
   [junit4]   2>        4       /solr/live_nodes
   [junit4]   2>        4       /solr/collections
   [junit4]   2>        2       /solr/overseer/queue
   [junit4]   2>        2       /solr/overseer/queue-work
   [junit4]   2>        2       /solr/overseer/collection-queue-work
   [junit4]   2> 
   [junit4]   2> 227242 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.SolrTestCaseJ4 ###Ending testOverseerFailure
   [junit4]   2> 227242 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.Overseer Overseer 
(id=94828013972291589-127.0.0.1:49462_solr-n_0000000001) closing
   [junit4]   2> 227242 INFO  
(OverseerStateUpdate-94828013972291589-127.0.0.1:49462_solr-n_0000000001) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:49462_solr
   [junit4]   2> 227249 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$7.execute(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:304)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.access$300(Overseer.java:87)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater$2.run(Overseer.java:265)
   [junit4]   2> 227253 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.SolrTestCaseJ4 ###Starting testShardLeaderChange
   [junit4]   2> 227254 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 227254 INFO  (Thread-534) [    ] o.a.s.c.ZkTestServer client 
port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 227254 INFO  (Thread-534) [    ] o.a.s.c.ZkTestServer Starting 
server
   [junit4]   2> 227354 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.ZkTestServer start zk server on port:33386
   [junit4]   2> 227354 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 227355 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 227357 INFO  (zkCallback-128-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@29fb8580 
name:ZooKeeperConnection Watcher:127.0.0.1:33386/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 227358 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 227358 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 227358 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 227358 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 227360 INFO  (zkCallback-129-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@5140d54b 
name:ZooKeeperConnection Watcher:127.0.0.1:33386 got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 227360 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 227360 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 227362 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 227362 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 227365 INFO  (zkCallback-130-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@40a476b1 
name:ZooKeeperConnection Watcher:127.0.0.1:33386 got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 227365 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 227365 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 227365 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /solr
   [junit4]   2> 227368 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /live_nodes
   [junit4]   2> 227369 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /collections
   [junit4]   2> 227370 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /aliases.json
   [junit4]   2> 227371 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /clusterstate.json
   [junit4]   2> 227372 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /security.json
   [junit4]   2> 227374 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 227374 INFO  (Thread-535) [    ] o.a.s.c.c.SolrZkClient Using 
default ZkCredentialsProvider
   [junit4]   2> 227374 INFO  (Thread-535) [    ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 227374 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 227376 INFO  (zkCallback-132-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@2b6ccef name:ZooKeeperConnection 
Watcher:127.0.0.1:33386/solr got event WatchedEvent state:SyncConnected 
type:None path:null path:null type:None
   [junit4]   2> 227376 INFO  (Thread-535) [    ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 227376 INFO  (zkCallback-131-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@1957507a 
name:ZooKeeperConnection Watcher:127.0.0.1:33386/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 227376 INFO  (Thread-535) [    ] o.a.s.c.c.SolrZkClient Using 
default ZkACLProvider
   [junit4]   2> 227376 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 227376 INFO  (Thread-535) [    ] o.a.s.u.UpdateShardHandler 
Creating UpdateShardHandler HTTP client with params: 
socketTimeout=600000&connTimeout=60000&retry=true
   [junit4]   2> 227376 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 227378 INFO  (Thread-535) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer_elect
   [junit4]   2> 227378 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 227379 INFO  (Thread-535) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer_elect/election
   [junit4]   2> 227380 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /live_nodes/node1
   [junit4]   2> 227380 INFO  (Thread-535) [    ] o.a.s.c.Overseer Overseer 
(id=null) closing
   [junit4]   2> 227381 INFO  (zkCallback-131-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> 227381 INFO  (Thread-535) [    ] o.a.s.c.LeaderElector Joined 
leadership election with path: 
/overseer_elect/election/94828014325006339-127.0.0.1:33386_solr-n_0000000000
   [junit4]   2> 227381 INFO  (Thread-535) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:33386_solr
   [junit4]   2> 227381 INFO  (Thread-535) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer_elect/leader
   [junit4]   2> 227382 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /overseer/queue
   [junit4]   2> 227382 INFO  (Thread-535) [    ] o.a.s.c.Overseer Overseer 
(id=94828014325006339-127.0.0.1:33386_solr-n_0000000000) starting
   [junit4]   2> 227384 INFO  (Thread-535) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer/queue-work
   [junit4]   2> 227386 INFO  (Thread-535) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer/collection-map-failure
   [junit4]   2> 227388 INFO  (Thread-535) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer/collection-map-running
   [junit4]   2> 227390 INFO  (Thread-535) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer/collection-map-completed
   [junit4]   2> 227391 INFO  (Thread-535) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer/collection-queue-work
   [junit4]   2> 227394 INFO  (Thread-535) [    ] 
o.a.s.c.OverseerAutoReplicaFailoverThread Starting 
OverseerAutoReplicaFailoverThread autoReplicaFailoverWorkLoopDelay=10000 
autoReplicaFailoverWaitAfterExpiration=30000 
autoReplicaFailoverBadNodeExpiration=60000
   [junit4]   2> 227395 INFO  (Thread-535) [    ] o.a.s.SolrTestCaseJ4 Killing 
overseer.
   [junit4]   2> 227395 INFO  
(OverseerStateUpdate-94828014325006339-127.0.0.1:33386_solr-n_0000000000) [    
] o.a.s.c.Overseer Starting to work on the main queue
   [junit4]   2> 227395 INFO  
(OverseerCollectionConfigSetProcessor-94828014325006339-127.0.0.1:33386_solr-n_0000000000)
 [    ] o.a.s.c.OverseerTaskProcessor Process current queue of overseer 
operations
   [junit4]   2> 227396 INFO  (Thread-535) [    ] o.a.s.c.c.SolrZkClient Using 
default ZkCredentialsProvider
   [junit4]   2> 227396 INFO  (Thread-535) [    ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 227401 INFO  (zkCallback-134-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@54ad1393 
name:ZooKeeperConnection Watcher:127.0.0.1:33386/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 227401 INFO  (Thread-535) [    ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 227401 INFO  (Thread-535) [    ] o.a.s.c.c.SolrZkClient Using 
default ZkACLProvider
   [junit4]   2> 227401 INFO  (Thread-535) [    ] o.a.s.c.Overseer Overseer 
(id=94828014325006339-127.0.0.1:33386_solr-n_0000000000) closing
   [junit4]   2> 227401 INFO  
(OverseerCollectionConfigSetProcessor-94828014325006339-127.0.0.1:33386_solr-n_0000000000)
 [    ] o.a.s.c.OverseerTaskProcessor According to ZK I 
(id=94828014325006339-127.0.0.1:33386_solr-n_0000000000) am no longer a leader.
   [junit4]   2> 227401 INFO  
(OverseerStateUpdate-94828014325006339-127.0.0.1:33386_solr-n_0000000000) [    
] o.a.s.c.Overseer According to ZK I 
(id=94828014325006339-127.0.0.1:33386_solr-n_0000000000) am no longer a leader.
   [junit4]   2> 227401 INFO  
(OverseerStateUpdate-94828014325006339-127.0.0.1:33386_solr-n_0000000000) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:33386_solr
   [junit4]   2> 227401 ERROR 
(OverseerHdfsCoreFailoverThread-94828014325006339-127.0.0.1:33386_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:732)
   [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:108)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)
   [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:725)
   [junit4]   2>        ... 3 more
   [junit4]   2> 
   [junit4]   2> 227402 ERROR 
(OverseerCollectionConfigSetProcessor-94828014325006339-127.0.0.1:33386_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$6.execute(SolrZkClient.java:333)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:333)
   [junit4]   2>        at 
org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:310)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTaskQueue.getTailId(OverseerTaskQueue.java:270)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:144)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:745)
   [junit4]   2> 
   [junit4]   2> 227402 ERROR 
(OverseerCollectionConfigSetProcessor-94828014325006339-127.0.0.1:33386_solr-n_0000000000)
 [    ] o.a.s.c.OverseerTaskProcessor Unable to prioritize overseer 
   [junit4]   2> org.apache.zookeeper.KeeperException$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$5.execute(SolrZkClient.java:316)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:316)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerNodePrioritizer.prioritizeOverseerNodes(OverseerNodePrioritizer.java:59)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:159)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:745)
   [junit4]   2> 227402 INFO  (Thread-535) [    ] o.a.s.u.UpdateShardHandler 
Creating UpdateShardHandler HTTP client with params: 
socketTimeout=600000&connTimeout=60000&retry=true
   [junit4]   2> 227406 ERROR (OverseerExitThread) [    ] o.a.s.c.Overseer 
could not read the data
   [junit4]   2> org.apache.zookeeper.KeeperException$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$7.execute(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:304)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.access$300(Overseer.java:87)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater$2.run(Overseer.java:265)
   [junit4]   2> 227407 INFO  (Thread-535) [    ] o.a.s.c.Overseer Overseer 
(id=null) closing
   [junit4]   2> 227408 INFO  (Thread-535) [    ] o.a.s.c.LeaderElector Joined 
leadership election with path: 
/overseer_elect/election/94828014325006341-127.0.0.1:33386_solr-n_0000000001
   [junit4]   2> 227408 INFO  (Thread-535) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:33386_solr
   [junit4]   2> 227408 INFO  (Thread-535) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer_elect/leader
   [junit4]   2> 227409 INFO  (Thread-535) [    ] o.a.s.c.Overseer Overseer 
(id=94828014325006341-127.0.0.1:33386_solr-n_0000000001) starting
   [junit4]   2> 227415 INFO  (Thread-535) [    ] 
o.a.s.c.OverseerAutoReplicaFailoverThread Starting 
OverseerAutoReplicaFailoverThread autoReplicaFailoverWorkLoopDelay=10000 
autoReplicaFailoverWaitAfterExpiration=30000 
autoReplicaFailoverBadNodeExpiration=60000
   [junit4]   2> 227415 INFO  
(OverseerCollectionConfigSetProcessor-94828014325006341-127.0.0.1:33386_solr-n_0000000001)
 [    ] o.a.s.c.OverseerTaskProcessor Process current queue of overseer 
operations
   [junit4]   2> 227415 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_solr-n_0000000001) [    
] o.a.s.c.Overseer Starting to work on the main queue
   [junit4]   2> 227416 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_solr-n_0000000001) [    
] o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 227418 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_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> 227419 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_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> 227419 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_solr-n_0000000001) [    
] o.a.s.c.o.ClusterStateMutator building a new cName: collection1
   [junit4]   2> 227419 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator Assigning new node to shard shard=shard1
   [junit4]   2> 227420 INFO  (zkCallback-134-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> 227420 INFO  (zkCallback-131-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> 227884 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 227885 INFO  (zkCallback-131-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A collections change: WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/collections, has occurred - updating...
   [junit4]   2> 227885 INFO  (zkCallback-134-thread-1) [    ] 
o.a.s.c.c.ZkStateReader A collections change: WatchedEvent state:SyncConnected 
type:NodeChildrenChanged path:/collections, has occurred - updating...
   [junit4]   2> 227888 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/94828014325006340-node1_core1-n_0000000000
   [junit4]   2> 227889 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /collections/collection1/leaders/shard1
   [junit4]   2> 227891 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node
   [junit4]   2> 227893 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_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"} current state version: 1
   [junit4]   2> 227897 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 227898 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_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> 227899 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_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> 227899 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 227900 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/94828014325006340-node1_core1-n_0000000001
   [junit4]   2> 227901 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector was going to be leader 
/collections/collection1/leader_elect/shard1/election/94828014325006340-node1_core1-n_0000000001
 , seq(0) 
/collections/collection1/leader_elect/shard1/election/94828014325006340-node1_core1-n_0000000000
   [junit4]   2> 227901 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 227901 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 227905 INFO  (zkCallback-136-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@79654342 
name:ZooKeeperConnection Watcher:127.0.0.1:33386/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 227905 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 227905 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 227907 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 227909 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /live_nodes/node2
   [junit4]   2> 227910 INFO  (zkCallback-134-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> 227910 INFO  (zkCallback-131-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> 227910 INFO  (zkCallback-136-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> 227912 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 227912 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_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> 227913 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_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> 227913 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 227915 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/94828014325006340-node1_core1-n_0000000002
   [junit4]   2> 227915 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector was going to be leader 
/collections/collection1/leader_elect/shard1/election/94828014325006340-node1_core1-n_0000000002
 , seq(0) 
/collections/collection1/leader_elect/shard1/election/94828014325006340-node1_core1-n_0000000000
   [junit4]   2> 227915 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 228015 INFO  (zkCallback-128-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> 228015 INFO  (zkCallback-131-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> 228016 INFO  (zkCallback-136-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> 228016 INFO  (zkCallback-134-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> 228120 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_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> 228121 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_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> 228121 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator Collection already exists with numShards=1
   [junit4]   2> 228121 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator Assigning new node to shard shard=shard1
   [junit4]   2> 228223 INFO  (zkCallback-128-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> 228223 INFO  (zkCallback-136-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> 228224 INFO  (zkCallback-134-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> 228224 INFO  (zkCallback-131-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> 228620 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 228623 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/94828014325006342-node2_core4-n_0000000003
   [junit4]   2> 228624 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector Watching path 
/collections/collection1/leader_elect/shard1/election/94828014325006340-node1_core1-n_0000000002
 to know if I could be the leader
   [junit4]   2> 228624 INFO  (zkCallback-128-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> 228624 INFO  (zkCallback-134-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> 228624 INFO  (zkCallback-136-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> 228625 INFO  (zkCallback-131-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> 228628 INFO  (zkCallback-136-thread-1) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node
   [junit4]   2> 228631 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_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"} current state version: 3
   [junit4]   2> 228733 INFO  (zkCallback-136-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> 228733 INFO  (zkCallback-134-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> 228733 INFO  (zkCallback-128-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> 230125 WARN  (zkCallback-131-thread-1) [    ] 
o.a.s.c.c.ZkStateReader ZooKeeper watch triggered, but Solr cannot talk to ZK
   [junit4]   2> 230126 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 230127 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 230129 INFO  (zkCallback-137-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@d3048da name:ZooKeeperConnection 
Watcher:127.0.0.1:33386/solr got event WatchedEvent state:SyncConnected 
type:None path:null path:null type:None
   [junit4]   2> 230129 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 230129 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 230130 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 230132 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /live_nodes/node1
   [junit4]   2> 230133 INFO  (zkCallback-136-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> 230133 INFO  (zkCallback-134-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> 230133 INFO  (zkCallback-128-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> 230133 INFO  (zkCallback-137-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> 230135 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 230136 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_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> 230136 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_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> 230136 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_solr-n_0000000001) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 230137 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/94828014325006343-node1_core1-n_0000000004
   [junit4]   2> 230138 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector Watching path 
/collections/collection1/leader_elect/shard1/election/94828014325006342-node2_core4-n_0000000003
 to know if I could be the leader
   [junit4]   2> 230138 INFO  (zkCallback-136-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> 230138 INFO  (zkCallback-128-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> 230138 INFO  (zkCallback-134-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> 230139 INFO  (zkCallback-137-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> 230141 INFO  (zkCallback-137-thread-2) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node
   [junit4]   2> 230143 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_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"} current state version: 4
   [junit4]   2> 230222 INFO  (Thread-535) [    ] o.a.s.SolrTestCaseJ4 Killing 
overseer.
   [junit4]   2> 230224 INFO  (Thread-535) [    ] o.a.s.c.c.SolrZkClient Using 
default ZkCredentialsProvider
   [junit4]   2> 230224 INFO  (Thread-535) [    ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 230228 INFO  (zkCallback-138-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@57960334 
name:ZooKeeperConnection Watcher:127.0.0.1:33386/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 230228 INFO  (Thread-535) [    ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 230228 INFO  (Thread-535) [    ] o.a.s.c.c.SolrZkClient Using 
default ZkACLProvider
   [junit4]   2> 230228 INFO  (Thread-535) [    ] o.a.s.c.Overseer Overseer 
(id=94828014325006341-127.0.0.1:33386_solr-n_0000000001) closing
   [junit4]   2> 230228 INFO  
(OverseerStateUpdate-94828014325006341-127.0.0.1:33386_solr-n_0000000001) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:33386_solr
   [junit4]   2> 230228 INFO  (Thread-535) [    ] o.a.s.u.UpdateShardHandler 
Creating UpdateShardHandler HTTP client with params: 
socketTimeout=600000&connTimeout=60000&retry=true
   [junit4]   2> 230234 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$7.execute(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:304)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.access$300(Overseer.java:87)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater$2.run(Overseer.java:265)
   [junit4]   2> 230234 INFO  (Thread-535) [    ] o.a.s.c.Overseer Overseer 
(id=null) closing
   [junit4]   2> 230236 INFO  (Thread-535) [    ] o.a.s.c.LeaderElector Joined 
leadership election with path: 
/overseer_elect/election/94828014325006344-127.0.0.1:33386_solr-n_0000000002
   [junit4]   2> 230236 INFO  (Thread-535) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:33386_solr
   [junit4]   2> 230236 INFO  (Thread-535) [    ] o.a.s.c.c.SolrZkClient 
makePath: /overseer_elect/leader
   [junit4]   2> 230237 INFO  (Thread-535) [    ] o.a.s.c.Overseer Overseer 
(id=94828014325006344-127.0.0.1:33386_solr-n_0000000002) starting
   [junit4]   2> 230243 INFO  (Thread-535) [    ] 
o.a.s.c.OverseerAutoReplicaFailoverThread Starting 
OverseerAutoReplicaFailoverThread autoReplicaFailoverWorkLoopDelay=10000 
autoReplicaFailoverWaitAfterExpiration=30000 
autoReplicaFailoverBadNodeExpiration=60000
   [junit4]   2> 230244 INFO  
(OverseerCollectionConfigSetProcessor-94828014325006344-127.0.0.1:33386_solr-n_0000000002)
 [    ] o.a.s.c.OverseerTaskProcessor Process current queue of overseer 
operations
   [junit4]   2> 230244 INFO  
(OverseerStateUpdate-94828014325006344-127.0.0.1:33386_solr-n_0000000002) [    
] o.a.s.c.Overseer Starting to work on the main queue
   [junit4]   2> 230245 INFO  
(OverseerStateUpdate-94828014325006344-127.0.0.1:33386_solr-n_0000000002) [    
] o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 230247 INFO  
(OverseerStateUpdate-94828014325006344-127.0.0.1:33386_solr-n_0000000002) [    
] 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> 230247 INFO  
(OverseerStateUpdate-94828014325006344-127.0.0.1:33386_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> 230248 INFO  
(OverseerStateUpdate-94828014325006344-127.0.0.1:33386_solr-n_0000000002) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 230248 INFO  (zkCallback-128-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> 230248 INFO  (zkCallback-138-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> 230248 INFO  (zkCallback-137-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> 230251 INFO  
(OverseerStateUpdate-94828014325006344-127.0.0.1:33386_solr-n_0000000002) [    
] 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> 230251 INFO  (zkCallback-137-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> 230251 INFO  (zkCallback-128-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> 230251 INFO  (zkCallback-138-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> 231638 WARN  (zkCallback-136-thread-1) [    ] 
o.a.s.c.c.ZkStateReader ZooKeeper watch triggered, but Solr cannot talk to ZK
   [junit4]   2> 231640 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 231641 INFO  
(OverseerStateUpdate-94828014325006344-127.0.0.1:33386_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> 231641 INFO  
(OverseerStateUpdate-94828014325006344-127.0.0.1:33386_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> 231641 INFO  
(OverseerStateUpdate-94828014325006344-127.0.0.1:33386_solr-n_0000000002) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 231643 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/94828014325006343-node1_core1-n_0000000005
   [junit4]   2> 231643 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector was going to be leader 
/collections/collection1/leader_elect/shard1/election/94828014325006343-node1_core1-n_0000000005
 , seq(0) 
/collections/collection1/leader_elect/shard1/election/94828014325006343-node1_core1-n_0000000004
   [junit4]   2> 231644 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 231644 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 231649 INFO  (zkCallback-140-thread-1) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@597e9afa 
name:ZooKeeperConnection Watcher:127.0.0.1:33386/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 231649 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 231650 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 231651 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 231653 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /live_nodes/node2
   [junit4]   2> 231654 INFO  (zkCallback-137-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> 231654 INFO  (zkCallback-128-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> 231654 INFO  (zkCallback-138-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> 231654 INFO  (zkCallback-140-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> 231657 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 231657 INFO  
(OverseerStateUpdate-94828014325006344-127.0.0.1:33386_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> 231658 INFO  
(OverseerStateUpdate-94828014325006344-127.0.0.1:33386_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> 231658 INFO  
(OverseerStateUpdate-94828014325006344-127.0.0.1:33386_solr-n_0000000002) [    
] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 231662 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection1/leader_elect/shard1/election/94828014325006343-node1_core1-n_0000000006
   [junit4]   2> 231663 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector was going to be leader 
/collections/collection1/leader_elect/shard1/election/94828014325006343-node1_core1-n_0000000006
 , seq(0) 
/collections/collection1/leader_elect/shard1/election/94828014325006343-node1_core1-n_0000000004
   [junit4]   2> 231665 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 231666 INFO  
(OverseerStateUpdate-94828014325006344-127.0.0.1:33386_solr-n_0000000002) [    ]

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

r registration node
   [junit4]   2> 275009 INFO  
(OverseerStateUpdate-94828017262329859-127.0.0.1:43099_solr-n_0000000000) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"leader",
   [junit4]   2>   "shard":"shard3",
   [junit4]   2>   "collection":"collection2",
   [junit4]   2>   "base_url":"http://127.0.0.1/solr/";,
   [junit4]   2>   "core":"core2"} current state version: 6
   [junit4]   2> 275010 INFO  
(OverseerStateUpdate-94828017262329859-127.0.0.1:43099_solr-n_0000000000) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"127.0.0.1",
   [junit4]   2>   "core":"core3",
   [junit4]   2>   "core_node_name":"node3",
   [junit4]   2>   "collection":"collection2",
   [junit4]   2>   "numShards":"3",
   [junit4]   2>   "base_url":"http://127.0.0.1/solr/"} current state version: 6
   [junit4]   2> 275011 INFO  
(OverseerStateUpdate-94828017262329859-127.0.0.1:43099_solr-n_0000000000) [    
] o.a.s.c.o.ReplicaMutator Update state numShards=3 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"127.0.0.1",
   [junit4]   2>   "core":"core3",
   [junit4]   2>   "core_node_name":"node3",
   [junit4]   2>   "collection":"collection2",
   [junit4]   2>   "numShards":"3",
   [junit4]   2>   "base_url":"http://127.0.0.1/solr/"}
   [junit4]   2> 275011 INFO  
(OverseerStateUpdate-94828017262329859-127.0.0.1:43099_solr-n_0000000000) [    
] o.a.s.c.o.ReplicaMutator Collection already exists with numShards=3
   [junit4]   2> 275011 INFO  
(OverseerStateUpdate-94828017262329859-127.0.0.1:43099_solr-n_0000000000) [    
] o.a.s.c.o.ReplicaMutator Assigning new node to shard shard=shard1
   [junit4]   2> 275114 INFO  (zkCallback-228-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> 275114 INFO  (zkCallback-231-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> 275114 INFO  (zkCallback-229-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> 275510 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: 
/collections/collection2/leader_elect/shard1/election
   [junit4]   2> 275514 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.LeaderElector Joined leadership election with path: 
/collections/collection2/leader_elect/shard1/election/94828017262329860-127.0.0.1_core3-n_0000000000
   [junit4]   2> 275514 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.c.SolrZkClient makePath: /collections/collection2/leaders/shard1
   [junit4]   2> 275516 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node
   [junit4]   2> 275519 INFO  
(OverseerStateUpdate-94828017262329859-127.0.0.1:43099_solr-n_0000000000) [    
] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"leader",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection2",
   [junit4]   2>   "base_url":"http://127.0.0.1/solr/";,
   [junit4]   2>   "core":"core3"} current state version: 7
   [junit4]   2> 275622 INFO  (zkCallback-231-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> 275622 INFO  (zkCallback-228-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> 275622 INFO  (zkCallback-229-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> 275670 INFO  (zkCallback-231-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> 275670 INFO  (zkCallback-229-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> 277171 WARN  (zkCallback-231-thread-1) [    ] 
o.a.s.c.c.ZkStateReader ZooKeeper watch triggered, but Solr cannot talk to ZK
   [junit4]   2> 277173 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1:43099 43099
   [junit4]   2> 277348 INFO  (Thread-544) [    ] o.a.s.c.ZkTestServer 
connecting to 127.0.0.1:43099 43099
   [junit4]   2> 277350 WARN  (Thread-544) [    ] o.a.s.c.ZkTestServer Watch 
limit violations: 
   [junit4]   2> Maximum concurrent create/delete watches above limit:
   [junit4]   2> 
   [junit4]   2>        3       /solr/aliases.json
   [junit4]   2> 
   [junit4]   2> Maximum concurrent data watches above limit:
   [junit4]   2> 
   [junit4]   2>        3       /solr/clusterstate.json
   [junit4]   2> 
   [junit4]   2> Maximum concurrent children watches above limit:
   [junit4]   2> 
   [junit4]   2>        3       /solr/live_nodes
   [junit4]   2>        3       /solr/collections
   [junit4]   2> 
   [junit4]   2> 277350 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.SolrTestCaseJ4 ###Ending testBadQueueItem
   [junit4]   2> 277350 INFO  
(TEST-OverseerTest.testBadQueueItem-seed#[DE98B1F8611F4A97]) [    ] 
o.a.s.c.Overseer Overseer 
(id=94828017262329859-127.0.0.1:43099_solr-n_0000000000) closing
   [junit4]   2> 277350 INFO  
(OverseerStateUpdate-94828017262329859-127.0.0.1:43099_solr-n_0000000000) [    
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:43099_solr
   [junit4]   2> 277351 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$7.execute(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:350)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:304)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.access$300(Overseer.java:87)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater$2.run(Overseer.java:265)
   [junit4]   2> 280352 INFO  
(SUITE-OverseerTest-seed#[DE98B1F8611F4A97]-worker) [    ] o.a.s.SolrTestCaseJ4 
###deleteCore
   [junit4]   2> NOTE: leaving temporary files on disk at: 
/x1/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-trunk-Java8/solr/build/solr-core/test/J2/temp/solr.cloud.OverseerTest_DE98B1F8611F4A97-001
   [junit4]   2> NOTE: test params are: codec=Asserting(Lucene60): {}, 
docValues:{}, sim=RandomSimilarityProvider(queryNorm=false,coord=yes): {}, 
locale=zh_SG, timezone=America/Kralendijk
   [junit4]   2> NOTE: Linux 3.13.0-52-generic amd64/Oracle Corporation 
1.8.0_66 (64-bit)/cpus=4,threads=1,free=191226424,total=523239424
   [junit4]   2> NOTE: All tests run in this JVM: [StatsComponentTest, 
MultiThreadedOCPTest, TestRandomRequestDistribution, TestBulkSchemaAPI, 
SimpleCollectionCreateDeleteTest, CachingDirectoryFactoryTest, 
BadComponentTest, HdfsUnloadDistributedZkTest, DeleteReplicaTest, 
HighlighterConfigTest, TestDistributedMissingSort, OverseerTest]
   [junit4] Completed [38/555] on J2 in 58.53s, 12 tests, 1 failure, 1 skipped 
<<< FAILURES!

[...truncated 1677 lines...]
BUILD FAILED
/x1/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-trunk-Java8/build.xml:775:
 The following error occurred while executing this line:
/x1/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-trunk-Java8/build.xml:719:
 The following error occurred while executing this line:
/x1/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-trunk-Java8/build.xml:59: 
The following error occurred while executing this line:
/x1/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-trunk-Java8/solr/build.xml:233:
 The following error occurred while executing this line:
/x1/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-trunk-Java8/solr/common-build.xml:516:
 The following error occurred while executing this line:
/x1/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-trunk-Java8/lucene/common-build.xml:1432:
 The following error occurred while executing this line:
/x1/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-trunk-Java8/lucene/common-build.xml:987:
 There were test failures: 555 suites (8 ignored), 2200 tests, 1 failure, 81 
ignored (67 assumptions) [seed: DE98B1F8611F4A97]

Total time: 58 minutes 54 seconds
Build step 'Invoke Ant' marked build as failure
Archiving artifacts
Recording test results
Email was triggered for: Failure - Any
Sending email for trigger: Failure - Any


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