Build: https://builds.apache.org/job/Lucene-Solr-NightlyTests-4.x/590/

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

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

Stack Trace:
org.apache.solr.common.SolrException: Could not register as the leader because 
creating the ephemeral registration node in ZooKeeper failed
        at 
__randomizedtesting.SeedInfo.seed([53BB0B78D4E89FC5:57B3848BC64D70E4]:0)
        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase.runLeaderProcess(ElectionContext.java:144)
        at 
org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:163)
        at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:125)
        at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:155)
        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:314)
        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:221)
        at 
org.apache.solr.cloud.OverseerTest$MockZKController.publishState(OverseerTest.java:155)
        at 
org.apache.solr.cloud.OverseerTest.testOverseerFailure(OverseerTest.java:660)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1618)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:827)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:863)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:877)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:53)
        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:50)
        at 
org.apache.lucene.util.TestRuleFieldCacheSanity$1.evaluate(TestRuleFieldCacheSanity.java:51)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:46)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
        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:365)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:798)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:458)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:836)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$3.evaluate(RandomizedRunner.java:738)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$4.evaluate(RandomizedRunner.java:772)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:783)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:53)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:46)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:42)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39)
        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:43)
        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:365)
        at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode = 
NodeExists for /collections/collection1/leaders/shard1
        at 
org.apache.solr.common.util.RetryUtil.retryOnThrowable(RetryUtil.java:40)
        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase.runLeaderProcess(ElectionContext.java:131)
        ... 48 more
Caused by: org.apache.zookeeper.KeeperException$NodeExistsException: 
KeeperErrorCode = NodeExists for /collections/collection1/leaders/shard1
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:119)
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
        at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783)
        at 
org.apache.solr.common.cloud.SolrZkClient$11.execute(SolrZkClient.java:457)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:73)
        at 
org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:454)
        at 
org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:411)
        at 
org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:398)
        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase$1.execute(ElectionContext.java:136)
        at 
org.apache.solr.common.util.RetryUtil.retryOnThrowable(RetryUtil.java:34)
        ... 49 more


FAILED:  org.apache.solr.cloud.MultiThreadedOCPTest.testDistribSearch

Error Message:
We have a failed SPLITSHARD task

Stack Trace:
java.lang.AssertionError: We have a failed SPLITSHARD task
        at 
__randomizedtesting.SeedInfo.seed([53BB0B78D4E89FC5:D25D8560A3B7FFF9]:0)
        at org.junit.Assert.fail(Assert.java:93)
        at org.junit.Assert.assertTrue(Assert.java:43)
        at 
org.apache.solr.cloud.MultiThreadedOCPTest.testTaskExclusivity(MultiThreadedOCPTest.java:125)
        at 
org.apache.solr.cloud.MultiThreadedOCPTest.doTest(MultiThreadedOCPTest.java:71)
        at 
org.apache.solr.BaseDistributedSearchTestCase.testDistribSearch(BaseDistributedSearchTestCase.java:867)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1618)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:827)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:863)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:877)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:53)
        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:50)
        at 
org.apache.lucene.util.TestRuleFieldCacheSanity$1.evaluate(TestRuleFieldCacheSanity.java:51)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:46)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
        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:365)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:798)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:458)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:836)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$3.evaluate(RandomizedRunner.java:738)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$4.evaluate(RandomizedRunner.java:772)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:783)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:53)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:46)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:42)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39)
        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:43)
        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:365)
        at java.lang.Thread.run(Thread.java:745)




Build Log:
[...truncated 11473 lines...]
   [junit4] Suite: org.apache.solr.cloud.OverseerTest
   [junit4]   2> Creating dataDir: 
/usr/home/hudson/hudson-slave/workspace/Lucene-Solr-NightlyTests-4.x/solr/build/solr-core/test/J0/./solr.cloud.OverseerTest-53BB0B78D4E89FC5-001/init-core-data-001
   [junit4]   2> 132304 T483 oas.SolrTestCaseJ4.buildSSLConfig Randomized ssl 
(false) and clientAuth (true)
   [junit4]   2> 132304 T483 oas.SolrTestCaseJ4.initCore ####initCore
   [junit4]   2> 132304 T483 oas.SolrTestCaseJ4.initCore ####initCore end
   [junit4]   2> 132309 T483 oas.SolrTestCaseJ4.setUp ###Starting testReplay
   [junit4]   2> 132322 T483 oasc.ZkTestServer.run STARTING ZK TEST SERVER
   [junit4]   1> client port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 132331 T484 oasc.ZkTestServer$ZKServerMain.runFromConfig 
Starting server
   [junit4]   2> 132531 T483 oasc.ZkTestServer.run start zk server on port:34561
   [junit4]   2> 132866 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 132915 T485 oazs.NIOServerCnxn.doIO WARN Exception causing 
close of session 0x0 due to java.io.IOException: ZooKeeperServer not running
   [junit4]   2> 134169 T490 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@2338eb14 
name:ZooKeeperConnection Watcher:127.0.0.1:34561/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 134169 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 134176 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 134179 T492 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@71ba2933 
name:ZooKeeperConnection Watcher:127.0.0.1:34561 got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 134179 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 134264 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 134266 T494 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@b224c45 name:ZooKeeperConnection 
Watcher:127.0.0.1:34561 got event WatchedEvent state:SyncConnected type:None 
path:null path:null type:None
   [junit4]   2> 134267 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 134273 T483 oascc.SolrZkClient.makePath makePath: /solr
   [junit4]   2> 134300 T483 oascc.SolrZkClient.makePath makePath: /live_nodes
   [junit4]   2> 134324 T483 oascc.SolrZkClient.makePath makePath: 
/clusterstate.json
   [junit4]   2> 134327 T483 oascc.SolrZkClient.makePath makePath: /aliases.json
   [junit4]   2> 134329 T483 
oascc.ZkStateReader.createClusterStateWatchersAndUpdate Updating cluster state 
from ZooKeeper... 
   [junit4]   2> 134420 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/queue-work
   [junit4]   2> 134433 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 134435 T496 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@2f1cf161 
name:ZooKeeperConnection Watcher:127.0.0.1:34561/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 134435 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 134443 T483 oascc.SolrZkClient.makePath makePath: 
/overseer_elect
   [junit4]   2> 134446 T483 oascc.SolrZkClient.makePath makePath: 
/overseer_elect/election
   [junit4]   2> 134476 T483 oasc.OverseerElectionContext.runLeaderProcess I am 
going to be the leader 127.0.0.1:34561_solr
   [junit4]   2> 134477 T483 oascc.SolrZkClient.makePath makePath: 
/overseer_elect/leader
   [junit4]   2> 134480 T483 oasc.Overseer.start Overseer 
(id=92213278593843203-127.0.0.1:34561_solr-n_0000000000) starting
   [junit4]   2> 134508 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/queue
   [junit4]   2> 134520 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/collection-map-failure
   [junit4]   2> 134524 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/collection-map-running
   [junit4]   2> 134528 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/collection-map-completed
   [junit4]   2> 134551 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/collection-queue-work
   [junit4]   2> 134560 T498 oasc.OverseerCollectionProcessor.run Process 
current queue of collection creations
   [junit4]   2> 134575 T497 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 134576 T497 oasc.Overseer$ClusterStateUpdater.run Replaying 
operations from work queue.
   [junit4]   2> 134577 T497 oasc.Overseer$ClusterStateUpdater.updateState 
Update state numShards=null message={
   [junit4]   2>          "operation":"state",
   [junit4]   2>          "base_url":"http://127.0.0.1/solr";,
   [junit4]   2>          "node_name":"node1",
   [junit4]   2>          "shard":"s1",
   [junit4]   2>          "collection":"collection1",
   [junit4]   2>          "core":"core1",
   [junit4]   2>          "roles":"",
   [junit4]   2>          "state":"recovering"}
   [junit4]   2> 134641 T497 oasc.Overseer$ClusterStateUpdater.updateState 
Update state numShards=null message={
   [junit4]   2>          "operation":"state",
   [junit4]   2>          "base_url":"http://127.0.0.1/solr";,
   [junit4]   2>          "node_name":"node1",
   [junit4]   2>          "shard":"s1",
   [junit4]   2>          "collection":"collection1",
   [junit4]   2>          "core":"core2",
   [junit4]   2>          "roles":"",
   [junit4]   2>          "state":"recovering"}
   [junit4]   2> 134642 T499 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 0)
   [junit4]   2> 134645 T497 oasc.Overseer$ClusterStateUpdater.run Starting to 
work on the main queue
   [junit4]   2> 134648 T497 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 134649 T497 oasc.Overseer$ClusterStateUpdater.updateState 
Update state numShards=null message={
   [junit4]   2>          "operation":"state",
   [junit4]   2>          "base_url":"http://127.0.0.1/solr";,
   [junit4]   2>          "node_name":"node1",
   [junit4]   2>          "shard":"s1",
   [junit4]   2>          "collection":"collection1",
   [junit4]   2>          "core":"core3",
   [junit4]   2>          "roles":"",
   [junit4]   2>          "state":"recovering"}
   [junit4]   2> 134653 T500 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 134756 T499 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 0)
   [junit4]   2> 134770 T483 oasc.ZkTestServer.send4LetterWord connecting to 
127.0.0.1:34561 34561
   [junit4]   2> 134889 T484 oasc.ZkTestServer.send4LetterWord connecting to 
127.0.0.1:34561 34561
   [junit4]   2> 134890 T483 oas.SolrTestCaseJ4.tearDown ###Ending testReplay
   [junit4]   2> 134891 T497 oasc.Overseer$ClusterStateUpdater.run Overseer 
Loop exiting : 127.0.0.1:34561_solr
   [junit4]   2> 134900 T483 oas.SolrTestCaseJ4.setUp ###Starting 
testDoubleAssignment
   [junit4]   2> 134902 T483 oasc.ZkTestServer.run STARTING ZK TEST SERVER
   [junit4]   1> client port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 134902 T502 oasc.ZkTestServer$ZKServerMain.runFromConfig 
Starting server
   [junit4]   2> 134904 T501 
oasc.Overseer$ClusterStateUpdater.checkIfIamStillLeader ERROR could not read 
the data 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$8.execute(SolrZkClient.java:302)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$8.execute(SolrZkClient.java:299)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:73)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:299)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:316)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.access$300(Overseer.java:85)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater$1.run(Overseer.java:288)
   [junit4]   2> 
   [junit4]   2> 135002 T483 oasc.ZkTestServer.run start zk server on port:34567
   [junit4]   2> 135003 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 135007 T508 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@102d0abe 
name:ZooKeeperConnection Watcher:127.0.0.1:34567/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 135007 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 135008 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 135009 T510 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@548dcd63 
name:ZooKeeperConnection Watcher:127.0.0.1:34567 got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 135010 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 135012 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 135014 T512 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@17373182 
name:ZooKeeperConnection Watcher:127.0.0.1:34567 got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 135014 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 135014 T483 oascc.SolrZkClient.makePath makePath: /solr
   [junit4]   2> 135018 T483 oascc.SolrZkClient.makePath makePath: /live_nodes
   [junit4]   2> 135021 T483 oascc.SolrZkClient.makePath makePath: 
/clusterstate.json
   [junit4]   2> 135024 T483 oascc.SolrZkClient.makePath makePath: /aliases.json
   [junit4]   2> 135026 T483 
oascc.ZkStateReader.createClusterStateWatchersAndUpdate Updating cluster state 
from ZooKeeper... 
   [junit4]   2> 135035 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 135037 T514 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@24ff9528 
name:ZooKeeperConnection Watcher:127.0.0.1:34567/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 135037 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 135039 T483 
oascc.ZkStateReader.createClusterStateWatchersAndUpdate Updating cluster state 
from ZooKeeper... 
   [junit4]   2> 135042 T483 oascc.SolrZkClient.makePath makePath: 
/live_nodes/node1
   [junit4]   2> 135046 T515 oascc.ZkStateReader$3.process Updating live 
nodes... (1)
   [junit4]   2> 135046 T516 oascc.ZkStateReader$3.process Updating live 
nodes... (1)
   [junit4]   2> 135046 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 135048 T518 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@40af72ba 
name:ZooKeeperConnection Watcher:127.0.0.1:34567/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 135048 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 135049 T483 oascc.SolrZkClient.makePath makePath: 
/overseer_elect
   [junit4]   2> 135052 T483 oascc.SolrZkClient.makePath makePath: 
/overseer_elect/election
   [junit4]   2> 135058 T483 oasc.OverseerElectionContext.runLeaderProcess I am 
going to be the leader 127.0.0.1:34567_solr
   [junit4]   2> 135058 T483 oascc.SolrZkClient.makePath makePath: 
/overseer_elect/leader
   [junit4]   2> 135061 T483 oasc.Overseer.start Overseer 
(id=92213278738284548-127.0.0.1:34567_solr-n_0000000000) starting
   [junit4]   2> 135063 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/queue
   [junit4]   2> 135068 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/queue-work
   [junit4]   2> 135072 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/collection-map-failure
   [junit4]   2> 135076 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/collection-map-running
   [junit4]   2> 135081 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/collection-map-completed
   [junit4]   2> 135086 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/collection-queue-work
   [junit4]   2> 135093 T520 oasc.OverseerCollectionProcessor.run Process 
current queue of collection creations
   [junit4]   2> 135095 T519 oasc.Overseer$ClusterStateUpdater.run Starting to 
work on the main queue
   [junit4]   2> 135098 T519 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 135099 T519 oasc.Overseer$ClusterStateUpdater.updateState 
Update state numShards=1 message={
   [junit4]   2>          "operation":"state",
   [junit4]   2>          "state":"recovering",
   [junit4]   2>          "node_name":"node1",
   [junit4]   2>          "core":"core1",
   [junit4]   2>          "core_node_name":"core_node1",
   [junit4]   2>          "collection":"collection1",
   [junit4]   2>          "numShards":"1",
   [junit4]   2>          "base_url":"http://node1/solr/"}
   [junit4]   2> 135099 T519 oasc.Overseer$ClusterStateUpdater.createCollection 
Create collection collection1 with shards [shard1]
   [junit4]   2> 135111 T519 oasc.Overseer$ClusterStateUpdater.updateState 
Assigning new node to shard shard=shard1
   [junit4]   2> 135115 T521 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 135116 T515 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 135116 T516 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 135598 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 135628 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 135636 T521 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 135636 T483 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 135638 T519 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 135639 T516 oascc.ZkStateReader$3.process Updating live 
nodes... (0)
   [junit4]   2> 135639 T515 oascc.ZkStateReader$3.process Updating live 
nodes... (0)
   [junit4]   2> 135641 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 135643 T523 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@3b702644 
name:ZooKeeperConnection Watcher:127.0.0.1:34567/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 135643 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 135645 T483 
oascc.ZkStateReader.createClusterStateWatchersAndUpdate Updating cluster state 
from ZooKeeper... 
   [junit4]   2> 135648 T521 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 135648 T483 oascc.SolrZkClient.makePath makePath: 
/live_nodes/node1
   [junit4]   2> 135652 T516 oascc.ZkStateReader$3.process Updating live 
nodes... (1)
   [junit4]   2> 135652 T524 oascc.ZkStateReader$3.process Updating live 
nodes... (1)
   [junit4]   2> 135654 T521 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 135654 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 135655 T519 oasc.Overseer$ClusterStateUpdater.updateState 
Update state numShards=1 message={
   [junit4]   2>          "operation":"state",
   [junit4]   2>          "state":"recovering",
   [junit4]   2>          "node_name":"node1",
   [junit4]   2>          "core":"core1",
   [junit4]   2>          "core_node_name":"core_node1",
   [junit4]   2>          "collection":"collection1",
   [junit4]   2>          "numShards":"1",
   [junit4]   2>          "base_url":"http://node1/solr/"}
   [junit4]   2> 135656 T519 oasc.Overseer$ClusterStateUpdater.updateState 
shard=shard1 is already registered
   [junit4]   2> 135659 T521 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 135662 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 135668 T521 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 135672 T521 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 135775 T524 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 135775 T516 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 135776 T483 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 135780 T516 oascc.ZkStateReader$3.process Updating live 
nodes... (0)
   [junit4]   2> 135780 T524 oascc.ZkStateReader$3.process Updating live 
nodes... (0)
   [junit4]   2> 135782 T483 oasc.ZkTestServer.send4LetterWord connecting to 
127.0.0.1:34567 34567
   [junit4]   2> 135825 T502 oasc.ZkTestServer.send4LetterWord connecting to 
127.0.0.1:34567 34567
   [junit4]   2> 135826 T483 oas.SolrTestCaseJ4.tearDown ###Ending 
testDoubleAssignment
   [junit4]   2> 135826 T519 oasc.Overseer$ClusterStateUpdater.run Overseer 
Loop exiting : 127.0.0.1:34567_solr
   [junit4]   2> 135827 T525 
oasc.Overseer$ClusterStateUpdater.checkIfIamStillLeader ERROR could not read 
the data org.apache.zookeeper.KeeperException$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$8.execute(SolrZkClient.java:302)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$8.execute(SolrZkClient.java:299)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:73)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:299)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:316)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.access$300(Overseer.java:85)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater$1.run(Overseer.java:288)
   [junit4]   2> 
   [junit4]   2> 135836 T483 oas.SolrTestCaseJ4.setUp ###Starting 
testOverseerFailure
   [junit4]   2> 135837 T483 oasc.ZkTestServer.run STARTING ZK TEST SERVER
   [junit4]   1> client port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 135837 T526 oasc.ZkTestServer$ZKServerMain.runFromConfig 
Starting server
   [junit4]   2> 135937 T483 oasc.ZkTestServer.run start zk server on port:34574
   [junit4]   2> 135938 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 135950 T532 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@65c9a3b8 
name:ZooKeeperConnection Watcher:127.0.0.1:34574 got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 135950 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 135953 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 135955 T534 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@6c78440 name:ZooKeeperConnection 
Watcher:127.0.0.1:34574 got event WatchedEvent state:SyncConnected type:None 
path:null path:null type:None
   [junit4]   2> 135955 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 135956 T483 oascc.SolrZkClient.makePath makePath: /solr
   [junit4]   2> 135960 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 135962 T536 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@26ebec38 
name:ZooKeeperConnection Watcher:127.0.0.1:34574/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 135962 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 135962 T483 oascc.SolrZkClient.makePath makePath: /live_nodes
   [junit4]   2> 135965 T483 oascc.SolrZkClient.makePath makePath: 
/clusterstate.json
   [junit4]   2> 135968 T483 oascc.SolrZkClient.makePath makePath: /aliases.json
   [junit4]   2> 135970 T483 
oascc.ZkStateReader.createClusterStateWatchersAndUpdate Updating cluster state 
from ZooKeeper... 
   [junit4]   2> 135974 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 135975 T538 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@3852eabd 
name:ZooKeeperConnection Watcher:127.0.0.1:34574/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 135976 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 135977 T483 
oascc.ZkStateReader.createClusterStateWatchersAndUpdate Updating cluster state 
from ZooKeeper... 
   [junit4]   2> 135981 T483 oascc.SolrZkClient.makePath makePath: 
/live_nodes/node1
   [junit4]   2> 135984 T539 oascc.ZkStateReader$3.process Updating live 
nodes... (1)
   [junit4]   2> 135984 T540 oascc.ZkStateReader$3.process Updating live 
nodes... (1)
   [junit4]   2> 135985 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 135986 T542 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@40beb5f0 
name:ZooKeeperConnection Watcher:127.0.0.1:34574/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 135987 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 135988 T483 oascc.SolrZkClient.makePath makePath: 
/overseer_elect
   [junit4]   2> 135991 T483 oascc.SolrZkClient.makePath makePath: 
/overseer_elect/election
   [junit4]   2> 135996 T483 oasc.OverseerElectionContext.runLeaderProcess I am 
going to be the leader 127.0.0.1:34574_solr
   [junit4]   2> 135997 T483 oascc.SolrZkClient.makePath makePath: 
/overseer_elect/leader
   [junit4]   2> 136000 T483 oasc.Overseer.start Overseer 
(id=92213278799495172-127.0.0.1:34574_solr-n_0000000000) starting
   [junit4]   2> 136002 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/queue
   [junit4]   2> 136006 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/queue-work
   [junit4]   2> 136010 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/collection-map-failure
   [junit4]   2> 136015 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/collection-map-running
   [junit4]   2> 136019 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/collection-map-completed
   [junit4]   2> 136023 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/collection-queue-work
   [junit4]   2> 136030 T544 oasc.OverseerCollectionProcessor.run Process 
current queue of collection creations
   [junit4]   2> 136032 T543 oasc.Overseer$ClusterStateUpdater.run Starting to 
work on the main queue
   [junit4]   2> 137034 T545 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 137036 T543 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 137037 T543 oasc.Overseer$ClusterStateUpdater.updateState 
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> 137037 T543 oasc.Overseer$ClusterStateUpdater.createCollection 
Create collection collection1 with shards [shard1]
   [junit4]   2> 137038 T543 oasc.Overseer$ClusterStateUpdater.updateState 
Assigning new node to shard shard=shard1
   [junit4]   2> 137041 T545 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 137042 T539 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 137042 T540 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 137534 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 137545 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 137552 T545 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 137553 T483 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 137554 T543 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 137557 T545 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 137557 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 137560 T543 oasc.Overseer$ClusterStateUpdater.updateState 
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> 137560 T543 oasc.Overseer$ClusterStateUpdater.updateState 
shard=shard1 is already registered
   [junit4]   2> 137563 T545 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 137666 T539 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 137666 T540 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 138035 T544 oasc.OverseerCollectionProcessor.run WARN Overseer 
cannot talk to ZK
   [junit4]   2> 138722 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 138731 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 138733 T547 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@5633c113 
name:ZooKeeperConnection Watcher:127.0.0.1:34574/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 138733 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 138733 T543 oasc.Overseer$ClusterStateUpdater.run Overseer 
Loop exiting : 127.0.0.1:34574_solr
   [junit4]   2> 138734 T548 
oasc.Overseer$ClusterStateUpdater.checkIfIamStillLeader ERROR could not read 
the data org.apache.zookeeper.KeeperException$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$8.execute(SolrZkClient.java:302)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$8.execute(SolrZkClient.java:299)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:73)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:299)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:316)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.access$300(Overseer.java:85)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater$1.run(Overseer.java:288)
   [junit4]   2> 
   [junit4]   2> 138738 T483 oasc.OverseerElectionContext.runLeaderProcess I am 
going to be the leader 127.0.0.1:34574_solr
   [junit4]   2> 138738 T483 oascc.SolrZkClient.makePath makePath: 
/overseer_elect/leader
   [junit4]   2> 138741 T483 oasc.Overseer.start Overseer 
(id=92213278799495173-127.0.0.1:34574_solr-n_0000000001) starting
   [junit4]   2> 138753 T550 oasc.OverseerCollectionProcessor.run Process 
current queue of collection creations
   [junit4]   2> 138755 T549 oasc.Overseer$ClusterStateUpdater.run Starting to 
work on the main queue
   [junit4]   2> 138757 T549 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 138758 T549 oasc.Overseer$ClusterStateUpdater.updateState 
Update state numShards=1 message={
   [junit4]   2>          "operation":"state",
   [junit4]   2>          "state":"recovering",
   [junit4]   2>          "node_name":"node1",
   [junit4]   2>          "core":"core1",
   [junit4]   2>          "core_node_name":"core_node1",
   [junit4]   2>          "collection":"collection1",
   [junit4]   2>          "numShards":"1",
   [junit4]   2>          "base_url":"http://node1/solr/"}
   [junit4]   2> 138759 T549 oasc.Overseer$ClusterStateUpdater.updateState 
shard=shard1 is already registered
   [junit4]   2> 138762 T551 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 138763 T540 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 138763 T539 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 138817 T551 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 138817 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 138819 T549 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 138824 T483 oasc.LeaderElector.checkIfIamLeader WARN Failed 
setting watch org.apache.zookeeper.KeeperException$NoNodeException: 
KeeperErrorCode = NoNode for 
/collections/collection1/leader_elect/shard1/election/92213278799495171-node1_core1-n_0000000002
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:111)
   [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$8.execute(SolrZkClient.java:302)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$8.execute(SolrZkClient.java:299)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:73)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:299)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:148)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:314)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:221)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest$MockZKController.publishState(OverseerTest.java:155)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest.testOverseerFailure(OverseerTest.java:660)
   [junit4]   2>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
   [junit4]   2>        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   [junit4]   2>        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]   2>        at java.lang.reflect.Method.invoke(Method.java:606)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1618)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:827)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:863)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:877)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:53)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:50)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleFieldCacheSanity$1.evaluate(TestRuleFieldCacheSanity.java:51)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:46)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:49)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:65)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:365)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:798)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:458)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:836)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$3.evaluate(RandomizedRunner.java:738)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$4.evaluate(RandomizedRunner.java:772)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:783)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:53)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:46)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:42)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:43)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:65)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:55)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:365)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:745)
   [junit4]   2> 
   [junit4]   2> 138827 T540 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 138828 T549 oasc.SolrException.log ERROR Problem cleaning up 
collection in 
zk:collection1:org.apache.zookeeper.KeeperException$NotEmptyException: 
KeeperErrorCode = Directory not empty for 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2>                at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:125)
   [junit4]   2>                at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>                at 
org.apache.zookeeper.ZooKeeper.delete(ZooKeeper.java:873)
   [junit4]   2>                at 
org.apache.solr.common.cloud.SolrZkClient$2.execute(SolrZkClient.java:184)
   [junit4]   2>                at 
org.apache.solr.common.cloud.SolrZkClient$2.execute(SolrZkClient.java:181)
   [junit4]   2>                at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:73)
   [junit4]   2>                at 
org.apache.solr.common.cloud.SolrZkClient.delete(SolrZkClient.java:181)
   [junit4]   2>                at 
org.apache.solr.common.cloud.SolrZkClient.clean(SolrZkClient.java:665)
   [junit4]   2>                at 
org.apache.solr.common.cloud.SolrZkClient.clean(SolrZkClient.java:660)
   [junit4]   2>                at 
org.apache.solr.common.cloud.SolrZkClient.clean(SolrZkClient.java:660)
   [junit4]   2>                at 
org.apache.solr.common.cloud.SolrZkClient.clean(SolrZkClient.java:660)
   [junit4]   2>                at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.removeCore(Overseer.java:1100)
   [junit4]   2>                at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.processMessage(Overseer.java:358)
   [junit4]   2>                at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:240)
   [junit4]   2>                at java.lang.Thread.run(Thread.java:745)
   [junit4]   2>        
   [junit4]   2> 138829 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 138829 T552 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 138831 T551 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 138834 T551 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 138835 T549 oasc.Overseer$ClusterStateUpdater.setShardLeader 
ERROR Could not mark shard leader for non existing collection:collection1
   [junit4]   2> 138838 T551 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 138941 T539 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 138941 T540 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 139833 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 139833 T552 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 140837 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 140838 T552 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 141842 T552 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 141842 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 142846 T552 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 142847 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 143851 T552 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 143852 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 144855 T552 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 144856 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 145859 T552 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 145860 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 146863 T552 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 146864 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 147867 T552 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 147869 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 148871 T552 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 148872 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 149875 T552 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 149876 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 150880 T552 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 150880 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 151884 T552 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 151884 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 152889 T552 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 152889 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 153893 T552 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 153893 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 153897 T552 oasc.LeaderElector$ElectionWatcher.process WARN  
org.apache.solr.common.SolrException: Could not register as the leader because 
creating the ephemeral registration node in ZooKeeper failed
   [junit4]   2>        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase.runLeaderProcess(ElectionContext.java:144)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:163)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:125)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.access$200(LeaderElector.java:55)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector$ElectionWatcher.process(LeaderElector.java:358)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$3$1.run(SolrZkClient.java:204)
   [junit4]   2>        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
   [junit4]   2>        at 
java.util.concurrent.FutureTask.run(FutureTask.java:262)
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:745)
   [junit4]   2> Caused by: org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode = 
NodeExists for /collections/collection1/leaders/shard1
   [junit4]   2>        at 
org.apache.solr.common.util.RetryUtil.retryOnThrowable(RetryUtil.java:40)
   [junit4]   2>        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase.runLeaderProcess(ElectionContext.java:131)
   [junit4]   2>        ... 10 more
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode = 
NodeExists for /collections/collection1/leaders/shard1
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:119)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$11.execute(SolrZkClient.java:457)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:73)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:454)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:411)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:398)
   [junit4]   2>        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase$1.execute(ElectionContext.java:136)
   [junit4]   2>        at 
org.apache.solr.common.util.RetryUtil.retryOnThrowable(RetryUtil.java:34)
   [junit4]   2>        ... 11 more
   [junit4]   2> 
   [junit4]   2> 153899 T540 oascc.ZkStateReader$3.process Updating live 
nodes... (0)
   [junit4]   2> 153900 T539 oascc.ZkStateReader$3.process Updating live 
nodes... (0)
   [junit4]   2> 153903 T483 oasc.ZkTestServer.send4LetterWord connecting to 
127.0.0.1:34574 34574
   [junit4]   2> 154022 T526 oasc.ZkTestServer.send4LetterWord connecting to 
127.0.0.1:34574 34574
   [junit4]   2> 154023 T483 oas.SolrTestCaseJ4.tearDown ###Ending 
testOverseerFailure
   [junit4]   2> 154024 T549 oasc.Overseer$ClusterStateUpdater.run Overseer 
Loop exiting : 127.0.0.1:34574_solr
   [junit4]   2> 154025 T553 
oasc.Overseer$ClusterStateUpdater.checkIfIamStillLeader ERROR could not read 
the data org.apache.zookeeper.KeeperException$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$8.execute(SolrZkClient.java:302)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$8.execute(SolrZkClient.java:299)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:73)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:299)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:316)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.access$300(Overseer.java:85)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater$1.run(Overseer.java:288)
   [junit4]   2> 
   [junit4]   2> NOTE: download the large Jenkins line-docs file by running 
'ant get-jenkins-line-docs' in the lucene directory.
   [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=OverseerTest 
-Dtests.method=testOverseerFailure -Dtests.seed=53BB0B78D4E89FC5 
-Dtests.multiplier=2 -Dtests.nightly=true -Dtests.slow=true 
-Dtests.linedocsfile=/home/hudson/lucene-data/enwiki.random.lines.txt 
-Dtests.locale=ko_KR -Dtests.timezone=Indian/Antananarivo 
-Dtests.file.encoding=UTF-8
   [junit4] ERROR   18.3s J0 | OverseerTest.testOverseerFailure <<<
   [junit4]    > Throwable #1: org.apache.solr.common.SolrException: Could not 
register as the leader because creating the ephemeral registration node in 
ZooKeeper failed
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([53BB0B78D4E89FC5:57B3848BC64D70E4]:0)
   [junit4]    >        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase.runLeaderProcess(ElectionContext.java:144)
   [junit4]    >        at 
org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:163)
   [junit4]    >        at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:125)
   [junit4]    >        at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:155)
   [junit4]    >        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:314)
   [junit4]    >        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:221)
   [junit4]    >        at 
org.apache.solr.cloud.OverseerTest$MockZKController.publishState(OverseerTest.java:155)
   [junit4]    >        at 
org.apache.solr.cloud.OverseerTest.testOverseerFailure(OverseerTest.java:660)
   [junit4]    >        at java.lang.Thread.run(Thread.java:745)
   [junit4]    > Caused by: org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode = 
NodeExists for /collections/collection1/leaders/shard1
   [junit4]    >        at 
org.apache.solr.common.util.RetryUtil.retryOnThrowable(RetryUtil.java:40)
   [junit4]    >        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase.runLeaderProcess(ElectionContext.java:131)
   [junit4]    >        ... 48 more
   [junit4]    > Caused by: 
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode = 
NodeExists for /collections/collection1/leaders/shard1
   [junit4]    >        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:119)
   [junit4]    >        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]    >        at 
org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783)
   [junit4]    >        at 
org.apache.solr.common.cloud.SolrZkClient$11.execute(SolrZkClient.java:457)
   [junit4]    >        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:73)
   [junit4]    >        at 
org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:454)
   [junit4]    >        at 
org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:411)
   [junit4]    >        at 
org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:398)
   [junit4]    >        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase$1.execute(ElectionContext.java:136)
   [junit4]    >        at 
org.apache.solr.common.util.RetryUtil.retryOnThrowable(RetryUtil.java:34)
   [junit4]    >        ... 49 more
   [junit4]   2> 154115 T483 oas.SolrTestCaseJ4.setUp ###Starting 
testBadQueueItem
   [junit4]   2> 154116 T483 oasc.ZkTestServer.run STARTING ZK TEST SERVER
   [junit4]   1> client port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 154117 T554 oasc.ZkTestServer$ZKServerMain.runFromConfig 
Starting server
   [junit4]   2> 154217 T483 oasc.ZkTestServer.run start zk server on port:17441
   [junit4]   2> 154218 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 154221 T560 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@4d2c47e9 
name:ZooKeeperConnection Watcher:127.0.0.1:17441 got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 154222 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 154224 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 154226 T562 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@427a26e2 
name:ZooKeeperConnection Watcher:127.0.0.1:17441 got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 154226 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 154226 T483 oascc.SolrZkClient.makePath makePath: /solr
   [junit4]   2> 154230 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 154231 T564 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@1a6bdb60 
name:ZooKeeperConnection Watcher:127.0.0.1:17441/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 154232 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 154232 T483 oascc.SolrZkClient.makePath makePath: /live_nodes
   [junit4]   2> 154235 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 154236 T566 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@64109ce7 
name:ZooKeeperConnection Watcher:127.0.0.1:17441/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 154236 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 154238 T483 oascc.SolrZkClient.makePath makePath: 
/overseer_elect
   [junit4]   2> 154240 T483 oascc.SolrZkClient.makePath makePath: 
/overseer_elect/election
   [junit4]   2> 154245 T483 oasc.OverseerElectionContext.runLeaderProcess I am 
going to be the leader 127.0.0.1:17441_solr
   [junit4]   2> 154245 T483 oascc.SolrZkClient.makePath makePath: 
/overseer_elect/leader
   [junit4]   2> 154247 T483 oasc.Overseer.start Overseer 
(id=92213279997493251-127.0.0.1:17441_solr-n_0000000000) starting
   [junit4]   2> 154250 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/queue
   [junit4]   2> 154253 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/queue-work
   [junit4]   2> 154256 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/collection-map-failure
   [junit4]   2> 154260 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/collection-map-running
   [junit4]   2> 154263 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/collection-map-completed
   [junit4]   2> 154267 T483 oascc.SolrZkClient.makePath makePath: 
/overseer/collection-queue-work
   [junit4]   2> 154273 T568 oasc.OverseerCollectionProcessor.run Process 
current queue of collection creations
   [junit4]   2> 154274 T483 oascc.SolrZkClient.makePath makePath: 
/clusterstate.json
   [junit4]   2> 154274 T567 oasc.Overseer$ClusterStateUpdater.run Starting to 
work on the main queue
   [junit4]   2> 154276 T483 oascc.SolrZkClient.makePath makePath: /aliases.json
   [junit4]   2> 154278 T483 
oascc.ZkStateReader.createClusterStateWatchersAndUpdate Updating cluster state 
from ZooKeeper... 
   [junit4]   2> 154281 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 154283 T570 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@6d471f2d 
name:ZooKeeperConnection Watcher:127.0.0.1:17441/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 154283 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 154285 T483 
oascc.ZkStateReader.createClusterStateWatchersAndUpdate Updating cluster state 
from ZooKeeper... 
   [junit4]   2> 154288 T483 oascc.SolrZkClient.makePath makePath: 
/live_nodes/127.0.0.1
   [junit4]   2> 154290 T571 oascc.ZkStateReader$3.process Updating live 
nodes... (1)
   [junit4]   2> 154291 T572 oascc.ZkStateReader$3.process Updating live 
nodes... (1)
   [junit4]   2> 154293 T573 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 154294 T567 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 154295 T567 oasc.Overseer$ClusterStateUpdater.updateState 
Update state numShards=3 message={
   [junit4]   2>          "operation":"state",
   [junit4]   2>          "state":"active",
   [junit4]   2>          "node_name":"127.0.0.1",
   [junit4]   2>          "core":"core1",
   [junit4]   2>          "core_node_name":"node1",
   [junit4]   2>          "collection":"collection1",
   [junit4]   2>          "numShards":"3",
   [junit4]   2>          "base_url":"http://127.0.0.1/solr/"}
   [junit4]   2> 154295 T567 oasc.Overseer$ClusterStateUpdater.createCollection 
Create collection collection1 with shards [shard1, shard2, shard3]
   [junit4]   2> 154296 T567 oasc.Overseer$ClusterStateUpdater.updateState 
Assigning new node to shard shard=shard3
   [junit4]   2> 154299 T573 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 154300 T571 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 154300 T572 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 154793 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leader_elect/shard3/election
   [junit4]   2> 154803 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard3
   [junit4]   2> 154809 T573 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 154811 T573 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 154811 T567 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 154815 T567 oasc.Overseer$ClusterStateUpdater.updateState 
Update state numShards=3 message={
   [junit4]   2>          "operation":"state",
   [junit4]   2>          "state":"active",
   [junit4]   2>          "node_name":"127.0.0.1",
   [junit4]   2>          "core":"core2",
   [junit4]   2>          "core_node_name":"node2",
   [junit4]   2>          "collection":"collection1",
   [junit4]   2>          "numShards":"3",
   [junit4]   2>          "base_url":"http://127.0.0.1/solr/"}
   [junit4]   2> 154816 T567 oasc.Overseer$ClusterStateUpdater.updateState 
Collection already exists with numShards=3
   [junit4]   2> 154816 T567 oasc.Overseer$ClusterStateUpdater.updateState 
Assigning new node to shard shard=shard2
   [junit4]   2> 154818 T573 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 154921 T572 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 154921 T571 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 155311 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leader_elect/shard2/election
   [junit4]   2> 155319 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard2
   [junit4]   2> 155324 T573 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 155324 T574 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 155324 T575 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 155326 T575 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 155326 T567 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 155330 T567 oasc.Overseer$ClusterStateUpdater.updateState 
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":"collection1",
   [junit4]   2>          "numShards":"3",
   [junit4]   2>          "base_url":"http://127.0.0.1/solr/"}
   [junit4]   2> 155331 T567 oasc.Overseer$ClusterStateUpdater.updateState 
Collection already exists with numShards=3
   [junit4]   2> 155331 T567 oasc.Overseer$ClusterStateUpdater.updateState 
Assigning new node to shard shard=shard1
   [junit4]   2> 155333 T575 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 155436 T571 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 155436 T572 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 155826 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leader_elect/shard1/election
   [junit4]   2> 155834 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection1/leaders/shard1
   [junit4]   2> 155840 T575 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 155840 T573 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 155840 T574 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 155841 T567 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 155845 T574 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 155947 T572 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 155947 T571 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 155995 T574 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 155995 T575 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 155995 T573 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 155996 T567 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 155997 T573 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 155997 T567 
oasc.Overseer$ClusterStateUpdater.checkKeyExistence ERROR Skipping invalid 
Overseer message because it has no collection specified: {
   [junit4]   2>          "operation":"state",
   [junit4]   2>          "state":"active",
   [junit4]   2>          "node_name":"127.0.0.1",
   [junit4]   2>          "core":"core0",
   [junit4]   2>          "core_node_name":"node0",
   [junit4]   2>          "collection":"",
   [junit4]   2>          "numShards":"1",
   [junit4]   2>          "base_url":"http://127.0.0.1/solr/"}
   [junit4]   2> 156001 T567 
oasc.Overseer$ClusterStateUpdater.checkKeyExistence ERROR Skipping invalid 
Overseer message because it has no collection specified: {
   [junit4]   2>          "operation":"deletecore",
   [junit4]   2>          "node_name":"127.0.0.1",
   [junit4]   2>          "core":"core0",
   [junit4]   2>          "core_node_name":"node0",
   [junit4]   2>          "collection":""}
   [junit4]   2> 156004 T573 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 156005 T567 oasc.Overseer$ClusterStateUpdater.updateState 
Update state numShards=3 message={
   [junit4]   2>          "operation":"state",
   [junit4]   2>          "state":"active",
   [junit4]   2>          "node_name":"127.0.0.1",
   [junit4]   2>          "core":"core1",
   [junit4]   2>          "core_node_name":"node1",
   [junit4]   2>          "collection":"collection2",
   [junit4]   2>          "numShards":"3",
   [junit4]   2>          "base_url":"http://127.0.0.1/solr/"}
   [junit4]   2> 156005 T567 oasc.Overseer$ClusterStateUpdater.createCollection 
Create collection collection2 with shards [shard1, shard2, shard3]
   [junit4]   2> 156005 T567 oasc.Overseer$ClusterStateUpdater.updateState 
Assigning new node to shard shard=shard3
   [junit4]   2> 156008 T573 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 156110 T571 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 156110 T572 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 156499 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection2/leader_elect/shard3/election
   [junit4]   2> 156508 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection2/leaders/shard3
   [junit4]   2> 156514 T573 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 156514 T574 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 156514 T575 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 156516 T575 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 156516 T567 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 156521 T567 oasc.Overseer$ClusterStateUpdater.updateState 
Update state numShards=3 message={
   [junit4]   2>          "operation":"state",
   [junit4]   2>          "state":"active",
   [junit4]   2>          "node_name":"127.0.0.1",
   [junit4]   2>          "core":"core2",
   [junit4]   2>          "core_node_name":"node2",
   [junit4]   2>          "collection":"collection2",
   [junit4]   2>          "numShards":"3",
   [junit4]   2>          "base_url":"http://127.0.0.1/solr/"}
   [junit4]   2> 156521 T567 oasc.Overseer$ClusterStateUpdater.updateState 
Collection already exists with numShards=3
   [junit4]   2> 156521 T567 oasc.Overseer$ClusterStateUpdater.updateState 
Assigning new node to shard shard=shard2
   [junit4]   2> 156524 T575 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 156626 T571 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 156626 T572 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 157016 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection2/leader_elect/shard2/election
   [junit4]   2> 157024 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection2/leaders/shard2
   [junit4]   2> 157029 T575 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 157029 T573 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 157029 T574 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 157031 T574 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 157031 T567 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 157035 T567 oasc.Overseer$ClusterStateUpdater.updateState 
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> 157035 T567 oasc.Overseer$ClusterStateUpdater.updateState 
Collection already exists with numShards=3
   [junit4]   2> 157035 T567 oasc.Overseer$ClusterStateUpdater.updateState 
Assigning new node to shard shard=shard1
   [junit4]   2> 157038 T574 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 157141 T572 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 157141 T571 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 157531 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection2/leader_elect/shard1/election
   [junit4]   2> 157539 T483 oascc.SolrZkClient.makePath makePath: 
/collections/collection2/leaders/shard1
   [junit4]   2> 157544 T574 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 157544 T575 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 157544 T573 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 157545 T567 oascc.ZkStateReader.updateClusterState Updating 
cloud state from ZooKeeper... 
   [junit4]   2> 157548 T573 oasc.DistributedQueue$LatchChildWatcher.process 
LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type 
NodeChildrenChanged
   [junit4]   2> 157651 T571 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 157651 T572 oascc.ZkStateReader$2.process A cluster state 
change: WatchedEvent state:SyncConnected type:NodeDataChanged 
path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 157699 T571 oascc.ZkStateReader$3.process Updating live 
nodes... (0)
   [junit4]   2> 157701 T483 oasc.ZkTestServer.send4LetterWord connecting to 
127.0.0.1:17441 17441
   [junit4]   2> 157875 T554 oasc.ZkTestServer.send4LetterWord connecting to 
127.0.0.1:17441 17441
   [junit4]   2> 157876 T483 oas.SolrTestCaseJ4.tearDown ###Ending 
testBadQueueItem
   [junit4]   2> 157876 T567 oasc.Overseer$ClusterStateUpdater.run Overseer 
Loop exiting : 127.0.0.1:17441_solr
   [junit4]   2> 157877 T576 
oasc.Overseer$ClusterStateUpdater.checkIfIamStillLeader ERROR could not read 
the data org.apache.zookeeper.KeeperException$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$8.execute(SolrZkClient.java:302)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$8.execute(SolrZkClient.java:299)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:73)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:299)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:316)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.access$300(Overseer.java:85)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater$1.run(Overseer.java:288)
   [junit4]   2> 
   [junit4]   2> 157884 T483 oas.SolrTestCaseJ4.setUp ###Starting 
testShardAssignmentBigger
   [junit4]   2> 157885 T483 oasc.ZkTestServer.run STARTING ZK TEST SERVER
   [junit4]   1> client port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 157886 T577 oasc.ZkTestServer$ZKServerMain.runFromConfig 
Starting server
   [junit4]   2> 157986 T483 oasc.ZkTestServer.run start zk server on port:25338
   [junit4]   2> 157987 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 157990 T583 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@64cbff21 
name:ZooKeeperConnection Watcher:127.0.0.1:25338 got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 157991 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 157993 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 157994 T585 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@6e353af0 
name:ZooKeeperConnection Watcher:127.0.0.1:25338 got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 157995 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 157995 T483 oascc.SolrZkClient.makePath makePath: /solr
   [junit4]   2> 157999 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 158000 T587 oascc.ConnectionManager.process Watcher 
org.apache.solr.common.cloud.ConnectionManager@3cfd7642 
name:ZooKeeperConnection Watcher:127.0.0.1:25338/solr got event WatchedEvent 
state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 158000 T483 oascc.ConnectionManager.waitForConnected Client is 
connected to ZooKeeper
   [junit4]   2> 158001 T483 oascc.SolrZkClient.makePath makePath: /live_nodes
   [junit4]   2> 158003 T483 oascc.ConnectionManager.waitForConnected Waiting 
for client to connect to ZooKeeper
   [junit4]   2> 158004 T589 oascc.ConnectionManager.pro

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

ndex 
[CachedDir<<refCount=0;path=./solr.cloud.MultiThreadedOCPTest-53BB0B78D4E89FC5-001/tempDir-006/ocptest2_shard1_replica1/data/index;done=false>>]
   [junit4]   2> 3780374 T10355 oasc.CachingDirectoryFactory.close Closing 
directory: 
./solr.cloud.MultiThreadedOCPTest-53BB0B78D4E89FC5-001/tempDir-006/ocptest2_shard1_replica1/data/index
   [junit4]   2> 3780374 T10355 oasc.SolrCore.close 
[ocptest_shardsplit_shard4_replica1]  CLOSING SolrCore 
org.apache.solr.core.SolrCore@853f143
   [junit4]   2> 3780383 T10355 oasu.DirectUpdateHandler2.close closing 
DirectUpdateHandler2{commits=0,autocommits=0,soft 
autocommits=0,optimizes=0,rollbacks=0,expungeDeletes=0,docsPending=0,adds=0,deletesById=0,deletesByQuery=0,errors=0,cumulative_adds=0,cumulative_deletesById=0,cumulative_deletesByQuery=0,cumulative_errors=0,transaction_logs_total_size=0,transaction_logs_total_number=0}
   [junit4]   2> 3780383 T10355 oasu.SolrCoreState.decrefSolrCoreState Closing 
SolrCoreState
   [junit4]   2> 3780384 T10355 oasu.DefaultSolrCoreState.closeIndexWriter 
SolrCoreState ref count has reached 0 - closing IndexWriter
   [junit4]   2> 3780384 T10355 oasu.DefaultSolrCoreState.closeIndexWriter 
closing IndexWriter with IndexWriterCloser
   [junit4]   2> 3780385 T10355 oasc.SolrCore.closeSearcher 
[ocptest_shardsplit_shard4_replica1] Closing main searcher on request.
   [junit4]   2> 3780385 T10355 oasc.CachingDirectoryFactory.close Closing 
MockDirectoryFactory - 2 directories currently being tracked
   [junit4]   2> 3780385 T10355 oasc.CachingDirectoryFactory.closeCacheValue 
looking to close 
./solr.cloud.MultiThreadedOCPTest-53BB0B78D4E89FC5-001/tempDir-006/ocptest_shardsplit_shard4_replica1/data/index
 
[CachedDir<<refCount=0;path=./solr.cloud.MultiThreadedOCPTest-53BB0B78D4E89FC5-001/tempDir-006/ocptest_shardsplit_shard4_replica1/data/index;done=false>>]
   [junit4]   2> 3780386 T10355 oasc.CachingDirectoryFactory.close Closing 
directory: 
./solr.cloud.MultiThreadedOCPTest-53BB0B78D4E89FC5-001/tempDir-006/ocptest_shardsplit_shard4_replica1/data/index
   [junit4]   2> 3780386 T10355 oasc.CachingDirectoryFactory.closeCacheValue 
looking to close 
./solr.cloud.MultiThreadedOCPTest-53BB0B78D4E89FC5-001/tempDir-006/ocptest_shardsplit_shard4_replica1/data
 
[CachedDir<<refCount=0;path=./solr.cloud.MultiThreadedOCPTest-53BB0B78D4E89FC5-001/tempDir-006/ocptest_shardsplit_shard4_replica1/data;done=false>>]
   [junit4]   2> 3780386 T10355 oasc.CachingDirectoryFactory.close Closing 
directory: 
./solr.cloud.MultiThreadedOCPTest-53BB0B78D4E89FC5-001/tempDir-006/ocptest_shardsplit_shard4_replica1/data
   [junit4]   2> 3780387 T11942 oasc.Overseer$ClusterStateUpdater.run Overseer 
Loop exiting : 127.0.0.1:37404_nzjt%2Fpm
   [junit4]   2> 3780388 T11944 
oasc.Overseer$ClusterStateUpdater.checkIfIamStillLeader ERROR could not read 
the data 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$8.execute(SolrZkClient.java:302)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$8.execute(SolrZkClient.java:299)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:73)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:299)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:316)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.access$300(Overseer.java:85)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater$1.run(Overseer.java:288)
   [junit4]   2> 
   [junit4]   2> 3781888 T10469 oascc.ZkStateReader$3.process WARN ZooKeeper 
watch triggered, but Solr cannot talk to ZK
   [junit4]   2> 3781890 T10355 oejsh.ContextHandler.doStop stopped 
o.e.j.s.ServletContextHandler{/nzjt/pm,null}
   [junit4]   2> 3784332 T10355 oas.SolrTestCaseJ4.tearDown ###Ending 
testDistribSearch
   [junit4]   2> 3784334 T10355 oasc.ZkTestServer.send4LetterWord connecting to 
127.0.0.1:21266 21266
   [junit4]   2> 3784477 T10356 oasc.ZkTestServer.send4LetterWord connecting to 
127.0.0.1:21266 21266
   [junit4]   2> NOTE: download the large Jenkins line-docs file by running 
'ant get-jenkins-line-docs' in the lucene directory.
   [junit4]   2> NOTE: reproduce with: ant test  
-Dtestcase=MultiThreadedOCPTest -Dtests.method=testDistribSearch 
-Dtests.seed=53BB0B78D4E89FC5 -Dtests.multiplier=2 -Dtests.nightly=true 
-Dtests.slow=true 
-Dtests.linedocsfile=/home/hudson/lucene-data/enwiki.random.lines.txt 
-Dtests.locale=ko -Dtests.timezone=Antarctica/Casey -Dtests.file.encoding=UTF-8
   [junit4] FAILURE 58.7s J0 | MultiThreadedOCPTest.testDistribSearch <<<
   [junit4]    > Throwable #1: java.lang.AssertionError: We have a failed 
SPLITSHARD task
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([53BB0B78D4E89FC5:D25D8560A3B7FFF9]:0)
   [junit4]    >        at 
org.apache.solr.cloud.MultiThreadedOCPTest.testTaskExclusivity(MultiThreadedOCPTest.java:125)
   [junit4]    >        at 
org.apache.solr.cloud.MultiThreadedOCPTest.doTest(MultiThreadedOCPTest.java:71)
   [junit4]    >        at 
org.apache.solr.BaseDistributedSearchTestCase.testDistribSearch(BaseDistributedSearchTestCase.java:867)
   [junit4]    >        at java.lang.Thread.run(Thread.java:745)
   [junit4]   2> 3784487 T10355 oas.SolrTestCaseJ4.deleteCore ###deleteCore
   [junit4]   2> NOTE: leaving temporary files on disk at: 
/usr/home/hudson/hudson-slave/workspace/Lucene-Solr-NightlyTests-4.x/solr/build/solr-core/test/J0/./solr.cloud.MultiThreadedOCPTest-53BB0B78D4E89FC5-001
   [junit4]   2> 58682 T10354 ccr.ThreadLeakControl.checkThreadLeaks WARNING 
Will linger awaiting termination of 1 leaked thread(s).
   [junit4]   2> NOTE: test params are: codec=Lucene49: {}, docValues:{}, 
sim=DefaultSimilarity, locale=ko, timezone=Antarctica/Casey
   [junit4]   2> NOTE: FreeBSD 9.1-RELEASE-p3 amd64/Oracle Corporation 1.7.0_60 
(64-bit)/cpus=16,threads=1,free=225480784,total=368574464
   [junit4]   2> NOTE: All tests run in this JVM: [TestSurroundQueryParser, 
TestRandomMergePolicy, TestStressReorder, TestPartialUpdateDeduplication, 
PathHierarchyTokenizerFactoryTest, TestManagedSynonymFilterFactory, 
SuggesterWFSTTest, SignatureUpdateProcessorFactoryTest, 
DistributedSpellCheckComponentTest, TestRangeQuery, JsonLoaderTest, 
TestSolrDeletionPolicy1, OverseerTest, RollingRestartTest, 
ExternalFileFieldSortTest, TestBinaryResponseWriter, TestRemoteStreaming, 
TriLevelCompositeIdRoutingTest, CurrencyFieldOpenExchangeTest, 
XmlUpdateRequestHandlerTest, TestHashPartitioner, SpellPossibilityIteratorTest, 
TestDynamicFieldResource, TestComponentsName, TestReRankQParserPlugin, 
DateFieldTest, ReplicationFactorTest, TestFieldResource, StressHdfsTest, 
TestSimpleQParserPlugin, TestManagedSchema, TestLuceneMatchVersion, TestConfig, 
TestFieldTypeCollectionResource, CoreAdminHandlerTest, 
DocExpirationUpdateProcessorFactoryTest, CursorPagingTest, SyncSliceTest, 
TestCollapseQParserPlugin, TestRequestStatusCollectionAPI, 
BasicFunctionalityTest, TestComplexPhraseQParserPlugin, 
ParsingFieldUpdateProcessorsTest, TestCloudManagedSchemaConcurrent, 
ResourceLoaderTest, PrimUtilsTest, DocValuesMultiTest, TestFaceting, 
ZkControllerTest, MinimalSchemaTest, SimpleFacetsTest, UpdateParamsTest, 
TestStressUserVersions, BadCopyFieldTest, TestIntervalFaceting, 
SolrTestCaseJ4Test, MergeStrategyTest, CollectionsAPIAsyncDistributedZkTest, 
RegexBoostProcessorTest, StandardRequestHandlerTest, UnloadDistributedZkTest, 
TestStressVersions, TestDFRSimilarityFactory, OverseerCollectionProcessorTest, 
TestCollationKeyRangeQueries, TestLMJelinekMercerSimilarityFactory, 
TestFastOutputStream, TestNRTOpen, TestFieldTypeResource, 
PingRequestHandlerTest, TestSchemaResource, PluginInfoTest, 
IndexBasedSpellCheckerTest, TestManagedResource, SpellCheckCollatorTest, 
HdfsChaosMonkeySafeLeaderTest, BadIndexSchemaTest, TestSort, 
SpellCheckComponentTest, ZkCLITest, QueryEqualityTest, MultiThreadedOCPTest]
   [junit4] Completed on J0 in 59.22s, 1 test, 1 failure <<< FAILURES!

[...truncated 695 lines...]
BUILD FAILED
/usr/home/hudson/hudson-slave/workspace/Lucene-Solr-NightlyTests-4.x/build.xml:474:
 The following error occurred while executing this line:
/usr/home/hudson/hudson-slave/workspace/Lucene-Solr-NightlyTests-4.x/build.xml:447:
 The following error occurred while executing this line:
/usr/home/hudson/hudson-slave/workspace/Lucene-Solr-NightlyTests-4.x/build.xml:45:
 The following error occurred while executing this line:
/usr/home/hudson/hudson-slave/workspace/Lucene-Solr-NightlyTests-4.x/extra-targets.xml:37:
 The following error occurred while executing this line:
/usr/home/hudson/hudson-slave/workspace/Lucene-Solr-NightlyTests-4.x/solr/build.xml:189:
 The following error occurred while executing this line:
/usr/home/hudson/hudson-slave/workspace/Lucene-Solr-NightlyTests-4.x/solr/common-build.xml:496:
 The following error occurred while executing this line:
/usr/home/hudson/hudson-slave/workspace/Lucene-Solr-NightlyTests-4.x/lucene/common-build.xml:1299:
 The following error occurred while executing this line:
/usr/home/hudson/hudson-slave/workspace/Lucene-Solr-NightlyTests-4.x/lucene/common-build.xml:923:
 There were test failures: 411 suites, 1707 tests, 1 error, 1 failure, 50 
ignored (8 assumptions)

Total time: 237 minutes 39 seconds
Build step 'Invoke Ant' marked build as failure
Archiving artifacts
Sending artifact delta relative to Lucene-Solr-NightlyTests-4.x #586
Archived 3 artifacts
Archive block size is 32768
Received 0 blocks and 460095004 bytes
Compression is 0.0%
Took 1 min 18 sec
Recording test results
Email was triggered for: Failure
Sending email for trigger: Failure


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