[JENKINS] Lucene » Lucene-Solr-Tests-8.x - Build # 617 - Unstable!

[Apache Jenkins Server]

Build: https://ci-builds.apache.org/job/Lucene/job/Lucene-Solr-Tests-8.x/617/

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

Error Message:
Captured an uncaught exception in thread: Thread[id=26432, 
name=OverseerCollectionConfigSetProcessor-72293852061302786-127.0.0.1:45097_solr-n_0000000000,
 state=RUNNABLE, group=Overseer collection creation process.]

Stack Trace:
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=26432, 
name=OverseerCollectionConfigSetProcessor-72293852061302786-127.0.0.1:45097_solr-n_0000000000,
 state=RUNNABLE, group=Overseer collection creation process.]
        at 
__randomizedtesting.SeedInfo.seed([EB4D3210DD67756A:351EB5E7C7FF809B]:0)
Caused by: org.apache.solr.common.AlreadyClosedException
        at __randomizedtesting.SeedInfo.seed([EB4D3210DD67756A]:0)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:69)
        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:339)
        at 
org.apache.solr.cloud.OverseerTaskProcessor.amILeader(OverseerTaskProcessor.java:435)
        at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:155)
        at java.lang.Thread.run(Thread.java:748)




Build Log:
[...truncated 14886 lines...]
   [junit4] Suite: org.apache.solr.cloud.OverseerTest
   [junit4]   2> 1552733 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] o.a.s.SolrTestCase 
Setting 'solr.default.confdir' system property to test-framework derived value 
of 
'/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-Tests-8.x/solr/server/solr/configsets/_default/conf'
   [junit4]   2> 1552733 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.SolrTestCaseJ4 SecureRandom sanity checks: 
test.solr.allowed.securerandom=null & java.security.egd=file:/dev/./urandom
   [junit4]   2> 1552733 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.SolrTestCaseJ4 Created dataDir: 
/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-Tests-8.x/solr/build/solr-core/test/J0/temp/solr.cloud.OverseerTest_EB4D3210DD67756A-001/data-dir-121-001
   [junit4]   2> 1552734 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.SolrTestCaseJ4 Using PointFields (NUMERIC_POINTS_SYSPROP=true) 
w/NUMERIC_DOCVALUES_SYSPROP=false
   [junit4]   2> 1552734 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.SolrTestCaseJ4 Randomized ssl (true) and clientAuth (true) via: 
@org.apache.solr.util.RandomizeSSL(reason=, ssl=NaN, value=NaN, clientAuth=NaN)
   [junit4]   2> 1552735 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 1552735 INFO  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer client port: 0.0.0.0/0.0.0.0:0
   [junit4]   2> 1552735 INFO  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer Starting server
   [junit4]   2> 1552736 WARN  (ZkTestServer Run Thread) [     ] 
o.a.z.s.ServerCnxnFactory maxCnxns is not configured, using default value 0.
   [junit4]   2> 1552835 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.c.ZkTestServer start zk server on port: 45097
   [junit4]   2> 1552835 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.c.ZkTestServer waitForServerUp: 127.0.0.1:45097
   [junit4]   2> 1552835 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:45097
   [junit4]   2> 1552835 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1 45097
   [junit4]   2> 1552837 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1552839 INFO  (zkConnectionManagerCallback-14160-thread-1) [   
  ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1552839 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1552841 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1552842 INFO  (zkConnectionManagerCallback-14162-thread-1) [   
  ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1552842 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1552842 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.SolrTestCaseJ4 ####initCore
   [junit4]   2> 1552842 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.SolrTestCaseJ4 ####initCore end
   [junit4]   2> 1552848 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.SolrTestCaseJ4 ###Starting testShardLeaderChange
   [junit4]   2> 1552900 INFO  (Thread-6811) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1552902 INFO  (zkConnectionManagerCallback-14166-thread-1) [   
  ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1552902 INFO  (Thread-6811) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1552904 WARN  (Thread-6811) [     ] 
o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport 
since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 1552904 WARN  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport 
since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 1552904 WARN  (Thread-6811) [     ] o.e.j.u.s.S.config 
Trusting all certificates configured for 
Client@243efd4f[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1552904 WARN  (Thread-6811) [     ] o.e.j.u.s.S.config No 
Client EndPointIdentificationAlgorithm configured for 
Client@243efd4f[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1552904 WARN  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@2f49c059[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1552904 WARN  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@2f49c059[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1552905 INFO  (Thread-6811) [     ] 
o.a.s.h.c.HttpShardHandlerFactory Host whitelist initialized: 
WhitelistHostChecker [whitelistHosts=null, whitelistHostCheckingEnabled=true]
   [junit4]   2> 1552905 WARN  (Thread-6811) [     ] 
o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport 
since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 1552906 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1552906 WARN  (Thread-6811) [     ] o.e.j.u.s.S.config 
Trusting all certificates configured for 
Client@50ddec68[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1552906 WARN  (Thread-6811) [     ] o.e.j.u.s.S.config No 
Client EndPointIdentificationAlgorithm configured for 
Client@50ddec68[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1552908 INFO  (zkConnectionManagerCallback-14177-thread-1) [   
  ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1552908 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1552912 WARN  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport 
since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 1552916 WARN  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@79f79bf5[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1552916 WARN  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@79f79bf5[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1552916 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.h.c.HttpShardHandlerFactory Host whitelist initialized: 
WhitelistHostChecker [whitelistHosts=null, whitelistHostCheckingEnabled=true]
   [junit4]   2> 1552916 WARN  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport 
since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 1552918 WARN  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@2f40eca0[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1552919 WARN  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@2f40eca0[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1552966 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1552967 INFO  (Thread-6811) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1552967 INFO  (zkConnectionManagerCallback-14185-thread-1) [   
  ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1552967 INFO  (zkConnectionManagerCallback-14187-thread-1) [   
  ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1552967 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1552967 INFO  (Thread-6811) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1552977 INFO  (Thread-6811) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1552978 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1552978 INFO  (zkConnectionManagerCallback-14193-thread-1) [   
  ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1552978 INFO  (Thread-6811) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1552978 INFO  (zkConnectionManagerCallback-14197-thread-1) [   
  ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1552978 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1552980 INFO  (Thread-6811) [     ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:45097/solr ready
   [junit4]   2> 1552980 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:45097/solr ready
   [junit4]   2> 1552983 INFO  (Thread-6811) [     ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:45097_solr
   [junit4]   2> 1552984 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1552984 INFO  (Thread-6811) [     ] o.a.s.c.Overseer Overseer 
(id=72293852061302786-127.0.0.1:45097_solr-n_0000000000) starting
   [junit4]   2> 1552985 INFO  (zkConnectionManagerCallback-14199-thread-1) [   
  ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1552985 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1552991 INFO  (zkCallback-14161-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1552991 INFO  (zkCallback-14196-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1552991 INFO  (zkCallback-14198-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1552991 INFO  (zkCallback-14192-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1552992 WARN  (Thread-6811) [     ] o.a.s.c.Overseer Unable to 
check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 1552992 INFO  (Thread-6811) [     ] o.a.s.c.OverseerTest 
Killing overseer.
   [junit4]   2> 1552993 INFO  
(OverseerStateUpdate-72293852061302786-127.0.0.1:45097_solr-n_0000000000) [     
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:45097_solr
   [junit4]   2> 1552993 WARN  (Thread-6811-SendThread(127.0.0.1:45097)) [     
] o.a.z.ClientCnxn An exception was thrown while closing send thread for 
session 0x100d6e01b8f0002.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x100d6e01b8f0002, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x100d6e01b8f0002, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77) 
~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
 ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1275) 
[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 1552994 INFO  (zkCallback-14176-thread-1) [     ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:45097_solr
   [junit4]   2> 1552995 INFO  (zkCallback-14176-thread-1) [     ] 
o.a.s.c.Overseer Overseer 
(id=72293852061302787-127.0.0.1:45097_solr-n_0000000001) starting
   [junit4]   2> 1553000 WARN  (zkCallback-14176-thread-1) [     ] 
o.a.s.c.Overseer Unable to check back-compat of .system collection - can't 
obtain ClusterState.
   [junit4]   2> 1553000 INFO  
(OverseerStateUpdate-72293852061302787-127.0.0.1:45097_solr-n_0000000001) [     
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:45097_solr
   [junit4]   2> 1553001 INFO  
(OverseerStateUpdate-72293852061302787-127.0.0.1:45097_solr-n_0000000001) [     
] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1553095 INFO  (Thread-6811) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1553098 INFO  (zkConnectionManagerCallback-14210-thread-1) [   
  ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1553098 INFO  (Thread-6811) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1553098 INFO  (Thread-6811) [     ] o.a.s.c.Overseer Overseer 
(id=72293852061302787-127.0.0.1:45097_solr-n_0000000001) closing
   [junit4]   2> 1553098 INFO  
(OverseerStateUpdate-72293852061302787-127.0.0.1:45097_solr-n_0000000001) [     
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:45097_solr
   [junit4]   2> 1553099 INFO  
(OverseerAutoScalingTriggerThread-72293852061302787-127.0.0.1:45097_solr-n_0000000001)
 [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 1553213 WARN  (Thread-6811) [     ] 
o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport 
since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 1553220 WARN  (Thread-6811) [     ] o.e.j.u.s.S.config 
Trusting all certificates configured for 
Client@2b6d6ee3[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1553220 WARN  (Thread-6811) [     ] o.e.j.u.s.S.config No 
Client EndPointIdentificationAlgorithm configured for 
Client@2b6d6ee3[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1553221 INFO  (Thread-6811) [     ] 
o.a.s.h.c.HttpShardHandlerFactory Host whitelist initialized: 
WhitelistHostChecker [whitelistHosts=null, whitelistHostCheckingEnabled=true]
   [junit4]   2> 1553221 WARN  (Thread-6811) [     ] 
o.a.s.c.s.i.Http2SolrClient Create Http2SolrClient with HTTP/1.1 transport 
since Java 8 or lower versions does not support SSL + HTTP/2
   [junit4]   2> 1553225 WARN  (Thread-6811) [     ] o.e.j.u.s.S.config 
Trusting all certificates configured for 
Client@26b9f98e[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1553225 WARN  (Thread-6811) [     ] o.e.j.u.s.S.config No 
Client EndPointIdentificationAlgorithm configured for 
Client@26b9f98e[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1553226 INFO  (Thread-6811) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1553226 INFO  (zkConnectionManagerCallback-14218-thread-1) [   
  ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1553226 INFO  (Thread-6811) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1553229 INFO  (Thread-6811) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1553231 INFO  (zkConnectionManagerCallback-14223-thread-1) [   
  ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1553231 INFO  (Thread-6811) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1553233 INFO  (Thread-6811) [     ] o.a.s.c.c.ZkStateReader 
Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1553234 INFO  (Thread-6811) [     ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:45097/solr ready
   [junit4]   2> 1553236 INFO  (Thread-6811) [     ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:45097_solr
   [junit4]   2> 1553237 INFO  (Thread-6811) [     ] o.a.s.c.Overseer Overseer 
(id=72293852061302793-127.0.0.1:45097_solr-n_0000000002) starting
   [junit4]   2> 1553248 WARN  (Thread-6811) [     ] o.a.s.c.Overseer Unable to 
check back-compat of .system collection - can't obtain ClusterState.
   [junit4]   2> 1553248 INFO  
(OverseerStateUpdate-72293852061302793-127.0.0.1:45097_solr-n_0000000002) [     
] o.a.s.c.Overseer Starting to work on the main queue : 127.0.0.1:45097_solr
   [junit4]   2> 1553249 INFO  
(OverseerStateUpdate-72293852061302793-127.0.0.1:45097_solr-n_0000000002) [     
] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1553259 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 1553260 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72293852061302792-node1_core1-n_0000000000
   [junit4]   2> org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:129)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:843)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:831)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.offerStateUpdate(Overseer.java:1004)
   [junit4]   2>        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase.runLeaderProcess(ShardLeaderElectionContextBase.java:182)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:172)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:137)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:309)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:218)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest$MockZKController.publishState(OverseerTest.java:251)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest.testShardLeaderChange(OverseerTest.java:929)
   [junit4]   2>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
   [junit4]   2>        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   [junit4]   2>        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]   2>        at java.lang.reflect.Method.invoke(Method.java:498)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [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:53)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748)
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:2256)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:108)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:93)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:127)
   [junit4]   2>        ... 49 more
   [junit4]   2> 1553265 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 1553266 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72293852061302792-node1_core1-n_0000000001
   [junit4]   2> 1553372 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 1553373 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72293852061302792-node1_core1-n_0000000002
   [junit4]   2> 1553374 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1553375 INFO  (zkConnectionManagerCallback-14229-thread-1) [   
  ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1553375 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1553379 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:129)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:843)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:831)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest$MockZKController.publishState(OverseerTest.java:221)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest.testShardLeaderChange(OverseerTest.java:960)
   [junit4]   2>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
   [junit4]   2>        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   [junit4]   2>        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]   2>        at java.lang.reflect.Method.invoke(Method.java:498)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [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:53)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748)
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:2256)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:108)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:93)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:127)
   [junit4]   2>        ... 43 more
   [junit4]   2> 1553382 INFO  (zkCallback-14209-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:129)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:843)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:831)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest$MockZKController.publishState(OverseerTest.java:221)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest.testShardLeaderChange(OverseerTest.java:960)
   [junit4]   2>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
   [junit4]   2>        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   [junit4]   2>        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]   2>        at java.lang.reflect.Method.invoke(Method.java:498)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [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:53)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748)
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:2256)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:108)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:93)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:127)
   [junit4]   2>        ... 43 more
   [junit4]   2> 1553382 INFO  (zkCallback-14228-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1553382 INFO  (zkCallback-14192-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:129)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:843)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:831)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest$MockZKController.publishState(OverseerTest.java:221)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest.testShardLeaderChange(OverseerTest.java:960)
   [junit4]   2>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
   [junit4]   2>        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   [junit4]   2>        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]   2>        at java.lang.reflect.Method.invoke(Method.java:498)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [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:53)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748)
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:2256)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:108)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:93)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:127)
   [junit4]   2>        ... 43 more
   [junit4]   2> 1553382 INFO  (zkCallback-14161-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1553382 INFO  (zkCallback-14222-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1553382 INFO  (zkCallback-14198-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1553382 INFO  (zkCallback-14196-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1553387 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 1553388 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72293852061302792-node1_core1-n_0000000003
   [junit4]   2> org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:129)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:843)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:831)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest$MockZKController.publishState(OverseerTest.java:221)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest.testShardLeaderChange(OverseerTest.java:974)
   [junit4]   2>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
   [junit4]   2>        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   [junit4]   2>        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]   2>        at java.lang.reflect.Method.invoke(Method.java:498)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [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:53)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748)
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:2256)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:108)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:93)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:127)
   [junit4]   2>        ... 43 more
   [junit4]   2> 1553495 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 1553497 INFO  (zkCallback-14228-thread-1) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72293852061302796-node2_core4-n_0000000004
   [junit4]   2> 1553498 INFO  (zkCallback-14192-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1553498 INFO  (zkCallback-14196-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1553498 INFO  (zkCallback-14161-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1553498 INFO  (zkCallback-14222-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1553498 INFO  (zkCallback-14209-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1553498 INFO  (zkCallback-14198-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1553499 INFO  (zkCallback-14228-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1553600 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1553601 INFO  (zkConnectionManagerCallback-14233-thread-1) [   
  ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1553601 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1553604 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1553604 INFO  (zkConnectionManagerCallback-14238-thread-1) [   
  ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1553604 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1553606 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1553606 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:45097/solr ready
   [junit4]   2> 1553608 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1553608 INFO  (zkConnectionManagerCallback-14240-thread-1) [   
  ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1553609 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1553612 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1553614 INFO  (zkCallback-14192-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1553614 INFO  (zkCallback-14228-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1553614 INFO  (zkCallback-14209-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1553614 INFO  (zkCallback-14196-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1553614 INFO  (zkCallback-14222-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1553614 INFO  (zkCallback-14161-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1553614 INFO  (zkCallback-14237-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1553615 INFO  (zkCallback-14239-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 1553616 WARN  
(OverseerStateUpdate-72293852061302793-127.0.0.1:45097_solr-n_0000000002) [     
] o.a.s.c.o.ClusterStateMutator Collection collection1 already exists. exit
   [junit4]   2> 1553618 INFO  
(TEST-OverseerTest.testShardLeaderChange-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 1553620 INFO  (zkCallback-14239-thread-1) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72293852061302799-node1_core1-n_0000000005
   [junit4]   2> 1553621 INFO  (zkCallback-14196-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1553621 INFO  (zkCallback-14222-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1553621 INFO  (zkCallback-14192-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1553621 INFO  (zkCallback-14161-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1553621 INFO  (zkCallback-14209-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1553621 INFO  (zkCallback-14228-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1553621 INFO  (zkCallback-14239-thread-2) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1553622 INFO  (zkCallback-14237-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 1553648 INFO  (Thread-6811) [     ] o.a.s.c.OverseerTest 
Killing overseer.
   [junit4]   2> org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:129)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:843)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:831)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest$MockZKController.publishState(OverseerTest.java:221)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest.testShardLeaderChange(OverseerTest.java:947)
   [junit4]   2>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
   [junit4]   2>        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   [junit4]   2>        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]   2>        at java.lang.reflect.Method.invoke(Method.java:498)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [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:53)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748)
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:2256)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:108)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:93)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:127)
   [junit4]   2>        ... 43 more
   [junit4]   2> org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:129)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:843)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:831)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest$MockZKController.publishState(OverseerTest.java:221)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest.testShardLeaderChange(OverseerTest.java:947)
   [junit4]   2>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
   [junit4]   2>        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   [junit4]   2>        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]   2>        at java.lang.reflect.Method.invoke(Method.java:498)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [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:53)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748)
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:2256)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:108)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:93)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:127)
   [junit4]   2>        ... 43 more
   [junit4]   2> org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:129)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:843)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:831)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest$MockZKController.publishState(OverseerTest.java:221)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest.testShardLeaderChange(OverseerTest.java:947)
   [junit4]   2>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
   [junit4]   2>        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   [junit4]   2>        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]   2>        at java.lang.reflect.Method.invoke(Method.java:498)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [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:53)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748)
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:2256)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:108)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:93)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:127)
   [junit4]   2>        ... 43 more
   [junit4]   2> 1553823 WARN  
(OverseerStateUpdate-72293852061302793-127.0.0.1:45097_solr-n_0000000002) [     
] o.a.s.c.Overseer Solr cannot talk to ZK, exiting Overseer main queue loop
   [junit4]   2>           => 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /clusterstate.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /clusterstate.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134) 
~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:2561) 
~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$setData$6(SolrZkClient.java:351)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.setData(SolrZkClient.java:351) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.overseer.ZkStateWriter.writePendingUpdates(ZkStateWriter.java:222)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:265) 
[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_252]
   [junit4]   2> org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:129)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:843)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:831)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest$MockZKController.publishState(OverseerTest.java:221)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest.testShardLeaderChange(OverseerTest.java:947)
   [junit4]   2>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
   [junit4]   2>        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   [junit4]   2>        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]   2>        at java.lang.reflect.Method.invoke(Method.java:498)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
   [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:53)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748)
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:2256)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:315)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:108)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:93)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:127)
   [junit4]   2>        ... 43 more
   [junit4]   2> 1553825 INFO  (zkConnectionManagerCallback-14244-thread-1) [   
  ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:129)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:843)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getStateUpdateQueue(Overseer.java:831)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest$MockZKController.publishState(OverseerTest.java:221)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTest.testShardLeaderChange(OverseerTest.java:947)
   [junit4]   2>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
   [junit4]   2>        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   [junit4]   2>        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]   2>        at java.lang.reflect.Method.invoke(Method.java:498)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
   [junit4]   2>        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
   [junit4]   2>        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
   [junit4]   2>        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
   [junit

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

      => EndOfStreamException: Unable to read additional data from server 
sessionid 0x100d6e01b8f0075, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x100d6e01b8f0075, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77) 
~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
 ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1275) 
[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 1571888 WARN  
(TEST-OverseerTest.testOverseerFailure-seed#[EB4D3210DD67756A]-SendThread(127.0.0.1:45097))
 [     ] o.a.z.ClientCnxn An exception was thrown while closing send thread for 
session 0x100d6e01b8f0071.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x100d6e01b8f0071, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x100d6e01b8f0071, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77) 
~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
 ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1275) 
[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 1572289 INFO  (closeThreadPool-14846-thread-1) [     ] 
o.a.s.c.Overseer Overseer 
(id=72293852061302895-127.0.0.1:45097_solr-n_0000000000) closing
   [junit4]   2> 1572289 INFO  (closeThreadPool-14846-thread-2) [     ] 
o.a.s.c.Overseer Overseer 
(id=72293852061302899-127.0.0.1:45097_solr-n_0000000001) closing
   [junit4]   2> 1572289 INFO  
(OverseerStateUpdate-72293852061302899-127.0.0.1:45097_solr-n_0000000001) [     
] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:45097_solr
   [junit4]   2> 1572290 INFO  
(OverseerAutoScalingTriggerThread-72293852061302899-127.0.0.1:45097_solr-n_0000000001)
 [     ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 1572292 WARN  (OverseerExitThread) [     ] o.a.s.c.Overseer 
Error communicating with ZooKeeper
   [junit4]   2>           => 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134)
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134) 
~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:2358) 
~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:339)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:339) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:339)
 ~[java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_252]
   [junit4]   2> 1572332 INFO  
(TEST-OverseerTest.testOverseerFailure-seed#[EB4D3210DD67756A]) [     ] 
o.a.s.SolrTestCaseJ4 ###Ending testOverseerFailure
   [junit4]   1> / (0)
   [junit4]   1> 
   [junit4]   2> 1572334 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.c.ZkTestServer Shutting down ZkTestServer.
   [junit4]   2> 1572536 WARN  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer Watch limit violations: 
   [junit4]   2> Maximum concurrent create/delete watches above limit:
   [junit4]   2> 
   [junit4]   2>        95      /solr/aliases.json
   [junit4]   2>        95      /solr/clusterprops.json
   [junit4]   2>        94      /solr/collections/collection1/state.json
   [junit4]   2>        13      /solr/collections/collection2/state.json
   [junit4]   2>        5       /solr/collections/c1/state.json
   [junit4]   2>        4       /solr/collections/collection3/state.json
   [junit4]   2>        3       /solr/collections/collection0/state.json
   [junit4]   2>        2       /solr/collections/collection4/state.json
   [junit4]   2> 
   [junit4]   2> Maximum concurrent data watches above limit:
   [junit4]   2> 
   [junit4]   2>        695     /solr/clusterstate.json
   [junit4]   2>        25      /solr/autoscaling.json
   [junit4]   2>        3       /solr/collections/test/state.json
   [junit4]   2> 
   [junit4]   2> Maximum concurrent children watches above limit:
   [junit4]   2> 
   [junit4]   2>        687     /solr/live_nodes
   [junit4]   2>        222     /solr/overseer/queue
   [junit4]   2>        154     /solr/collections
   [junit4]   2>        26      /solr/overseer/queue-work
   [junit4]   2>        25      /solr/autoscaling/events/.scheduled_maintenance
   [junit4]   2>        25      /solr/autoscaling/events/.auto_add_replicas
   [junit4]   2>        24      /solr/overseer/collection-queue-work
   [junit4]   2> 
   [junit4]   2> 1572555 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.c.ZkTestServer waitForServerDown: 127.0.0.1:45097
   [junit4]   2> 1572555 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:45097
   [junit4]   2> 1572555 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1 45097
   [junit4]   2> 1572556 INFO  
(SUITE-OverseerTest-seed#[EB4D3210DD67756A]-worker) [     ] 
o.a.s.SolrTestCaseJ4 ------------------------------------------------------- 
Done waiting for tracked resources to be released
   [junit4]   2> Oct 13, 2020 3:13:56 AM 
com.carrotsearch.randomizedtesting.ThreadLeakControl checkThreadLeaks
   [junit4]   2> WARNING: Will linger awaiting termination of 1 leaked 
thread(s).
   [junit4]   2> NOTE: test params are: codec=CheapBastard, 
sim=Asserting(RandomSimilarity(queryNorm=false): {}), locale=el-GR, 
timezone=Europe/Paris
   [junit4]   2> NOTE: Linux 5.4.0-45-generic amd64/Oracle Corporation 
1.8.0_252 (64-bit)/cpus=4,threads=1,free=292168920,total=524288000
   [junit4]   2> NOTE: All tests run in this JVM: [DistanceFunctionTest, 
JavaBinAtomicUpdateMultivalueTest, TestCustomStream, TestStressInPlaceUpdates, 
TestLuceneMatchVersion, SuggesterTSTTest, CdcrBidirectionalTest, 
MetricsConfigTest, ForceLeaderWithTlogReplicasTest, TestConfigSets, 
SolrIndexMetricsTest, HdfsWriteToMultipleCollectionsTest, AliasIntegrationTest, 
TestSubQueryTransformerCrossCore, TestQueryTypes, 
AutoAddReplicasPlanActionTest, TestNestedDocsSort, SpatialFilterTest, 
XMLAtomicUpdateMultivalueTest, TestJsonRequest, TestLocalFSCloudBackupRestore, 
V2ApiIntegrationTest, HttpSolrCallGetCoreTest, TestJettySolrRunner, 
TestValueSourceCache, TestSolrCoreProperties, UnloadDistributedZkTest, 
OpenExchangeRatesOrgProviderTest, OverseerRolesTest, 
DeleteLastCustomShardedReplicaTest, DistributedQueueTest, 
TestMaxTokenLenTokenizer, AddBlockUpdateTest, PrimitiveFieldTypeTest, 
TestSolrCloudWithDelegationTokens, TestSolrCloudWithHadoopAuthPlugin, 
NumberUtilsTest, HighlighterWithoutStoredIdTest, ConnectionManagerTest, 
TestFieldCacheSort, PathHierarchyTokenizerFactoryTest, TestPullReplica, 
DocExpirationUpdateProcessorFactoryTest, MultiSolrCloudTestCaseTest, 
TestChildDocTransformer, TestRawResponseWriter, SplitShardTest, TestSolrXml, 
TestSolrJ, RestoreTriggerStateTest, TestCloudConsistency, 
PingRequestHandlerTest, TestApiFramework, TestAnalyzedSuggestions, 
TestSolrConfigHandlerCloud, RecoveryAfterSoftCommitTest, 
TestSchemaVersionResource, TestExportWriter, TestSegmentSorting, 
SpellCheckComponentTest, SplitByPrefixTest, AnalysisAfterCoreReloadTest, 
TestRemoteStreaming, TestRecoveryHdfs, HealthCheckHandlerTest, 
DirectUpdateHandlerTest, IndexSizeTriggerTest, TriggerCooldownIntegrationTest, 
TestMinHashQParser, InfixSuggestersTest, ZkStateReaderTest, OutputWriterTest, 
TestSimNodeAddedTrigger, BigEndianAscendingWordDeserializerTest, 
CollectionsAPIAsyncDistributedZkTest, DeleteStatusTest, 
LegacyCloudClusterPropTest, CoreAdminOperationTest, HdfsDirectoryFactoryTest, 
TestLFUCache, TestJoin, RegexBoostProcessorTest, DateMathParserTest, 
AssignTest, TestHashPartitioner, HdfsAutoAddReplicasIntegrationTest, 
JWTAuthPluginTest, OutOfBoxZkACLAndCredentialsProvidersTest, 
TestSolrCLIRunExample, RollingRestartTest, 
CategoryRoutedAliasUpdateProcessorTest, TestExactStatsCache, 
TestRandomRequestDistribution, TestHdfsBackupRestoreCore, 
TestQuerySenderNoQuery, TestStressVersions, RangeFacetCloudTest, 
TransactionLogTest, TestDistributedSearch, TestNamedUpdateProcessors, 
TestLegacyNumericUtils, TestSimClusterStateProvider, TestRestManager, 
LukeRequestHandlerTest, SolrLogPostToolTest, TestLockTree, 
CustomCollectionTest, RootFieldTest, PeerSyncWithBufferUpdatesTest, 
TestLuceneIndexBackCompat, TestNumericRangeQuery64, FuzzySearchTest, 
ChaosMonkeyNothingIsSafeWithPullReplicasTest, 
ChaosMonkeySafeLeaderWithPullReplicasTest, CleanupOldIndexTest, 
CollectionPropsTest, ConcurrentCreateRoutedAliasTest, ConfigSetsAPITest, 
HttpPartitionWithTlogReplicasTest, LeaderElectionContextKeyTest, 
LeaderElectionIntegrationTest, LeaderFailoverAfterPartitionTest, 
MissingSegmentRecoveryTest, OverseerTaskQueueTest, OverseerTest]
   [junit4] Completed [494/920 (1!)] on J0 in 20.77s, 14 tests, 1 error, 1 
skipped <<< FAILURES!

[...truncated 53761 lines...]

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