[JENKINS] Lucene-Solr-master-Linux (64bit/jdk-9) - Build # 20607 - Still Failing!

[Policeman Jenkins Server]

Build: https://jenkins.thetaphi.de/job/Lucene-Solr-master-Linux/20607/
Java: 64bit/jdk-9 -XX:-UseCompressedOops -XX:+UseConcMarkSweepGC 
--illegal-access=deny

1 tests failed.
FAILED:  
org.apache.solr.cloud.TestLeaderElectionZkExpiry.testLeaderElectionWithZkExpiry

Error Message:
Captured an uncaught exception in thread: Thread[id=10610, 
name=OverseerAutoScalingTriggerThread-98772196019077128-dummy.host.com:8984_solr-n_0000000006,
 state=RUNNABLE, group=Overseer autoscaling triggers]

Stack Trace:
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=10610, 
name=OverseerAutoScalingTriggerThread-98772196019077128-dummy.host.com:8984_solr-n_0000000006,
 state=RUNNABLE, group=Overseer autoscaling triggers]
        at 
__randomizedtesting.SeedInfo.seed([F0351A93AF8B68E8:26EA3BC999967B70]:0)
Caused by: org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling/events/.auto_add_replicas
        at __randomizedtesting.SeedInfo.seed([F0351A93AF8B68E8]:0)
        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:107)
        at 
org.apache.solr.cloud.autoscaling.TriggerEventQueue.<init>(TriggerEventQueue.java:44)
        at 
org.apache.solr.cloud.autoscaling.ScheduledTriggers$ScheduledTrigger.<init>(ScheduledTriggers.java:398)
        at 
org.apache.solr.cloud.autoscaling.ScheduledTriggers.add(ScheduledTriggers.java:149)
        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:220)
        at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /autoscaling/events/.auto_add_replicas
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
        at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1102)
        at 
org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:323)
        at 
org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:320)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:320)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:93)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:78)
        at 
org.apache.solr.cloud.ZkDistributedQueue.<init>(ZkDistributedQueue.java:105)
        ... 5 more




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   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J1: EOF ----

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   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J1: EOF ----

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/home/jenkins/workspace/Lucene-Solr-master-Linux/lucene/build/expressions/test/temp/junit4-J2-20171004_184505_85411788486100010661906.syserr
   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
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a future release.
   [junit4] <<< JVM J2: EOF ----

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   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
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a future release.
   [junit4] <<< JVM J0: EOF ----

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   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J0: EOF ----

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   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
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a future release.
   [junit4] <<< JVM J2: EOF ----

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   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J1: EOF ----

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   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J2: EOF ----

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   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J1: EOF ----

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   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J0: EOF ----

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   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J0: EOF ----

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   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
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a future release.
   [junit4] <<< JVM J2: EOF ----

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   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J1: EOF ----

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   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
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UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J1: EOF ----

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   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J0: EOF ----

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   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
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UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J2: EOF ----

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   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
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UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J0: EOF ----

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   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J1: EOF ----

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   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J2: EOF ----

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   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J1: EOF ----

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a future release.
   [junit4] <<< JVM J0: EOF ----

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   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J1: EOF ----

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   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
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UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J2: EOF ----

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   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
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UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J0: EOF ----

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   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
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UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J0: EOF ----

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   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J2: EOF ----

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   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J1: EOF ----

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   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J1: EOF ----

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   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J2: EOF ----

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a future release.
   [junit4] <<< JVM J0: EOF ----

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   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
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a future release.
   [junit4] <<< JVM J1: EOF ----

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   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
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UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J2: EOF ----

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   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
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UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J0: EOF ----

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   [junit4] JVM J0: stderr was not empty, see: 
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   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
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UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J0: EOF ----

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   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J1: EOF ----

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   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J2: EOF ----

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   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
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UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J0: EOF ----

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   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J2: EOF ----

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   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J0: EOF ----

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   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
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UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J1: EOF ----

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   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
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UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J0: EOF ----

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   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
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UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J1: EOF ----

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   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
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UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J2: EOF ----

[...truncated 2673 lines...]
   [junit4] Suite: org.apache.solr.cloud.TestLeaderElectionZkExpiry
   [junit4]   2> Creating dataDir: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/solr-core/test/J0/temp/solr.cloud.TestLeaderElectionZkExpiry_F0351A93AF8B68E8-001/init-core-data-001
   [junit4]   2> 1059996 INFO  
(SUITE-TestLeaderElectionZkExpiry-seed#[F0351A93AF8B68E8]-worker) [    ] 
o.a.s.SolrTestCaseJ4 Using TrieFields (NUMERIC_POINTS_SYSPROP=false) 
w/NUMERIC_DOCVALUES_SYSPROP=true
   [junit4]   2> 1059997 INFO  
(SUITE-TestLeaderElectionZkExpiry-seed#[F0351A93AF8B68E8]-worker) [    ] 
o.a.s.SolrTestCaseJ4 Randomized ssl (true) and clientAuth (true) via: 
@org.apache.solr.util.RandomizeSSL(reason="", value=0.0/0.0, ssl=0.0/0.0, 
clientAuth=0.0/0.0)
   [junit4]   2> 1059997 INFO  
(SUITE-TestLeaderElectionZkExpiry-seed#[F0351A93AF8B68E8]-worker) [    ] 
o.a.s.SolrTestCaseJ4 SecureRandom sanity checks: 
test.solr.allowed.securerandom=null & java.security.egd=file:/dev/./urandom
   [junit4]   2> 1059998 INFO  
(TEST-TestLeaderElectionZkExpiry.testLeaderElectionWithZkExpiry-seed#[F0351A93AF8B68E8])
 [    ] o.a.s.SolrTestCaseJ4 ###Starting testLeaderElectionWithZkExpiry
   [junit4]   2> 1060001 INFO  
(TEST-TestLeaderElectionZkExpiry.testLeaderElectionWithZkExpiry-seed#[F0351A93AF8B68E8])
 [    ] o.a.s.c.SolrXmlConfig MBean server found: 
com.sun.jmx.mbeanserver.JmxMBeanServer@8d036c9, but no JMX reporters were 
configured - adding default JMX reporter.
   [junit4]   2> 1060031 INFO  
(TEST-TestLeaderElectionZkExpiry.testLeaderElectionWithZkExpiry-seed#[F0351A93AF8B68E8])
 [    ] o.a.s.m.r.SolrJmxReporter JMX monitoring for 'solr.node' (registry 
'solr.node') enabled at server: com.sun.jmx.mbeanserver.JmxMBeanServer@8d036c9
   [junit4]   2> 1060037 INFO  
(TEST-TestLeaderElectionZkExpiry.testLeaderElectionWithZkExpiry-seed#[F0351A93AF8B68E8])
 [    ] o.a.s.m.r.SolrJmxReporter JMX monitoring for 'solr.jvm' (registry 
'solr.jvm') enabled at server: com.sun.jmx.mbeanserver.JmxMBeanServer@8d036c9
   [junit4]   2> 1060037 INFO  
(TEST-TestLeaderElectionZkExpiry.testLeaderElectionWithZkExpiry-seed#[F0351A93AF8B68E8])
 [    ] o.a.s.m.r.SolrJmxReporter JMX monitoring for 'solr.jetty' (registry 
'solr.jetty') enabled at server: com.sun.jmx.mbeanserver.JmxMBeanServer@8d036c9
   [junit4]   2> 1060037 INFO  
(TEST-TestLeaderElectionZkExpiry.testLeaderElectionWithZkExpiry-seed#[F0351A93AF8B68E8])
 [    ] o.a.s.c.CorePropertiesLocator Found 0 core definitions underneath 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/solr-core/test/J0/temp/solr.cloud.TestLeaderElectionZkExpiry_F0351A93AF8B68E8-001/testLeaderElectionWithZkExpiry-solr-001
   [junit4]   2> 1060038 INFO  
(TEST-TestLeaderElectionZkExpiry.testLeaderElectionWithZkExpiry-seed#[F0351A93AF8B68E8])
 [    ] o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 1060038 INFO  (Thread-2073) [    ] o.a.s.c.ZkTestServer client 
port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 1060038 INFO  (Thread-2073) [    ] o.a.s.c.ZkTestServer 
Starting server
   [junit4]   2> 1060040 ERROR (Thread-2073) [    ] o.a.z.s.ZooKeeperServer 
ZKShutdownHandler is not registered, so ZooKeeper server won't take any action 
on ERROR or SHUTDOWN server state changes
   [junit4]   2> 1060138 INFO  
(TEST-TestLeaderElectionZkExpiry.testLeaderElectionWithZkExpiry-seed#[F0351A93AF8B68E8])
 [    ] o.a.s.c.ZkTestServer start zk server on port:39547
   [junit4]   2> 1060205 INFO  
(TEST-TestLeaderElectionZkExpiry.testLeaderElectionWithZkExpiry-seed#[F0351A93AF8B68E8])
 [    ] o.a.s.c.Overseer Overseer (id=null) closing
   [junit4]   2> 1060205 INFO  
(TEST-TestLeaderElectionZkExpiry.testLeaderElectionWithZkExpiry-seed#[F0351A93AF8B68E8])
 [    ] o.a.s.c.OverseerElectionContext I am going to be the leader 
dummy.host.com:8984_solr
   [junit4]   2> 1060206 INFO  
(TEST-TestLeaderElectionZkExpiry.testLeaderElectionWithZkExpiry-seed#[F0351A93AF8B68E8])
 [    ] o.a.s.c.Overseer Overseer 
(id=98772196019077122-dummy.host.com:8984_solr-n_0000000000) starting
   [junit4]   2> 1060208 INFO  
(TEST-TestLeaderElectionZkExpiry.testLeaderElectionWithZkExpiry-seed#[F0351A93AF8B68E8])
 [    ] o.a.s.c.ZkController Register node as live in 
ZooKeeper:/live_nodes/dummy.host.com:8984_solr
   [junit4]   2> 1060210 INFO  (zkCallback-2505-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1060210 WARN  (NIOServerCxn.Factory:0.0.0.0/0.0.0.0:0) [    ] 
o.a.z.s.NIOServerCnxnFactory Ignoring unexpected runtime exception
   [junit4]   2> java.nio.channels.CancelledKeyException
   [junit4]   2>        at 
java.base/sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:73)
   [junit4]   2>        at 
java.base/sun.nio.ch.SelectionKeyImpl.readyOps(SelectionKeyImpl.java:87)
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:182)
   [junit4]   2>        at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]   2> 1060312 WARN  (zkCallback-2505-thread-2) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@170e2ab9 name: 
ZooKeeperConnection Watcher:127.0.0.1:39547/solr got event WatchedEvent 
state:Disconnected type:None path:null path: null type: None
   [junit4]   2> 1060312 WARN  (zkCallback-2505-thread-2) [    ] 
o.a.s.c.c.ConnectionManager zkClient has disconnected
   [junit4]   2> 1062257 WARN  
(TEST-TestLeaderElectionZkExpiry.testLeaderElectionWithZkExpiry-seed#[F0351A93AF8B68E8]-SendThread(127.0.0.1:39547))
 [    ] o.a.z.ClientCnxn Unable to reconnect to ZooKeeper service, session 
0x15ee8c9f9670002 has expired
   [junit4]   2> 1062257 WARN  (zkCallback-2505-thread-5) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@170e2ab9 name: 
ZooKeeperConnection Watcher:127.0.0.1:39547/solr got event WatchedEvent 
state:Expired type:None path:null path: null type: None
   [junit4]   2> 1062257 WARN  
(OverseerStateUpdate-98772196019077122-dummy.host.com:8984_solr-n_0000000000) [ 
   ] o.a.s.c.Overseer Solr cannot talk to ZK, exiting Overseer main queue loop
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer/queue
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1532)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:340)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:337)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:337)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.fetchZkChildren(ZkDistributedQueue.java:313)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.firstChild(ZkDistributedQueue.java:290)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.firstElement(ZkDistributedQueue.java:406)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.peek(ZkDistributedQueue.java:165)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.peek(ZkDistributedQueue.java:142)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:185)
   [junit4]   2>        at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]   2> 1062257 WARN  (zkCallback-2505-thread-5) [    ] 
o.a.s.c.c.ConnectionManager Our previous ZooKeeper session was expired. 
Attempting to reconnect to recover relationship with ZooKeeper...
   [junit4]   2> 1062257 INFO  
(OverseerStateUpdate-98772196019077122-dummy.host.com:8984_solr-n_0000000000) [ 
   ] o.a.s.c.Overseer Overseer Loop exiting : dummy.host.com:8984_solr
   [junit4]   2> 1062258 INFO  (zkCallback-2505-thread-5) [    ] 
o.a.s.c.Overseer Overseer 
(id=98772196019077122-dummy.host.com:8984_solr-n_0000000000) closing
   [junit4]   2> 1062258 ERROR (OverseerExitThread) [    ] o.a.s.c.Overseer 
could not read the data
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1212)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:357)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:354)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:354)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:299)
   [junit4]   2>        at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]   2> 1062258 INFO  
(OverseerCollectionConfigSetProcessor-98772196019077122-dummy.host.com:8984_solr-n_0000000000)
 [    ] o.a.s.c.OverseerTaskProcessor According to ZK I 
(id=98772196019077122-dummy.host.com:8984_solr-n_0000000000) am no longer a 
leader.
   [junit4]   2> 1062357 WARN  (zkCallback-2505-thread-1) [    ] 
o.a.s.c.c.ZkStateReader ZooKeeper watch triggered, but Solr cannot talk to ZK: 
[KeeperErrorCode = Session expired for /live_nodes]
   [junit4]   2> 1062357 WARN  
(OverseerAutoScalingTriggerThread-98772196019077122-dummy.host.com:8984_solr-n_0000000000)
 [    ] o.a.s.c.a.TriggerBase Exception checking ZK path 
/autoscaling/triggerState
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /autoscaling/triggerState
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1102)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$4.execute(SolrZkClient.java:306)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$4.execute(SolrZkClient.java:303)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:303)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:512)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:415)
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.TriggerBase.<init>(TriggerBase.java:45)
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.NodeLostTrigger.<init>(NodeLostTrigger.java:72)
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.AutoScaling$TriggerFactory.create(AutoScaling.java:137)
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.loadTriggers(OverseerTriggerThread.java:365)
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.refreshAutoScalingConf(OverseerTriggerThread.java:312)
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:137)
   [junit4]   2>        at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]   2> 1062359 WARN  (zkCallback-2505-thread-5) [    ] 
o.a.s.c.c.DefaultConnectionStrategy Connection expired - starting a new one...
   [junit4]   2> 1062360 INFO  (zkCallback-2505-thread-5) [    ] 
o.a.s.c.c.ConnectionManager Connection with ZooKeeper reestablished.
   [junit4]   2> 1062360 INFO  (zkCallback-2505-thread-5) [    ] 
o.a.s.c.ZkController ZooKeeper session re-connected ... refreshing core states 
after session expiration.
   [junit4]   2> 1062362 INFO  (zkCallback-2505-thread-5) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1062365 INFO  (zkCallback-2505-thread-5) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 
dummy.host.com:8984_solr
   [junit4]   2> 1062366 INFO  (zkCallback-2505-thread-5) [    ] 
o.a.s.c.Overseer Overseer 
(id=98772196019077123-dummy.host.com:8984_solr-n_0000000001) starting
   [junit4]   2> 1062366 WARN  (NIOServerCxn.Factory:0.0.0.0/0.0.0.0:0) [    ] 
o.a.z.s.NIOServerCnxn Exception causing close of session 0x15ee8c9f9670003 due 
to java.nio.channels.CancelledKeyException
   [junit4]   2> 1062466 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@170e2ab9 name: 
ZooKeeperConnection Watcher:127.0.0.1:39547/solr got event WatchedEvent 
state:Disconnected type:None path:null path: null type: None
   [junit4]   2> 1062467 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager zkClient has disconnected
   [junit4]   2> 1063576 WARN  
(zkCallback-2505-thread-5-SendThread(127.0.0.1:39547)) [    ] o.a.z.ClientCnxn 
Unable to reconnect to ZooKeeper service, session 0x15ee8c9f9670003 has expired
   [junit4]   2> 1063576 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@170e2ab9 name: 
ZooKeeperConnection Watcher:127.0.0.1:39547/solr got event WatchedEvent 
state:Expired type:None path:null path: null type: None
   [junit4]   2> 1063576 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Our previous ZooKeeper session was expired. 
Attempting to reconnect to recover relationship with ZooKeeper...
   [junit4]   2> 1063967 ERROR (zkCallback-2505-thread-5) [    ] 
o.a.s.c.Overseer Could not create Overseer node
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$9.execute(SolrZkClient.java:392)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$9.execute(SolrZkClient.java:389)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.create(SolrZkClient.java:389)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.createOverseerNode(Overseer.java:755)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.start(Overseer.java:513)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerElectionContext.runLeaderProcess(ElectionContext.java:798)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:170)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:135)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:307)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:216)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkController$1.command(ZkController.java:347)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ConnectionManager$1.update(ConnectionManager.java:168)
   [junit4]   2>        at 
org.apache.solr.common.cloud.DefaultConnectionStrategy.reconnect(DefaultConnectionStrategy.java:57)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ConnectionManager.process(ConnectionManager.java:142)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$3.lambda$process$0(SolrZkClient.java:269)
   [junit4]   2>        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514)
   [junit4]   2>        at 
java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
   [junit4]   2>        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:188)
   [junit4]   2>        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
   [junit4]   2>        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
   [junit4]   2>        at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]   2> 1063967 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.Overseer Overseer 
(id=98772196019077123-dummy.host.com:8984_solr-n_0000000001) closing
   [junit4]   2> 1063967 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.DefaultConnectionStrategy Connection expired - starting a new one...
   [junit4]   2> 1063967 ERROR (zkCallback-2505-thread-5) [    ] 
o.a.s.c.ZkController :java.lang.RuntimeException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.createOverseerNode(Overseer.java:764)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.start(Overseer.java:513)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerElectionContext.runLeaderProcess(ElectionContext.java:798)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:170)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:135)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:307)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:216)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkController$1.command(ZkController.java:347)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ConnectionManager$1.update(ConnectionManager.java:168)
   [junit4]   2>        at 
org.apache.solr.common.cloud.DefaultConnectionStrategy.reconnect(DefaultConnectionStrategy.java:57)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ConnectionManager.process(ConnectionManager.java:142)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$3.lambda$process$0(SolrZkClient.java:269)
   [junit4]   2>        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514)
   [junit4]   2>        at 
java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
   [junit4]   2>        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:188)
   [junit4]   2>        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
   [junit4]   2>        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
   [junit4]   2>        at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$9.execute(SolrZkClient.java:392)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$9.execute(SolrZkClient.java:389)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.create(SolrZkClient.java:389)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.createOverseerNode(Overseer.java:755)
   [junit4]   2>        ... 17 more
   [junit4]   2> 
   [junit4]   2> 1063968 ERROR (zkCallback-2505-thread-5) [    ] 
o.a.s.c.c.DefaultConnectionStrategy Reconnect to ZooKeeper 
failed:org.apache.solr.common.cloud.ZooKeeperException: 
   [junit4]   2>        at 
org.apache.solr.cloud.ZkController$1.command(ZkController.java:407)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ConnectionManager$1.update(ConnectionManager.java:168)
   [junit4]   2>        at 
org.apache.solr.common.cloud.DefaultConnectionStrategy.reconnect(DefaultConnectionStrategy.java:57)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ConnectionManager.process(ConnectionManager.java:142)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$3.lambda$process$0(SolrZkClient.java:269)
   [junit4]   2>        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514)
   [junit4]   2>        at 
java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
   [junit4]   2>        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:188)
   [junit4]   2>        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
   [junit4]   2>        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
   [junit4]   2>        at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]   2> Caused by: java.lang.RuntimeException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.createOverseerNode(Overseer.java:764)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.start(Overseer.java:513)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerElectionContext.runLeaderProcess(ElectionContext.java:798)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:170)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:135)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:307)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:216)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkController$1.command(ZkController.java:347)
   [junit4]   2>        ... 10 more
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$9.execute(SolrZkClient.java:392)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$9.execute(SolrZkClient.java:389)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.create(SolrZkClient.java:389)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.createOverseerNode(Overseer.java:755)
   [junit4]   2>        ... 17 more
   [junit4]   2> 
   [junit4]   2> 1063968 WARN  (zkCallback-2505-thread-5) [    ] 
o.a.s.c.c.DefaultConnectionStrategy Reconnect to ZooKeeper failed
   [junit4]   2> 1063968 INFO  (zkCallback-2505-thread-5) [    ] 
o.a.s.c.c.ConnectionManager Connected:false
   [junit4]   2> 1063969 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Connection with ZooKeeper reestablished.
   [junit4]   2> 1063969 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.ZkController ZooKeeper session re-connected ... refreshing core states 
after session expiration.
   [junit4]   2> 1063973 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 
dummy.host.com:8984_solr
   [junit4]   2> 1063975 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.Overseer Overseer 
(id=98772196019077124-dummy.host.com:8984_solr-n_0000000002) starting
   [junit4]   2> 1064079 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@170e2ab9 name: 
ZooKeeperConnection Watcher:127.0.0.1:39547/solr got event WatchedEvent 
state:Disconnected type:None path:null path: null type: None
   [junit4]   2> 1064079 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager zkClient has disconnected
   [junit4]   2> 1065627 WARN  
(zkCallback-2505-thread-5-SendThread(127.0.0.1:39547)) [    ] o.a.z.ClientCnxn 
Unable to reconnect to ZooKeeper service, session 0x15ee8c9f9670004 has expired
   [junit4]   2> 1065627 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@170e2ab9 name: 
ZooKeeperConnection Watcher:127.0.0.1:39547/solr got event WatchedEvent 
state:Expired type:None path:null path: null type: None
   [junit4]   2> 1065627 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Our previous ZooKeeper session was expired. 
Attempting to reconnect to recover relationship with ZooKeeper...
   [junit4]   2> 1065727 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.Overseer Overseer 
(id=98772196019077124-dummy.host.com:8984_solr-n_0000000002) closing
   [junit4]   2> 1065727 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.DefaultConnectionStrategy Connection expired - starting a new one...
   [junit4]   2> 1065727 ERROR (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.ZkController :org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/collection-map-failure
   [junit4]   2>        at 
org.apache.solr.cloud.DistributedMap.<init>(DistributedMap.java:48)
   [junit4]   2>        at 
org.apache.solr.cloud.SizeLimitedDistributedMap.<init>(SizeLimitedDistributedMap.java:38)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getFailureMap(Overseer.java:667)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerCollectionConfigSetProcessor.<init>(OverseerCollectionConfigSetProcessor.java:51)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.start(Overseer.java:522)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerElectionContext.runLeaderProcess(ElectionContext.java:798)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:170)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:135)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:307)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:216)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkController$1.command(ZkController.java:347)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ConnectionManager$1.update(ConnectionManager.java:168)
   [junit4]   2>        at 
org.apache.solr.common.cloud.DefaultConnectionStrategy.reconnect(DefaultConnectionStrategy.java:57)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ConnectionManager.process(ConnectionManager.java:142)
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:530)
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:505)
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/collection-map-failure
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1102)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:323)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:320)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:320)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:93)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:78)
   [junit4]   2>        at 
org.apache.solr.cloud.DistributedMap.<init>(DistributedMap.java:46)
   [junit4]   2>        ... 15 more
   [junit4]   2> 
   [junit4]   2> 1065728 ERROR (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.DefaultConnectionStrategy Reconnect to ZooKeeper 
failed:org.apache.solr.common.cloud.ZooKeeperException: 
   [junit4]   2>        at 
org.apache.solr.cloud.ZkController$1.command(ZkController.java:407)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ConnectionManager$1.update(ConnectionManager.java:168)
   [junit4]   2>        at 
org.apache.solr.common.cloud.DefaultConnectionStrategy.reconnect(DefaultConnectionStrategy.java:57)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ConnectionManager.process(ConnectionManager.java:142)
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:530)
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:505)
   [junit4]   2> Caused by: org.apache.solr.common.SolrException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/collection-map-failure
   [junit4]   2>        at 
org.apache.solr.cloud.DistributedMap.<init>(DistributedMap.java:48)
   [junit4]   2>        at 
org.apache.solr.cloud.SizeLimitedDistributedMap.<init>(SizeLimitedDistributedMap.java:38)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.getFailureMap(Overseer.java:667)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerCollectionConfigSetProcessor.<init>(OverseerCollectionConfigSetProcessor.java:51)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer.start(Overseer.java:522)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerElectionContext.runLeaderProcess(ElectionContext.java:798)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:170)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:135)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:307)
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:216)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkController$1.command(ZkController.java:347)
   [junit4]   2>        ... 5 more
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /overseer/collection-map-failure
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1102)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:323)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:320)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:320)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:93)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:78)
   [junit4]   2>        at 
org.apache.solr.cloud.DistributedMap.<init>(DistributedMap.java:46)
   [junit4]   2>        ... 15 more
   [junit4]   2> 
   [junit4]   2> 1065728 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.DefaultConnectionStrategy Reconnect to ZooKeeper failed
   [junit4]   2> 1065728 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Connected:false
   [junit4]   2> 1065728 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Connection with ZooKeeper reestablished.
   [junit4]   2> 1065728 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.ZkController ZooKeeper session re-connected ... refreshing core states 
after session expiration.
   [junit4]   2> 1065730 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 
dummy.host.com:8984_solr
   [junit4]   2> 1065730 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.Overseer Overseer 
(id=98772196019077125-dummy.host.com:8984_solr-n_0000000003) starting
   [junit4]   2> 1065833 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@170e2ab9 name: 
ZooKeeperConnection Watcher:127.0.0.1:39547/solr got event WatchedEvent 
state:Disconnected type:None path:null path: null type: None
   [junit4]   2> 1065834 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager zkClient has disconnected
   [junit4]   2> 1066958 WARN  
(zkCallback-2505-thread-5-SendThread(127.0.0.1:39547)) [    ] o.a.z.ClientCnxn 
Unable to reconnect to ZooKeeper service, session 0x15ee8c9f9670005 has expired
   [junit4]   2> 1066958 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@170e2ab9 name: 
ZooKeeperConnection Watcher:127.0.0.1:39547/solr got event WatchedEvent 
state:Expired type:None path:null path: null type: None
   [junit4]   2> 1066958 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Our previous ZooKeeper session was expired. 
Attempting to reconnect to recover relationship with ZooKeeper...
   [junit4]   2> 1066958 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.Overseer Overseer 
(id=98772196019077125-dummy.host.com:8984_solr-n_0000000003) closing
   [junit4]   2> 1066958 INFO  
(OverseerCollectionConfigSetProcessor-98772196019077125-dummy.host.com:8984_solr-n_0000000003)
 [    ] o.a.s.c.OverseerTaskProcessor According to ZK I 
(id=98772196019077125-dummy.host.com:8984_solr-n_0000000003) am no longer a 
leader.
   [junit4]   2> 1066958 WARN  
(OverseerAutoScalingTriggerThread-98772196019077125-dummy.host.com:8984_solr-n_0000000003)
 [    ] o.a.s.c.a.OverseerTriggerThread Interrupted
   [junit4]   2> java.lang.InterruptedException: sleep interrupted
   [junit4]   2>        at java.base/java.lang.Thread.sleep(Native Method)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:354)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkStateReader.getAutoScalingConfig(ZkStateReader.java:185)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkStateReader.getAutoScalingConfig(ZkStateReader.java:171)
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:116)
   [junit4]   2>        at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]   2> 1066959 ERROR 
(OverseerCollectionConfigSetProcessor-98772196019077125-dummy.host.com:8984_solr-n_0000000003)
 [    ] o.a.s.c.OverseerTaskProcessor 
:org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode 
= Session expired for /overseer/collection-queue-work
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1532)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:340)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:337)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:337)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkDistributedQueue.fetchZkChildren(ZkDistributedQueue.java:313)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTaskQueue.getTailId(OverseerTaskQueue.java:264)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:163)
   [junit4]   2>        at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]   2> 
   [junit4]   2> 1066958 INFO  
(OverseerStateUpdate-98772196019077125-dummy.host.com:8984_solr-n_0000000003) [ 
   ] o.a.s.c.Overseer According to ZK I 
(id=98772196019077125-dummy.host.com:8984_solr-n_0000000003) am no longer a 
leader.
   [junit4]   2> 1066959 ERROR 
(OverseerCollectionConfigSetProcessor-98772196019077125-dummy.host.com:8984_solr-n_0000000003)
 [    ] o.a.s.c.OverseerTaskProcessor Unable to prioritize overseer 
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /roles.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1102)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:323)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:320)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:320)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerNodePrioritizer.prioritizeOverseerNodes(OverseerNodePrioritizer.java:61)
   [junit4]   2>        at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:178)
   [junit4]   2>        at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]   2> 1066959 INFO  
(OverseerStateUpdate-98772196019077125-dummy.host.com:8984_solr-n_0000000003) [ 
   ] o.a.s.c.Overseer Overseer Loop exiting : dummy.host.com:8984_solr
   [junit4]   2> 1066959 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.DefaultConnectionStrategy Connection expired - starting a new one...
   [junit4]   2> 1066959 ERROR (OverseerExitThread) [    ] o.a.s.c.Overseer 
could not read the data
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1212)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:357)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:354)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:354)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:299)
   [junit4]   2>        at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]   2> 1066960 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Connection with ZooKeeper reestablished.
   [junit4]   2> 1066960 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.ZkController ZooKeeper session re-connected ... refreshing core states 
after session expiration.
   [junit4]   2> 1066961 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 
dummy.host.com:8984_solr
   [junit4]   2> 1066961 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.Overseer Overseer 
(id=98772196019077126-dummy.host.com:8984_solr-n_0000000004) starting
   [junit4]   2> 1066963 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.ZkController Register node as live in 
ZooKeeper:/live_nodes/dummy.host.com:8984_solr
   [junit4]   2> 1066963 INFO  (zkCallback-2505-thread-5) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1066963 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.DefaultConnectionStrategy Reconnected to ZooKeeper
   [junit4]   2> 1066963 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Connected:true
   [junit4]   2> 1066964 WARN  (NIOServerCxn.Factory:0.0.0.0/0.0.0.0:0) [    ] 
o.a.z.s.NIOServerCnxn Exception causing close of session 0x15ee8c9f9670006 due 
to java.nio.channels.CancelledKeyException
   [junit4]   2> 1067064 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@170e2ab9 name: 
ZooKeeperConnection Watcher:127.0.0.1:39547/solr got event WatchedEvent 
state:Disconnected type:None path:null path: null type: None
   [junit4]   2> 1067064 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager zkClient has disconnected
   [junit4]   2> 1068511 WARN  
(zkCallback-2505-thread-5-SendThread(127.0.0.1:39547)) [    ] o.a.z.ClientCnxn 
Unable to reconnect to ZooKeeper service, session 0x15ee8c9f9670006 has expired
   [junit4]   2> 1068511 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@170e2ab9 name: 
ZooKeeperConnection Watcher:127.0.0.1:39547/solr got event WatchedEvent 
state:Expired type:None path:null path: null type: None
   [junit4]   2> 1068511 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Our previous ZooKeeper session was expired. 
Attempting to reconnect to recover relationship with ZooKeeper...
   [junit4]   2> 1068511 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.Overseer Overseer 
(id=98772196019077126-dummy.host.com:8984_solr-n_0000000004) closing
   [junit4]   2> 1068512 INFO  
(OverseerStateUpdate-98772196019077126-dummy.host.com:8984_solr-n_0000000004) [ 
   ] o.a.s.c.Overseer According to ZK I 
(id=98772196019077126-dummy.host.com:8984_solr-n_0000000004) am no longer a 
leader.
   [junit4]   2> 1068512 INFO  
(OverseerStateUpdate-98772196019077126-dummy.host.com:8984_solr-n_0000000004) [ 
   ] o.a.s.c.Overseer Overseer Loop exiting : dummy.host.com:8984_solr
   [junit4]   2> 1068513 ERROR (OverseerExitThread) [    ] o.a.s.c.Overseer 
could not read the data
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1212)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:357)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:354)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:354)
   [junit4]   2>        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:299)
   [junit4]   2>        at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]   2> 1068564 WARN  (zkCallback-2505-thread-8) [    ] 
o.a.s.c.c.ZkStateReader ZooKeeper watch triggered, but Solr cannot talk to ZK: 
[KeeperErrorCode = Session expired for /live_nodes]
   [junit4]   2> 1068564 WARN  
(OverseerAutoScalingTriggerThread-98772196019077126-dummy.host.com:8984_solr-n_0000000004)
 [    ] o.a.s.c.a.NodeLostTrigger Exception removing nodeLost marker 
dummy.host.com:8984_solr
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for 
/autoscaling/nodeLost/dummy.host.com:8984_solr
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.delete(ZooKeeper.java:873)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$2.execute(SolrZkClient.java:246)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$2.execute(SolrZkClient.java:243)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.delete(SolrZkClient.java:243)
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.NodeLostTrigger.removeMarker(NodeLostTrigger.java:293)
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.NodeLostTrigger.lambda$init$0(NodeLostTrigger.java:114)
   [junit4]   2>        at 
java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.NodeLostTrigger.init(NodeLostTrigger.java:108)
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.ScheduledTriggers.add(ScheduledTriggers.java:249)
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:220)
   [junit4]   2>        at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]   2> 1068565 WARN  
(OverseerAutoScalingTriggerThread-98772196019077126-dummy.host.com:8984_solr-n_0000000004)
 [    ] o.a.s.c.a.OverseerTriggerThread Error removing old nodeAdded markers
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: 
KeeperErrorCode = Session expired for /autoscaling/nodeAdded
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1532)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:340)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:337)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:337)
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:246)
   [junit4]   2>        at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]   2> 1068565 WARN  
(OverseerAutoScalingTriggerThread-98772196019077126-dummy.host.com:8984_solr-n_0000000004)
 [    ] o.a.s.c.a.OverseerTriggerThread Interrupted
   [junit4]   2> java.lang.InterruptedException
   [junit4]   2>        at 
java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireInterruptibly(AbstractQueuedSynchronizer.java:1247)
   [junit4]   2>        at 
java.base/java.util.concurrent.locks.ReentrantLock.lockInterruptibly(ReentrantLock.java:317)
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:156)
   [junit4]   2>        at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]   2> 1068565 WARN  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.DefaultConnectionStrategy Connection expired - starting a new one...
   [junit4]   2> 1068567 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ConnectionManager Connection with ZooKeeper reestablished.
   [junit4]   2> 1068567 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.ZkController ZooKeeper session re-connected ... refreshing core states 
after session expiration.
   [junit4]   2> 1068568 INFO  (zkCallback-2505-thread-5-EventThread) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 1068572 WARN  (NIOServerCxn.Factory:0.0.0.0/0.0.0.0:0) [    ] 
o.a.z.s.NIOServerCnxn Exception causing close of session 0x15ee8c9f9670007 due 
to j

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

ecated in version 9.0 and will likely be removed in a future release.
   [junit4] <<< JVM J2: EOF ----

[...truncated 553 lines...]
   [junit4] JVM J2: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-clustering/test/temp/junit4-J2-20171004_193743_0586537024536269583147.syserr
   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J2: EOF ----

[...truncated 3 lines...]
   [junit4] JVM J1: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-clustering/test/temp/junit4-J1-20171004_193743_05810241263648522738805.syserr
   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J1: EOF ----

[...truncated 3 lines...]
   [junit4] JVM J0: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-clustering/test/temp/junit4-J0-20171004_193743_05811464721970641414250.syserr
   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J0: EOF ----

[...truncated 1259 lines...]
   [junit4] JVM J1: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-dataimporthandler-extras/test/temp/junit4-J1-20171004_193801_71210762045563292494307.syserr
   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J1: EOF ----

[...truncated 3 lines...]
   [junit4] JVM J0: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-dataimporthandler-extras/test/temp/junit4-J0-20171004_193801_71217760088454589866904.syserr
   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J0: EOF ----

[...truncated 644 lines...]
   [junit4] JVM J1: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-dataimporthandler/test/temp/junit4-J1-20171004_193808_34312715857706243427130.syserr
   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J1: EOF ----

[...truncated 3 lines...]
   [junit4] JVM J2: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-dataimporthandler/test/temp/junit4-J2-20171004_193808_34314981002720195335803.syserr
   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J2: EOF ----

[...truncated 3 lines...]
   [junit4] JVM J0: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-dataimporthandler/test/temp/junit4-J0-20171004_193808_34317943491811878550826.syserr
   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J0: EOF ----

[...truncated 557 lines...]
   [junit4] JVM J0: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-cell/test/temp/junit4-J0-20171004_193832_51118346854251588486923.syserr
   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J0: EOF ----

[...truncated 3 lines...]
   [junit4] JVM J2: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-cell/test/temp/junit4-J2-20171004_193832_51313585998814215844770.syserr
   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J2: EOF ----

[...truncated 3 lines...]
   [junit4] JVM J1: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-cell/test/temp/junit4-J1-20171004_193832_51314457165600346049372.syserr
   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J1: EOF ----

[...truncated 563 lines...]
   [junit4] JVM J0: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-langid/test/temp/junit4-J0-20171004_193844_2966805668583422945712.syserr
   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J0: EOF ----

   [junit4] JVM J1: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-langid/test/temp/junit4-J1-20171004_193844_2967789978647586095705.syserr
   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J1: EOF ----

[...truncated 646 lines...]
   [junit4] JVM J0: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-ltr/test/temp/junit4-J0-20171004_193851_3233551693418078260065.syserr
   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J0: EOF ----

[...truncated 3 lines...]
   [junit4] JVM J1: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-ltr/test/temp/junit4-J1-20171004_193851_32310262625888472725426.syserr
   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J1: EOF ----

[...truncated 3 lines...]
   [junit4] JVM J2: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-ltr/test/temp/junit4-J2-20171004_193851_3237007310007583362908.syserr
   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J2: EOF ----

[...truncated 596 lines...]
   [junit4] JVM J1: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-uima/test/temp/junit4-J1-20171004_193917_80811849986080288453351.syserr
   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J1: EOF ----

[...truncated 3 lines...]
   [junit4] JVM J0: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-uima/test/temp/junit4-J0-20171004_193917_8084034558041212377804.syserr
   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J0: EOF ----

[...truncated 548 lines...]
   [junit4] JVM J0: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/contrib/solr-velocity/test/temp/junit4-J0-20171004_193928_9695631160661245631184.syserr
   [junit4] >>> JVM J0 emitted unexpected output (verbatim) ----
   [junit4] Java HotSpot(TM) 64-Bit Server VM warning: Option 
UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in 
a future release.
   [junit4] <<< JVM J0: EOF ----

[...truncated 31439 lines...]
BUILD FAILED
/home/jenkins/workspace/Lucene-Solr-master-Linux/build.xml:826: The following 
error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-master-Linux/build.xml:706: The following 
error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-master-Linux/build.xml:693: Source checkout 
is dirty (unversioned/missing files) after running tests!!! Offending files:
* lucene/licenses/morfologik-ukrainian-search-3.7.5.jar.sha1

Total time: 69 minutes 51 seconds
Build step 'Invoke Ant' marked build as failure
Archiving artifacts
[WARNINGS] Skipping publisher since build result is FAILURE
Recording test results
Email was triggered for: Failure - Any
Sending email for trigger: Failure - Any

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