[JENKINS-EA] Lucene-Solr-BadApples-master-Linux (64bit/jdk-15-ea+24) - Build # 394 - Still Unstable!

[Policeman Jenkins Server]

Build: https://jenkins.thetaphi.de/job/Lucene-Solr-BadApples-master-Linux/394/
Java: 64bit/jdk-15-ea+24 -XX:+UseCompressedOops -XX:+UseG1GC

1 tests failed.
FAILED:  org.apache.solr.cloud.LeaderElectionTest.testStressElection

Error Message:
Could not get leader props for collection1 shard1

Stack Trace:
java.lang.RuntimeException: Could not get leader props for collection1 shard1
        at 
__randomizedtesting.SeedInfo.seed([67AE5F5CF126246A:98F88BF296683579]:0)
        at 
org.apache.solr.cloud.LeaderElectionTest.getLeaderUrl(LeaderElectionTest.java:263)
        at 
org.apache.solr.cloud.LeaderElectionTest.getLeaderThread(LeaderElectionTest.java:416)
        at 
org.apache.solr.cloud.LeaderElectionTest.testStressElection(LeaderElectionTest.java:525)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:564)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1754)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:942)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:978)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:992)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:370)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:819)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:470)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:951)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:836)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:887)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:898)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:370)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:826)
        at java.base/java.lang.Thread.run(Thread.java:832)




Build Log:
[...truncated 12856 lines...]
   [junit4] Suite: org.apache.solr.cloud.LeaderElectionTest
   [junit4]   2> 264347 INFO  
(SUITE-LeaderElectionTest-seed#[67AE5F5CF126246A]-worker) [     ] 
o.a.s.SolrTestCase Setting 'solr.default.confdir' system property to 
test-framework derived value of 
'/home/jenkins/workspace/Lucene-Solr-BadApples-master-Linux/solr/server/solr/configsets/_default/conf'
   [junit4]   2> 264347 INFO  
(SUITE-LeaderElectionTest-seed#[67AE5F5CF126246A]-worker) [     ] 
o.a.s.SolrTestCaseJ4 SecureRandom sanity checks: 
test.solr.allowed.securerandom=null & java.security.egd=file:/dev/./urandom
   [junit4]   2> 264347 INFO  
(SUITE-LeaderElectionTest-seed#[67AE5F5CF126246A]-worker) [     ] 
o.a.s.SolrTestCaseJ4 Created dataDir: 
/home/jenkins/workspace/Lucene-Solr-BadApples-master-Linux/solr/build/solr-core/test/J2/temp/solr.cloud.LeaderElectionTest_67AE5F5CF126246A-001/data-dir-31-001
   [junit4]   2> 264347 WARN  
(SUITE-LeaderElectionTest-seed#[67AE5F5CF126246A]-worker) [     ] 
o.a.s.SolrTestCaseJ4 startTrackingSearchers: numOpens=2 numCloses=2
   [junit4]   2> 264347 INFO  
(SUITE-LeaderElectionTest-seed#[67AE5F5CF126246A]-worker) [     ] 
o.a.s.SolrTestCaseJ4 Using PointFields (NUMERIC_POINTS_SYSPROP=true) 
w/NUMERIC_DOCVALUES_SYSPROP=true
   [junit4]   2> 264348 INFO  
(SUITE-LeaderElectionTest-seed#[67AE5F5CF126246A]-worker) [     ] 
o.a.s.SolrTestCaseJ4 Randomized ssl (true) and clientAuth (false) via: 
@org.apache.solr.util.RandomizeSSL(reason="", value=0.0/0.0, ssl=0.0/0.0, 
clientAuth=0.0/0.0)
   [junit4]   2> 264350 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.SolrTestCaseJ4 ###Starting testElection
   [junit4]   2> 264350 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 264352 INFO  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer client port: 0.0.0.0/0.0.0.0:0
   [junit4]   2> 264352 INFO  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer Starting server
   [junit4]   2> 264352 WARN  (ZkTestServer Run Thread) [     ] 
o.a.z.s.ServerCnxnFactory maxCnxns is not configured, using default value 0.
   [junit4]   2> 264452 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer start zk server on port: 41819
   [junit4]   2> 264452 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer waitForServerUp: 127.0.0.1:41819
   [junit4]   2> 264452 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:41819
   [junit4]   2> 264452 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1 41819
   [junit4]   2> 264457 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 264465 INFO  (zkConnectionManagerCallback-3364-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 264465 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 264494 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 264506 INFO  (zkConnectionManagerCallback-3366-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 264507 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 264509 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 264515 INFO  (zkConnectionManagerCallback-3368-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 264515 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 264547 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 264553 INFO  (zkConnectionManagerCallback-3372-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 264553 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 265001 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 265007 INFO  (zkConnectionManagerCallback-3376-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 265008 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 265009 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 265010 INFO  (zkConnectionManagerCallback-3380-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 265010 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 265011 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 265012 INFO  (zkConnectionManagerCallback-3384-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 265012 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 265015 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 265019 INFO  (zkConnectionManagerCallback-3388-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 265019 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 265021 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 265023 INFO  (zkConnectionManagerCallback-3392-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 265023 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 265026 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 265027 INFO  (zkConnectionManagerCallback-3396-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 265027 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 265030 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 265031 INFO  (zkConnectionManagerCallback-3400-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 265031 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 265032 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 265033 INFO  (zkConnectionManagerCallback-3404-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 265033 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 265034 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 265035 INFO  (zkConnectionManagerCallback-3408-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 265035 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 265038 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 265039 INFO  (zkConnectionManagerCallback-3412-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 265039 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 265041 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 265041 INFO  (zkConnectionManagerCallback-3416-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 265041 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 265042 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 265045 INFO  (zkConnectionManagerCallback-3420-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 265045 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 265046 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 265047 INFO  (zkConnectionManagerCallback-3424-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 265047 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 265049 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 265051 INFO  (zkConnectionManagerCallback-3428-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 265051 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 265054 INFO  (Thread-shard10) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 265054 INFO  (Thread-shard11) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 265055 INFO  (Thread-shard12) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 265056 INFO  (Thread-shard10) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72179057910808579-shard10-n_0000000000
   [junit4]   2> 265059 INFO  (Thread-shard13) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 265059 INFO  (Thread-shard16) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 265059 INFO  (Thread-shard15) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 265059 INFO  (Thread-shard14) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 265066 INFO  (Thread-shard17) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 265066 INFO  (Thread-shard18) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 265066 INFO  (Thread-shard19) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 265067 INFO  (Thread-shard111) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 265067 INFO  (Thread-shard110) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 265071 INFO  (Thread-shard112) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 265075 INFO  (Thread-shard113) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 265075 INFO  (Thread-shard114) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 265176 INFO  (zkCallback-3379-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/72179057910808581-shard12-n_0000000001
   [junit4]   2> 265379 INFO  (zkCallback-3375-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/72179057910808580-shard11-n_0000000002
   [junit4]   2> 265682 INFO  (zkCallback-3391-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/72179057910808584-shard15-n_0000000006
   [junit4]   2> 265783 INFO  (zkCallback-3399-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/72179057910808586-shard17-n_0000000007
   [junit4]   2> 265884 INFO  (zkCallback-3403-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/72179057910808587-shard18-n_0000000008
   [junit4]   2> 265883 WARN  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]-SendThread(127.0.0.1:41819))
 [     ] o.a.z.ClientCnxn An exception was thrown while closing send thread for 
session 0x1006e7882ff000a.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x1006e7882ff000a, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x1006e7882ff000a, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:348)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 265985 INFO  (zkCallback-3411-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/72179057910808589-shard110-n_0000000009
   [junit4]   2> 266188 INFO  (zkCallback-3415-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/72179057910808590-shard111-n_0000000010
   [junit4]   2> 266288 INFO  (zkCallback-3419-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/72179057910808591-shard112-n_0000000012
   [junit4]   2> 266390 INFO  (zkCallback-3427-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/72179057910808593-shard114-n_0000000013
   [junit4]   2> 266792 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer Shutting down ZkTestServer.
   [junit4]   2> 266995 WARN  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer Watch limit violations: 
   [junit4]   2> Maximum concurrent data watches above limit:
   [junit4]   2> 
   [junit4]   2>        3       
/solr/collections/collection1/leader_elect/shard1/election/72179057910808580-shard11-n_0000000002
   [junit4]   2>        2       
/solr/collections/collection1/leader_elect/shard1/election/72179057910808590-shard111-n_0000000010
   [junit4]   2>        2       
/solr/collections/collection1/leader_elect/shard1/election/72179057910808585-shard16-n_0000000003
   [junit4]   2> 
   [junit4]   2> 266996 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer waitForServerDown: 127.0.0.1:41819
   [junit4]   2> 266996 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:41819
   [junit4]   2> 266996 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1 41819
   [junit4]   2> 266996 INFO  
(TEST-LeaderElectionTest.testElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.SolrTestCaseJ4 ###Ending testElection
   [junit4]   2> 266998 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.SolrTestCaseJ4 ###Starting testParallelElection
   [junit4]   2> 266999 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 266999 INFO  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer client port: 0.0.0.0/0.0.0.0:0
   [junit4]   2> 266999 INFO  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer Starting server
   [junit4]   2> 266999 WARN  (ZkTestServer Run Thread) [     ] 
o.a.z.s.ServerCnxnFactory maxCnxns is not configured, using default value 0.
   [junit4]   2> 267099 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer start zk server on port: 43503
   [junit4]   2> 267099 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer waitForServerUp: 127.0.0.1:43503
   [junit4]   2> 267099 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:43503
   [junit4]   2> 267099 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1 43503
   [junit4]   2> 267100 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 267101 INFO  (zkConnectionManagerCallback-3432-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 267101 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 267103 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 267116 INFO  (zkConnectionManagerCallback-3434-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 267116 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 267118 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 267139 INFO  (zkConnectionManagerCallback-3436-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 267139 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 267154 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.LeaderElectionTest Testing parallel election across 3 shards
   [junit4]   2> 267155 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 267156 INFO  (zkConnectionManagerCallback-3440-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 267156 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 267157 INFO  (Thread-parshard11) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/parshard1
   [junit4]   2> 267157 INFO  (Thread-parshard31) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/parshard3
   [junit4]   2> 267157 INFO  (Thread-parshard21) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/parshard2
   [junit4]   2> 267165 INFO  (Thread-parshard11) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/parshard1/leader after winning as 
/collections/collection1/leader_elect/parshard1/election/72179058084151299-parshard11-n_0000000000
   [junit4]   2> 267165 INFO  (Thread-parshard31) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/parshard3/leader after winning as 
/collections/collection1/leader_elect/parshard3/election/72179058084151299-parshard31-n_0000000000
   [junit4]   2> 267165 INFO  (Thread-parshard21) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/parshard2/leader after winning as 
/collections/collection1/leader_elect/parshard2/election/72179058084151299-parshard21-n_0000000000
   [junit4]   2> 267257 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.LeaderElectionTest First replicas brought up and registered
   [junit4]   2> 267258 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 267259 INFO  (zkConnectionManagerCallback-3444-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 267259 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 267260 INFO  (Thread-parshard12) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/parshard1
   [junit4]   2> 267260 INFO  (Thread-parshard22) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/parshard2
   [junit4]   2> 267260 INFO  (Thread-parshard32) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/parshard3
   [junit4]   2> 267359 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.LeaderElectionTest Second replicas brought up and registered
   [junit4]   2> 267361 INFO  (zkCallback-3443-thread-1) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/parshard1/leader after winning as 
/collections/collection1/leader_elect/parshard1/election/72179058084151300-parshard12-n_0000000001
   [junit4]   2> 267361 INFO  (zkCallback-3443-thread-2) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/parshard2/leader after winning as 
/collections/collection1/leader_elect/parshard2/election/72179058084151300-parshard22-n_0000000001
   [junit4]   2> 267361 INFO  (zkCallback-3443-thread-3) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/parshard3/leader after winning as 
/collections/collection1/leader_elect/parshard3/election/72179058084151300-parshard32-n_0000000001
   [junit4]   2> 267362 INFO  (zkCallback-3443-thread-1) [     ] 
o.a.s.c.LeaderElectionTest Sleeping for 20000ms to simulate leadership takeover 
delay
   [junit4]   2> 267362 INFO  (zkCallback-3443-thread-2) [     ] 
o.a.s.c.LeaderElectionTest Sleeping for 20000ms to simulate leadership takeover 
delay
   [junit4]   2> 267362 INFO  (zkCallback-3443-thread-3) [     ] 
o.a.s.c.LeaderElectionTest Sleeping for 20000ms to simulate leadership takeover 
delay
   [junit4]   2> 287565 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer Shutting down ZkTestServer.
   [junit4]   2> 287768 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer waitForServerDown: 127.0.0.1:43503
   [junit4]   2> 287768 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:43503
   [junit4]   2> 287768 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1 43503
   [junit4]   2> 287768 INFO  
(TEST-LeaderElectionTest.testParallelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.SolrTestCaseJ4 ###Ending testParallelElection
   [junit4]   2> 287771 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.SolrTestCaseJ4 ###Starting testBasic
   [junit4]   2> 287771 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 287771 INFO  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer client port: 0.0.0.0/0.0.0.0:0
   [junit4]   2> 287771 INFO  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer Starting server
   [junit4]   2> 287772 WARN  (ZkTestServer Run Thread) [     ] 
o.a.z.s.ServerCnxnFactory maxCnxns is not configured, using default value 0.
   [junit4]   2> 287871 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer start zk server on port: 41633
   [junit4]   2> 287871 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer waitForServerUp: 127.0.0.1:41633
   [junit4]   2> 287871 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:41633
   [junit4]   2> 287871 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1 41633
   [junit4]   2> 287873 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 287875 INFO  (zkConnectionManagerCallback-3448-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 287875 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 287886 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 287896 INFO  (zkConnectionManagerCallback-3450-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 287896 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 287898 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 287901 INFO  (zkConnectionManagerCallback-3452-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 287901 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 287991 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard2
   [junit4]   2> 288006 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard2/leader after winning as 
/collections/collection1/leader_elect/shard2/election/72179059445399554-dummynode1-n_0000000000
   [junit4]   2> 288108 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer Shutting down ZkTestServer.
   [junit4]   2> 288210 WARN  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]-SendThread(127.0.0.1:41633))
 [     ] o.a.z.ClientCnxn An exception was thrown while closing send thread for 
session 0x1006e78de770001.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x1006e78de770001, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x1006e78de770001, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:348)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 288314 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer waitForServerDown: 127.0.0.1:41633
   [junit4]   2> 288314 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:41633
   [junit4]   2> 288314 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1 41633
   [junit4]   2> 288314 INFO  
(TEST-LeaderElectionTest.testBasic-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.SolrTestCaseJ4 ###Ending testBasic
   [junit4]   2> 288317 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.SolrTestCaseJ4 ###Starting testStressElection
   [junit4]   2> 288318 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 288318 INFO  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer client port: 0.0.0.0/0.0.0.0:0
   [junit4]   2> 288318 INFO  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer Starting server
   [junit4]   2> 288319 WARN  (ZkTestServer Run Thread) [     ] 
o.a.z.s.ServerCnxnFactory maxCnxns is not configured, using default value 0.
   [junit4]   2> 288418 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer start zk server on port: 42167
   [junit4]   2> 288418 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer waitForServerUp: 127.0.0.1:42167
   [junit4]   2> 288418 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:42167
   [junit4]   2> 288418 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1 42167
   [junit4]   2> 288420 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 288423 INFO  (zkConnectionManagerCallback-3456-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288423 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 288440 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 288447 INFO  (zkConnectionManagerCallback-3458-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288447 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 288448 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 288457 INFO  (zkConnectionManagerCallback-3460-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288457 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 288474 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 288477 INFO  (zkConnectionManagerCallback-3465-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288478 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 288483 INFO  (stressElection-3463-thread-1) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 288493 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288500 INFO  (zkConnectionManagerCallback-3469-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288500 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288533 INFO  (stressElection-3463-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/72179059481772035-shard10-n_0000000000
   [junit4]   2> 288538 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288544 WARN  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]-SendThread(127.0.0.1:42167))
 [     ] o.a.z.ClientCnxn Session 0x1006e78e0a20002 for sever 
localhost.localdomain/127.0.0.1:42167, Closing socket connection. Attempting 
reconnect except it is a SessionExpiredException.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x1006e78e0a20002, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x1006e78e0a20002, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:348)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 288544 INFO  (zkConnectionManagerCallback-3473-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288544 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288545 WARN  (NIOWorkerThread-14) [     ] 
o.a.z.s.NIOServerCnxn Unexpected exception
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from client, it probably closed the socket: address = /127.0.0.1:45318, 
session = 0x1006e78e0a20004
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.handleFailedRead(NIOServerCnxn.java:163)
   [junit4]   2> org.apache.zookeeper.server.ServerCnxn$EndOfStreamException: 
Unable to read additional data from client, it probably closed the socket: 
address = /127.0.0.1:45318, session = 0x1006e78e0a20004
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.handleFailedRead(NIOServerCnxn.java:163)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:326) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxnFactory$IOWorkRequest.doWork(NIOServerCnxnFactory.java:522)
 [zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.server.WorkerService$ScheduledWorkRequest.run(WorkerService.java:154)
 [zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) 
[?:?]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) 
[?:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:832) [?:?]
   [junit4]   2> 288546 WARN  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]-SendThread(127.0.0.1:42167))
 [     ] o.a.z.ClientCnxn An exception was thrown while closing send thread for 
session 0x1006e78e0a20003.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x1006e78e0a20003, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x1006e78e0a20003, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:348)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 288550 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288559 INFO  (zkConnectionManagerCallback-3477-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288559 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288572 INFO  (stressElection-3463-thread-2) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 288574 INFO  (stressElection-3463-thread-2) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection1/leaders/shard1/leader after winning as 
/collections/collection1/leader_elect/shard1/election/72179059481772037-shard12-n_0000000001
   [junit4]   2> 288584 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288585 INFO  (zkConnectionManagerCallback-3481-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288585 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288602 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288614 INFO  (zkConnectionManagerCallback-3485-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288615 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288626 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288628 INFO  (stressElection-3463-thread-3) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 288631 INFO  (zkConnectionManagerCallback-3489-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288631 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288636 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288645 WARN  (zkConnectionManagerCallback-3460-thread-1) [     
] o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@2980c132 name: 
ZooKeeperConnection Watcher:127.0.0.1:42167/solr got event WatchedEvent 
state:Disconnected type:None path:null path: null type: None
   [junit4]   2> 288645 WARN  (zkConnectionManagerCallback-3460-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has disconnected
   [junit4]   2> 288648 INFO  (zkConnectionManagerCallback-3493-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288648 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288666 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288679 INFO  (zkConnectionManagerCallback-3497-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288679 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288683 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288684 INFO  (zkConnectionManagerCallback-3501-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288684 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288699 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288700 INFO  (zkConnectionManagerCallback-3505-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288700 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288706 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288707 INFO  (zkConnectionManagerCallback-3509-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288707 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288711 INFO  (stressElection-3463-thread-5) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 288714 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288715 INFO  (stressElection-3463-thread-6) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 288715 INFO  (zkConnectionManagerCallback-3513-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288715 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288723 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288724 INFO  (stressElection-3463-thread-8) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 288731 INFO  (zkConnectionManagerCallback-3517-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288731 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288731 INFO  (stressElection-3463-thread-9) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 288746 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288747 INFO  (zkConnectionManagerCallback-3521-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288747 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288761 ERROR (stressElection-3463-thread-6) [     ] 
o.a.s.c.LeaderElectionTest setup failed
   [junit4]   2>           => java.lang.RuntimeException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /collections/collection1/leaders/shard1
   [junit4]   2>        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase.<init>(ShardLeaderElectionContextBase.java:81)
   [junit4]   2> java.lang.RuntimeException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /collections/collection1/leaders/shard1
   [junit4]   2>        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase.<init>(ShardLeaderElectionContextBase.java:81)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElectionTest$TestLeaderElectionContext.<init>(LeaderElectionTest.java:93)
 ~[test/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElectionTest$ClientThread.setupOnConnect(LeaderElectionTest.java:165)
 ~[test/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElectionTest$ClientThread.run(LeaderElectionTest.java:177)
 [test/:?]
   [junit4]   2>        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?]
   [junit4]   2>        at 
java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
   [junit4]   2>        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
 [?:?]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) 
[?:?]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) 
[?:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:832) [?:?]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /collections/collection1/leaders/shard1
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:2246) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:315)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:315) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:108) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase.<init>(ShardLeaderElectionContextBase.java:79)
 ~[java/:?]
   [junit4]   2>        ... 9 more
   [junit4]   2> 288769 WARN  (Thread-748-SendThread(127.0.0.1:42167)) [     ] 
o.a.z.ClientCnxn An exception was thrown while closing send thread for session 
0x1006e78e0a20008.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x1006e78e0a20008, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x1006e78e0a20008, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:348)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 288774 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288787 INFO  (stressElection-3463-thread-4) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 288802 INFO  (zkConnectionManagerCallback-3525-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288802 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288818 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288838 INFO  (zkConnectionManagerCallback-3529-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288838 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288842 INFO  (stressElection-3463-thread-11) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 288842 WARN  (Thread-748-SendThread(127.0.0.1:42167)) [     ] 
o.a.z.ClientCnxn Session 0x1006e78e0a20004 for sever 
localhost.localdomain/127.0.0.1:42167, Closing socket connection. Attempting 
reconnect except it is a SessionExpiredException.
   [junit4]   2>           => java.nio.channels.CancelledKeyException
   [junit4]   2>        at 
java.base/sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:74)
   [junit4]   2> java.nio.channels.CancelledKeyException: null
   [junit4]   2>        at 
sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:74) ~[?:?]
   [junit4]   2>        at 
sun.nio.ch.SelectionKeyImpl.interestOps(SelectionKeyImpl.java:93) ~[?:?]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.enableWrite(ClientCnxnSocketNIO.java:377)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:353)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 288851 INFO  (stressElection-3463-thread-12) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 288858 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288862 INFO  (stressElection-3463-thread-7) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 288873 INFO  (zkConnectionManagerCallback-3533-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288873 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288873 INFO  (stressElection-3463-thread-13) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 288886 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288902 INFO  (zkConnectionManagerCallback-3537-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288903 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288922 INFO  (stressElection-3463-thread-10) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 288922 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288932 INFO  (stressElection-3463-thread-1) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 288937 INFO  (stressElection-3463-thread-14) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 288939 INFO  (stressElection-3463-thread-15) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 288945 WARN  (zkConnectionManagerCallback-3469-thread-1) [     
] o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@867042e name: 
ZooKeeperConnection Watcher:127.0.0.1:42167/solr got event WatchedEvent 
state:Disconnected type:None path:null path: null type: None
   [junit4]   2> 288945 WARN  (zkConnectionManagerCallback-3469-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has disconnected
   [junit4]   2> 288947 INFO  (zkConnectionManagerCallback-3541-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288947 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288963 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 288982 INFO  (zkConnectionManagerCallback-3545-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 288983 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 288994 ERROR (stressElection-3463-thread-1) [     ] 
o.a.s.c.LeaderElectionTest setup failed
   [junit4]   2>           => java.lang.RuntimeException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /collections/collection1/leaders/shard1
   [junit4]   2>        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase.<init>(ShardLeaderElectionContextBase.java:81)
   [junit4]   2> java.lang.RuntimeException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /collections/collection1/leaders/shard1
   [junit4]   2>        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase.<init>(ShardLeaderElectionContextBase.java:81)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElectionTest$TestLeaderElectionContext.<init>(LeaderElectionTest.java:93)
 ~[test/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElectionTest$ClientThread.setupOnConnect(LeaderElectionTest.java:165)
 ~[test/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElectionTest$ClientThread.run(LeaderElectionTest.java:177)
 [test/:?]
   [junit4]   2>        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?]
   [junit4]   2>        at 
java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
   [junit4]   2>        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
 [?:?]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) 
[?:?]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) 
[?:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:832) [?:?]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /collections/collection1/leaders/shard1
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:134) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:2246) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:315)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:315) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:108) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase.<init>(ShardLeaderElectionContextBase.java:79)
 ~[java/:?]
   [junit4]   2>        ... 9 more
   [junit4]   2> 289001 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Waiting for client to connect to ZooKeeper
   [junit4]   2> 289006 INFO  (zkConnectionManagerCallback-3549-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 289007 INFO  (Thread-748) [     ] o.a.s.c.c.ConnectionManager 
Client is connected to ZooKeeper
   [junit4]   2> 289086 INFO  (stressElection-3463-thread-6) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 289094 WARN  (NIOWorkerThread-4) [     ] o.a.z.s.NIOServerCnxn 
Unexpected exception
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from client, it probably closed the socket: address = /127.0.0.1:45340, 
session = 0x1006e78e0a2000f
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.handleFailedRead(NIOServerCnxn.java:163)
   [junit4]   2> org.apache.zookeeper.server.ServerCnxn$EndOfStreamException: 
Unable to read additional data from client, it probably closed the socket: 
address = /127.0.0.1:45340, session = 0x1006e78e0a2000f
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.handleFailedRead(NIOServerCnxn.java:163)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:326) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxnFactory$IOWorkRequest.doWork(NIOServerCnxnFactory.java:522)
 [zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.server.WorkerService$ScheduledWorkRequest.run(WorkerService.java:154)
 [zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) 
[?:?]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) 
[?:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:832) [?:?]
   [junit4]   2> 289108 INFO  (stressElection-3463-thread-3) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 289119 INFO  (stressElection-3463-thread-1) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 290069 WARN  (Thread-748-SendThread(127.0.0.1:42167)) [     ] 
o.a.z.ClientCnxn An exception was thrown while closing send thread for session 
0x1006e78e0a2000f.
   [junit4]   2>           => java.nio.channels.CancelledKeyException
   [junit4]   2>        at 
java.base/sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:74)
   [junit4]   2> java.nio.channels.CancelledKeyException: null
   [junit4]   2>        at 
sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:74) ~[?:?]
   [junit4]   2>        at 
sun.nio.ch.SelectionKeyImpl.interestOps(SelectionKeyImpl.java:93) ~[?:?]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.enableWrite(ClientCnxnSocketNIO.java:377)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:353)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 290202 WARN  (NIOWorkerThread-5) [     ] o.a.z.s.NIOServerCnxn 
Unexpected exception
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from client, it probably closed the socket: address = /127.0.0.1:45336, 
session = 0x1006e78e0a2000d
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.handleFailedRead(NIOServerCnxn.java:163)
   [junit4]   2> org.apache.zookeeper.server.ServerCnxn$EndOfStreamException: 
Unable to read additional data from client, it probably closed the socket: 
address = /127.0.0.1:45336, session = 0x1006e78e0a2000d
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.handleFailedRead(NIOServerCnxn.java:163)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:326) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxnFactory$IOWorkRequest.doWork(NIOServerCnxnFactory.java:522)
 [zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.server.WorkerService$ScheduledWorkRequest.run(WorkerService.java:154)
 [zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) 
[?:?]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) 
[?:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:832) [?:?]
   [junit4]   2> 290227 INFO  (stressElection-3463-thread-8) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 290295 INFO  (stressElection-3463-thread-6) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 290302 WARN  (Thread-748-SendThread(127.0.0.1:42167)) [     ] 
o.a.z.ClientCnxn An exception was thrown while closing send thread for session 
0x1006e78e0a2000e.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x1006e78e0a2000e, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x1006e78e0a2000e, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:348)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 290379 WARN  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]-SendThread(127.0.0.1:42167))
 [     ] o.a.z.ClientCnxn Unable to reconnect to ZooKeeper service, session 
0x1006e78e0a20002 has expired
   [junit4]   2> 290379 WARN  (zkConnectionManagerCallback-3460-thread-1) [     
] o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@2980c132 name: 
ZooKeeperConnection Watcher:127.0.0.1:42167/solr got event WatchedEvent 
state:Expired type:None path:null path: null type: None
   [junit4]   2> 290379 WARN  (zkConnectionManagerCallback-3460-thread-1) [     
] o.a.s.c.c.ConnectionManager Our previous ZooKeeper session was expired. 
Attempting to reconnect to recover relationship with ZooKeeper...
   [junit4]   2> 290379 WARN  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]-SendThread(127.0.0.1:42167))
 [     ] o.a.z.ClientCnxn Session 0x1006e78e0a20002 for sever 
localhost.localdomain/127.0.0.1:42167, Closing socket connection. Attempting 
reconnect except it is a SessionExpiredException.
   [junit4]   2>           => 
org.apache.zookeeper.ClientCnxn$SessionExpiredException: Unable to reconnect to 
ZooKeeper service, session 0x1006e78e0a20002 has expired
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.onConnected(ClientCnxn.java:1406)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$SessionExpiredException: 
Unable to reconnect to ZooKeeper service, session 0x1006e78e0a20002 has expired
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.onConnected(ClientCnxn.java:1406) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocket.readConnectResult(ClientCnxnSocket.java:154)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:84) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:348)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 290379 WARN  (zkConnectionManagerCallback-3460-thread-1) [     
] o.a.s.c.c.DefaultConnectionStrategy Connection expired - starting a new one...
   [junit4]   2> 290382 INFO  (zkConnectionManagerCallback-3460-thread-1) [     
] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 290384 INFO  
(zkConnectionManagerCallback-3460-thread-1-EventThread) [     ] 
o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 290384 INFO  (zkConnectionManagerCallback-3460-thread-1) [     
] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 290384 INFO  (zkConnectionManagerCallback-3460-thread-1) [     
] o.a.s.c.c.DefaultConnectionStrategy Reconnected to ZooKeeper
   [junit4]   2> 290384 INFO  (zkConnectionManagerCallback-3460-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient Connected: true
   [junit4]   2> 290423 WARN  (Thread-748-SendThread(127.0.0.1:42167)) [     ] 
o.a.z.ClientCnxn An exception was thrown while closing send thread for session 
0x1006e78e0a2000d.
   [junit4]   2>           => java.nio.channels.CancelledKeyException
   [junit4]   2>        at 
java.base/sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:74)
   [junit4]   2> java.nio.channels.CancelledKeyException: null
   [junit4]   2>        at 
sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:74) ~[?:?]
   [junit4]   2>        at 
sun.nio.ch.SelectionKeyImpl.interestOps(SelectionKeyImpl.java:93) ~[?:?]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.enableWrite(ClientCnxnSocketNIO.java:377)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:353)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 290424 INFO  (stressElection-3463-thread-10) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection1/leaders/shard1
   [junit4]   2> 290445 ERROR (stressElection-3463-thread-11) [     ] 
o.a.s.c.LeaderElectionTest setup failed
   [junit4]   2>           => org.apache.solr.common.AlreadyClosedException
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:69)
   [junit4]   2> org.apache.solr.common.AlreadyClosedException: null
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:69)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:315) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:108) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.ShardLeaderElectionContextBase.<init>(ShardLeaderElectionContextBase.java:79)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElectionTest$TestLeaderElectionContext.<init>(LeaderElectionTest.java:93)
 ~[test/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElectionTest$ClientThread.setupOnConnect(LeaderElectionTest.java:165)
 ~[test/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.LeaderElectionTest$ClientThread.run(LeaderElectionTest.java:177)
 [test/:?]
   [junit4]   2>        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?]
   [junit4]   2>        at 
java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
   [junit4]   2>        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
 [?:?]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) 
[?:?]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) 
[?:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:832) [?:?]
   [junit4]   2> 290745 WARN  (NIOWorkerThread-29) [     ] 
o.a.z.s.NIOServerCnxn Unexpected exception
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from client, it probably closed the socket: address = /127.0.0.1:45334, 
session = 0x1006e78e0a2000c
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.handleFailedRead(NIOServerCnxn.java:163)
   [junit4]   2> org.apache.zookeeper.server.ServerCnxn$EndOfStreamException: 
Unable to read additional data from client, it probably closed the socket: 
address = /127.0.0.1:45334, session = 0x1006e78e0a2000c
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.handleFailedRead(NIOServerCnxn.java:163)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:326) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxnFactory$IOWorkRequest.doWork(NIOServerCnxnFactory.java:522)
 [zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.server.WorkerService$ScheduledWorkRequest.run(WorkerService.java:154)
 [zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) 
[?:?]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) 
[?:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:832) [?:?]
   [junit4]   2> 291319 WARN  (Thread-748-SendThread(127.0.0.1:42167)) [     ] 
o.a.z.ClientCnxn An exception was thrown while closing send thread for session 
0x1006e78e0a2000c.
   [junit4]   2>           => java.nio.channels.CancelledKeyException
   [junit4]   2>        at 
java.base/sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:74)
   [junit4]   2> java.nio.channels.CancelledKeyException: null
   [junit4]   2>        at 
sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:74) ~[?:?]
   [junit4]   2>        at 
sun.nio.ch.SelectionKeyImpl.interestOps(SelectionKeyImpl.java:93) ~[?:?]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.enableWrite(ClientCnxnSocketNIO.java:377)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:353)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 291846 WARN  (NIOWorkerThread-30) [     ] 
o.a.z.s.NIOServerCnxn Unexpected exception
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from client, it probably closed the socket: address = /127.0.0.1:45354, 
session = 0x1006e78e0a20015
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.handleFailedRead(NIOServerCnxn.java:163)
   [junit4]   2> org.apache.zookeeper.server.ServerCnxn$EndOfStreamException: 
Unable to read additional data from client, it probably closed the socket: 
address = /127.0.0.1:45354, session = 0x1006e78e0a20015
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.handleFailedRead(NIOServerCnxn.java:163)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:326) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxnFactory$IOWorkRequest.doWork(NIOServerCnxnFactory.java:522)
 [zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.server.WorkerService$ScheduledWorkRequest.run(WorkerService.java:154)
 [zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) 
[?:?]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) 
[?:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:832) [?:?]
   [junit4]   2> 292017 WARN  (Thread-748-SendThread(127.0.0.1:42167)) [     ] 
o.a.z.ClientCnxn An exception was thrown while closing send thread for session 
0x1006e78e0a20015.
   [junit4]   2>           => java.nio.channels.CancelledKeyException
   [junit4]   2>        at 
java.base/sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:74)
   [junit4]   2> java.nio.channels.CancelledKeyException: null
   [junit4]   2>        at 
sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:74) ~[?:?]
   [junit4]   2>        at 
sun.nio.ch.SelectionKeyImpl.interestOps(SelectionKeyImpl.java:93) ~[?:?]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.enableWrite(ClientCnxnSocketNIO.java:377)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:353)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 292139 WARN  (Thread-748-SendThread(127.0.0.1:42167)) [     ] 
o.a.z.ClientCnxn An exception was thrown while closing send thread for session 
0x1006e78e0a20014.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x1006e78e0a20014, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x1006e78e0a20014, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:348)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   1> / (1)
   [junit4]   1>  /collections (2)
   [junit4]   1>   /collections/collection1 (2)
   [junit4]   1>    /collections/collection1/leaders (1)
   [junit4]   1>     /collections/collection1/leaders/shard1 (0)
   [junit4]   1>    /collections/collection1/leader_elect (1)
   [junit4]   1>     /collections/collection1/leader_elect/shard1 (1)
   [junit4]   1>      /collections/collection1/leader_elect/shard1/election (3)
   [junit4]   1>       
/collections/collection1/leader_elect/shard1/election/72179059481772053-shard118-n_0000000012
 (0)
   [junit4]   1>       
/collections/collection1/leader_elect/shard1/election/72179059481772055-shard120-n_0000000017
 (0)
   [junit4]   1>       
/collections/collection1/leader_elect/shard1/election/72179059481772056-shard121-n_0000000015
 (0)
   [junit4]   1>   /collections/collection2 (0)
   [junit4]   1> 
   [junit4]   2> 322622 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer Shutting down ZkTestServer.
   [junit4]   2> 322723 WARN  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]-SendThread(127.0.0.1:42167))
 [     ] o.a.z.ClientCnxn An exception was thrown while closing send thread for 
session 0x1006e78e0a20001.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x1006e78e0a20001, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x1006e78e0a20001, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:348)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 322742 INFO  (zkCallback-3548-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/72179059481772056-shard121-n_0000000015
   [junit4]   2> 322824 WARN  (Thread-748-SendThread(127.0.0.1:42167)) [     ] 
o.a.z.ClientCnxn Session 0x1006e78e0a20017 for sever 
localhost.localdomain/127.0.0.1:42167, Closing socket connection. Attempting 
reconnect except it is a SessionExpiredException.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x1006e78e0a20017, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x1006e78e0a20017, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:348)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 322824 WARN  (Thread-748-SendThread(127.0.0.1:42167)) [     ] 
o.a.z.ClientCnxn Session 0x1006e78e0a20018 for sever 
localhost.localdomain/127.0.0.1:42167, Closing socket connection. Attempting 
reconnect except it is a SessionExpiredException.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x1006e78e0a20018, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x1006e78e0a20018, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:75) 
~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:348)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 322824 WARN  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer Watch limit violations: 
   [junit4]   2> Maximum concurrent data watches above limit:
   [junit4]   2> 
   [junit4]   2>        4       
/solr/collections/collection1/leader_elect/shard1/election/72179059481772041-shard16-n_0000000006
   [junit4]   2>        3       
/solr/collections/collection1/leader_elect/shard1/election/72179059481772051-shard116-n_0000000009
   [junit4]   2>        3       
/solr/collections/collection1/leader_elect/shard1/election/72179059481772053-shard118-n_0000000012
   [junit4]   2>        2       
/solr/collections/collection1/leader_elect/shard1/election/72179059481772056-shard121-n_0000000015
   [junit4]   2>        2       
/solr/collections/collection1/leader_elect/shard1/election/72179059481772045-shard110-n_0000000005
   [junit4]   2>        2       
/solr/collections/collection1/leader_elect/shard1/election/72179059481772037-shard12-n_0000000001
   [junit4]   2> 
   [junit4]   2> 322825 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer waitForServerDown: 127.0.0.1:42167
   [junit4]   2> 322825 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:42167
   [junit4]   2> 322825 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1 42167
   [junit4]   2> 322825 INFO  
(TEST-LeaderElectionTest.testStressElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.SolrTestCaseJ4 ###Ending testStressElection
   [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=LeaderElectionTest 
-Dtests.method=testStressElection -Dtests.seed=67AE5F5CF126246A 
-Dtests.multiplier=3 -Dtests.slow=true -Dtests.badapples=true 
-Dtests.locale=bo-IN -Dtests.timezone=Asia/Chita -Dtests.asserts=true 
-Dtests.file.encoding=UTF-8
   [junit4] ERROR   34.5s J2 | LeaderElectionTest.testStressElection <<<
   [junit4]    > Throwable #1: java.lang.RuntimeException: Could not get leader 
props for collection1 shard1
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([67AE5F5CF126246A:98F88BF296683579]:0)
   [junit4]    >        at 
org.apache.solr.cloud.LeaderElectionTest.getLeaderUrl(LeaderElectionTest.java:263)
   [junit4]    >        at 
org.apache.solr.cloud.LeaderElectionTest.getLeaderThread(LeaderElectionTest.java:416)
   [junit4]    >        at 
org.apache.solr.cloud.LeaderElectionTest.testStressElection(LeaderElectionTest.java:525)
   [junit4]    >        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   [junit4]    >        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
   [junit4]    >        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]    >        at 
java.base/java.lang.reflect.Method.invoke(Method.java:564)
   [junit4]    >        at java.base/java.lang.Thread.run(Thread.java:832)
   [junit4]   2> 322829 INFO  
(TEST-LeaderElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.SolrTestCaseJ4 ###Starting testCancelElection
   [junit4]   2> 322829 INFO  
(TEST-LeaderElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 322829 INFO  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer client port: 0.0.0.0/0.0.0.0:0
   [junit4]   2> 322829 INFO  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer Starting server
   [junit4]   2> 322830 WARN  (ZkTestServer Run Thread) [     ] 
o.a.z.s.ServerCnxnFactory maxCnxns is not configured, using default value 0.
   [junit4]   2> 322925 WARN  (zkConnectionManagerCallback-3545-thread-1) [     
] o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@4cbcf15b name: 
ZooKeeperConnection Watcher:127.0.0.1:42167/solr got event WatchedEvent 
state:Disconnected type:None path:null path: null type: None
   [junit4]   2> 322925 WARN  (zkConnectionManagerCallback-3545-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has disconnected
   [junit4]   2> 322925 WARN  (zkConnectionManagerCallback-3549-thread-1) [     
] o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@1948538e name: 
ZooKeeperConnection Watcher:127.0.0.1:42167/solr got event WatchedEvent 
state:Disconnected type:None path:null path: null type: None
   [junit4]   2> 322925 WARN  (zkConnectionManagerCallback-3549-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has disconnected
   [junit4]   2> 322929 INFO  
(TEST-LeaderElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer start zk 

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

erElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1 37255
   [junit4]   2> 322931 INFO  
(TEST-LeaderElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 322932 INFO  (zkConnectionManagerCallback-3553-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 322932 INFO  
(TEST-LeaderElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 322933 INFO  
(TEST-LeaderElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 322938 INFO  (zkConnectionManagerCallback-3555-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 322938 INFO  
(TEST-LeaderElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 322941 INFO  
(TEST-LeaderElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 322942 INFO  (zkConnectionManagerCallback-3557-thread-1) [     
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 322942 INFO  
(TEST-LeaderElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 322944 INFO  
(TEST-LeaderElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection2/leaders/slice1
   [junit4]   2> 322958 INFO  
(TEST-LeaderElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection2/leaders/slice1/leader after winning as 
/collections/collection2/leader_elect/slice1/election/72179061743091714-dummynode1-n_0000000000
   [junit4]   2> 323960 INFO  
(TEST-LeaderElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ShardLeaderElectionContextBase make sure parent is created 
/collections/collection2/leaders/slice1
   [junit4]   2> 324615 WARN  (Thread-748-SendThread(127.0.0.1:42167)) [     ] 
o.a.z.ClientCnxn Session 0x1006e78e0a20018 for sever 
localhost.localdomain/127.0.0.1:42167, Closing socket connection. Attempting 
reconnect except it is a SessionExpiredException.
   [junit4]   2>           => java.net.ConnectException: Connection refused
   [junit4]   2>        at java.base/sun.nio.ch.Net.pollConnect(Native Method)
   [junit4]   2> java.net.ConnectException: Connection refused
   [junit4]   2>        at sun.nio.ch.Net.pollConnect(Native Method) ~[?:?]
   [junit4]   2>        at sun.nio.ch.Net.pollConnectNow(Net.java:658) ~[?:?]
   [junit4]   2>        at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:875) ~[?:?]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:342)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 324845 WARN  (Thread-748-SendThread(127.0.0.1:42167)) [     ] 
o.a.z.ClientCnxn Session 0x1006e78e0a20017 for sever 
localhost.localdomain/127.0.0.1:42167, Closing socket connection. Attempting 
reconnect except it is a SessionExpiredException.
   [junit4]   2>           => java.net.ConnectException: Connection refused
   [junit4]   2>        at java.base/sun.nio.ch.Net.pollConnect(Native Method)
   [junit4]   2> java.net.ConnectException: Connection refused
   [junit4]   2>        at sun.nio.ch.Net.pollConnect(Native Method) ~[?:?]
   [junit4]   2>        at sun.nio.ch.Net.pollConnectNow(Net.java:658) ~[?:?]
   [junit4]   2>        at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:875) ~[?:?]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:342)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 324963 INFO  (zkCallback-3556-thread-1) [     ] 
o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node 
/collections/collection2/leaders/slice1/leader after winning as 
/collections/collection2/leader_elect/slice1/election/72179061743091714-dummynode2-n_0000000001
   [junit4]   2> 326064 INFO  
(TEST-LeaderElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer Shutting down ZkTestServer.
   [junit4]   2> 326190 WARN  (Thread-748-SendThread(127.0.0.1:42167)) [     ] 
o.a.z.ClientCnxn Session 0x1006e78e0a20018 for sever 
localhost.localdomain/127.0.0.1:42167, Closing socket connection. Attempting 
reconnect except it is a SessionExpiredException.
   [junit4]   2>           => java.net.ConnectException: Connection refused
   [junit4]   2>        at java.base/sun.nio.ch.Net.pollConnect(Native Method)
   [junit4]   2> java.net.ConnectException: Connection refused
   [junit4]   2>        at sun.nio.ch.Net.pollConnect(Native Method) ~[?:?]
   [junit4]   2>        at sun.nio.ch.Net.pollConnectNow(Net.java:658) ~[?:?]
   [junit4]   2>        at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:875) ~[?:?]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:342)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> 326267 INFO  
(TEST-LeaderElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer waitForServerDown: 127.0.0.1:37255
   [junit4]   2> 326267 INFO  
(TEST-LeaderElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:37255
   [junit4]   2> 326267 INFO  
(TEST-LeaderElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1 37255
   [junit4]   2> 326267 INFO  
(TEST-LeaderElectionTest.testCancelElection-seed#[67AE5F5CF126246A]) [     ] 
o.a.s.SolrTestCaseJ4 ###Ending testCancelElection
   [junit4]   2> 326398 WARN  (Thread-748-SendThread(127.0.0.1:42167)) [     ] 
o.a.z.ClientCnxn An exception was thrown while closing send thread for session 
0x1006e78e0a20017.
   [junit4]   2>           => java.net.ConnectException: Connection refused
   [junit4]   2>        at java.base/sun.nio.ch.Net.pollConnect(Native Method)
   [junit4]   2> java.net.ConnectException: Connection refused
   [junit4]   2>        at sun.nio.ch.Net.pollConnect(Native Method) ~[?:?]
   [junit4]   2>        at sun.nio.ch.Net.pollConnectNow(Net.java:658) ~[?:?]
   [junit4]   2>        at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:875) ~[?:?]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:342)
 ~[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1262) 
[zookeeper-3.6.1.jar:3.6.1]
   [junit4]   2> NOTE: leaving temporary files on disk at: 
/home/jenkins/workspace/Lucene-Solr-BadApples-master-Linux/solr/build/solr-core/test/J2/temp/solr.cloud.LeaderElectionTest_67AE5F5CF126246A-001
   [junit4]   2> Jul 02, 2020 2:29:34 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=Asserting(Lucene86): {}, 
docValues:{}, maxPointsInLeafNode=1087, maxMBSortInHeap=6.637201521155443, 
sim=Asserting(RandomSimilarity(queryNorm=true): {}), locale=bo-IN, 
timezone=Asia/Chita
   [junit4]   2> NOTE: Linux 5.3.0-59-generic amd64/Oracle Corporation 15-ea 
(64-bit)/cpus=16,threads=1,free=39542744,total=220200960
   [junit4]   2> NOTE: All tests run in this JVM: [ResponseBuilderTest, 
ByteBuffersDirectoryFactoryTest, TestSystemCollAutoCreate, TestExpandComponent, 
ZkControllerTest, TestRestoreCore, DefaultValueUpdateProcessorTest, 
TestLRUStatsCache, SmileWriterTest, DistribJoinFromCollectionTest, 
ChaosMonkeySafeLeaderTest, TestNestedDocsSort, TestCollectionAPI, 
TestCloudManagedSchema, TestMergePolicyConfig, TestPolicyCloud, 
ReindexCollectionTest, TestSuggestSpellingConverter, UtilsToolTest, 
TestSweetSpotSimilarityFactory, ConvertedLegacyTest, RollingRestartTest, 
TestFoldingMultitermQuery, IgnoreLargeDocumentProcessorFactoryTest, 
TestHighFrequencyDictionaryFactory, TestRandomCollapseQParserPlugin, 
LeaderElectionTest]
   [junit4] Completed [237/914 (1!)] on J2 in 62.47s, 5 tests, 1 error <<< 
FAILURES!

[...truncated 47298 lines...]
[repro] Jenkins log URL: 
https://jenkins.thetaphi.de/job/Lucene-Solr-BadApples-master-Linux/394/consoleText

[repro] Revision: 76e1d901cb9c35ac8fcec33a17d9e7e78f8b2790

[repro] Repro line:  ant test  -Dtestcase=LeaderElectionTest 
-Dtests.method=testStressElection -Dtests.seed=67AE5F5CF126246A 
-Dtests.multiplier=3 -Dtests.slow=true -Dtests.badapples=true 
-Dtests.locale=bo-IN -Dtests.timezone=Asia/Chita -Dtests.asserts=true 
-Dtests.file.encoding=UTF-8

[repro] JUnit rest result XML files will be moved to: ./repro-reports
[repro] ant clean

[...truncated 6 lines...]
[repro] Test suites by module:
[repro]    solr/core
[repro]       LeaderElectionTest
[repro] ant compile-test

[...truncated 2449 lines...]
[repro] ant test-nocompile -Dtests.dups=5 -Dtests.maxfailures=5 
-Dtests.class="*.LeaderElectionTest" -Dtests.showOutput=onerror  
-Dtests.seed=67AE5F5CF126246A -Dtests.multiplier=3 -Dtests.slow=true 
-Dtests.badapples=true -Dtests.locale=bo-IN -Dtests.timezone=Asia/Chita 
-Dtests.asserts=true -Dtests.file.encoding=UTF-8

[...truncated 101 lines...]
[repro] Failures w/original seeds:
[repro]   0/5 failed: org.apache.solr.cloud.LeaderElectionTest
[repro] Exiting with code 0

[...truncated 49 lines...]

---------------------------------------------------------------------
To unsubscribe, e-mail: builds-unsubscr...@lucene.apache.org
For additional commands, e-mail: builds-h...@lucene.apache.org