[JENKINS] Lucene-Solr-Tests-7.x - Build # 560 - Still Failing

[Apache Jenkins Server]

Build: https://builds.apache.org/job/Lucene-Solr-Tests-7.x/560/

4 tests failed.
FAILED:  junit.framework.TestSuite.org.apache.solr.cloud.ZkControllerTest

Error Message:
ObjectTracker found 1 object(s) that were not released!!! [Overseer] 
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.cloud.Overseer  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at org.apache.solr.cloud.Overseer.start(Overseer.java:545)  at 
org.apache.solr.cloud.OverseerElectionContext.runLeaderProcess(ElectionContext.java:851)
  at 
org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:170) 
 at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:135)  
at org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:307)  at 
org.apache.solr.cloud.LeaderElector.retryElection(LeaderElector.java:393)  at 
org.apache.solr.cloud.ZkController.rejoinOverseerElection(ZkController.java:2069)
  at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331)
  at java.lang.Thread.run(Thread.java:748)  

Stack Trace:
java.lang.AssertionError: ObjectTracker found 1 object(s) that were not 
released!!! [Overseer]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.cloud.Overseer
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at org.apache.solr.cloud.Overseer.start(Overseer.java:545)
        at 
org.apache.solr.cloud.OverseerElectionContext.runLeaderProcess(ElectionContext.java:851)
        at 
org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:170)
        at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:135)
        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:307)
        at 
org.apache.solr.cloud.LeaderElector.retryElection(LeaderElector.java:393)
        at 
org.apache.solr.cloud.ZkController.rejoinOverseerElection(ZkController.java:2069)
        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:331)
        at java.lang.Thread.run(Thread.java:748)


        at __randomizedtesting.SeedInfo.seed([866C23E2775A7BA0]:0)
        at org.junit.Assert.fail(Assert.java:93)
        at org.junit.Assert.assertTrue(Assert.java:43)
        at org.junit.Assert.assertNull(Assert.java:551)
        at 
org.apache.solr.SolrTestCaseJ4.teardownTestCases(SolrTestCaseJ4.java:303)
        at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1737)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:897)
        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 
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:368)
        at java.lang.Thread.run(Thread.java:748)


FAILED:  junit.framework.TestSuite.org.apache.solr.cloud.ZkControllerTest

Error Message:
1 thread leaked from SUITE scope at org.apache.solr.cloud.ZkControllerTest:     
1) Thread[id=3720, 
name=OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001,
 state=RUNNABLE, group=Overseer autoscaling triggers]         at 
java.io.FileOutputStream.writeBytes(Native Method)         at 
java.io.FileOutputStream.write(FileOutputStream.java:326)         at 
java.io.BufferedOutputStream.write(BufferedOutputStream.java:122)         at 
com.carrotsearch.ant.tasks.junit4.slave.EventsOutputStream.write(EventsOutputStream.java:28)
         at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:221)         
at sun.nio.cs.StreamEncoder.implWrite(StreamEncoder.java:282)         at 
sun.nio.cs.StreamEncoder.write(StreamEncoder.java:125)         at 
sun.nio.cs.StreamEncoder.write(StreamEncoder.java:135)         at 
java.io.OutputStreamWriter.write(OutputStreamWriter.java:220)         at 
com.carrotsearch.ant.tasks.junit4.gson.stream.JsonWriter.string(JsonWriter.java:572)
         at 
com.carrotsearch.ant.tasks.junit4.gson.stream.JsonWriter.value(JsonWriter.java:415)
         at 
com.carrotsearch.ant.tasks.junit4.events.AbstractEvent.writeBinaryProperty(AbstractEvent.java:36)
         at 
com.carrotsearch.ant.tasks.junit4.events.AppendStdErrEvent.serialize(AppendStdErrEvent.java:30)
         at 
com.carrotsearch.ant.tasks.junit4.events.Serializer$2.run(Serializer.java:119)  
       at 
com.carrotsearch.ant.tasks.junit4.events.Serializer$2.run(Serializer.java:114)  
       at java.security.AccessController.doPrivileged(Native Method)         at 
com.carrotsearch.ant.tasks.junit4.events.Serializer.flushQueue(Serializer.java:114)
         at 
com.carrotsearch.ant.tasks.junit4.events.Serializer.serialize(Serializer.java:99)
         at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain$3$2.write(SlaveMain.java:472) 
        at 
java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)         
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)         at 
java.io.PrintStream.flush(PrintStream.java:338)         at 
java.io.FilterOutputStream.flush(FilterOutputStream.java:140)         at 
java.io.PrintStream.write(PrintStream.java:482)         at 
org.apache.logging.log4j.core.util.CloseShieldOutputStream.write(CloseShieldOutputStream.java:53)
         at 
org.apache.logging.log4j.core.appender.OutputStreamManager.writeToDestination(OutputStreamManager.java:263)
         at 
org.apache.logging.log4j.core.appender.OutputStreamManager.flushBuffer(OutputStreamManager.java:295)
         at 
org.apache.logging.log4j.core.appender.OutputStreamManager.flush(OutputStreamManager.java:304)
         at 
org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:179)
         at 
org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:170)
         at 
org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:161)
         at 
org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:156)
         at 
org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:129)
         at 
org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:120)
         at 
org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:84)
         at 
org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:448)
         at 
org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:433)
         at 
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:417)    
     at 
org.apache.logging.log4j.core.config.LoggerConfig.logParent(LoggerConfig.java:439)
         at 
org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:434)
         at 
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:417)    
     at 
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:403)    
     at 
org.apache.logging.log4j.core.config.DefaultReliabilityStrategy.log(DefaultReliabilityStrategy.java:49)
         at org.apache.logging.log4j.core.Logger.logMessage(Logger.java:146)    
     at 
org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage(AbstractLogger.java:2170)
         at 
org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2125)
         at 
org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2108)
         at 
org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:2002)
         at 
org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1974)
         at org.apache.logging.slf4j.Log4jLogger.error(Log4jLogger.java:319)    
     at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:146)
         at java.lang.Thread.run(Thread.java:748)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 1 thread leaked from SUITE 
scope at org.apache.solr.cloud.ZkControllerTest: 
   1) Thread[id=3720, 
name=OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001,
 state=RUNNABLE, group=Overseer autoscaling triggers]
        at java.io.FileOutputStream.writeBytes(Native Method)
        at java.io.FileOutputStream.write(FileOutputStream.java:326)
        at java.io.BufferedOutputStream.write(BufferedOutputStream.java:122)
        at 
com.carrotsearch.ant.tasks.junit4.slave.EventsOutputStream.write(EventsOutputStream.java:28)
        at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:221)
        at sun.nio.cs.StreamEncoder.implWrite(StreamEncoder.java:282)
        at sun.nio.cs.StreamEncoder.write(StreamEncoder.java:125)
        at sun.nio.cs.StreamEncoder.write(StreamEncoder.java:135)
        at java.io.OutputStreamWriter.write(OutputStreamWriter.java:220)
        at 
com.carrotsearch.ant.tasks.junit4.gson.stream.JsonWriter.string(JsonWriter.java:572)
        at 
com.carrotsearch.ant.tasks.junit4.gson.stream.JsonWriter.value(JsonWriter.java:415)
        at 
com.carrotsearch.ant.tasks.junit4.events.AbstractEvent.writeBinaryProperty(AbstractEvent.java:36)
        at 
com.carrotsearch.ant.tasks.junit4.events.AppendStdErrEvent.serialize(AppendStdErrEvent.java:30)
        at 
com.carrotsearch.ant.tasks.junit4.events.Serializer$2.run(Serializer.java:119)
        at 
com.carrotsearch.ant.tasks.junit4.events.Serializer$2.run(Serializer.java:114)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
com.carrotsearch.ant.tasks.junit4.events.Serializer.flushQueue(Serializer.java:114)
        at 
com.carrotsearch.ant.tasks.junit4.events.Serializer.serialize(Serializer.java:99)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain$3$2.write(SlaveMain.java:472)
        at 
java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
        at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
        at java.io.PrintStream.flush(PrintStream.java:338)
        at java.io.FilterOutputStream.flush(FilterOutputStream.java:140)
        at java.io.PrintStream.write(PrintStream.java:482)
        at 
org.apache.logging.log4j.core.util.CloseShieldOutputStream.write(CloseShieldOutputStream.java:53)
        at 
org.apache.logging.log4j.core.appender.OutputStreamManager.writeToDestination(OutputStreamManager.java:263)
        at 
org.apache.logging.log4j.core.appender.OutputStreamManager.flushBuffer(OutputStreamManager.java:295)
        at 
org.apache.logging.log4j.core.appender.OutputStreamManager.flush(OutputStreamManager.java:304)
        at 
org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:179)
        at 
org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:170)
        at 
org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:161)
        at 
org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:156)
        at 
org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:129)
        at 
org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:120)
        at 
org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:84)
        at 
org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:448)
        at 
org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:433)
        at 
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:417)
        at 
org.apache.logging.log4j.core.config.LoggerConfig.logParent(LoggerConfig.java:439)
        at 
org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:434)
        at 
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:417)
        at 
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:403)
        at 
org.apache.logging.log4j.core.config.DefaultReliabilityStrategy.log(DefaultReliabilityStrategy.java:49)
        at org.apache.logging.log4j.core.Logger.logMessage(Logger.java:146)
        at 
org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage(AbstractLogger.java:2170)
        at 
org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2125)
        at 
org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2108)
        at 
org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:2002)
        at 
org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1974)
        at org.apache.logging.slf4j.Log4jLogger.error(Log4jLogger.java:319)
        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:146)
        at java.lang.Thread.run(Thread.java:748)
        at __randomizedtesting.SeedInfo.seed([866C23E2775A7BA0]:0)


FAILED:  org.apache.solr.security.PKIAuthenticationIntegrationTest.testPkiAuth

Error Message:
Error from server at http://127.0.0.1:43303/solr: KeeperErrorCode = Session 
expired for /configs/conf

Stack Trace:
org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error 
from server at http://127.0.0.1:43303/solr: KeeperErrorCode = Session expired 
for /configs/conf
        at 
__randomizedtesting.SeedInfo.seed([866C23E2775A7BA0:B6D2BAB397ECFC01]:0)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:643)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:255)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:244)
        at 
org.apache.solr.client.solrj.impl.LBHttpSolrClient.doRequest(LBHttpSolrClient.java:483)
        at 
org.apache.solr.client.solrj.impl.LBHttpSolrClient.request(LBHttpSolrClient.java:413)
        at 
org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:1106)
        at 
org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:886)
        at 
org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:819)
        at 
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:194)
        at 
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:211)
        at 
org.apache.solr.security.PKIAuthenticationIntegrationTest.testPkiAuth(PKIAuthenticationIntegrationTest.java:56)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1737)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:934)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:970)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:984)
        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:368)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:943)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:829)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:879)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:890)
        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 
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:368)
        at java.lang.Thread.run(Thread.java:748)


FAILED:  org.apache.solr.cloud.autoscaling.NodeAddedTriggerTest.testRestoreState

Error Message:
Did not expect the processor to fire on first run! event={   
"id":"14ef8ff39b1c1cTcgd7uj2aoxq6yo6ob9duhi90h",   
"source":"node_added_trigger",   "eventTime":5892901080603676,   
"eventType":"NODEADDED",   "properties":{     "eventTimes":[5892901080603676],  
   "nodeNames":["127.0.0.1:44891_solr"]}}

Stack Trace:
java.lang.AssertionError: Did not expect the processor to fire on first run! 
event={
  "id":"14ef8ff39b1c1cTcgd7uj2aoxq6yo6ob9duhi90h",
  "source":"node_added_trigger",
  "eventTime":5892901080603676,
  "eventType":"NODEADDED",
  "properties":{
    "eventTimes":[5892901080603676],
    "nodeNames":["127.0.0.1:44891_solr"]}}
        at 
__randomizedtesting.SeedInfo.seed([866C23E2775A7BA0:48C287718F6303B6]:0)
        at org.junit.Assert.fail(Assert.java:93)
        at 
org.apache.solr.cloud.autoscaling.NodeAddedTriggerTest.lambda$new$0(NodeAddedTriggerTest.java:49)
        at 
org.apache.solr.cloud.autoscaling.NodeAddedTrigger.run(NodeAddedTrigger.java:161)
        at 
org.apache.solr.cloud.autoscaling.NodeAddedTriggerTest.testRestoreState(NodeAddedTriggerTest.java:257)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1737)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:934)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:970)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:984)
        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:368)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:943)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:829)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:879)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:890)
        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 
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:368)
        at java.lang.Thread.run(Thread.java:748)




Build Log:
[...truncated 12558 lines...]
   [junit4] Suite: org.apache.solr.cloud.ZkControllerTest
   [junit4]   2> 1035750 INFO  
(SUITE-ZkControllerTest-seed#[866C23E2775A7BA0]-worker) [    ] 
o.a.s.SolrTestCaseJ4 SecureRandom sanity checks: 
test.solr.allowed.securerandom=null & java.security.egd=file:/dev/./urandom
   [junit4]   2> Creating dataDir: 
/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-7.x/solr/build/solr-core/test/J1/temp/solr.cloud.ZkControllerTest_866C23E2775A7BA0-001/init-core-data-001
   [junit4]   2> 1035751 WARN  
(SUITE-ZkControllerTest-seed#[866C23E2775A7BA0]-worker) [    ] 
o.a.s.SolrTestCaseJ4 startTrackingSearchers: numOpens=18 numCloses=18
   [junit4]   2> 1035751 INFO  
(SUITE-ZkControllerTest-seed#[866C23E2775A7BA0]-worker) [    ] 
o.a.s.SolrTestCaseJ4 Using PointFields (NUMERIC_POINTS_SYSPROP=true) 
w/NUMERIC_DOCVALUES_SYSPROP=true
   [junit4]   2> 1035765 INFO  
(SUITE-ZkControllerTest-seed#[866C23E2775A7BA0]-worker) [    ] 
o.a.s.SolrTestCaseJ4 Randomized ssl (false) and clientAuth (false) via: 
@org.apache.solr.SolrTestCaseJ4$SuppressSSL(bugUrl=None)
   [junit4]   2> 1035781 INFO  
(TEST-ZkControllerTest.testGetHostName-seed#[866C23E2775A7BA0]) [    ] 
o.a.s.SolrTestCaseJ4 ###Starting testGetHostName
   [junit4]   2> 1035781 INFO  
(TEST-ZkControllerTest.testGetHostName-seed#[866C23E2775A7BA0]) [    ] 
o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 1035781 INFO  (Thread-859) [    ] o.a.s.c.ZkTestServer client 
port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 1035781 INFO  (Thread-859) [    ] o.a.s.c.ZkTestServer 
Starting server
   [junit4]   2> 1035857 ERROR (Thread-859) [    ] o.a.z.s.ZooKeeperServer 
ZKShutdownHandler is not registered, so ZooKeeper server won't take any action 
on ERROR or SHUTDOWN server state changes
   [junit4]   2> 1035930 INFO  
(TEST-ZkControllerTest.testGetHostName-seed#[866C23E2775A7BA0]) [    ] 
o.a.s.c.ZkTestServer start zk server on port:41101
   [junit4]   2> 1036076 INFO  (zkConnectionManagerCallback-902-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1036174 INFO  (zkConnectionManagerCallback-904-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1036247 INFO  
(TEST-ZkControllerTest.testGetHostName-seed#[866C23E2775A7BA0]) [    ] 
o.a.s.c.SolrXmlConfig MBean server found: 
com.sun.jmx.mbeanserver.JmxMBeanServer@476fc72c, but no JMX reporters were 
configured - adding default JMX reporter.
   [junit4]   2> 1036372 INFO  (zkConnectionManagerCallback-908-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1038160 INFO  
(TEST-ZkControllerTest.testGetHostName-seed#[866C23E2775A7BA0]) 
[n:127.0.0.1:8983_solr    ] o.a.s.c.Overseer Overseer (id=null) closing
   [junit4]   2> 1038203 INFO  
(TEST-ZkControllerTest.testGetHostName-seed#[866C23E2775A7BA0]) 
[n:127.0.0.1:8983_solr    ] o.a.s.c.OverseerElectionContext I am going to be 
the leader 127.0.0.1:8983_solr
   [junit4]   2> 1038204 INFO  
(TEST-ZkControllerTest.testGetHostName-seed#[866C23E2775A7BA0]) 
[n:127.0.0.1:8983_solr    ] o.a.s.c.Overseer Overseer 
(id=72443661348831234-127.0.0.1:8983_solr-n_0000000000) starting
   [junit4]   2> 1038237 INFO  (zkConnectionManagerCallback-915-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1038238 INFO  
(TEST-ZkControllerTest.testGetHostName-seed#[866C23E2775A7BA0]) 
[n:127.0.0.1:8983_solr    ] o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 
127.0.0.1:41101/solr ready
   [junit4]   2> 1038288 INFO  
(TEST-ZkControllerTest.testGetHostName-seed#[866C23E2775A7BA0]) 
[n:127.0.0.1:8983_solr    ] o.a.s.c.ZkController Register node as live in 
ZooKeeper:/live_nodes/127.0.0.1:8983_solr
   [junit4]   2> 1038308 INFO  
(TEST-ZkControllerTest.testGetHostName-seed#[866C23E2775A7BA0]) 
[n:127.0.0.1:8983_solr    ] o.a.s.c.Overseer Overseer 
(id=72443661348831234-127.0.0.1:8983_solr-n_0000000000) closing
   [junit4]   2> 1038308 INFO  
(OverseerStateUpdate-72443661348831234-127.0.0.1:8983_solr-n_0000000000) [    ] 
o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:8983_solr
   [junit4]   2> 1038328 INFO  (zkCallback-907-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1038488 WARN  (OverseerExitThread) [    ] o.a.s.c.Overseer I'm 
exiting, but I'm still the leader
   [junit4]   2> 1038488 INFO  (zkCallback-914-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1038509 WARN  (ScheduledTrigger-1529-thread-1) [    ] 
o.a.s.c.a.TriggerBase Exception updating trigger state 
'/autoscaling/triggerState/.auto_add_replicas'
   [junit4]   2> java.lang.InterruptedException: null
   [junit4]   2>        at java.lang.Object.wait(Native Method) ~[?:1.8.0_152]
   [junit4]   2>        at java.lang.Object.wait(Object.java:502) ~[?:1.8.0_152]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1409) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:784) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$create$7(SolrZkClient.java:365)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.create(SolrZkClient.java:365) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.createData(ZkDistribStateManager.java:118)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.TriggerBase.saveState(TriggerBase.java:239) 
[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.ScheduledTriggers$TriggerWrapper.run(ScheduledTriggers.java:596)
 [java/:?]
   [junit4]   2>        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
[?:1.8.0_152]
   [junit4]   2>        at 
java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [?:1.8.0_152]
   [junit4]   2>        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
 [?:1.8.0_152]
   [junit4]   2>        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
 [?:1.8.0_152]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_152]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_152]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> 1038519 WARN  
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000000)
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread has been closed, 
exiting.
   [junit4]   2> 1038576 INFO  (OverseerExitThread) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:8983_solr
   [junit4]   2> 1038577 INFO  (OverseerExitThread) [    ] o.a.s.c.Overseer 
Overseer (id=72443661348831234-127.0.0.1:8983_solr-n_0000000001) starting
   [junit4]   2> 1038679 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038680 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038680 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038681 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038694 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038694 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038694 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038695 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038695 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038695 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038696 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038696 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038697 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038697 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038710 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038710 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038710 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038711 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038711 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038711 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038723 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038723 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038724 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038724 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038724 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038725 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038725 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038725 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038738 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
 ~[java/:?]
   [junit4]   2>        ... 3 more
   [junit4]   2> 1038739 ERROR 
(OverseerAutoScalingTriggerThread-72443661348831234-127.0.0.1:8983_solr-n_0000000001)
 [    ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
   [junit4]   2> java.io.IOException: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131)
 [java/:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) 
~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
 ~[java/:?]
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) 
~[java/:?]
   [jun

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

) -> (2)
   [junit4]   2> 3030070 INFO  (zkCallback-3573-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 3030085 INFO  (zkCallback-3551-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (5) -> (1)
   [junit4]   2> 3030154 INFO  (zkCallback-3566-thread-2) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
   [junit4]   2> 3030164 INFO  (jetty-closer-3520-thread-4) [    ] 
o.a.s.c.ZkController Remove node as live in 
ZooKeeper:/live_nodes/127.0.0.1:33209_solr
   [junit4]   2> 3030165 INFO  (jetty-closer-3520-thread-4) [    ] 
o.a.s.m.SolrMetricManager Closing metric reporters for registry=solr.cluster, 
tag=null
   [junit4]   2> 3030165 INFO  (zkCallback-3588-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 3030165 INFO  (zkCallback-3566-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 3030165 INFO  (zkCallback-3581-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 3030204 INFO  (zkCallback-3551-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (0)
   [junit4]   2> 3030261 INFO  (jetty-closer-3520-thread-1) [    ] 
o.e.j.s.h.ContextHandler Stopped 
o.e.j.s.ServletContextHandler@6d7ec03c{/solr,null,UNAVAILABLE}
   [junit4]   2> 3030261 INFO  (jetty-closer-3520-thread-1) [    ] 
o.e.j.s.session Stopped scavenging
   [junit4]   2> 3030299 WARN  (NIOServerCxn.Factory:0.0.0.0/0.0.0.0:0) [    ] 
o.a.z.s.NIOServerCnxn Unable to read additional data from client sessionid 
0x1015f3e78e1000d, likely client has closed socket
   [junit4]   2> 3030313 WARN  (zkConnectionManagerCallback-3589-thread-1) [    
] o.a.s.c.c.ConnectionManager Watcher 
org.apache.solr.common.cloud.ConnectionManager@22a124ce name: 
ZooKeeperConnection Watcher:127.0.0.1:32869/solr got event WatchedEvent 
state:Disconnected type:None path:null path: null type: None
   [junit4]   2> 3030313 INFO  (zkCallback-3581-thread-1) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:33209_solr
   [junit4]   2> 3030330 INFO  (jetty-closer-3520-thread-3) [    ] 
o.e.j.s.h.ContextHandler Stopped 
o.e.j.s.ServletContextHandler@295d6adb{/solr,null,UNAVAILABLE}
   [junit4]   2> 3030345 INFO  (jetty-closer-3520-thread-3) [    ] 
o.e.j.s.session Stopped scavenging
   [junit4]   2> 3030345 INFO  (jetty-closer-3520-thread-2) [    ] 
o.e.j.s.h.ContextHandler Stopped 
o.e.j.s.ServletContextHandler@726c53f8{/solr,null,UNAVAILABLE}
   [junit4]   2> 3030346 INFO  (jetty-closer-3520-thread-2) [    ] 
o.e.j.s.session Stopped scavenging
   [junit4]   2> 3031849 INFO  (jetty-closer-3520-thread-4) [    ] 
o.e.j.s.h.ContextHandler Stopped 
o.e.j.s.ServletContextHandler@5619051e{/solr,null,UNAVAILABLE}
   [junit4]   2> 3031849 INFO  (jetty-closer-3520-thread-4) [    ] 
o.e.j.s.session Stopped scavenging
   [junit4]   2> 3031872 ERROR 
(SUITE-NodeAddedTriggerTest-seed#[866C23E2775A7BA0]-worker) [    ] 
o.a.z.s.ZooKeeperServer ZKShutdownHandler is not registered, so ZooKeeper 
server won't take any action on ERROR or SHUTDOWN server state changes
   [junit4]   2> 3031873 INFO  
(SUITE-NodeAddedTriggerTest-seed#[866C23E2775A7BA0]-worker) [    ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1:32869 32869
   [junit4]   2> 3032137 INFO  (Thread-2946) [    ] o.a.s.c.ZkTestServer 
connecting to 127.0.0.1:32869 32869
   [junit4]   2> 3032138 WARN  (Thread-2946) [    ] o.a.s.c.ZkTestServer Watch 
limit violations: 
   [junit4]   2> Maximum concurrent create/delete watches above limit:
   [junit4]   2> 
   [junit4]   2>        13      /solr/aliases.json
   [junit4]   2>        13      /solr/clusterprops.json
   [junit4]   2>        6       /solr/security.json
   [junit4]   2> 
   [junit4]   2> Maximum concurrent data watches above limit:
   [junit4]   2> 
   [junit4]   2>        13      /solr/clusterstate.json
   [junit4]   2>        2       
/solr/overseer_elect/election/72443790935261201-127.0.0.1:33209_solr-n_0000000003
   [junit4]   2> 
   [junit4]   2> Maximum concurrent children watches above limit:
   [junit4]   2> 
   [junit4]   2>        13      /solr/live_nodes
   [junit4]   2>        13      /solr/collections
   [junit4]   2> 
   [junit4]   2> NOTE: leaving temporary files on disk at: 
/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-7.x/solr/build/solr-core/test/J2/temp/solr.cloud.autoscaling.NodeAddedTriggerTest_866C23E2775A7BA0-001
   [junit4]   2> NOTE: test params are: 
codec=FastCompressingStoredFields(storedFieldsFormat=CompressingStoredFieldsFormat(compressionMode=FAST,
 chunkSize=9, maxDocsPerChunk=980, blockSize=508), 
termVectorsFormat=CompressingTermVectorsFormat(compressionMode=FAST, 
chunkSize=9, blockSize=508)), sim=RandomSimilarity(queryNorm=false): {}, 
locale=fi-FI, timezone=Asia/Shanghai
   [junit4]   2> NOTE: Linux 4.4.0-112-generic amd64/Oracle Corporation 
1.8.0_152 (64-bit)/cpus=4,threads=1,free=176369536,total=523239424
   [junit4]   2> NOTE: All tests run in this JVM: [HttpPartitionOnCommitTest, 
TestJmxIntegration, MetricTriggerIntegrationTest, TestDefaultStatsCache, 
TestDistributedMissingSort, TestShortCircuitedRequests, HdfsSyncSliceTest, 
TestLockTree, AddReplicaTest, ConvertedLegacyTest, 
TestDynamicFieldCollectionResource, CoreAdminOperationTest, 
RestartWhileUpdatingTest, DeleteShardTest, TestStressCloudBlindAtomicUpdates, 
DocValuesMultiTest, TestConfigSetProperties, TestIntervalFaceting, 
TestBlendedInfixSuggestions, TestExceedMaxTermLength, SearchHandlerTest, 
TestFieldSortValues, TestBulkSchemaConcurrent, BlockJoinFacetRandomTest, 
LeaderFailureAfterFreshStartTest, TestConfigSetsAPI, TestSmileRequest, 
DistributedFacetPivotWhiteBoxTest, TestCoreAdminApis, 
WordBreakSolrSpellCheckerTest, TestDocTermOrds, URLClassifyProcessorTest, 
TestPrepRecovery, TestAtomicUpdateErrorCases, SpellCheckComponentTest, 
HLLUtilTest, BasicDistributedZk2Test, CollectionPropsTest, MoveReplicaHDFSTest, 
UniqFieldsUpdateProcessorFactoryTest, LargeFieldTest, RegexBoostProcessorTest, 
CreateCollectionCleanupTest, TestRequestForwarding, 
AnalysisAfterCoreReloadTest, TestHashQParserPlugin, 
TestSuggestSpellingConverter, FileBasedSpellCheckerTest, TestNoOpRegenerator, 
ExplicitHLLTest, SpellPossibilityIteratorTest, BufferStoreTest, 
TestManagedStopFilterFactory, TestRandomFlRTGCloud, TestExactStatsCache, 
TestTrackingShardHandlerFactory, SimpleCollectionCreateDeleteTest, 
TestRangeQuery, AsyncCallRequestStatusResponseTest, TestFiltering, TestNRTOpen, 
DisMaxRequestHandlerTest, CloneFieldUpdateProcessorFactoryTest, 
TestCoreDiscovery, TestFieldCacheSort, SolrMetricReporterTest, TestTlogReplica, 
HdfsRecoverLeaseTest, TestFieldResource, TestMaxScoreQueryParser, 
PeerSyncWithIndexFingerprintCachingTest, DocValuesTest, 
TestUseDocValuesAsStored, MigrateRouteKeyTest, TestExportWriter, 
TestSolrCloudWithDelegationTokens, TestJavabinTupleStreamParser, TestBadConfig, 
ExitableDirectoryReaderTest, TestDelegationWithHadoopAuth, 
DistanceFunctionTest, TestSolrDeletionPolicy2, TestLazyCores, 
TestNonDefinedSimilarityFactory, TestUtilizeNode, MetricsConfigTest, 
RegexBytesRefFilterTest, DateFieldTest, UnloadDistributedZkTest, 
AutoScalingHandlerTest, TestCryptoKeys, TestDistributedMap, 
BasicAuthStandaloneTest, SuggestComponentContextFilterQueryTest, 
CdcrReplicationHandlerTest, RecoveryZkTest, TestCodecSupport, 
VMParamsZkACLAndCredentialsProvidersTest, SolrCloudExampleTest, 
DistributedFacetSimpleRefinementLongTailTest, ReplaceNodeNoTargetTest, 
TestPayloadScoreQParserPlugin, TestSolrCoreProperties, OverseerRolesTest, 
ScheduledTriggerIntegrationTest, ConfigureRecoveryStrategyTest, 
NotRequiredUniqueKeyTest, MultiTermTest, HdfsAutoAddReplicasIntegrationTest, 
TestUnifiedSolrHighlighter, WrapperMergePolicyFactoryTest, 
DistributedSpellCheckComponentTest, TestValueSourceCache, TestSimpleTextCodec, 
ClassificationUpdateProcessorFactoryTest, ReplicaListTransformerTest, 
CircularListTest, CurrencyFieldTypeTest, TestTrieFacet, 
TestLMJelinekMercerSimilarityFactory, DistributedExpandComponentTest, 
LeaderElectionIntegrationTest, CdcrBidirectionalTest, TestChildDocTransformer, 
NodeAddedTriggerTest]
   [junit4] Completed [360/801 (3!)] on J2 in 19.27s, 4 tests, 1 failure <<< 
FAILURES!

[...truncated 39497 lines...]
-ecj-javadoc-lint-tests:
    [mkdir] Created dir: /tmp/ecj108276585
 [ecj-lint] Compiling 20 source files to /tmp/ecj108276585
 [ecj-lint] ----------
 [ecj-lint] 1. ERROR in 
/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-7.x/lucene/spatial3d/src/test/org/apache/lucene/spatial3d/geom/RandomGeoPolygonTest.java
 (at line 27)
 [ecj-lint]     import static 
com.carrotsearch.randomizedtesting.RandomizedTest.randomDouble;
 [ecj-lint]                   
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 [ecj-lint] The import 
com.carrotsearch.randomizedtesting.RandomizedTest.randomDouble is never used
 [ecj-lint] ----------
 [ecj-lint] 1 problem (1 error)

BUILD FAILED
/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-7.x/build.xml:633: The 
following error occurred while executing this line:
/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-7.x/build.xml:101: The 
following error occurred while executing this line:
/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-7.x/lucene/build.xml:208:
 The following error occurred while executing this line:
/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-7.x/lucene/common-build.xml:2264:
 The following error occurred while executing this line:
/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-7.x/lucene/common-build.xml:2095:
 The following error occurred while executing this line:
/home/jenkins/jenkins-slave/workspace/Lucene-Solr-Tests-7.x/lucene/common-build.xml:2128:
 Compile failed; see the compiler error output for details.

Total time: 156 minutes 19 seconds
Build step 'Invoke Ant' marked build as failure
Archiving artifacts
Recording test results
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Sending email for trigger: Failure - Any

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