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Posted to builds@solr.apache.org by Policeman Jenkins Server <je...@thetaphi.de> on 2022/01/29 02:54:57 UTC

[JENKINS] Solr-main-Linux (64bit/jdk-11.0.13) - Build # 2609 - Still Unstable!

Build: https://jenkins.thetaphi.de/job/Solr-main-Linux/2609/
Java: 64bit/jdk-11.0.13 -XX:+UseCompressedOops -XX:+UseG1GC

4 tests failed.
FAILED:  org.apache.solr.cloud.MultiThreadedOCPTest.classMethod

Error Message:
com.carrotsearch.randomizedtesting.ThreadLeakError: 1 thread leaked from SUITE scope at org.apache.solr.cloud.MultiThreadedOCPTest: 
   1) Thread[id=13162, name=aliveCheckExecutor-7057-thread-1, state=TIMED_WAITING, group=TGRP-MultiThreadedOCPTest]
        at java.base@11.0.13/jdk.internal.misc.Unsafe.park(Native Method)
        at java.base@11.0.13/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at java.base@11.0.13/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at java.base@11.0.13/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
        at java.base@11.0.13/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
        at java.base@11.0.13/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at java.base@11.0.13/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at java.base@11.0.13/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11.0.13/java.lang.Thread.run(Thread.java:829)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 1 thread leaked from SUITE scope at org.apache.solr.cloud.MultiThreadedOCPTest: 
   1) Thread[id=13162, name=aliveCheckExecutor-7057-thread-1, state=TIMED_WAITING, group=TGRP-MultiThreadedOCPTest]
        at java.base@11.0.13/jdk.internal.misc.Unsafe.park(Native Method)
        at java.base@11.0.13/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at java.base@11.0.13/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at java.base@11.0.13/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
        at java.base@11.0.13/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
        at java.base@11.0.13/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at java.base@11.0.13/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at java.base@11.0.13/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11.0.13/java.lang.Thread.run(Thread.java:829)
	at __randomizedtesting.SeedInfo.seed([85E2838157C8DCAB]:0)


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

Error Message:
com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie threads that couldn't be terminated:
   1) Thread[id=13162, name=aliveCheckExecutor-7057-thread-1, state=TIMED_WAITING, group=TGRP-MultiThreadedOCPTest]
        at java.base@11.0.13/jdk.internal.misc.Unsafe.park(Native Method)
        at java.base@11.0.13/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at java.base@11.0.13/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at java.base@11.0.13/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
        at java.base@11.0.13/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
        at java.base@11.0.13/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at java.base@11.0.13/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at java.base@11.0.13/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11.0.13/java.lang.Thread.run(Thread.java:829)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie threads that couldn't be terminated:
   1) Thread[id=13162, name=aliveCheckExecutor-7057-thread-1, state=TIMED_WAITING, group=TGRP-MultiThreadedOCPTest]
        at java.base@11.0.13/jdk.internal.misc.Unsafe.park(Native Method)
        at java.base@11.0.13/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at java.base@11.0.13/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at java.base@11.0.13/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
        at java.base@11.0.13/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
        at java.base@11.0.13/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at java.base@11.0.13/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at java.base@11.0.13/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11.0.13/java.lang.Thread.run(Thread.java:829)
	at __randomizedtesting.SeedInfo.seed([85E2838157C8DCAB]:0)


FAILED:  org.apache.solr.cloud.TestLeaderElectionZkExpiry.classMethod

Error Message:
com.carrotsearch.randomizedtesting.ThreadLeakError: 3 threads leaked from SUITE scope at org.apache.solr.cloud.TestLeaderElectionZkExpiry: 
   1) Thread[id=28653, name=zkConnectionManagerCallback-15644-thread-1-EventThread, state=WAITING, group=TGRP-TestLeaderElectionZkExpiry]
        at java.base@11.0.13/jdk.internal.misc.Unsafe.park(Native Method)
        at java.base@11.0.13/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at java.base@11.0.13/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at java.base@11.0.13/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:551)
   2) Thread[id=28647, name=zkConnectionManagerCallback-15644-thread-1-EventThread, state=BLOCKED, group=TGRP-TestLeaderElectionZkExpiry]
        at app//org.apache.solr.common.cloud.SolrZooKeeper.close(SolrZooKeeper.java:97)
        at app//org.apache.solr.common.cloud.ConnectionManager.closeKeeper(ConnectionManager.java:275)
        at app//org.apache.solr.common.cloud.ConnectionManager$1.update(ConnectionManager.java:177)
        at app//org.apache.solr.common.cloud.DefaultConnectionStrategy.reconnect(DefaultConnectionStrategy.java:57)
        at app//org.apache.solr.common.cloud.ConnectionManager.process(ConnectionManager.java:152)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:580)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:555)
   3) Thread[id=28651, name=zkConnectionManagerCallback-15644-thread-1-EventThread, state=WAITING, group=TGRP-TestLeaderElectionZkExpiry]
        at java.base@11.0.13/java.lang.Object.wait(Native Method)
        at java.base@11.0.13/java.lang.Object.wait(Object.java:328)
        at app//org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1584)
        at app//org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1556)
        at app//org.apache.zookeeper.ClientCnxn.close(ClientCnxn.java:1523)
        at app//org.apache.zookeeper.ZooKeeper.close(ZooKeeper.java:1227)
        at app//org.apache.solr.common.cloud.SolrZooKeeper.close(SolrZooKeeper.java:97)
        at app//org.apache.solr.common.cloud.SolrZkClient.updateKeeper(SolrZkClient.java:668)
        at app//org.apache.solr.common.cloud.ConnectionManager$1.update(ConnectionManager.java:161)
        at app//org.apache.solr.common.cloud.DefaultConnectionStrategy.reconnect(DefaultConnectionStrategy.java:57)
        at app//org.apache.solr.common.cloud.ConnectionManager.process(ConnectionManager.java:152)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:580)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:555)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 3 threads leaked from SUITE scope at org.apache.solr.cloud.TestLeaderElectionZkExpiry: 
   1) Thread[id=28653, name=zkConnectionManagerCallback-15644-thread-1-EventThread, state=WAITING, group=TGRP-TestLeaderElectionZkExpiry]
        at java.base@11.0.13/jdk.internal.misc.Unsafe.park(Native Method)
        at java.base@11.0.13/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at java.base@11.0.13/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at java.base@11.0.13/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:551)
   2) Thread[id=28647, name=zkConnectionManagerCallback-15644-thread-1-EventThread, state=BLOCKED, group=TGRP-TestLeaderElectionZkExpiry]
        at app//org.apache.solr.common.cloud.SolrZooKeeper.close(SolrZooKeeper.java:97)
        at app//org.apache.solr.common.cloud.ConnectionManager.closeKeeper(ConnectionManager.java:275)
        at app//org.apache.solr.common.cloud.ConnectionManager$1.update(ConnectionManager.java:177)
        at app//org.apache.solr.common.cloud.DefaultConnectionStrategy.reconnect(DefaultConnectionStrategy.java:57)
        at app//org.apache.solr.common.cloud.ConnectionManager.process(ConnectionManager.java:152)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:580)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:555)
   3) Thread[id=28651, name=zkConnectionManagerCallback-15644-thread-1-EventThread, state=WAITING, group=TGRP-TestLeaderElectionZkExpiry]
        at java.base@11.0.13/java.lang.Object.wait(Native Method)
        at java.base@11.0.13/java.lang.Object.wait(Object.java:328)
        at app//org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1584)
        at app//org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1556)
        at app//org.apache.zookeeper.ClientCnxn.close(ClientCnxn.java:1523)
        at app//org.apache.zookeeper.ZooKeeper.close(ZooKeeper.java:1227)
        at app//org.apache.solr.common.cloud.SolrZooKeeper.close(SolrZooKeeper.java:97)
        at app//org.apache.solr.common.cloud.SolrZkClient.updateKeeper(SolrZkClient.java:668)
        at app//org.apache.solr.common.cloud.ConnectionManager$1.update(ConnectionManager.java:161)
        at app//org.apache.solr.common.cloud.DefaultConnectionStrategy.reconnect(DefaultConnectionStrategy.java:57)
        at app//org.apache.solr.common.cloud.ConnectionManager.process(ConnectionManager.java:152)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:580)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:555)
	at __randomizedtesting.SeedInfo.seed([85E2838157C8DCAB]:0)


FAILED:  org.apache.solr.schema.TestBulkSchemaConcurrent.classMethod

Error Message:
com.carrotsearch.randomizedtesting.ThreadLeakError: 2 threads leaked from SUITE scope at org.apache.solr.schema.TestBulkSchemaConcurrent: 
   1) Thread[id=19691, name=searcherExecutor-12237-thread-1-processing-127.0.0.1:39327_ collection1_shard2_replica_n6 collection1 shard2 core_node8, state=WAITING, group=TGRP-TestBulkSchemaConcurrent]
        at java.base@11.0.13/jdk.internal.misc.Unsafe.park(Native Method)
        at java.base@11.0.13/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at java.base@11.0.13/java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:885)
        at java.base@11.0.13/java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1039)
        at java.base@11.0.13/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1345)
        at java.base@11.0.13/java.util.concurrent.CountDownLatch.await(CountDownLatch.java:232)
        at app//org.apache.solr.core.SolrCore.lambda$new$2(SolrCore.java:1048)
        at app//org.apache.solr.core.SolrCore$$Lambda$414/0x000000010065e040.call(Unknown Source)
        at java.base@11.0.13/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at app//org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:235)
        at app//org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$$Lambda$277/0x0000000100534840.run(Unknown Source)
        at java.base@11.0.13/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at java.base@11.0.13/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11.0.13/java.lang.Thread.run(Thread.java:829)
   2) Thread[id=19620, name=ZKEventListenerThread, state=TIMED_WAITING, group=TGRP-TestBulkSchemaConcurrent]
        at java.base@11.0.13/java.lang.Thread.sleep(Native Method)
        at app//org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:156)
        at app//org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:89)
        at app//org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:306)
        at app//org.apache.solr.rest.ManagedResourceStorage$ZooKeeperStorageIO.openInputStream(ManagedResourceStorage.java:264)
        at app//org.apache.solr.rest.ManagedResourceStorage.load(ManagedResourceStorage.java:500)
        at app//org.apache.solr.rest.RestManager$RestManagerManagedResource.reloadFromStorage(RestManager.java:411)
        at app//org.apache.solr.rest.ManagedResource.loadManagedDataAndNotify(ManagedResource.java:84)
        at app//org.apache.solr.rest.RestManager.init(RestManager.java:569)
        at app//org.apache.solr.core.SolrCore.initRestManager(SolrCore.java:2964)
        at app//org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at app//org.apache.solr.core.SolrCore.reload(SolrCore.java:744)
        at app//org.apache.solr.core.CoreContainer.reload(CoreContainer.java:1725)
        at app//org.apache.solr.core.SolrCore.lambda$getConfListener$21(SolrCore.java:3129)
        at app//org.apache.solr.core.SolrCore$$Lambda$969/0x0000000100b52c40.run(Unknown Source)
        at app//org.apache.solr.cloud.ZkController.lambda$fireEventListeners$18(ZkController.java:2491)
        at app//org.apache.solr.cloud.ZkController$$Lambda$1463/0x0000000101201c40.run(Unknown Source)
        at java.base@11.0.13/java.lang.Thread.run(Thread.java:829)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 2 threads leaked from SUITE scope at org.apache.solr.schema.TestBulkSchemaConcurrent: 
   1) Thread[id=19691, name=searcherExecutor-12237-thread-1-processing-127.0.0.1:39327_ collection1_shard2_replica_n6 collection1 shard2 core_node8, state=WAITING, group=TGRP-TestBulkSchemaConcurrent]
        at java.base@11.0.13/jdk.internal.misc.Unsafe.park(Native Method)
        at java.base@11.0.13/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at java.base@11.0.13/java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:885)
        at java.base@11.0.13/java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1039)
        at java.base@11.0.13/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1345)
        at java.base@11.0.13/java.util.concurrent.CountDownLatch.await(CountDownLatch.java:232)
        at app//org.apache.solr.core.SolrCore.lambda$new$2(SolrCore.java:1048)
        at app//org.apache.solr.core.SolrCore$$Lambda$414/0x000000010065e040.call(Unknown Source)
        at java.base@11.0.13/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at app//org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:235)
        at app//org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$$Lambda$277/0x0000000100534840.run(Unknown Source)
        at java.base@11.0.13/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at java.base@11.0.13/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11.0.13/java.lang.Thread.run(Thread.java:829)
   2) Thread[id=19620, name=ZKEventListenerThread, state=TIMED_WAITING, group=TGRP-TestBulkSchemaConcurrent]
        at java.base@11.0.13/java.lang.Thread.sleep(Native Method)
        at app//org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:156)
        at app//org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:89)
        at app//org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:306)
        at app//org.apache.solr.rest.ManagedResourceStorage$ZooKeeperStorageIO.openInputStream(ManagedResourceStorage.java:264)
        at app//org.apache.solr.rest.ManagedResourceStorage.load(ManagedResourceStorage.java:500)
        at app//org.apache.solr.rest.RestManager$RestManagerManagedResource.reloadFromStorage(RestManager.java:411)
        at app//org.apache.solr.rest.ManagedResource.loadManagedDataAndNotify(ManagedResource.java:84)
        at app//org.apache.solr.rest.RestManager.init(RestManager.java:569)
        at app//org.apache.solr.core.SolrCore.initRestManager(SolrCore.java:2964)
        at app//org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at app//org.apache.solr.core.SolrCore.reload(SolrCore.java:744)
        at app//org.apache.solr.core.CoreContainer.reload(CoreContainer.java:1725)
        at app//org.apache.solr.core.SolrCore.lambda$getConfListener$21(SolrCore.java:3129)
        at app//org.apache.solr.core.SolrCore$$Lambda$969/0x0000000100b52c40.run(Unknown Source)
        at app//org.apache.solr.cloud.ZkController.lambda$fireEventListeners$18(ZkController.java:2491)
        at app//org.apache.solr.cloud.ZkController$$Lambda$1463/0x0000000101201c40.run(Unknown Source)
        at java.base@11.0.13/java.lang.Thread.run(Thread.java:829)
	at __randomizedtesting.SeedInfo.seed([85E2838157C8DCAB]:0)

[JENKINS] Solr-main-Linux (64bit/jdk-11.0.13) - Build # 2610 - Still Unstable!

Posted by Policeman Jenkins Server <je...@thetaphi.de>.
Build: https://jenkins.thetaphi.de/job/Solr-main-Linux/2610/
Java: 64bit/jdk-11.0.13 -XX:+UseCompressedOops -XX:+UseConcMarkSweepGC

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

Error Message:
com.carrotsearch.randomizedtesting.ThreadLeakError: 2 threads leaked from SUITE scope at org.apache.solr.cloud.TestLeaderElectionZkExpiry: 
   1) Thread[id=25228, name=zkConnectionManagerCallback-15121-thread-1-EventThread, state=BLOCKED, group=TGRP-TestLeaderElectionZkExpiry]
        at app//org.apache.solr.common.cloud.ZkStateReader.createClusterStateWatchersAndUpdate(ZkStateReader.java:402)
        at app//org.apache.solr.cloud.ZkController$1.command(ZkController.java:335)
        at app//org.apache.solr.common.cloud.ConnectionManager$1.update(ConnectionManager.java:170)
        at app//org.apache.solr.common.cloud.DefaultConnectionStrategy.reconnect(DefaultConnectionStrategy.java:57)
        at app//org.apache.solr.common.cloud.ConnectionManager.process(ConnectionManager.java:152)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:580)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:555)
   2) Thread[id=25226, name=zkConnectionManagerCallback-15121-thread-1-EventThread, state=BLOCKED, group=TGRP-TestLeaderElectionZkExpiry]
        at app//org.apache.solr.common.cloud.ZkStateReader.createClusterStateWatchersAndUpdate(ZkStateReader.java:402)
        at app//org.apache.solr.cloud.ZkController$1.command(ZkController.java:335)
        at app//org.apache.solr.common.cloud.ConnectionManager$1.update(ConnectionManager.java:170)
        at app//org.apache.solr.common.cloud.DefaultConnectionStrategy.reconnect(DefaultConnectionStrategy.java:57)
        at app//org.apache.solr.common.cloud.ConnectionManager.process(ConnectionManager.java:152)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:580)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:555)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 2 threads leaked from SUITE scope at org.apache.solr.cloud.TestLeaderElectionZkExpiry: 
   1) Thread[id=25228, name=zkConnectionManagerCallback-15121-thread-1-EventThread, state=BLOCKED, group=TGRP-TestLeaderElectionZkExpiry]
        at app//org.apache.solr.common.cloud.ZkStateReader.createClusterStateWatchersAndUpdate(ZkStateReader.java:402)
        at app//org.apache.solr.cloud.ZkController$1.command(ZkController.java:335)
        at app//org.apache.solr.common.cloud.ConnectionManager$1.update(ConnectionManager.java:170)
        at app//org.apache.solr.common.cloud.DefaultConnectionStrategy.reconnect(DefaultConnectionStrategy.java:57)
        at app//org.apache.solr.common.cloud.ConnectionManager.process(ConnectionManager.java:152)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:580)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:555)
   2) Thread[id=25226, name=zkConnectionManagerCallback-15121-thread-1-EventThread, state=BLOCKED, group=TGRP-TestLeaderElectionZkExpiry]
        at app//org.apache.solr.common.cloud.ZkStateReader.createClusterStateWatchersAndUpdate(ZkStateReader.java:402)
        at app//org.apache.solr.cloud.ZkController$1.command(ZkController.java:335)
        at app//org.apache.solr.common.cloud.ConnectionManager$1.update(ConnectionManager.java:170)
        at app//org.apache.solr.common.cloud.DefaultConnectionStrategy.reconnect(DefaultConnectionStrategy.java:57)
        at app//org.apache.solr.common.cloud.ConnectionManager.process(ConnectionManager.java:152)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:580)
        at app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:555)
	at __randomizedtesting.SeedInfo.seed([25E4B9C9051A52A8]:0)