[
https://issues.apache.org/jira/browse/KAFKA-1408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dmitry Bugaychenko updated KAFKA-1408:
--------------------------------------
Description:
After getting to inconsistence state due to short netwrok failure broker can
not stop itself. The last message in the log is:
{code}
INFO | jvm 1 | 2014/04/21 08:53:07 | [2014-04-21 09:53:06,999] INFO
[kafka-log-cleaner-thread-0], Stopped (kafka.log.LogCleaner)
INFO | jvm 1 | 2014/04/21 08:53:07 | [2014-04-21 09:53:06,999] INFO
[kafka-log-cleaner-thread-0], Shutdown completed (kafka.log.LogCleaner)
{code}
There is also a preceding error:
{code}
INFO | jvm 1 | 2014/04/21 08:52:55 | [2014-04-21 09:52:55,015] WARN
Controller doesn't exist (kafka.utils.Utils$)
INFO | jvm 1 | 2014/04/21 08:52:55 | kafka.common.KafkaException:
Controller doesn't exist
INFO | jvm 1 | 2014/04/21 08:52:55 | at
kafka.utils.ZkUtils$.getController(ZkUtils.scala:70)
INFO | jvm 1 | 2014/04/21 08:52:55 | at
kafka.server.KafkaServer.kafka$server$KafkaServer$$controlledShutdown(KafkaServer.scala:148)
INFO | jvm 1 | 2014/04/21 08:52:55 | at
kafka.server.KafkaServer$$anonfun$shutdown$1.apply$mcV$sp(KafkaServer.scala:220)
{code}
Here is a part of jstack (it looks like there is a deadlock between
delete-topics-thread and ZkClient-EventThread):
{code}
IWrapper-Connection id=10 state=WAITING
- waiting on <0x15d6aa44> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync)
- locked <0x15d6aa44> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync)
owned by ZkClient-EventThread-37-devlnx2:2181 id=37
at sun.misc.Unsafe.park(Native Method)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:867)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1197)
at
java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:214)
at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290)
at kafka.utils.Utils$.inLock(Utils.scala:536)
at kafka.controller.KafkaController.shutdown(KafkaController.scala:641)
at
kafka.server.KafkaServer$$anonfun$shutdown$8.apply$mcV$sp(KafkaServer.scala:233)
at kafka.utils.Utils$.swallow(Utils.scala:167)
at kafka.utils.Logging$class.swallowWarn(Logging.scala:92)
at kafka.utils.Utils$.swallowWarn(Utils.scala:46)
at kafka.utils.Logging$class.swallow(Logging.scala:94)
at kafka.utils.Utils$.swallow(Utils.scala:46)
at kafka.server.KafkaServer.shutdown(KafkaServer.scala:233)
at odkl.databus.server.Main.stop(Main.java:184)
at
org.tanukisoftware.wrapper.WrapperManager.stopInner(WrapperManager.java:1982)
at
org.tanukisoftware.wrapper.WrapperManager.handleSocket(WrapperManager.java:2391)
at org.tanukisoftware.wrapper.WrapperManager.run(WrapperManager.java:2696)
at java.lang.Thread.run(Thread.java:744)
ZkClient-EventThread-37-devlnx2:2181 id=37 state=WAITING
- waiting on <0x3d5f9878> (a java.util.concurrent.CountDownLatch$Sync)
- locked <0x3d5f9878> (a java.util.concurrent.CountDownLatch$Sync)
at sun.misc.Unsafe.park(Native Method)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:994)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1303)
at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:236)
at kafka.utils.ShutdownableThread.shutdown(ShutdownableThread.scala:36)
at
kafka.controller.TopicDeletionManager.shutdown(TopicDeletionManager.scala:93)
at
kafka.controller.KafkaController$$anonfun$onControllerResignation$1.apply$mcV$sp(KafkaController.scala:340)
at
kafka.controller.KafkaController$$anonfun$onControllerResignation$1.apply(KafkaController.scala:337)
at
kafka.controller.KafkaController$$anonfun$onControllerResignation$1.apply(KafkaController.scala:337)
at kafka.utils.Utils$.inLock(Utils.scala:538)
at
kafka.controller.KafkaController.onControllerResignation(KafkaController.scala:337)
at
kafka.controller.KafkaController$SessionExpirationListener$$anonfun$handleNewSession$1.apply$mcZ$sp(KafkaController.scala:1068)
at
kafka.controller.KafkaController$SessionExpirationListener$$anonfun$handleNewSession$1.apply(KafkaController.scala:1067)
at
kafka.controller.KafkaController$SessionExpirationListener$$anonfun$handleNewSession$1.apply(KafkaController.scala:1067)
at kafka.utils.Utils$.inLock(Utils.scala:538)
at
kafka.controller.KafkaController$SessionExpirationListener.handleNewSession(KafkaController.scala:1067)
at org.I0Itec.zkclient.ZkClient$4.run(ZkClient.java:472)
at org.I0Itec.zkclient.ZkEventThread.run(ZkEventThread.java:71)
Locked synchronizers: count = 1
- java.util.concurrent.locks.ReentrantLock$NonfairSync@15d6aa44
Controller-3-to-broker-3-send-thread id=2414 state=WAITING
- waiting on <0x4044618f> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
- locked <0x4044618f> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at sun.misc.Unsafe.park(Native Method)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
at
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at
kafka.controller.RequestSendThread.doWork(ControllerChannelManager.scala:121)
at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:51)
delete-topics-thread id=2416 state=WAITING
- waiting on <0x15d6aa44> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync)
- locked <0x15d6aa44> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync)
owned by ZkClient-EventThread-37-devlnx2:2181 id=37
at sun.misc.Unsafe.park(Native Method)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:867)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1197)
at
java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:214)
at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290)
at kafka.utils.Utils$.inLock(Utils.scala:536)
at
kafka.controller.TopicDeletionManager$DeleteTopicsThread.doWork(TopicDeletionManager.scala:333)
at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:51)
{code}
was:
After getting to inconsistence state due to short netwrok failure broker can
not stop itself. The last message in the log is:
{code}
INFO | jvm 1 | 2014/04/21 08:53:07 | [2014-04-21 09:53:06,999] INFO
[kafka-log-cleaner-thread-0], Stopped (kafka.log.LogCleaner)
INFO | jvm 1 | 2014/04/21 08:53:07 | [2014-04-21 09:53:06,999] INFO
[kafka-log-cleaner-thread-0], Shutdown completed (kafka.log.LogCleaner)
{code}
There is also a preceding error:
{code}
INFO | jvm 1 | 2014/04/21 08:52:55 | [2014-04-21 09:52:55,015] WARN
Controller doesn't exist (kafka.utils.Utils$)
INFO | jvm 1 | 2014/04/21 08:52:55 | kafka.common.KafkaException:
Controller doesn't exist
INFO | jvm 1 | 2014/04/21 08:52:55 | at
kafka.utils.ZkUtils$.getController(ZkUtils.scala:70)
INFO | jvm 1 | 2014/04/21 08:52:55 | at
kafka.server.KafkaServer.kafka$server$KafkaServer$$controlledShutdown(KafkaServer.scala:148)
INFO | jvm 1 | 2014/04/21 08:52:55 | at
kafka.server.KafkaServer$$anonfun$shutdown$1.apply$mcV$sp(KafkaServer.scala:220)
{code}
Our gues is that KafkaScheduler can not stop itself waiting for a day:
{code}
debug("Shutting down task scheduler.")
ensureStarted
executor.shutdown()
executor.awaitTermination(1, TimeUnit.DAYS)
{code}
Here is a part of jstack (it looks like there is a deadlock between
delete-topics-thread and ZkClient-EventThread):
{code}
IWrapper-Connection id=10 state=WAITING
- waiting on <0x15d6aa44> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync)
- locked <0x15d6aa44> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync)
owned by ZkClient-EventThread-37-devlnx2:2181 id=37
at sun.misc.Unsafe.park(Native Method)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:867)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1197)
at
java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:214)
at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290)
at kafka.utils.Utils$.inLock(Utils.scala:536)
at kafka.controller.KafkaController.shutdown(KafkaController.scala:641)
at
kafka.server.KafkaServer$$anonfun$shutdown$8.apply$mcV$sp(KafkaServer.scala:233)
at kafka.utils.Utils$.swallow(Utils.scala:167)
at kafka.utils.Logging$class.swallowWarn(Logging.scala:92)
at kafka.utils.Utils$.swallowWarn(Utils.scala:46)
at kafka.utils.Logging$class.swallow(Logging.scala:94)
at kafka.utils.Utils$.swallow(Utils.scala:46)
at kafka.server.KafkaServer.shutdown(KafkaServer.scala:233)
at odkl.databus.server.Main.stop(Main.java:184)
at
org.tanukisoftware.wrapper.WrapperManager.stopInner(WrapperManager.java:1982)
at
org.tanukisoftware.wrapper.WrapperManager.handleSocket(WrapperManager.java:2391)
at org.tanukisoftware.wrapper.WrapperManager.run(WrapperManager.java:2696)
at java.lang.Thread.run(Thread.java:744)
ZkClient-EventThread-37-devlnx2:2181 id=37 state=WAITING
- waiting on <0x3d5f9878> (a java.util.concurrent.CountDownLatch$Sync)
- locked <0x3d5f9878> (a java.util.concurrent.CountDownLatch$Sync)
at sun.misc.Unsafe.park(Native Method)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:994)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1303)
at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:236)
at kafka.utils.ShutdownableThread.shutdown(ShutdownableThread.scala:36)
at
kafka.controller.TopicDeletionManager.shutdown(TopicDeletionManager.scala:93)
at
kafka.controller.KafkaController$$anonfun$onControllerResignation$1.apply$mcV$sp(KafkaController.scala:340)
at
kafka.controller.KafkaController$$anonfun$onControllerResignation$1.apply(KafkaController.scala:337)
at
kafka.controller.KafkaController$$anonfun$onControllerResignation$1.apply(KafkaController.scala:337)
at kafka.utils.Utils$.inLock(Utils.scala:538)
at
kafka.controller.KafkaController.onControllerResignation(KafkaController.scala:337)
at
kafka.controller.KafkaController$SessionExpirationListener$$anonfun$handleNewSession$1.apply$mcZ$sp(KafkaController.scala:1068)
at
kafka.controller.KafkaController$SessionExpirationListener$$anonfun$handleNewSession$1.apply(KafkaController.scala:1067)
at
kafka.controller.KafkaController$SessionExpirationListener$$anonfun$handleNewSession$1.apply(KafkaController.scala:1067)
at kafka.utils.Utils$.inLock(Utils.scala:538)
at
kafka.controller.KafkaController$SessionExpirationListener.handleNewSession(KafkaController.scala:1067)
at org.I0Itec.zkclient.ZkClient$4.run(ZkClient.java:472)
at org.I0Itec.zkclient.ZkEventThread.run(ZkEventThread.java:71)
Locked synchronizers: count = 1
- java.util.concurrent.locks.ReentrantLock$NonfairSync@15d6aa44
Controller-3-to-broker-3-send-thread id=2414 state=WAITING
- waiting on <0x4044618f> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
- locked <0x4044618f> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at sun.misc.Unsafe.park(Native Method)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
at
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at
kafka.controller.RequestSendThread.doWork(ControllerChannelManager.scala:121)
at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:51)
delete-topics-thread id=2416 state=WAITING
- waiting on <0x15d6aa44> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync)
- locked <0x15d6aa44> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync)
owned by ZkClient-EventThread-37-devlnx2:2181 id=37
at sun.misc.Unsafe.park(Native Method)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:867)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1197)
at
java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:214)
at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290)
at kafka.utils.Utils$.inLock(Utils.scala:536)
at
kafka.controller.TopicDeletionManager$DeleteTopicsThread.doWork(TopicDeletionManager.scala:333)
at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:51)
{code}
> Kafk broker can not stop itself normaly after problems with connection to ZK
> ----------------------------------------------------------------------------
>
> Key: KAFKA-1408
> URL: https://issues.apache.org/jira/browse/KAFKA-1408
> Project: Kafka
> Issue Type: Bug
> Components: controller
> Affects Versions: 0.8.1
> Reporter: Dmitry Bugaychenko
> Assignee: Neha Narkhede
>
> After getting to inconsistence state due to short netwrok failure broker can
> not stop itself. The last message in the log is:
> {code}
> INFO | jvm 1 | 2014/04/21 08:53:07 | [2014-04-21 09:53:06,999] INFO
> [kafka-log-cleaner-thread-0], Stopped (kafka.log.LogCleaner)
> INFO | jvm 1 | 2014/04/21 08:53:07 | [2014-04-21 09:53:06,999] INFO
> [kafka-log-cleaner-thread-0], Shutdown completed (kafka.log.LogCleaner)
> {code}
> There is also a preceding error:
> {code}
> INFO | jvm 1 | 2014/04/21 08:52:55 | [2014-04-21 09:52:55,015] WARN
> Controller doesn't exist (kafka.utils.Utils$)
> INFO | jvm 1 | 2014/04/21 08:52:55 | kafka.common.KafkaException:
> Controller doesn't exist
> INFO | jvm 1 | 2014/04/21 08:52:55 | at
> kafka.utils.ZkUtils$.getController(ZkUtils.scala:70)
> INFO | jvm 1 | 2014/04/21 08:52:55 | at
> kafka.server.KafkaServer.kafka$server$KafkaServer$$controlledShutdown(KafkaServer.scala:148)
> INFO | jvm 1 | 2014/04/21 08:52:55 | at
> kafka.server.KafkaServer$$anonfun$shutdown$1.apply$mcV$sp(KafkaServer.scala:220)
> {code}
> Here is a part of jstack (it looks like there is a deadlock between
> delete-topics-thread and ZkClient-EventThread):
> {code}
> IWrapper-Connection id=10 state=WAITING
> - waiting on <0x15d6aa44> (a
> java.util.concurrent.locks.ReentrantLock$NonfairSync)
> - locked <0x15d6aa44> (a
> java.util.concurrent.locks.ReentrantLock$NonfairSync)
> owned by ZkClient-EventThread-37-devlnx2:2181 id=37
> at sun.misc.Unsafe.park(Native Method)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:867)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1197)
> at
> java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:214)
> at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290)
> at kafka.utils.Utils$.inLock(Utils.scala:536)
> at kafka.controller.KafkaController.shutdown(KafkaController.scala:641)
> at
> kafka.server.KafkaServer$$anonfun$shutdown$8.apply$mcV$sp(KafkaServer.scala:233)
> at kafka.utils.Utils$.swallow(Utils.scala:167)
> at kafka.utils.Logging$class.swallowWarn(Logging.scala:92)
> at kafka.utils.Utils$.swallowWarn(Utils.scala:46)
> at kafka.utils.Logging$class.swallow(Logging.scala:94)
> at kafka.utils.Utils$.swallow(Utils.scala:46)
> at kafka.server.KafkaServer.shutdown(KafkaServer.scala:233)
> at odkl.databus.server.Main.stop(Main.java:184)
> at
> org.tanukisoftware.wrapper.WrapperManager.stopInner(WrapperManager.java:1982)
> at
> org.tanukisoftware.wrapper.WrapperManager.handleSocket(WrapperManager.java:2391)
> at org.tanukisoftware.wrapper.WrapperManager.run(WrapperManager.java:2696)
> at java.lang.Thread.run(Thread.java:744)
> ZkClient-EventThread-37-devlnx2:2181 id=37 state=WAITING
> - waiting on <0x3d5f9878> (a java.util.concurrent.CountDownLatch$Sync)
> - locked <0x3d5f9878> (a java.util.concurrent.CountDownLatch$Sync)
> at sun.misc.Unsafe.park(Native Method)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:994)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1303)
> at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:236)
> at kafka.utils.ShutdownableThread.shutdown(ShutdownableThread.scala:36)
> at
> kafka.controller.TopicDeletionManager.shutdown(TopicDeletionManager.scala:93)
> at
> kafka.controller.KafkaController$$anonfun$onControllerResignation$1.apply$mcV$sp(KafkaController.scala:340)
> at
> kafka.controller.KafkaController$$anonfun$onControllerResignation$1.apply(KafkaController.scala:337)
> at
> kafka.controller.KafkaController$$anonfun$onControllerResignation$1.apply(KafkaController.scala:337)
> at kafka.utils.Utils$.inLock(Utils.scala:538)
> at
> kafka.controller.KafkaController.onControllerResignation(KafkaController.scala:337)
> at
> kafka.controller.KafkaController$SessionExpirationListener$$anonfun$handleNewSession$1.apply$mcZ$sp(KafkaController.scala:1068)
> at
> kafka.controller.KafkaController$SessionExpirationListener$$anonfun$handleNewSession$1.apply(KafkaController.scala:1067)
> at
> kafka.controller.KafkaController$SessionExpirationListener$$anonfun$handleNewSession$1.apply(KafkaController.scala:1067)
> at kafka.utils.Utils$.inLock(Utils.scala:538)
> at
> kafka.controller.KafkaController$SessionExpirationListener.handleNewSession(KafkaController.scala:1067)
> at org.I0Itec.zkclient.ZkClient$4.run(ZkClient.java:472)
> at org.I0Itec.zkclient.ZkEventThread.run(ZkEventThread.java:71)
> Locked synchronizers: count = 1
> - java.util.concurrent.locks.ReentrantLock$NonfairSync@15d6aa44
> Controller-3-to-broker-3-send-thread id=2414 state=WAITING
> - waiting on <0x4044618f> (a
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> - locked <0x4044618f> (a
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> at sun.misc.Unsafe.park(Native Method)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> at
> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> at
> kafka.controller.RequestSendThread.doWork(ControllerChannelManager.scala:121)
> at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:51)
> delete-topics-thread id=2416 state=WAITING
> - waiting on <0x15d6aa44> (a
> java.util.concurrent.locks.ReentrantLock$NonfairSync)
> - locked <0x15d6aa44> (a
> java.util.concurrent.locks.ReentrantLock$NonfairSync)
> owned by ZkClient-EventThread-37-devlnx2:2181 id=37
> at sun.misc.Unsafe.park(Native Method)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:867)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1197)
> at
> java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:214)
> at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290)
> at kafka.utils.Utils$.inLock(Utils.scala:536)
> at
> kafka.controller.TopicDeletionManager$DeleteTopicsThread.doWork(TopicDeletionManager.scala:333)
> at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:51)
> {code}
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