[
https://issues.apache.org/jira/browse/KAFKA-2468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14712397#comment-14712397
]
Ewen Cheslack-Postava commented on KAFKA-2468:
----------------------------------------------
[~ashi.khur...@gmail.com] Ok, makes sense. I just got stuck on the exit methods
and completely missed that it was calling halt instead. LGTM.
> SIGINT during Kafka server startup can leave server deadlocked
> --------------------------------------------------------------
>
> Key: KAFKA-2468
> URL: https://issues.apache.org/jira/browse/KAFKA-2468
> Project: Kafka
> Issue Type: Bug
> Reporter: Ashish K Singh
> Assignee: Ashish K Singh
>
> KafkaServer on receiving a SIGINT will try to shutdown and if this happens
> while the server is starting up, it will get into deadlock.
> Thread dump after deadlock
> {code}
> 2015-08-24 22:03:52
> Full thread dump Java HotSpot(TM) 64-Bit Server VM (24.55-b03 mixed mode):
> "Attach Listener" daemon prio=5 tid=0x00007fc08e827800 nid=0x5807 waiting on
> condition [0x0000000000000000]
> java.lang.Thread.State: RUNNABLE
> "Thread-2" prio=5 tid=0x00007fc08b9de000 nid=0x6b03 waiting for monitor entry
> [0x000000011ad3a000]
> java.lang.Thread.State: BLOCKED (on object monitor)
> at java.lang.Shutdown.exit(Shutdown.java:212)
> - waiting to lock <0x00000007bae86ac0> (a java.lang.Class for
> java.lang.Shutdown)
> at java.lang.Runtime.exit(Runtime.java:109)
> at java.lang.System.exit(System.java:962)
> at
> kafka.server.KafkaServerStartable.shutdown(KafkaServerStartable.scala:46)
> at kafka.Kafka$$anon$1.run(Kafka.scala:65)
> "SIGINT handler" daemon prio=5 tid=0x00007fc08ca51800 nid=0x6503 in
> Object.wait() [0x000000011aa31000]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x00000007bcb40610> (a kafka.Kafka$$anon$1)
> at java.lang.Thread.join(Thread.java:1281)
> - locked <0x00000007bcb40610> (a kafka.Kafka$$anon$1)
> at java.lang.Thread.join(Thread.java:1355)
> at
> java.lang.ApplicationShutdownHooks.runHooks(ApplicationShutdownHooks.java:106)
> at
> java.lang.ApplicationShutdownHooks$1.run(ApplicationShutdownHooks.java:46)
> at java.lang.Shutdown.runHooks(Shutdown.java:123)
> at java.lang.Shutdown.sequence(Shutdown.java:167)
> at java.lang.Shutdown.exit(Shutdown.java:212)
> - locked <0x00000007bae86ac0> (a java.lang.Class for java.lang.Shutdown)
> at java.lang.Terminator$1.handle(Terminator.java:52)
> at sun.misc.Signal$1.run(Signal.java:212)
> at java.lang.Thread.run(Thread.java:745)
> "RMI TCP Accept-0" daemon prio=5 tid=0x00007fc08c164000 nid=0x5c07 runnable
> [0x0000000119fe8000]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at
> java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:398)
> at java.net.ServerSocket.implAccept(ServerSocket.java:530)
> at java.net.ServerSocket.accept(ServerSocket.java:498)
> at
> sun.management.jmxremote.LocalRMIServerSocketFactory$1.accept(LocalRMIServerSocketFactory.java:52)
> at
> sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:388)
> at
> sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:360)
> at java.lang.Thread.run(Thread.java:745)
> "Service Thread" daemon prio=5 tid=0x00007fc08d015000 nid=0x5503 runnable
> [0x0000000000000000]
> java.lang.Thread.State: RUNNABLE
> "C2 CompilerThread1" daemon prio=5 tid=0x00007fc08c82b000 nid=0x5303 waiting
> on condition [0x0000000000000000]
> java.lang.Thread.State: RUNNABLE
> "C2 CompilerThread0" daemon prio=5 tid=0x00007fc08c82a000 nid=0x5103 waiting
> on condition [0x0000000000000000]
> java.lang.Thread.State: RUNNABLE
> "Signal Dispatcher" daemon prio=5 tid=0x00007fc08c829800 nid=0x4f03 runnable
> [0x0000000000000000]
> java.lang.Thread.State: RUNNABLE
> "Surrogate Locker Thread (Concurrent GC)" daemon prio=5
> tid=0x00007fc08d002000 nid=0x400b waiting on condition [0x0000000000000000]
> java.lang.Thread.State: RUNNABLE
> "Finalizer" daemon prio=5 tid=0x00007fc08d012800 nid=0x3b03 in Object.wait()
> [0x0000000117ee6000]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x00000007bae05568> (a java.lang.ref.ReferenceQueue$Lock)
> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135)
> - locked <0x00000007bae05568> (a java.lang.ref.ReferenceQueue$Lock)
> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151)
> at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:189)
> "Reference Handler" daemon prio=5 tid=0x00007fc08c803000 nid=0x3903 in
> Object.wait() [0x0000000117de3000]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x00000007bae050f0> (a java.lang.ref.Reference$Lock)
> at java.lang.Object.wait(Object.java:503)
> at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:133)
> - locked <0x00000007bae050f0> (a java.lang.ref.Reference$Lock)
> "main" prio=5 tid=0x00007fc08d000800 nid=0x1303 waiting for monitor entry
> [0x000000010f353000]
> java.lang.Thread.State: BLOCKED (on object monitor)
> at java.lang.Shutdown.exit(Shutdown.java:212)
> - waiting to lock <0x00000007bae86ac0> (a java.lang.Class for
> java.lang.Shutdown)
> at java.lang.Runtime.exit(Runtime.java:109)
> at java.lang.System.exit(System.java:962)
> at
> kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:35)
> at kafka.Kafka$.main(Kafka.scala:69)
> at kafka.Kafka.main(Kafka.scala)
> "VM Thread" prio=5 tid=0x00007fc08b83b000 nid=0x3703 runnable
> "Gang worker#0 (Parallel GC Threads)" prio=5 tid=0x00007fc08d00f800
> nid=0x2103 runnable
> "Gang worker#1 (Parallel GC Threads)" prio=5 tid=0x00007fc08b80e000
> nid=0x2303 runnable
> "Gang worker#2 (Parallel GC Threads)" prio=5 tid=0x00007fc08c801000
> nid=0x2503 runnable
> "Gang worker#3 (Parallel GC Threads)" prio=5 tid=0x00007fc08c801800
> nid=0x2703 runnable
> "Gang worker#4 (Parallel GC Threads)" prio=5 tid=0x00007fc08c804000
> nid=0x2903 runnable
> "Gang worker#5 (Parallel GC Threads)" prio=5 tid=0x00007fc08c804800
> nid=0x2b03 runnable
> "Gang worker#6 (Parallel GC Threads)" prio=5 tid=0x00007fc08c805000
> nid=0x2d03 runnable
> "Gang worker#7 (Parallel GC Threads)" prio=5 tid=0x00007fc08c806000
> nid=0x2f03 runnable
> "Concurrent Mark-Sweep GC Thread" prio=5 tid=0x00007fc08c806800 nid=0x3503
> runnable
> "Gang worker#0 (Parallel CMS Threads)" prio=5 tid=0x00007fc08c0bd800
> nid=0x3103 runnable
> "Gang worker#1 (Parallel CMS Threads)" prio=5 tid=0x00007fc08c0be800
> nid=0x3303 runnable
> "VM Periodic Task Thread" prio=5 tid=0x00007fc08c155000 nid=0x5d03 waiting on
> condition
> JNI global references: 239
> {code}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
