У меня есть установка с кластером flink 1.2, состоящим из 3 менеджеров заданий и 2 диспетчеров задач. Я запускаю кворум Zookeeper из JobManager1, получаю подтверждение, что Zookeeper запускается на двух других менеджерах заданий, затем я запускаю задание Flink на этом JobManager1.
Flink-conf.yaml одинаков на всех 5 виртуальных машинах, это означает, что jobmanager.rpc.address: везде указывает на JobManager1.
Если я выключу виртуальную машину, на которой запущен JobManager1, я ожидаю, что Zookeeper скажет, что один из оставшихся менеджеров заданий является лидером, и диспетчеры задач должны повторно подключиться к нему. Вместо этого я получаю в журналах диспетчеров задач много таких сообщений.
2017-03-14 14:13:21,827 INFO org.apache.flink.runtime.taskmanager.TaskManager - Trying to register at JobManager akka.tcp://[email protected]:43660/user/jobmanager (attempt 11, timeout: 30 seconds)
2017-03-14 14:13:21,836 WARN akka.remote.ReliableDeliverySupervisor - Association with remote system [akka.tcp://[email protected]:43660] has failed, address is now gated for [5000] ms. Reason: [Association failed with [akka.tcp://[email protected]:43660]] Caused by: [Connection refused: /1.2.3.4:43660]
Я изменил исходный IP-адрес на 1.2.3.4 для конфиденциальности и потому, что это всегда один и тот же IP-адрес (JobManager1).
Еще журналы:
2017-03-15 10:28:28,655 INFO org.apache.flink.core.fs.FileSystem - Ensuring all FileSystem streams are closed for Async calls on Source: Custom Source -> Flat Map (1/1)
2017-03-15 10:28:38,534 WARN akka.remote.ReliableDeliverySupervisor - Association with remote system [akka.tcp://[email protected]:44779] has failed, address is now gated for [5000] ms. Reason: [Disassociated]
2017-03-15 10:28:46,606 WARN akka.remote.ReliableDeliverySupervisor - Association with remote system [akka.tcp://[email protected]:44779] has failed, address is now gated for [5000] ms. Reason: [Association failed with [akka.tcp://[email protected]:44779]] Caused by: [Connection refused: /1.2.3.4:44779]
2017-03-15 10:28:52,431 WARN akka.remote.ReliableDeliverySupervisor - Association with remote system [akka.tcp://[email protected]:44779] has failed, address is now gated for [5000] ms. Reason: [Association failed with [akka.tcp://[email protected]:44779]] Caused by: [Connection refused: /1.2.3.4:44779]
2017-03-15 10:29:02,435 WARN akka.remote.ReliableDeliverySupervisor - Association with remote system [akka.tcp://[email protected]:44779] has failed, address is now gated for [5000] ms. Reason: [Association failed with [akka.tcp://[email protected]:44779]] Caused by: [Connection refused: /1.2.3.4:44779]
2017-03-15 10:29:10,489 INFO org.apache.flink.runtime.taskmanager.TaskManager - TaskManager akka://flink/user/taskmanager disconnects from JobManager akka.tcp://[email protected]:44779/user/jobmanager: Old JobManager lost its leadership.
2017-03-15 10:29:10,490 INFO org.apache.flink.runtime.taskmanager.TaskManager - Cancelling all computations and discarding all cached data.
2017-03-15 10:29:10,491 INFO org.apache.flink.runtime.taskmanager.Task - Attempting to fail task externally Source: Custom Source -> Flat Map (1/1) (75fd495cc6acfd72fbe957e60e513223).
2017-03-15 10:29:10,491 INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> Flat Map (1/1) (75fd495cc6acfd72fbe957e60e513223) switched from RUNNING to FAILED.
java.lang.Exception: TaskManager akka://flink/user/taskmanager disconnects from JobManager akka.tcp://[email protected]:44779/user/jobmanager: Old JobManager lost its leadership.
at org.apache.flink.runtime.taskmanager.TaskManager.handleJobManagerDisconnect(TaskManager.scala:1074)
at org.apache.flink.runtime.taskmanager.TaskManager.org$apache$flink$runtime$taskmanager$TaskManager$$handleJobManagerLeaderAddress(TaskManager.scala:1426)
at org.apache.flink.runtime.taskmanager.TaskManager$$anonfun$handleMessage$1.applyOrElse(TaskManager.scala:286)
at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:36)
at org.apache.flink.runtime.LeaderSessionMessageFilter$$anonfun$receive$1.applyOrElse(LeaderSessionMessageFilter.scala:44)
at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:36)
at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:33)
at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:28)
at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123)
at org.apache.flink.runtime.LogMessages$$anon$1.applyOrElse(LogMessages.scala:28)
at akka.actor.Actor$class.aroundReceive(Actor.scala:467)
at org.apache.flink.runtime.taskmanager.TaskManager.aroundReceive(TaskManager.scala:122)
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)
at akka.actor.ActorCell.invoke(ActorCell.scala:487)
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238)
at akka.dispatch.Mailbox.run(Mailbox.scala:220)
at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:397)
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
2017-03-15 10:29:10,512 INFO org.apache.flink.runtime.taskmanager.Task - Triggering cancellation of task code Source: Custom Source -> Flat Map (1/1) (75fd495cc6acfd72fbe957e60e513223).
2017-03-15 10:29:10,515 INFO org.apache.flink.runtime.taskmanager.Task - Attempting to fail task externally Flat Map (1/1) (dd555e0437867c3180a1ecaf0a9f4d04).
2017-03-15 10:29:10,515 INFO org.apache.flink.runtime.taskmanager.Task - Flat Map (1/1) (dd555e0437867c3180a1ecaf0a9f4d04) switched from RUNNING to FAILED.
java.lang.Exception: TaskManager akka://flink/user/taskmanager disconnects from JobManager akka.tcp://[email protected]:44779/user/jobmanager: Old JobManager lost its leadership.
at org.apache.flink.runtime.taskmanager.TaskManager.handleJobManagerDisconnect(TaskManager.scala:1074)
at org.apache.flink.runtime.taskmanager.TaskManager.org$apache$flink$runtime$taskmanager$TaskManager$$handleJobManagerLeaderAddress(TaskManager.scala:1426)
at org.apache.flink.runtime.taskmanager.TaskManager$$anonfun$handleMessage$1.applyOrElse(TaskManager.scala:286)
at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:36)
at org.apache.flink.runtime.LeaderSessionMessageFilter$$anonfun$receive$1.applyOrElse(LeaderSessionMessageFilter.scala:44)
at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:36)
at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:33)
at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:28)
at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123)
at org.apache.flink.runtime.LogMessages$$anon$1.applyOrElse(LogMessages.scala:28)
at akka.actor.Actor$class.aroundReceive(Actor.scala:467)
at org.apache.flink.runtime.taskmanager.TaskManager.aroundReceive(TaskManager.scala:122)
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)
at akka.actor.ActorCell.invoke(ActorCell.scala:487)
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238)
at akka.dispatch.Mailbox.run(Mailbox.scala:220)
at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:397)
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
2017-03-15 10:29:10,516 INFO org.apache.flink.runtime.taskmanager.Task - Triggering cancellation of task code Flat Map (1/1) (dd555e0437867c3180a1ecaf0a9f4d04).
2017-03-15 10:29:10,516 INFO org.apache.flink.runtime.taskmanager.TaskManager - Disassociating from JobManager
2017-03-15 10:29:10,525 INFO org.apache.flink.runtime.blob.BlobCache - Shutting down BlobCache
2017-03-15 10:29:10,542 WARN akka.remote.ReliableDeliverySupervisor - Association with remote system [akka.tcp://[email protected]:44779] has failed, address is now gated for [5000] ms. Reason: [Association failed with [akka.tcp://[email protected]:44779]] Caused by: [Connection refused: /1.2.3.4:44779]
2017-03-15 10:29:10,546 INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Source: Custom Source -> Flat Map (1/1) (75fd495cc6acfd72fbe957e60e513223).
2017-03-15 10:29:10,548 INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Flat Map (1/1) (dd555e0437867c3180a1ecaf0a9f4d04).
2017-03-15 10:29:10,551 INFO org.apache.flink.core.fs.FileSystem - Ensuring all FileSystem streams are closed for Flat Map (1/1)
2017-03-15 10:29:10,552 INFO org.apache.flink.runtime.taskmanager.TaskManager - Trying to register at JobManager akka.tcp://[email protected]:43893/user/jobmanager (attempt 1, timeout: 500 milliseconds)
2017-03-15 10:29:10,567 INFO org.apache.flink.core.fs.FileSystem - Ensuring all FileSystem streams are closed for Source: Custom Source -> Flat Map (1/1)
2017-03-15 10:29:10,632 INFO org.apache.flink.runtime.taskmanager.TaskManager - Successful registration at JobManager (akka.tcp://[email protected]:43893/user/jobmanager), starting network stack and library cache.
2017-03-15 10:29:10,633 INFO org.apache.flink.runtime.taskmanager.TaskManager - Determined BLOB server address to be /1.2.3.5:42830. Starting BLOB cache.
2017-03-15 10:29:10,633 INFO org.apache.flink.runtime.blob.BlobCache - Created BLOB cache storage directory /tmp/blobStore-d97e08db-d2f1-4f00-a7d1-30c2f5823934
2017-03-15 10:29:15,551 WARN akka.remote.ReliableDeliverySupervisor - Association with remote system [akka.tcp://[email protected]:44779] has failed, address is now gated for [5000] ms. Reason: [Association failed with [akka.tcp://[email protected]:44779]] Caused by: [Connection refused: /1.2.3.4:44779]
2017-03-15 10:29:20,571 WARN akka.remote.ReliableDeliverySupervisor - Association with remote system [akka.tcp://[email protected]:44779] has failed, address is now gated for [5000] ms. Reason: [Association failed with [akka.tcp://[email protected]:44779]] Caused by: [Connection refused: /1.2.3.4:44779]
2017-03-15 10:29:25,582 WARN akka.remote.ReliableDeliverySupervisor - Association with remote system [akka.tcp://[email protected]:44779] has failed, address is now gated for [5000] ms. Reason: [Association failed with [akka.tcp://[email protected]:44779]] Caused by: [Connection refused: /1.2.3.4:44779]
2017-03-15 10:29:30,592 WARN akka.remote.ReliableDeliverySupervisor - Association with remote system [akka.tcp://[email protected]:44779] has failed, address is now gated for [5000] ms. Reason: [Association failed with [akka.tcp://[email protected]:44779]] Caused by: [Connection refused: /1.2.3.4:44779]
Кто-нибудь знает, почему диспетчеры задач не пытаются повторно подключиться к одному из оставшихся диспетчеров заданий (например, 1.2.3.5 выше)?
Спасибо!
else
первого внутреннегоif
. Вы можете посмотреть PR здесь: github.com/apache/flink/pull/3506 < / а> - person Dawid Wysakowicz   schedule 14.03.2017RestartStrategy
: ci.apache.org/projects/flink/flink-docs-release-1.2/dev/ - person Dawid Wysakowicz   schedule 16.03.2017