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From "Matthias J. Sax" <mj...@apache.org>
Subject Re: JobManager not reachable
Date Wed, 14 Oct 2015 20:42:46 GMT
No. See log below.

Btw: the job is not cleaned up properly. Some task remain in state
"Canceling".

The program I execute is "Streaming WordCount" example with my own
source function. This custom source (see below), reads a local (small)
file, bufferes each line in an internal buffer, and emits the buffered
lines over and over again (for 5 minutes). (A copy of the file is
located on every worker machine of course.) This is of course no common
patttern; I just do this, because I have only a small file and want the
job to run longer.

As the job is running for multiple minutes until it fails, I assume that
this uncommon pattern should actually not cauase any problem. I just
report it, to make sure it is not the problem (hope you can confirm).

-Matthias


> 	private static final class SimpleFileSource implements ParallelSourceFunction<String>
{
> 		private static final long serialVersionUID = -5727198990308179551L;
> 
> 		volatile boolean running = true;
> 		@Override
> 		public void run(
> 				org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<String>
ctx)
> 						throws Exception {
> 
> 			BufferedReader reader = new BufferedReader(new FileReader(
> 					"/data/mjsax/hamlet.txt"));
> 			ArrayList<String> buffer = new ArrayList<String>();
> 			int counter = 0;
> 			String line;
> 
> 			long start = System.nanoTime();
> 			while (running && (line = reader.readLine()) != null) {
> 				buffer.add(line);
> 				ctx.collect(line);
> 			}
> 			reader.close();
> 
> 			while (running && (System.nanoTime() - start) < 5L * 60 * 1000 * 1000 *
1000) {
> 				ctx.collect(buffer.get(counter));
> 				counter = ++counter % buffer.size();
> 			}
> 		}
> 
> 		@Override
> 		public void cancel() {
> 			running = false;
> 		}
> 	}


JobManager log:

> 22:19:16,618 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (2/28) (29bb077aa0772c0c42a21b782d496b7c) switched from DEPLOYING
to RUNNING
> 22:22:52,082 WARN  akka.remote.RemoteWatcher                                     - Detected
unreachable: [akka.tcp://flink@192.168.127.32:32994]
> 22:22:52,083 INFO  org.apache.flink.runtime.jobmanager.JobManager                - Task
manager akka.tcp://flink@192.168.127.32:32994/user/taskmanager terminated.
> 22:22:52,084 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (8/28) (b3fb63bdac8f446e8bbaa015f30abfdc) switched from RUNNING
to FAILED
> 22:22:52,093 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (1/28) (e18d7fb12ea2b5b88dda07e79a6c62ba) switched from RUNNING
to CANCELING
> 22:22:52,096 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (2/28) (b5af8ba1031971c07b8655bdf62acdea) switched from RUNNING
to CANCELING
> 22:22:52,096 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (3/28) (47d0cbfb8472a50ac005305dfab91202) switched from RUNNING
to CANCELING
> 22:22:52,096 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (4/28) (39144b5a2aa58be4667bdc38c50602b5) switched from RUNNING
to CANCELING
> 22:22:52,096 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (5/28) (c6dcb3a5d755b162dbe13f32de406a1d) switched from RUNNING
to CANCELING
> 22:22:52,097 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (6/28) (09d9649f2e9c83dbbe3d1b253651f136) switched from RUNNING
to CANCELING
> 22:22:52,097 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (7/28) (f82fda5a32c0f96acda4185ade9e985f) switched from RUNNING
to CANCELING
> 22:22:52,097 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (9/28) (dc9d2905ae42980a25c8870a1d89c056) switched from RUNNING
to CANCELING
> 22:22:52,097 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (10/28) (2e9682428b32fca6fca787e1a6b71359) switched from RUNNING
to CANCELING
> 22:22:52,097 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (11/28) (bae79dd7f2b9346c7d168db8143c0bd4) switched from RUNNING
to CANCELING
> 22:22:52,098 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (12/28) (642c76fc78faafcb023bce9cec041e9d) switched from RUNNING
to CANCELING
> 22:22:52,098 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (13/28) (1cf21c3abc8f91f82b5fb6175181baeb) switched from RUNNING
to CANCELING
> 22:22:52,098 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (14/28) (97fe45f48434c568652a9f9cd885b2da) switched from RUNNING
to CANCELING
> 22:22:52,098 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (15/28) (b8833cdda3fc205865ef611d176b33ea) switched from RUNNING
to CANCELING
> 22:22:52,098 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (16/28) (157a107c35ac994503cca577389a4f80) switched from RUNNING
to CANCELING
> 22:22:52,099 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (17/28) (509d1dacb4448b741aaf170009a31364) switched from RUNNING
to CANCELING
> 22:22:52,099 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (18/28) (d6bce51dd6d00b6b2f7e59ffcc733242) switched from RUNNING
to CANCELING
> 22:22:52,099 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (19/28) (dc6931d39b054b761cfed7345d683c29) switched from RUNNING
to CANCELING
> 22:22:52,099 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (20/28) (0f288fa6cc5910235e32564c1740670f) switched from RUNNING
to CANCELING
> 22:22:52,099 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (21/28) (80b811c2787d34c67941686e3c2be74a) switched from RUNNING
to CANCELING
> 22:22:52,100 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (22/28) (c70d69252e7b3ff6a537a2b09180d818) switched from RUNNING
to CANCELING
> 22:22:52,100 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (23/28) (29154b2299dd080e041ca8a349d3b418) switched from RUNNING
to CANCELING
> 22:22:52,100 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (24/28) (f56827e4079567adb23406c44f765dcf) switched from RUNNING
to CANCELING
> 22:22:52,100 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (25/28) (cd6f30e3a69b02367a6ddd097f9fb825) switched from RUNNING
to CANCELING
> 22:22:52,100 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (26/28) (c4b3af71e26718513752595a6cbdcee5) switched from RUNNING
to CANCELING
> 22:22:52,101 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (27/28) (b152ab3209ca6c68c6f20213ccb48f40) switched from RUNNING
to CANCELING
> 22:22:52,101 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (28/28) (efcee09b90ca372bffa4d086ce0b104a) switched from RUNNING
to CANCELING
> 22:22:52,101 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (1/28) (b2189b3d40cb4fa24083ffefd43ffc4f) switched from RUNNING
to CANCELING
> 22:22:52,101 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (2/28) (29bb077aa0772c0c42a21b782d496b7c) switched from RUNNING
to CANCELING
> 22:22:52,101 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (3/28) (2eb046c3d88cb7e6deccb5ac9d3a3704) switched from RUNNING
to CANCELING
> 22:22:52,102 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (4/28) (63f6696e53f08dc420bb51a10a092531) switched from RUNNING
to CANCELING
> 22:22:52,102 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (5/28) (bd9c6fc6d89e64dd3bef9c21065dfc87) switched from RUNNING
to CANCELING
> 22:22:52,102 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (6/28) (b675c869f60552cc04c3842d297a2529) switched from RUNNING
to CANCELING
> 22:22:52,102 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (7/28) (3f56dfd2ff3fe595555be6a372bf7c7b) switched from RUNNING
to CANCELING
> 22:22:52,102 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (8/28) (94d29535cf2559e5fe6dc13b8a5e3f08) switched from RUNNING
to CANCELING
> 22:22:52,103 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (9/28) (5f99a88b2041719d202f20bbc5dd2ca6) switched from RUNNING
to CANCELING
> 22:22:52,103 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (10/28) (7c1a75ec9794ae9197ac3e64ecbd4ad8) switched from RUNNING
to CANCELING
> 22:22:52,103 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (11/28) (c110922406d6f58cd34c80abf1ace972) switched from RUNNING
to CANCELING
> 22:22:52,103 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (12/28) (2f991c806e12dd9715da532f35d3cd83) switched from RUNNING
to CANCELING
> 22:22:52,103 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (13/28) (4b59d9e7f5102f7a5d1c09e49ffca66e) switched from RUNNING
to CANCELING
> 22:22:52,104 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (14/28) (6b966d3247685983a73b439666fe315a) switched from RUNNING
to CANCELING
> 22:22:52,104 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (15/28) (b7f040b44a87db85c41b7f8e1808aecc) switched from RUNNING
to CANCELING
> 22:22:52,104 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (16/28) (1a42f51a278bef23c497da8d34a28e91) switched from RUNNING
to CANCELING
> 22:22:52,104 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (17/28) (b3d86978bc1bf04e2cab2700fb6975e0) switched from RUNNING
to CANCELING
> 22:22:52,104 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (18/28) (a44cb0a419524a0b7e04d476285b03c0) switched from RUNNING
to CANCELING
> 22:22:52,104 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (19/28) (0d2b87be2ec0eb7961c05a4cf7baf7a7) switched from RUNNING
to CANCELING
> 22:22:52,105 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (20/28) (ebd6220fc5d98912811c19aa9fe29e63) switched from RUNNING
to CANCELING
> 22:22:52,105 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (21/28) (6cd95e1bb7c22e310967eab4149fa93d) switched from RUNNING
to CANCELING
> 22:22:52,105 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (22/28) (ddc9b7f1c122e2d36632c8f8e886d35b) switched from RUNNING
to CANCELING
> 22:22:52,105 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (23/28) (0e3b8cc17d0169a12142532dd800f966) switched from RUNNING
to CANCELING
> 22:22:52,105 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (24/28) (4ac383b01d8c5a2d395612202d1f876c) switched from RUNNING
to CANCELING
> 22:22:52,106 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (25/28) (bf542fee30071b7cfa63bae514af6106) switched from RUNNING
to CANCELING
> 22:22:52,106 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (26/28) (e60b40069c1c82c44318e053eacfa7bd) switched from RUNNING
to CANCELING
> 22:22:52,106 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (27/28) (35d1ce78a6f61a75af41c7b6d9c403a9) switched from RUNNING
to CANCELING
> 22:22:52,106 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (28/28) (de58a786dbd2557dcc7c54bf2710525b) switched from RUNNING
to CANCELING
> 22:22:52,107 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (16/28) (1a42f51a278bef23c497da8d34a28e91) switched from CANCELING
to FAILED
> 22:22:52,107 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (28/28) (efcee09b90ca372bffa4d086ce0b104a) switched from CANCELING
to FAILED
> 22:22:52,108 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (15/28) (b7f040b44a87db85c41b7f8e1808aecc) switched from CANCELING
to FAILED
> 22:22:52,108 INFO  org.apache.flink.runtime.instance.InstanceManager             - Unregistered
task manager akka.tcp://flink@192.168.127.32:32994/user/taskmanager. Number of registered
task managers 19. Number of available slots 228.
> 22:22:52,109 INFO  org.apache.flink.runtime.jobmanager.JobManager                - Status
of job 11b9636948e49d96965051902b0aee1f (Streaming WordCount) changed to FAILING.
> java.lang.Exception: The slot in which the task was executed has been released. Probably
loss of TaskManager 8175fe04b5cad804b197fbd1f8e2a599 @ dbis32 - 12 slots - URL: akka.tcp://flink@192.168.127.32:32994/user/taskmanager
>         at org.apache.flink.runtime.instance.SimpleSlot.releaseSlot(SimpleSlot.java:151)
>         at org.apache.flink.runtime.instance.SlotSharingGroupAssignment.releaseSharedSlot(SlotSharingGroupAssignment.java:547)
>         at org.apache.flink.runtime.instance.SharedSlot.releaseSlot(SharedSlot.java:119)
>         at org.apache.flink.runtime.instance.Instance.markDead(Instance.java:156)
>         at org.apache.flink.runtime.instance.InstanceManager.unregisterTaskManager(InstanceManager.java:215)
>         at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1.applyOrElse(JobManager.scala:565)
>         at scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33)
>         at scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33)
>         at scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25)
>         at org.apache.flink.runtime.LeaderSessionMessageFilter$$anonfun$receive$1.applyOrElse(LeaderSessionMessageFilter.scala:44)
>         at scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33)
>         at scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33)
>         at scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25)
>         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:118)
>         at org.apache.flink.runtime.LogMessages$$anon$1.applyOrElse(LogMessages.scala:28)
>         at akka.actor.Actor$class.aroundReceive(Actor.scala:465)
>         at org.apache.flink.runtime.jobmanager.JobManager.aroundReceive(JobManager.scala:103)
>         at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)
>         at akka.actor.dungeon.DeathWatch$class.receivedTerminated(DeathWatch.scala:46)
>         at akka.actor.ActorCell.receivedTerminated(ActorCell.scala:369)
>         at akka.actor.ActorCell.autoReceiveMessage(ActorCell.scala:501)
>         at akka.actor.ActorCell.invoke(ActorCell.scala:486)
>         at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:254)
>         at akka.dispatch.Mailbox.run(Mailbox.scala:221)
>         at akka.dispatch.Mailbox.exec(Mailbox.scala:231)
>         at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
>         at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
>         at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
>         at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> 22:22:52,132 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (15/28) (b8833cdda3fc205865ef611d176b33ea) switched from CANCELING
to CANCELED
> 22:22:52,132 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (11/28) (bae79dd7f2b9346c7d168db8143c0bd4) switched from CANCELING
to CANCELED
> 22:22:52,133 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (9/28) (dc9d2905ae42980a25c8870a1d89c056) switched from CANCELING
to CANCELED
> 22:22:52,133 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (18/28) (d6bce51dd6d00b6b2f7e59ffcc733242) switched from CANCELING
to CANCELED
> 22:22:52,134 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (6/28) (09d9649f2e9c83dbbe3d1b253651f136) switched from CANCELING
to CANCELED
> 22:22:52,135 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (17/28) (509d1dacb4448b741aaf170009a31364) switched from CANCELING
to CANCELED
> 22:22:52,135 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (26/28) (c4b3af71e26718513752595a6cbdcee5) switched from CANCELING
to CANCELED
> 22:22:52,135 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (5/28) (c6dcb3a5d755b162dbe13f32de406a1d) switched from CANCELING
to CANCELED
> 22:22:52,136 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (14/28) (97fe45f48434c568652a9f9cd885b2da) switched from CANCELING
to CANCELED
> 22:22:52,136 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (25/28) (cd6f30e3a69b02367a6ddd097f9fb825) switched from CANCELING
to CANCELED
> 22:22:52,137 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (13/28) (1cf21c3abc8f91f82b5fb6175181baeb) switched from CANCELING
to CANCELED
> 22:22:52,137 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (10/28) (2e9682428b32fca6fca787e1a6b71359) switched from CANCELING
to CANCELED
> 22:22:52,137 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (19/28) (dc6931d39b054b761cfed7345d683c29) switched from CANCELING
to CANCELED
> 22:22:52,139 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (7/28) (f82fda5a32c0f96acda4185ade9e985f) switched from CANCELING
to CANCELED
> 22:22:52,139 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (4/28) (39144b5a2aa58be4667bdc38c50602b5) switched from CANCELING
to CANCELED
> 22:22:52,139 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (2/28) (b5af8ba1031971c07b8655bdf62acdea) switched from CANCELING
to CANCELED
> 22:22:52,139 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (24/28) (f56827e4079567adb23406c44f765dcf) switched from CANCELING
to CANCELED
> 22:22:52,140 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (22/28) (c70d69252e7b3ff6a537a2b09180d818) switched from CANCELING
to CANCELED
> 22:22:52,140 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (3/28) (47d0cbfb8472a50ac005305dfab91202) switched from CANCELING
to CANCELED
> 22:22:52,140 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (27/28) (b152ab3209ca6c68c6f20213ccb48f40) switched from CANCELING
to CANCELED
> 22:22:52,141 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (23/28) (29154b2299dd080e041ca8a349d3b418) switched from CANCELING
to CANCELED
> 22:22:52,141 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (20/28) (0f288fa6cc5910235e32564c1740670f) switched from CANCELING
to CANCELED
> 22:22:52,142 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (12/28) (642c76fc78faafcb023bce9cec041e9d) switched from CANCELING
to CANCELED
> 22:22:52,142 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (16/28) (157a107c35ac994503cca577389a4f80) switched from CANCELING
to CANCELED
> 22:22:57,003 INFO  Remoting                                                      - Quarantined
address [akka.tcp://flink@192.168.127.32:32994] is still unreachable or has not been restarted.
Keeping it quarantined.
> 22:23:01,078 WARN  akka.remote.RemoteWatcher                                     - Detected
unreachable: [akka.tcp://flink@192.168.127.62:35242]
> 22:23:01,079 INFO  org.apache.flink.runtime.jobmanager.JobManager                - Task
manager akka.tcp://flink@192.168.127.62:35242/user/taskmanager terminated.
> 22:23:01,079 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (1/28) (b2189b3d40cb4fa24083ffefd43ffc4f) switched from CANCELING
to FAILED
> 22:23:01,081 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (21/28) (80b811c2787d34c67941686e3c2be74a) switched from CANCELING
to FAILED
> 22:23:01,082 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed
Aggregation -> Sink: Unnamed (2/28) (29bb077aa0772c0c42a21b782d496b7c) switched from CANCELING
to FAILED
> 22:23:01,083 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source:
Custom Source -> Flat Map (1/28) (e18d7fb12ea2b5b88dda07e79a6c62ba) switched from CANCELING
to FAILED
> 22:23:01,084 INFO  org.apache.flink.runtime.instance.InstanceManager             - Unregistered
task manager akka.tcp://flink@192.168.127.62:35242/user/taskmanager. Number of registered
task managers 18. Number of available slots 216.




On 10/11/2015 11:54 PM, Stephan Ewen wrote:
> Can you see is there is anything unusual in the JobManager logs?
> Am 11.10.2015 18:56 schrieb "Matthias J. Sax" <mjsax@apache.org>:
> 
>> Hi,
>>
>> I was just playing arround with Flink. After submitting my job, it runs
>> for multiple minutes, until I get the following Exception in one if the
>> TaskManager logs and the job fails.
>>
>> I have no clue what's going on...
>>
>> -Matthias
>>
>>
>>> 18:43:23,567 WARN  akka.remote.RemoteWatcher
>>          - Detected unreachable: [akka.tcp://flink@192.168.127.11:6123]
>>> 18:43:23,864 WARN  akka.remote.ReliableDeliverySupervisor
>>         - Association with remote system [akka.tcp://
>> flink@192.168.127.11:6123] has failed, address is now gated for [5000]
>> ms. Reason is: [Disassociated].
>>> 18:43:23,866 INFO  org.apache.flink.runtime.taskmanager.TaskManager
>>         - TaskManager akka://flink/user/taskmanager disconnects from
>> JobManager akka.tcp://flink@192.168.127.11:6123/user/jobmanager:
>> JobManager is no longer reachable
>>> 18:43:23,867 INFO  org.apache.flink.runtime.taskmanager.TaskManager
>>         - Cancelling all computations and discarding all cached data.
>>> 18:43:23,870 INFO  org.apache.flink.runtime.taskmanager.Task
>>          - Attempting to fail task externally Keyed Aggregation -> Sink:
>> Unnamed (1/28)
>>> 18:43:23,870 INFO  org.apache.flink.runtime.taskmanager.Task
>>          - Keyed Aggregation -> Sink: Unnamed (1/28) switched to FAILED
>> with exception.
>>> java.lang.Exception: TaskManager akka://flink/user/taskmanager
>> disconnects from JobManager akka.tcp://
>> flink@192.168.127.11:6123/user/jobmanager: JobManager is no longer
>> reachable
>>>         at
>> org.apache.flink.runtime.taskmanager.TaskManager.handleJobManagerDisconnect(TaskManager.scala:826)
>>>         at
>> org.apache.flink.runtime.taskmanager.TaskManager$$anonfun$handleMessage$1.applyOrElse(TaskManager.scala:297)
>>>         at
>> scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33)
>>>         at
>> scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33)
>>>         at
>> scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25)
>>>         at
>> org.apache.flink.runtime.LeaderSessionMessageFilter$$anonfun$receive$1.applyOrElse(LeaderSessionMessageFilter.scala:44)
>>>         at
>> scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33)
>>>         at
>> scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33)
>>>         at
>> scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25)
>>>         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:118)
>>>         at
>> org.apache.flink.runtime.LogMessages$$anon$1.applyOrElse(LogMessages.scala:28)
>>>         at akka.actor.Actor$class.aroundReceive(Actor.scala:465)
>>>         at
>> org.apache.flink.runtime.taskmanager.TaskManager.aroundReceive(TaskManager.scala:119)
>>>         at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)
>>>         at
>> akka.actor.dungeon.DeathWatch$class.receivedTerminated(DeathWatch.scala:46)
>>>         at akka.actor.ActorCell.receivedTerminated(ActorCell.scala:369)
>>>         at akka.actor.ActorCell.autoReceiveMessage(ActorCell.scala:501)
>>>         at akka.actor.ActorCell.invoke(ActorCell.scala:486)
>>>         at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:254)
>>>         at akka.dispatch.Mailbox.run(Mailbox.scala:221)
>>>         at akka.dispatch.Mailbox.exec(Mailbox.scala:231)
>>>         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)
>>> 18:43:23,879 INFO  org.apache.flink.runtime.taskmanager.Task
>>          - Triggering cancellation of task code Keyed Aggregation -> Sink:
>> Unnamed (1/28) (4b1f979a60c30f84ee60553730a4e99a).
>>> 18:43:23,880 INFO  org.apache.flink.runtime.taskmanager.Task
>>          - Attempting to fail task externally Source: Custom Source -> Flat
>> Map (1/28)
>>> 18:43:23,880 INFO  org.apache.flink.runtime.taskmanager.Task
>>          - Source: Custom Source -> Flat Map (1/28) switched to FAILED with
>> exception.
>>> java.lang.Exception: TaskManager akka://flink/user/taskmanager
>> disconnects from JobManager akka.tcp://
>> flink@192.168.127.11:6123/user/jobmanager: JobManager is no longer
>> reachable
>>>         at
>> org.apache.flink.runtime.taskmanager.TaskManager.handleJobManagerDisconnect(TaskManager.scala:826)
>>>         at
>> org.apache.flink.runtime.taskmanager.TaskManager$$anonfun$handleMessage$1.applyOrElse(TaskManager.scala:297)
>>>         at
>> scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33)
>>>         at
>> scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33)
>>>         at
>> scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25)
>>>         at
>> org.apache.flink.runtime.LeaderSessionMessageFilter$$anonfun$receive$1.applyOrElse(LeaderSessionMessageFilter.scala:44)
>>>         at
>> scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33)
>>>         at
>> scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33)
>>>         at
>> scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25)
>>>         at
>> org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:33)
>>>         at
>> org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:28)
>>>         at
>> scala.PartialFunction$class.applyOrElse(PartialFunction.scala:118)
>>>         at
>> org.apache.flink.runtime.LogMessages$$anon$1.applyOrElse(LogMessages.scala:28)
>>>         at akka.actor.Actor$class.aroundReceive(Actor.scala:465)
>>>         at
>> org.apache.flink.runtime.taskmanager.TaskManager.aroundReceive(TaskManager.scala:119)
>>>         at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)
>>>         at
>> akka.actor.dungeon.DeathWatch$class.receivedTerminated(DeathWatch.scala:46)
>>>         at akka.actor.ActorCell.receivedTerminated(ActorCell.scala:369)
>>>         at akka.actor.ActorCell.autoReceiveMessage(ActorCell.scala:501)
>>>         at akka.actor.ActorCell.invoke(ActorCell.scala:486)
>>>         at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:254)
>>>         at akka.dispatch.Mailbox.run(Mailbox.scala:221)
>>>         at akka.dispatch.Mailbox.exec(Mailbox.scala:231)
>>>         at
>> scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
>>>         at
>> scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
>>>         at
>> scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
>>>         at
>> scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
>>
>>
> 


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