Bump. On Thu, Oct 25, 2018 at 9:11 AM Shailesh Jain <shailesh.j...@stellapps.com> wrote:
> Hi Dawid, > > I've upgraded to flink 1.6.1 and rebased by changes against the tag 1.6.1, > the only commit on top of 1.6 is this: > https://github.com/jainshailesh/flink/commit/797e3c4af5b28263fd98fb79daaba97cabf3392c > > I ran two separate identical jobs (with and without checkpointing > enabled), I'm hitting a ArrayIndexOutOfBoundsException (and sometimes NPE) > *only > when checkpointing (HDFS backend) is enabled*, with the below stack trace. > > I did see a similar problem with different operators here ( > http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/IndexOutOfBoundsException-on-deserialization-after-updating-to-1-6-1-td23933.html). > Is this a known issue which is getting addressed? > > Any ideas on what could be causing this? > > Thanks, > Shailesh > > > 2018-10-24 17:04:13,365 INFO > org.apache.flink.runtime.taskmanager.Task - > SelectCepOperatorMixedTime (1/1) - SelectCepOperatorMixedTime (1/1) > (3d984b7919342a3886593401088ca2cd) switched from RUNNING to FAILED. > org.apache.flink.util.FlinkRuntimeException: Failure happened in filter > function. > at org.apache.flink.cep.nfa.NFA.createDecisionGraph(NFA.java:731) > at org.apache.flink.cep.nfa.NFA.computeNextStates(NFA.java:541) > at org.apache.flink.cep.nfa.NFA.doProcess(NFA.java:284) > at org.apache.flink.cep.nfa.NFA.process(NFA.java:220) > at > org.apache.flink.cep.operator.AbstractKeyedCEPPatternOperator.processEvent(AbstractKeyedCEPPatternOperator.java:379) > at > org.apache.flink.cep.operator.AbstractKeyedCEPPatternMixedTimeApproachOperator.processElement(AbstractKeyedCEPPatternMixedTimeApproachOperator.java:45) > at > org.apache.flink.streaming.runtime.io.StreamInputProcessor.processInput(StreamInputProcessor.java:202) > at > org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.run(OneInputStreamTask.java:105) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:300) > at org.apache.flink.runtime.taskmanager.Task.run(Task.java:711) > at java.lang.Thread.run(Thread.java:748) > Caused by: org.apache.flink.util.WrappingRuntimeException: > java.lang.ArrayIndexOutOfBoundsException: -1 > at > org.apache.flink.cep.nfa.sharedbuffer.SharedBuffer.lambda$materializeMatch$1(SharedBuffer.java:305) > at java.util.HashMap.computeIfAbsent(HashMap.java:1127) > at > org.apache.flink.cep.nfa.sharedbuffer.SharedBuffer.materializeMatch(SharedBuffer.java:301) > at > org.apache.flink.cep.nfa.sharedbuffer.SharedBuffer.materializeMatch(SharedBuffer.java:291) > at > org.apache.flink.cep.nfa.NFA$ConditionContext.getEventsForPattern(NFA.java:811) > at > com.stellapps.contrakcep.flink.patterns.critical.AgitatorMalfunctionAfterChillingPattern$1.filter(AgitatorMalfunctionAfterChillingPattern.java:70) > at > com.stellapps.contrakcep.flink.patterns.critical.AgitatorMalfunctionAfterChillingPattern$1.filter(AgitatorMalfunctionAfterChillingPattern.java:62) > at org.apache.flink.cep.nfa.NFA.checkFilterCondition(NFA.java:742) > at org.apache.flink.cep.nfa.NFA.createDecisionGraph(NFA.java:716) > ... 10 more > Caused by: java.lang.ArrayIndexOutOfBoundsException: -1 > at com.esotericsoftware.kryo.util.IntArray.add(IntArray.java:61) > at > com.esotericsoftware.kryo.Kryo.readReferenceOrNull(Kryo.java:800) > at com.esotericsoftware.kryo.Kryo.readObject(Kryo.java:655) > at > org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.copy(KryoSerializer.java:231) > at > org.apache.flink.cep.nfa.sharedbuffer.Lockable$LockableTypeSerializer.copy(Lockable.java:120) > at > org.apache.flink.cep.nfa.sharedbuffer.Lockable$LockableTypeSerializer.copy(Lockable.java:95) > at > org.apache.flink.api.common.typeutils.base.MapSerializer.copy(MapSerializer.java:113) > at > org.apache.flink.api.common.typeutils.base.MapSerializer.copy(MapSerializer.java:49) > at > org.apache.flink.runtime.state.heap.CopyOnWriteStateTable.get(CopyOnWriteStateTable.java:287) > at > org.apache.flink.runtime.state.heap.CopyOnWriteStateTable.get(CopyOnWriteStateTable.java:311) > at > org.apache.flink.runtime.state.heap.HeapMapState.get(HeapMapState.java:85) > at > org.apache.flink.runtime.state.UserFacingMapState.get(UserFacingMapState.java:47) > at > org.apache.flink.cep.nfa.sharedbuffer.SharedBuffer.lambda$materializeMatch$1(SharedBuffer.java:303) > ... 18 more > > On Fri, Sep 28, 2018 at 11:00 AM Shailesh Jain < > shailesh.j...@stellapps.com> wrote: > >> Hi Dawid, >> >> Thanks for your time on this. The diff should have pointed out only the >> top 3 commits, but since it did not, it is possible I did not rebase my >> branch against 1.4.2 correctly. I'll check this out and get back to you if >> I hit the same issue again. >> >> Thanks again, >> Shailesh >> >> On Thu, Sep 27, 2018 at 1:00 PM Dawid Wysakowicz <dwysakow...@apache.org> >> wrote: >> >>> Hi Shailesh, >>> >>> I am afraid it is gonna be hard to help you, as this branch differs >>> significantly from 1.4.2 release (I've done diff across your branch and >>> tag/release-1.4.2). Moreover the code in the branch you've provided still >>> does not correspond to the lines in the exception you've posted previously. >>> Could you check if the problem occurs on vanilla flink as well? >>> >>> Best, >>> >>> Dawid >>> >>> On 27/09/18 08:22, Shailesh Jain wrote: >>> >>> Hi Dawid, >>> >>> Yes, it is version 1.4.2. We are running vanilla flink, but have added a >>> couple of changes in the CEP operator specifically (top 3 commits here: >>> https://github.com/jainshailesh/flink/commits/poc_on_1.4.2). Changes >>> I've made to CEP operators do not touch the checkpointing path, just >>> overloading the operator for a specific way of handling event time. >>> >>> We are hitting this in production, so I'm not sure it'll be feasible to >>> move to 1.6.0 immediately, but eventually yes. >>> >>> Thanks, >>> Shailesh >>> >>> On Wed, Sep 26, 2018 at 5:44 PM Dawid Wysakowicz <dwysakow...@apache.org> >>> wrote: >>> >>>> Hi Shailesh, >>>> >>>> Are you sure you are using version 1.4.2? Do you run a vanilla flink, >>>> or have you introduced some changes? I am asking cause the lines in >>>> stacktrace does not align with the source code for 1.4.2. >>>> >>>> Also it is a different exception than the one in the issue you've >>>> linked, so if it is a problem than it is definitely a different one. Last >>>> thing I would recommend upgrading to the newest version, as we rewritten >>>> the SharedBuffer implementation in 1.6.0. >>>> >>>> Best, >>>> >>>> Dawid >>>> >>>> On 26/09/18 13:50, Shailesh Jain wrote: >>>> >>>> Hi, >>>> >>>> I think I've hit this same issue on a 3 node standalone cluster (1.4.2) >>>> using HDFS (2.8.4) as state backend. >>>> >>>> 2018-09-26 17:07:39,370 INFO >>>> org.apache.flink.runtime.taskmanager.Task - Attempting >>>> to fail task externally SelectCepOperator (1/1) >>>> (3bec4aa1ef2226c4e0c5ff7b3860d340). >>>> 2018-09-26 17:07:39,370 INFO >>>> org.apache.flink.runtime.taskmanager.Task - >>>> SelectCepOperator (1/1) (3bec4aa1ef2226c4e0c5ff7b3860d340) switched from >>>> RUNNING to FAILED. >>>> AsynchronousException{java.lang.Exception: Could not materialize >>>> checkpoint 6 for operator SelectCepOperator (1/1).} >>>> at >>>> org.apache.flink.streaming.runtime.tasks.StreamTask$AsyncCheckpointRunnable.run(StreamTask.java:948) >>>> at >>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) >>>> at java.util.concurrent.FutureTask.run(FutureTask.java:266) >>>> at >>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) >>>> at >>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) >>>> at java.lang.Thread.run(Thread.java:748) >>>> Caused by: java.lang.Exception: Could not materialize checkpoint 6 for >>>> operator SelectCepOperator (1/1). >>>> ... 6 more >>>> Caused by: java.util.concurrent.ExecutionException: >>>> java.lang.NullPointerException >>>> at java.util.concurrent.FutureTask.report(FutureTask.java:122) >>>> at java.util.concurrent.FutureTask.get(FutureTask.java:192) >>>> at >>>> org.apache.flink.util.FutureUtil.runIfNotDoneAndGet(FutureUtil.java:43) >>>> at >>>> org.apache.flink.streaming.runtime.tasks.StreamTask$AsyncCheckpointRunnable.run(StreamTask.java:894) >>>> ... 5 more >>>> Suppressed: java.lang.Exception: Could not properly cancel managed >>>> keyed state future. >>>> at >>>> org.apache.flink.streaming.api.operators.OperatorSnapshotResult.cancel(OperatorSnapshotResult.java:91) >>>> at >>>> org.apache.flink.streaming.runtime.tasks.StreamTask$AsyncCheckpointRunnable.cleanup(StreamTask.java:976) >>>> at >>>> org.apache.flink.streaming.runtime.tasks.StreamTask$AsyncCheckpointRunnable.run(StreamTask.java:939) >>>> ... 5 more >>>> Caused by: java.util.concurrent.ExecutionException: >>>> java.lang.NullPointerException >>>> at java.util.concurrent.FutureTask.report(FutureTask.java:122) >>>> at java.util.concurrent.FutureTask.get(FutureTask.java:192) >>>> at >>>> org.apache.flink.util.FutureUtil.runIfNotDoneAndGet(FutureUtil.java:43) >>>> at >>>> org.apache.flink.runtime.state.StateUtil.discardStateFuture(StateUtil.java:66) >>>> at >>>> org.apache.flink.streaming.api.operators.OperatorSnapshotResult.cancel(OperatorSnapshotResult.java:89) >>>> ... 7 more >>>> Caused by: java.lang.NullPointerException >>>> at >>>> org.apache.flink.cep.nfa.SharedBuffer$SharedBufferSerializer.serialize(SharedBuffer.java:954) >>>> at >>>> org.apache.flink.cep.nfa.SharedBuffer$SharedBufferSerializer.serialize(SharedBuffer.java:825) >>>> at >>>> org.apache.flink.cep.nfa.NFA$NFASerializer.serialize(NFA.java:888) >>>> at >>>> org.apache.flink.cep.nfa.NFA$NFASerializer.serialize(NFA.java:820) >>>> at >>>> org.apache.flink.runtime.state.heap.CopyOnWriteStateTableSnapshot.writeMappingsInKeyGroup(CopyOnWriteStateTableSnapshot.java:196) >>>> at >>>> org.apache.flink.runtime.state.heap.HeapKeyedStateBackend$1.performOperation(HeapKeyedStateBackend.java:390) >>>> at >>>> org.apache.flink.runtime.state.heap.HeapKeyedStateBackend$1.performOperation(HeapKeyedStateBackend.java:339) >>>> at >>>> org.apache.flink.runtime.io.async.AbstractAsyncCallableWithResources.call(AbstractAsyncCallableWithResources.java:75) >>>> at java.util.concurrent.FutureTask.run(FutureTask.java:266) >>>> at >>>> org.apache.flink.util.FutureUtil.runIfNotDoneAndGet(FutureUtil.java:40) >>>> at >>>> org.apache.flink.streaming.runtime.tasks.StreamTask$AsyncCheckpointRunnable.run(StreamTask.java:894) >>>> ... 5 more >>>> [CIRCULAR REFERENCE:java.lang.NullPointerException] >>>> >>>> Any ideas on why I'm hitting this especially when this ( >>>> https://issues.apache.org/jira/browse/FLINK-7756) says it has been >>>> fixed in 1.4.2 ? >>>> >>>> On Sat, Nov 4, 2017 at 12:34 AM Federico D'Ambrosio < >>>> federico.dambro...@smartlab.ws> wrote: >>>> >>>>> Thank you very much for your steady response, Kostas! >>>>> >>>>> Cheers, >>>>> Federico >>>>> >>>>> 2017-11-03 16:26 GMT+01:00 Kostas Kloudas <k.klou...@data-artisans.com >>>>> >: >>>>> >>>>>> Hi Federico, >>>>>> >>>>>> Thanks for trying it out! >>>>>> Great to hear that your problem was fixed! >>>>>> >>>>>> The feature freeze for the release is going to be next week, and I >>>>>> would expect 1 or 2 more weeks testing. >>>>>> So I would say in 2.5 weeks. But this is of course subject to >>>>>> potential issues we may find during testing. >>>>>> >>>>>> Cheers, >>>>>> Kostas >>>>>> >>>>>> On Nov 3, 2017, at 4:22 PM, Federico D'Ambrosio < >>>>>> federico.dambro...@smartlab.ws> wrote: >>>>>> >>>>>> Hi Kostas, >>>>>> >>>>>> I just tried running the same job with 1.4-SNAPSHOT for 10 minutes >>>>>> and it didn't crash, so that was the same underlying issue of the JIRA >>>>>> you >>>>>> linked. >>>>>> >>>>>> Do you happen to know when it's expected the 1.4 stable release? >>>>>> >>>>>> Thank you very much, >>>>>> Federico >>>>>> >>>>>> 2017-11-03 15:25 GMT+01:00 Kostas Kloudas < >>>>>> k.klou...@data-artisans.com>: >>>>>> >>>>>>> Perfect! thanks a lot! >>>>>>> >>>>>>> Kostas >>>>>>> >>>>>>> On Nov 3, 2017, at 3:23 PM, Federico D'Ambrosio < >>>>>>> federico.dambro...@smartlab.ws> wrote: >>>>>>> >>>>>>> Hi Kostas, >>>>>>> >>>>>>> yes, I'm using 1.3.2. I'll try the current master and I'll get back >>>>>>> to you. >>>>>>> >>>>>>> 2017-11-03 15:21 GMT+01:00 Kostas Kloudas < >>>>>>> k.klou...@data-artisans.com>: >>>>>>> >>>>>>>> Hi Federico, >>>>>>>> >>>>>>>> I assume that you are using Flink 1.3, right? >>>>>>>> >>>>>>>> In this case, in 1.4 we have fixed a bug that seems similar to your >>>>>>>> case: >>>>>>>> https://issues.apache.org/jira/browse/FLINK-7756 >>>>>>>> >>>>>>>> Could you try the current master to see if it fixes your problem? >>>>>>>> >>>>>>>> Thanks, >>>>>>>> Kostas >>>>>>>> >>>>>>>> On Nov 3, 2017, at 3:12 PM, Federico D'Ambrosio < >>>>>>>> federico.dambro...@smartlab.ws> wrote: >>>>>>>> >>>>>>>> Could not find id for >>>>>>>> entry: >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> Federico D'Ambrosio >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> Federico D'Ambrosio >>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>>> -- >>>>> Federico D'Ambrosio >>>>> >>>> >>>> >>>
