[jira] [Created] (FLINK-27257) Flink kubernetes operator triggers savepoint failed because of not all tasks running

["Yang Wang (Jira)" <ji...@apache.org>]

Yang Wang created FLINK-27257:
---------------------------------

             Summary: Flink kubernetes operator triggers savepoint failed because of not all tasks running
                 Key: FLINK-27257
                 URL: https://issues.apache.org/jira/browse/FLINK-27257
             Project: Flink
          Issue Type: Bug
          Components: Kubernetes Operator
            Reporter: Yang Wang


{code:java}
2022-04-15 02:38:56,551 o.a.f.k.o.s.FlinkService       [INFO ][default/flink-example-statemachine] Fetching savepoint result with triggerId: 182d7f176496856d7b33fe2f3767da18
2022-04-15 02:38:56,690 o.a.f.k.o.s.FlinkService       [ERROR][default/flink-example-statemachine] Savepoint error
org.apache.flink.runtime.checkpoint.CheckpointException: Checkpoint triggering task Source: Custom Source (1/2) of job 00000000000000000000000000000000 is not being executed at the moment. Aborting checkpoint. Failure reason: Not all required tasks are currently running.
    at org.apache.flink.runtime.checkpoint.DefaultCheckpointPlanCalculator.checkTasksStarted(DefaultCheckpointPlanCalculator.java:143)
    at org.apache.flink.runtime.checkpoint.DefaultCheckpointPlanCalculator.lambda$calculateCheckpointPlan$1(DefaultCheckpointPlanCalculator.java:105)
    at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1604)
    at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.lambda$handleRunAsync$4(AkkaRpcActor.java:455)
    at org.apache.flink.runtime.concurrent.akka.ClassLoadingUtils.runWithContextClassLoader(ClassLoadingUtils.java:68)
    at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRunAsync(AkkaRpcActor.java:455)
    at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:213)
    at org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:78)
    at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:163)
    at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:24)
    at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:20)
    at scala.PartialFunction.applyOrElse(PartialFunction.scala:123)
    at scala.PartialFunction.applyOrElse$(PartialFunction.scala:122)
    at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:20)
    at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)
    at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172)
    at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172)
    at akka.actor.Actor.aroundReceive(Actor.scala:537)
    at akka.actor.Actor.aroundReceive$(Actor.scala:535)
    at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:220)
    at akka.actor.ActorCell.receiveMessage(ActorCell.scala:580)
    at akka.actor.ActorCell.invoke(ActorCell.scala:548)
    at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:270)
    at akka.dispatch.Mailbox.run(Mailbox.scala:231)
    at akka.dispatch.Mailbox.exec(Mailbox.scala:243)
    at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
    at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
    at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
    at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:175)
2022-04-15 02:38:56,693 o.a.f.k.o.o.SavepointObserver  [ERROR][default/flink-example-statemachine] Checkpoint triggering task Source: Custom Source (1/2) of job 00000000000000000000000000000000 is not being executed at the moment. Aborting checkpoint. Failure reason: Not all required tasks are currently running. {code}
How to reproduce?

Update arbitrary fields(e.g. parallelism) along with {{{}savepointTriggerNonce{}}}.

 

The root cause might be the running state return by {{ClusterClient#listJobs()}} does not mean all the tasks are running.



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