[
https://issues.apache.org/jira/browse/FLINK-32945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dong Lin closed FLINK-32945.
----------------------------
Resolution: Fixed
> NullPointerException when executing TopSpeedWindowing example with
> checkpointing enabled
> ----------------------------------------------------------------------------------------
>
> Key: FLINK-32945
> URL: https://issues.apache.org/jira/browse/FLINK-32945
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination
> Affects Versions: 1.18.0
> Reporter: Matthias Pohl
> Assignee: Jiang Xin
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.18.0
>
> Attachments: data.txt.gz
>
>
> I tried running the TopSpeedWindowing example with a checkpoint interval of
> 10s and the data input file that I attached to this Jira. I run into the
> following NullPointerException:
> {code}
> 2023-08-23 09:56:03,111 ERROR
> org.apache.flink.runtime.rpc.pekko.FencedPekkoRpcActor [] - Error while
> executing remote procedure call public void
> org.apache.flink.runtime.jobmaster.JobMaster.notifyEndOfData(org.apache.flink.runtime.executiongraph.ExecutionAttemptID).
> java.lang.reflect.InvocationTargetException: null
> at jdk.internal.reflect.GeneratedMethodAccessor20.invoke(Unknown
> Source) ~[?:?]
> at
> jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> ~[?:?]
> at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
> at
> org.apache.flink.runtime.rpc.pekko.PekkoRpcActor.lambda$handleRpcInvocation$0(PekkoRpcActor.java:301)
> ~[flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at
> org.apache.flink.runtime.concurrent.ClassLoadingUtils.runWithContextClassLoader(ClassLoadingUtils.java:83)
> ~[classes/:?]
> at
> org.apache.flink.runtime.rpc.pekko.PekkoRpcActor.handleRpcInvocation(PekkoRpcActor.java:300)
> ~[flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at
> org.apache.flink.runtime.rpc.pekko.PekkoRpcActor.handleRpcMessage(PekkoRpcActor.java:222)
> ~[flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at
> org.apache.flink.runtime.rpc.pekko.FencedPekkoRpcActor.handleRpcMessage(FencedPekkoRpcActor.java:85)
> ~[flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at
> org.apache.flink.runtime.rpc.pekko.PekkoRpcActor.handleMessage(PekkoRpcActor.java:168)
> ~[flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at
> org.apache.pekko.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:33)
> [flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at
> org.apache.pekko.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:29)
> [flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at scala.PartialFunction.applyOrElse(PartialFunction.scala:127)
> [flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at scala.PartialFunction.applyOrElse$(PartialFunction.scala:126)
> [flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at
> org.apache.pekko.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:29)
> [flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:175)
> [flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:176)
> [flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:176)
> [flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at org.apache.pekko.actor.Actor.aroundReceive(Actor.scala:547)
> [flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at org.apache.pekko.actor.Actor.aroundReceive$(Actor.scala:545)
> [flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at
> org.apache.pekko.actor.AbstractActor.aroundReceive(AbstractActor.scala:229)
> [flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at org.apache.pekko.actor.ActorCell.receiveMessage(ActorCell.scala:590)
> [flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at org.apache.pekko.actor.ActorCell.invoke(ActorCell.scala:557)
> [flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at org.apache.pekko.dispatch.Mailbox.processMailbox(Mailbox.scala:280)
> [flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at org.apache.pekko.dispatch.Mailbox.run(Mailbox.scala:241)
> [flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at org.apache.pekko.dispatch.Mailbox.exec(Mailbox.scala:253)
> [flink-rpc-akka4947976d-da31-483f-88c7-8f3ce057edfe.jar:1.18-SNAPSHOT]
> at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) [?:?]
> at
> java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
> [?:?]
> at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) [?:?]
> at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
> [?:?]
> at
> java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
> [?:?]
> Caused by: java.lang.NullPointerException: Cannot invoke
> "java.util.BitSet.set(int)" because "subtaskStatus" is null
> at
> org.apache.flink.runtime.scheduler.VertexEndOfDataListener.recordTaskEndOfData(VertexEndOfDataListener.java:51)
> ~[classes/:?]
> at
> org.apache.flink.runtime.scheduler.SchedulerBase.notifyEndOfData(SchedulerBase.java:1079)
> ~[classes/:?]
> at
> org.apache.flink.runtime.jobmaster.JobMaster.notifyEndOfData(JobMaster.java:508)
> ~[classes/:?]
> ... 30 more
> {code}
> I adapted the {{TopSpeedWindowing}} example slightly (see
> [gist|https://gist.github.com/XComp/8a2bae96c7d9312427ed71cbee5370c2]) and
> executed it from within the IDE with the [attached input
> data|https://issues.apache.org/jira/secure/attachment/13062371/data.txt.gz].
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