Github user RalphSu commented on the issue: https://github.com/apache/flink/pull/6103 okey... I encounter issue when submit jobs, stack as below, looks the same with this one. Is this a regression, or are we thinking the fix will break existing code? org.apache.flink.runtime.io.network.partition.PartitionNotFoundException: Partition 1d986178ce506d4e3e71c4f6f61439b7@36897daa4a60b37dcae0973ba48a868b not found. at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.failPartitionRequest(RemoteInputChannel.java:270) at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.retriggerSubpartitionRequest(RemoteInputChannel.java:172) at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.retriggerPartitionRequest(SingleInputGate.java:392) at org.apache.flink.runtime.taskmanager.Task.onPartitionStateUpdate(Task.java:1300) at org.apache.flink.runtime.taskmanager.Task.lambda$triggerPartitionProducerStateCheck$0(Task.java:1139) at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760) at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:39) at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:415) 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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