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zlzhang0122 edited comment on FLINK-27608 at 5/16/22 12:01 PM: --------------------------------------------------------------- [~Thesharing] Thanks for your detailed reply! I think the scenario you have mentioned is very useful and is one of the scenarios. The case I have met is another scenario, in that case, the akka message maybe miss or timeout, and I have upload [^exception.txt] to describe it. Correct me if I'm wrong. Thanks! was (Author: zlzhang0122): [~Thesharing] Thanks for your detailed reply! I think the scenario you have mentioned is very useful and is one of the scenarios. The case I have met is another scenario, in that case, the akka message maybe miss or timeout, and I have upload [^exception.txt] about that to describe it.Correct me if I'm wrong. Thanks! > Flink may throw PartitionNotFound Exception if the downstream task reached > Running state earlier than it's upstream task > ------------------------------------------------------------------------------------------------------------------------ > > Key: FLINK-27608 > URL: https://issues.apache.org/jira/browse/FLINK-27608 > Project: Flink > Issue Type: Bug > Components: Runtime / Network > Affects Versions: 1.14.2 > Reporter: zlzhang0122 > Priority: Major > Attachments: exception.txt > > > Flink streaming job deployment may throw PartitionNotFound Exception if the > downstream task reached Running state earlier than its upstream task and > after maximum backoff for partition requests passed.But the config of > taskmanager.network.request-backoff.max is not eay to decide. Can we use a > loop awaiting the upstream task partition be ready? > -- This message was sent by Atlassian Jira (v8.20.7#820007)