Hi Lasse,

If there's a significant difference in the system time between Flink
TaskManagers, it can lead to negative time calculations when comparing
timestamps from different sources.

On Mon, May 6, 2024 at 5:40 AM Lasse Nedergaard <
lassenedergaardfl...@gmail.com> wrote:

> Hi.
>
> In Flink jobs running 1.18 I see the error below sometimes. I Can see the
> same problem has been reported and fixed I 1.14
> Anyone have an idea how to debug and/or work around this problem?
>
> java.lang.IllegalArgumentException: Time should be non negative
>
>                 at
> org.apache.flink.util.Preconditions.checkArgument(Preconditions.java:138)
> ~[flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.runtime.throughput.ThroughputCalculator.calculateThroughput(ThroughputCalculator.java:80)
> ~[flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.runtime.throughput.ThroughputCalculator.calculateThroughput(ThroughputCalculator.java:71)
> ~[flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.triggerDebloating(SingleInputGate.java:450)
> ~[flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.runtime.taskmanager.InputGateWithMetrics.triggerDebloating(InputGateWithMetrics.java:90)
> ~[flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.streaming.runtime.tasks.StreamTask.debloat(StreamTask.java:843)
> ~[flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$null$5(StreamTask.java:834)
> ~[flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.runThrowing(StreamTaskActionExecutor.java:50)
> ~[flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.streaming.runtime.tasks.mailbox.Mail.run(Mail.java:90)
> ~[flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMail(MailboxProcessor.java:398)
> ~[flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.processMailsWhenDefaultActionUnavailable(MailboxProcessor.java:367)
> ~[flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.processMail(MailboxProcessor.java:352)
> ~[flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:229)
> ~[flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:858)
> ~[flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:807)
> ~[flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:953)
> ~[flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:932)
> [flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:746)
> [flink-dist-1.18.0.jar:1.18.0]
>
>                 at
> org.apache.flink.runtime.taskmanager.Task.run(Task.java:562)
> [flink-dist-1.18.0.jar:1.18.0]
>
>                 at java.lang.Thread.run(Unknown Source) [?:?]
>
>
> Med venlig hilsen / Best regards
> Lasse Nedergaard
>
>

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