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[Bug]: FlinkRunner: KafkaIO emits MAX_WATEMARK #30050

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je-ik opened this issue Jan 19, 2024 · 4 comments · Fixed by #30066
Closed
1 of 16 tasks

[Bug]: FlinkRunner: KafkaIO emits MAX_WATEMARK #30050

je-ik opened this issue Jan 19, 2024 · 4 comments · Fixed by #30066
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bug flink P1
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2.54.0 Release

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@je-ik
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je-ik commented Jan 19, 2024 •
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What happened?

When reading data from Kafka with legacy Read, MAX_WATERMARK is emitted when the source is not completed.

Issue Priority

Priority: 3 (minor)

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@je-ik je-ik self-assigned this Jan 19, 2024
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je-ik commented Jan 19, 2024

Probably related to #29563.

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je-ik commented Jan 19, 2024

Probably related to #29563.

Reverting the commit seems not to resolve the issue.

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Abacn commented Jan 19, 2024 •
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Could this be related to #29902 or would integrating #29993 resolve the issue?

@Abacn Abacn removed the P3 label Jan 19, 2024
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je-ik commented Jan 20, 2024

I don't think it relates. This bug manifests on Beam 2.53.0, Beam 2.52.0 seems to work fine.

@je-ik je-ik mentioned this issue Jan 22, 2024
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je-ik added a commit to je-ik/beam that referenced this issue Jan 22, 2024
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[flink] Fix watermark generation for empty UnboundedSource (apache#30050
5865037 
)
@github-actions github-actions bot added this to the 2.54.0 Release milestone Jan 23, 2024
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[flink] Fix watermark generation for empty UnboundedSource je-ik/beam
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