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error message for partitionByKey makaes debugging a bit difficult #5468

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snallapa opened this issue Sep 3, 2024 · 1 comment
Open

error message for partitionByKey makaes debugging a bit difficult #5468

snallapa opened this issue Sep 3, 2024 · 1 comment

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@snallapa
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snallapa commented Sep 3, 2024

when using partitionByKey if the pipeline encounters a key that is not in the input set. Right now you get:

org.apache.beam.sdk.util.UserCodeException: java.lang.IndexOutOfBoundsException: Partition function returned out of bounds index: -1 not in [0..2)

It would be great if the key that was not in the input set was printed, maybe even alongside the input set like keyset: [], missing key: []
@kellen
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kellen commented Sep 3, 2024

For specifically partitionByKey we are providing the partition function so should be able to capture the key not found when index is returned as -1

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@kellen @snallapa