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  1. Beam
  2. BEAM-4255

GloballyAsSingletonView is writing multiple values to the SingletonView

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Details

    • Bug
    • Status: Resolved
    • P3
    • Resolution: Fixed
    • 2.4.0
    • 3.0.0
    • sdk-java-core

    Description

      The code snippet below is writing multiple values to the sideInput. Resulting in exception: "PCollection with more than one element accessed as a singleton view."

      PCollectionView<Integer> globalView = input
      .apply(Window.<Integer>into(new GlobalWindows())
          .triggering(Repeatedly.forever(AfterPane.elementCountAtLeast(1)))
          .accumulatingFiredPanes())
      .apply(Sum.integersGlobally().asSingletonView())

       

       

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              Unassigned Unassigned
              huygaa Batkhuyag Batsaikhan
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