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https://issues.apache.org/jira/browse/BEAM-2753?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eugene Kirpichov updated BEAM-2753:
-----------------------------------
Fix Version/s: 2.2.0
> File DynamicDestinations side inputs don't work with sharding
> -------------------------------------------------------------
>
> Key: BEAM-2753
> URL: https://issues.apache.org/jira/browse/BEAM-2753
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Reporter: Eugene Kirpichov
> Assignee: Reuven Lax
> Fix For: 2.2.0
>
>
> WriteWithShardingFactory uses PTransformReplacements.getSingletonMaininput
> https://github.com/apache/beam/blob/master/runners/direct-java/src/main/java/org/apache/beam/runners/direct/WriteWithShardingFactory.java#L74
> However if the dynamic destinations have a side input, then the transform has
> more than 1 input and the function fails:
> Exception in thread "main" java.lang.IllegalArgumentException: Got multiple
> inputs that are not additional inputs for a singleton main input: Avro schema
> side input/ParMultiDo(Anonymous).out0 [PCollection] and Run read all/Execute
> queries/ParMultiDo(NaiveSpannerRead).out0 [PCollection]
> at
> org.apache.beam.runners.direct.repackaged.runners.core.construction.java.repackaged.com.google.common.base.Preconditions.checkArgument(Preconditions.java:383)
> at
> org.apache.beam.runners.direct.repackaged.runners.core.construction.PTransformReplacements.getSingletonMainInput(PTransformReplacements.java:50)
> at
> org.apache.beam.runners.direct.repackaged.runners.core.construction.PTransformReplacements.getSingletonMainInput(PTransformReplacements.java:41)
> at
> org.apache.beam.runners.direct.WriteWithShardingFactory.getReplacementTransform(WriteWithShardingFactory.java:74)
> at org.apache.beam.sdk.Pipeline.applyReplacement(Pipeline.java:540)
> at org.apache.beam.sdk.Pipeline.replace(Pipeline.java:280)
> at org.apache.beam.sdk.Pipeline.replaceAll(Pipeline.java:201)
> at
> org.apache.beam.runners.direct.DirectRunner.run(DirectRunner.java:169)
> at org.apache.beam.runners.direct.DirectRunner.run(DirectRunner.java:62)
> at org.apache.beam.sdk.Pipeline.run(Pipeline.java:303)
> at org.apache.beam.sdk.Pipeline.run(Pipeline.java:289)
> This is not caught by unit tests because unit tests specify withoutSharding().
> https://github.com/apache/beam/blob/master/sdks/java/core/src/test/java/org/apache/beam/sdk/io/AvroIOTest.java#L644
> CC: [~mkhadikov]
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