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https://issues.apache.org/jira/browse/BEAM-1642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Daniel Halperin closed BEAM-1642.
---------------------------------
Resolution: Fixed
> Combine transformation evaluation fails on direct runner with Avro as a
> fallback coder
> --------------------------------------------------------------------------------------
>
> Key: BEAM-1642
> URL: https://issues.apache.org/jira/browse/BEAM-1642
> Project: Beam
> Issue Type: Bug
> Components: runner-direct
> Affects Versions: 0.4.0, 0.5.0, 0.6.0
> Reporter: Sathya Hariesh
> Assignee: Robert Bradshaw
> Priority: Trivial
> Fix For: First stable release
>
>
> This does not happen in 0.3.0. Would probably need to investigate the root
> cause.
> Steps to reproduce:
> public class WordCount {
> public static void main(String[] args) {
> DirectOptions directPipelineOptions =
> PipelineOptionsFactory.as(DirectOptions.class);
> directPipelineOptions.setRunner(DirectRunner.class);
> Pipeline pipeline = Pipeline.create(directPipelineOptions);
>
> pipeline.getCoderRegistry().setFallbackCoderProvider(AvroCoder.PROVIDER);
> pipeline.apply(Create.of(Arrays.asList(100,
> 200))).apply(Count.globally());
> pipeline.run().waitUntilFinish();
> }
> }
> Stack trace:
> Exception in thread "main" java.lang.ClassCastException: java.lang.Object
> cannot be cast to java.lang.Iterable
> at
> org.apache.beam.runners.direct.ViewEvaluatorFactory$1.processElement(ViewEvaluatorFactory.java:81)
> at
> org.apache.beam.runners.direct.TransformExecutor.processElements(TransformExecutor.java:139)
> at
> org.apache.beam.runners.direct.TransformExecutor.run(TransformExecutor.java:107)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
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