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https://issues.apache.org/jira/browse/BEAM-741?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15566259#comment-15566259
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Andrew Martin commented on BEAM-741:
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I found this issue when using the Direct Runner for a test, which does dynamic
re-sharding as part of the Write transform. It does a GroupByKey -> Values ->
Flatten, and Flatten failed because it did not have an 'IterableLikeCoder' as
the input coder, which should be the case after calling Values form a GBK.
> Values transform does not use the correct output coder when values is an
> Iterable<T>
> ------------------------------------------------------------------------------------
>
> Key: BEAM-741
> URL: https://issues.apache.org/jira/browse/BEAM-741
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Reporter: Andrew Martin
> Assignee: Davor Bonaci
>
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