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https://issues.apache.org/jira/browse/BEAM-13682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17511124#comment-17511124
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Adrià Arcarons commented on BEAM-13682:
---------------------------------------
This looks like an issue on the Dataflow runner side. There is already an issue
in Google's PIT: [https://issuetracker.google.com/issues/216497508]
IMO there is nothing that the Beam community can do at this point. Closing the
issue.
> Pipeline fails to start when .withDynamicRead() is activated
> ------------------------------------------------------------
>
> Key: BEAM-13682
> URL: https://issues.apache.org/jira/browse/BEAM-13682
> Project: Beam
> Issue Type: Bug
> Components: io-java-gcp
> Affects Versions: 2.34.0, 2.35.0
> Reporter: Adrià Arcarons
> Priority: P2
> Labels: stale-P2
> Attachments: Main.java
>
>
> We have a {+}Java{+}, {+}streaming{+}, pipeline that consumes messages from
> Kafka and ingests them into BigQuery. We run this pipeline in Dataflow.
> Recently, we enabled the `.withDynamicRead()` option in our KafkaIO source to
> be able to auto-discover new partitions.
> As a result, the pipeline won't load in Dataflow with the following (not very
> informative) error:
> {noformat}
> "Workflow failed. Causes: Internal Issue (fc4aaa0289f1f666): 62242584:26".
> {noformat}
> This error happens before the actual job graph can be generated.
> Google Support provided us with an internal Dataflow log message that can
> help to narrow the problem:
> {noformat}
> "invalid_argument: Duplicate side input name. Side input names must be
> unique."
> {noformat}
> Some important pieces of information:
> * The error only happens if the destination sink is BigQueryIO. We have
> tested it by replacing BigQueryIO with TextIO and it works OK.
> * The error doesn't happen if pipeline is run by DirectRunner; only
> DataflowRunner.
> * We have reproduced this error in Beam SDK versions 2.34 and 2.35.
>
> I've written a small pipeline that reproduces the error. Please find it
> attached in the ticket [^Main.java].
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