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https://issues.apache.org/jira/browse/BEAM-14421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17536236#comment-17536236
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Yichi Zhang commented on BEAM-14421:
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The issue seems to be that dataflow service needs a FNAPI_BATCH or 
FNAPI_STREAMING job type when turn on the runner v2, but service side doesn't 
change the job type from 'STREAMING' or 'JAVA_BATCH_AUTOSCALING' 
([https://github.com/apache/beam/blob/356dcc81832a1046458f7d86e3f2924eb7a883ca/runners/google-cloud-dataflow-java/src/main/java/org/apache/beam/runners/dataflow/DataflowRunner.java#L1471)]
 to FNAPI job type when seeing –dataflowServiceOptions=use_runner_v2

> --dataflowServiceOptions=use_runner_v2 is broken
> ------------------------------------------------
>
>                 Key: BEAM-14421
>                 URL: https://issues.apache.org/jira/browse/BEAM-14421
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-dataflow, sdk-java-core
>    Affects Versions: 2.38.0
>            Reporter: Robert Bradshaw
>            Priority: P1
>
> Per [https://lists.apache.org/list.html?u...@beam.apache.org] passing 
> `–dataflowServiceOptions=use_runner_v2` alone triggers pipeline errors. This 
> is surprising as it should be an alias for experiments, and furthermore no 
> action should be required on the SDK side to produce a runner v2 compatible 
> graph.



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