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https://issues.apache.org/jira/browse/BEAM-5253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16609612#comment-16609612
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Henning Rohde commented on BEAM-5253:
-------------------------------------
Looking at the PR: https://github.com/apache/beam/pull/6357
This is curious. beam.RegisterFunction is optional (to avoid hitting the symbol
table at runtime) and the example works for me when run with:
$ [...]/src/github.com/apache/beam/sdks/go
$ go run examples/streaming_wordcap/wordcap.go --runner=dataflow [...]
While the fix is not wrong, something else is going on -- probably how the
binary is cross-compiled. It seems doing a separate "go build" is causing
trouble. The instructions on beam.apache.org does a "go install" for comparison.
> Go SDK PubSub example currently broken
> --------------------------------------
>
> Key: BEAM-5253
> URL: https://issues.apache.org/jira/browse/BEAM-5253
> Project: Beam
> Issue Type: Bug
> Components: sdk-go
> Reporter: Sean Patrick Hagen
> Assignee: Henning Rohde
> Priority: Critical
> Fix For: Not applicable
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The Go SDK contains an example for creating a streaming pipeline that reads
> from pubsub and outputs the messages. It can be found here:
> [https://github.com/apache/beam/blob/master/sdks/go/examples/streaming_wordcap/wordcap.go]
>
> This example is broken and does not work. It fails with the error "failed to
> execute job: translation failed: no root units" when I try to run it with the
> direct runner, and it just fails with "Internal Issue (8ed815a0a259018f):
> 65177287:8503 " when run in Google Dataflow.
>
>
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