Valentyn Tymofieiev created BEAM-4446:
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             Summary: Provide a better experience when a user accidentally 
misspells a pipeline option
                 Key: BEAM-4446
                 URL: https://issues.apache.org/jira/browse/BEAM-4446
             Project: Beam
          Issue Type: Improvement
          Components: sdk-py-core
            Reporter: Valentyn Tymofieiev
            Assignee: Ahmet Altay


It seems that if a user misspells a pipeline option, the pipeline starts 
running without any signal to the user. It would be better to show a warning or 
stop the execution.

This may be a relevant place to do a check

[https://github.com/apache/beam/blob/287e3e2918b60042411bddbd15864db8d6fac441/sdks/python/apache_beam/options/pipeline_options.py#L212]

Although it seems that this codepath is not exercised with the direct runner. 

 



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