Stephen Sisk created BEAM-1639:
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Summary: Catch bad FractionConsumed values in the beam SDK.
Key: BEAM-1639
URL: https://issues.apache.org/jira/browse/BEAM-1639
Project: Beam
Issue Type: Bug
Components: sdk-java-core
Reporter: Stephen Sisk
Assignee: Davor Bonaci
Priority: Minor
getFractionConsumed in Sources are expected to return values between 0.0 and 1.0
I recently encountered a bug where a bad value of fractionConsumed was sent to
a runner. Looking through the beam source, I couldn't find anywhere that we
validate the value before we send it (it could be there and I didn't see it,
but given that I saw this error with a real source, I don't believe it is.)
I think it'd be useful if the beam SDK caught this error at the time the value
is returned and at least generate a useful error in the logs (thus allowing the
user to more easily debug the issue)
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