Github user fhueske commented on the issue: https://github.com/apache/flink/pull/2303 I still think that methods should be named after what they do (and there is nothing numeric about their behavior) and not in which context they are supposed to be called. The error messages are numeric due to the original context of the code which has been moved into separate methods. That context is no longer present in these methods. Anyway, I don't want to start a bikeshedding discussion about the names of internal utility methods and stop at this point ;-)
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