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https://issues.apache.org/jira/browse/FLINK-23536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ingo Bürk updated FLINK-23536:
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Component/s: API / Core
> Documentation of DeserializationSchema#deserialize is incorrect
> ---------------------------------------------------------------
>
> Key: FLINK-23536
> URL: https://issues.apache.org/jira/browse/FLINK-23536
> Project: Flink
> Issue Type: Bug
> Components: API / Core, Documentation
> Affects Versions: 1.14.0
> Reporter: Ingo Bürk
> Priority: Minor
>
> The documentation of DeserializationSchema#deserialize states:
> {quote}@return The deserialized message as an object (null if the message
> cannot be deserialized).
> {quote}
> However, some, if not most, implementations seem to actually throw an
> exception instead. We should clarify whether implementors can / should throw
> or return null "by default", and either way update the documentation.
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