Ingo Bürk created FLINK-23536:
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Summary: Documentation of DeserializationSchema#deserialize is
incorrect
Key: FLINK-23536
URL: https://issues.apache.org/jira/browse/FLINK-23536
Project: Flink
Issue Type: Bug
Components: Documentation
Affects Versions: 1.14.0
Reporter: Ingo Bürk
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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