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https://issues.apache.org/jira/browse/FLINK-20459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jark Wu closed FLINK-20459.
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Resolution: Duplicate
Let's fix this in FLINK-20321.
> Handle null message correctly in JSON RowData deserializer
> ----------------------------------------------------------
>
> Key: FLINK-20459
> URL: https://issues.apache.org/jira/browse/FLINK-20459
> Project: Flink
> Issue Type: Bug
> Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile)
> Reporter: Qingsheng Ren
> Priority: Major
>
> Currently if the input message of the `deserialize()` method is null and the
> deserializer is not ignoring parse errors, `new String(message)` in the
> exception part will lead to an NPE.
>
> A possible solution is returning null directly if the input message is null,
> but I'm not sure if this is a correct behavior since a null message can be
> treated as a "corrupted" message which cannot be deserialized as JSON and
> should lead to an exception.
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