[jira] [Closed] (FLINK-20459) Handle null message correctly in JSON RowData deserializer

["Jark Wu (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-20459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jark Wu closed FLINK-20459.
---------------------------
    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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