[jira] [Updated] (SPARK-3031) Create JsonSerializable and move JSON serialization from JsonProtocol into each class

["Reynold Xin (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-3031?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Reynold Xin updated SPARK-3031:
-------------------------------

    Component/s: Spark Core

> Create JsonSerializable and move JSON serialization from JsonProtocol into each class
> -------------------------------------------------------------------------------------
>
>                 Key: SPARK-3031
>                 URL: https://issues.apache.org/jira/browse/SPARK-3031
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>            Reporter: Reynold Xin
>
> It is really, really weird that we have a single file JsonProtocol that handles the JSON serialization/deserialization for a bunch of classes. This is very error prone because it is easy to add a new field to a class, and forget to update the JSON part of it. Or worse, add a new event class and forget to add one, as evidenced by https://issues.apache.org/jira/browse/SPARK-3028



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