[jira] [Assigned] (FLINK-6857) Add global default Kryo serializer configuration to StreamExecutionEnvironment

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

     [ https://issues.apache.org/jira/browse/FLINK-6857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

mingleizhang reassigned FLINK-6857:
-----------------------------------

    Assignee: mingleizhang

> Add global default Kryo serializer configuration to StreamExecutionEnvironment
> ------------------------------------------------------------------------------
>
>                 Key: FLINK-6857
>                 URL: https://issues.apache.org/jira/browse/FLINK-6857
>             Project: Flink
>          Issue Type: Improvement
>          Components: Configuration, Type Serialization System
>            Reporter: Tzu-Li (Gordon) Tai
>            Assignee: mingleizhang
>
> See ML for original discussion: http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/KryoException-Encountered-unregistered-class-ID-td13476.html.
> We should have an additional {{setDefaultKryoSerializer}} method that allows overriding the global default serializer that is not tied to specific classes (out-of-the-box Kryo uses the {{FieldSerializer}} if no matches for default serializer settings can be found for a class). Internally in Flink's {{KryoSerializer}}, this would only be a matter of proxying that configured global default serializer for Kryo by calling {{Kryo.setDefaultSerializer(...)}} on the created Kryo instance.



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