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https://issues.apache.org/jira/browse/FLINK-6857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16060515#comment-16060515
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ASF GitHub Bot commented on FLINK-6857:
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Github user tzulitai commented on the issue:
https://github.com/apache/flink/pull/4166
@zhangminglei this does not solve the issue.
The expected fix is to pass the new setting to `ExecutionConfig`, which
will then be used when creating a `KryoSerializer` (see `GenericTypeInfo`). The
`KryoSerializer` needs to respect this setting and appropriately configure the
`kryo` instance when instantiating it.
> 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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