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Posted to dev@flink.apache.org by "Stefan Richter (JIRA)" <ji...@apache.org> on 2018/11/09 11:54:00 UTC
[jira] [Created] (FLINK-10839) Fix implementation of
PojoSerializer.duplicate() w.r.t. subclass serializer
Stefan Richter created FLINK-10839:
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Summary: Fix implementation of PojoSerializer.duplicate() w.r.t. subclass serializer
Key: FLINK-10839
URL: https://issues.apache.org/jira/browse/FLINK-10839
Project: Flink
Issue Type: Bug
Components: Type Serialization System
Reporter: Stefan Richter
Assignee: Stefan Richter
Fix For: 1.6.3, 1.7.0
The implementation of {{PojoSerializer.duplicate()}} currently ignores that subclassSerializerCache is a shared resource. We must always return a new instance of the serializer, even if all the nested field serializers are not stateful or else concurrency problems might occur if we have cached subclass serializers.
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