Tzu-Li (Gordon) Tai created FLINK-11772:
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Summary: InternalTimerServiceSerializationProxy should not be
serializing timers' key / namespace serializers anymore
Key: FLINK-11772
URL: https://issues.apache.org/jira/browse/FLINK-11772
Project: Flink
Issue Type: Bug
Components: DataStream API
Reporter: Tzu-Li (Gordon) Tai
Assignee: Tzu-Li (Gordon) Tai
Fix For: 1.8.0
All of the changes done to managed state surrounding how we no longer
Java-serialize serializers anymore and only write the serializer snapshot, as
well as how serialization compatibility checks should go through the new
{{TypeSerializerSnapshot}} / {{TypeSerializerSchemaCompatibility}} interfaces,
was not reflected to timers.
This was mainly due to the fact that timers were not handled by state backends
(and were therefore not managed state) in the past, and were handled in an
isolated manner by the {{InternalTimerServiceSerializationProxy}}.
The {{InternalTimerServiceSerializationProxy}} therefore needs to be updated
accordingly.
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