Till Rohrmann created FLINK-3088:
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Summary: WritableSerializer cannot copy writable object
Key: FLINK-3088
URL: https://issues.apache.org/jira/browse/FLINK-3088
Project: Flink
Issue Type: Bug
Components: Core
Affects Versions: 1.0.0, 0.10.1
Reporter: Till Rohrmann
Assignee: Till Rohrmann
The {{WritableSerializer}}, {{ValueSerializer}}, {{AvroSerializer}},
{{WritableComparator}} and {{ValueComparator}} use plain {{Kryo}} instances to
copy the objects. In cases where {{Kryo}} fails to copy the object, e.g.
missing no-arg constructor, the serializer and comparator instances fail even
though the objects are serializable.
As a fallback strategy I propose to copy the objects by serializing and
deserializing them.
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