[jira] [Created] (FLINK-5044) Converting operator and function state from Flink 1.1 for all changed operators in 1.2

[Shang Yuanchun (Jira)]

Stefan Richter created FLINK-5044:
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             Summary: Converting operator and function state from Flink 1.1 for all changed operators in 1.2
                 Key: FLINK-5044
                 URL: https://issues.apache.org/jira/browse/FLINK-5044
             Project: Flink
          Issue Type: Sub-task
          Components: Streaming, Windowing Operators
    Affects Versions: 1.2.0
            Reporter: Stefan Richter


Snapshot/restore mechanics for operators changed significantly between Flink 1.1 and Flink 1.2. Furthermore, operators and their hierarchy also changed. We need to ensure that old operators can still restore state from their old version.

In particular, WindowOperator and KafkaConsumer are currently affected by this.



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