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Posted to issues@flink.apache.org by "Tzu-Li (Gordon) Tai (JIRA)" <ji...@apache.org> on 2017/06/06 08:29:18 UTC
[jira] [Created] (FLINK-6853) Migrating from Flink 1.1 fails for
FlinkCEP
Tzu-Li (Gordon) Tai created FLINK-6853:
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Summary: Migrating from Flink 1.1 fails for FlinkCEP
Key: FLINK-6853
URL: https://issues.apache.org/jira/browse/FLINK-6853
Project: Flink
Issue Type: Bug
Components: CEP
Affects Versions: 1.3.0
Reporter: Tzu-Li (Gordon) Tai
Assignee: Tzu-Li (Gordon) Tai
Migrating from Flink 1.1 fails for CEP, since in 1.1, the legacy {{MultiplexingStreamRecordSerializer}} is used for stream elements in the serialized priority queue (via the {{PriorityQueueSerializer}}).
In newer versions, the {{StreamElementSerializer}} is used instead. For this to work, we need to implement the compatibility methods for {{StreamElementSerializer}} such that it is also compatible with configuration snapshots taken from the {{MultiplexingStreamRecordSerializer}}.
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