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Posted to dev@flink.apache.org by "Daniel Bosnic Hill (Jira)" <ji...@apache.org> on 2021/12/14 01:02:00 UTC

[jira] [Created] (FLINK-25285) CoGroupedStreams has inner Maps without easy ways to set uid

Daniel Bosnic Hill created FLINK-25285:
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             Summary: CoGroupedStreams has inner Maps without easy ways to set uid
                 Key: FLINK-25285
                 URL: https://issues.apache.org/jira/browse/FLINK-25285
             Project: Flink
          Issue Type: Bug
          Components: API / Core
    Affects Versions: 1.14.0
            Reporter: Daniel Bosnic Hill


I tried to use CoGroupedStreams w/ disableAutoGeneratedUIDs.  CoGroupedStreams creates two map operators without the ability to set uids on them.  These appear as "Map" in my operator graph.  I noticed that the CoGroupedStreams.apply function has two map calls without setting uids.  If I try to run with disableAutoGeneratedUIDs, I get the following error "java.lang.IllegalStateException: Auto generated UIDs have been disabled but no UID or hash has been assigned to operator Map".

From Flink user group email thread "CoGroupedStreams and disableAutoGeneratedUIDs".

https://github.com/apache/flink/blob/release-1.14/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/datastream/CoGroupedStreams.java#L379



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