[jira] [Created] (FLINK-27128) Broadcast stream Iteration closeWith failed starting version 1.12.2

["Jeff Hu (Jira)" <ji...@apache.org>]

Jeff Hu created FLINK-27128:
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             Summary: Broadcast stream Iteration closeWith failed starting version 1.12.2
                 Key: FLINK-27128
                 URL: https://issues.apache.org/jira/browse/FLINK-27128
             Project: Flink
          Issue Type: Bug
          Components: API / Core
    Affects Versions: 1.14.4, 1.12.2
            Reporter: Jeff Hu


The following error on version later than 1.12.2:
"Cannot close an iteration with a feedback DataStream that does not originate from said iteration."

There might be a bug with AbstractBroadcastStateTransformation.java.
possible fix:
predecessor.addAll(regularInput.getTransitivePredecessors());

https://github.com/apache/flink/blob/master/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/transformations/AbstractBroadcastStateTransformation.java#L95



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