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https://issues.apache.org/jira/browse/FLINK-19065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17683749#comment-17683749
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Harshit Mittal edited comment on FLINK-19065 at 2/10/23 12:08 AM:
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We recently run into this issue and I realize that I have an easy fix that'd
also satisfy the uniqueness/consistency constraint. I'm going to take a stab at
it.
was (Author: hmittal83):
We recently run into this issue and I realize that I have an easy fix that'd
also satisfy the uniqueness constraint.
> java.lang.IllegalStateException: Auto generated UIDs have been disabled on
> join
> -------------------------------------------------------------------------------
>
> Key: FLINK-19065
> URL: https://issues.apache.org/jira/browse/FLINK-19065
> Project: Flink
> Issue Type: Bug
> Components: API / DataStream
> Affects Versions: 1.11.0, 1.11.1
> Reporter: Maris
> Priority: Not a Priority
> Labels: auto-deprioritized-major, auto-deprioritized-minor
>
> Join operation with AutoGeneratedUID disabled leads to
> {code:java}
> java.lang.IllegalStateException: Auto generated UIDs have been disabled but
> no UID or hash has been assigned to operator Map
> {code}
> code to reproduce
> {code:java}
> class JoinSpec extends AnyFlatSpec with Matchers with Serializable {
> it should "be able to join streams" in {
> val env = StreamExecutionEnvironment.getExecutionEnvironment
> env.getConfig.disableAutoGeneratedUIDs()
> val a = env.fromCollection(List("1", "2",
> "3")).name("a").uid("source-uid")
> val b = env.fromCollection(List("1", "2",
> "3")).name("b").uid("source-uid2")
> val c = a
> .join(b)
> .where(identity)
> .equalTo(identity)
> .window(TumblingProcessingTimeWindows.of(Time.seconds(30)))((a, b) =>
> a+b)
> .uid("joined").name("joined")
> c.addSink(s => println(s))
> .name("ab")
> .uid("ab")
> println(env.getExecutionPlan)
> env.execute
> succeed
> }
> }
> {code}
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