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https://issues.apache.org/jira/browse/FLINK-14910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16984574#comment-16984574
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Chesnay Schepler commented on FLINK-14910:
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[~sjwiesman] [~dwysakowicz] Looks like some special cases were not accounted
for in FLINK-11653?
> disableAutoGeneratedUIDs fails on keyBy
> ---------------------------------------
>
> Key: FLINK-14910
> URL: https://issues.apache.org/jira/browse/FLINK-14910
> Project: Flink
> Issue Type: Bug
> Reporter: William Cheng
> Priority: Major
>
> There doesn't seem to be a way to add a UID to the Partition operator created
> by KeyBy, causing `disableAutoGeneratedUIDs` to fail.
>
> Here's a simple test case that will reproduce the issue:
> {noformat}
> @Test
> public void testFailedUID() throws Exception {
> StreamExecutionEnvironment env =
> StreamExecutionEnvironment.getExecutionEnvironment();
> env.getConfig().disableAutoGeneratedUIDs();
> DataStream<String> data = env.fromCollection(Arrays.asList("1", "2",
> "3")).uid("source-uid");
> data.keyBy(i -> i)
> .map(i -> i).uid("map-uid");
> env.execute();
> }{noformat}
> {noformat}
> testFailedUID(twitch.creatoranalytics.sessions.StreamingJobTest) Time
> elapsed: 0.008 sec <<< ERROR!
> java.lang.IllegalStateException: Auto generated UIDs have been disabled but
> no UID or hash has been assigned to operator Partition
> {noformat}
>
> This passes if the keyBy is removed.
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