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https://issues.apache.org/jira/browse/FLINK-27890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17550160#comment-17550160
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CodeRap commented on FLINK-27890:
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Bug introduced by FLINK-19317 [~aljoscha]
It assigns the TimestampsAndWatermarks but not uses the return result for the
next step
Please assign this ticket to me cc [~aljoscha]
> bug of SideOutputExample.java
> -----------------------------
>
> Key: FLINK-27890
> URL: https://issues.apache.org/jira/browse/FLINK-27890
> Project: Flink
> Issue Type: Bug
> Components: Examples
> Affects Versions: 1.15.0
> Environment: # flink version 1.15
> # jdk 1.8
> # scala 2.12
> Reporter: XiaoWen Wei
> Priority: Major
>
> The bug appears on line 87 of
> flink-examples/flink-examples-streaming/src/main/java/org/apache/flink/streaming/examples/sideoutput/SideOutputExample.java：
> {code:java}
> text.assignTimestampsAndWatermarks(IngestionTimeWatermarkStrategy.create());
> {code}
> This line forgets to set the return value, so the timestamp is not assigned
> to the element in {_}text{_}. As a result, running this code throws an error.
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