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Posted to issues@flink.apache.org by "Zhe Wang (Jira)" <ji...@apache.org> on 2026/05/20 07:14:00 UTC

[jira] [Commented] (FLINK-39034) fullWindowPartition + sortStream + STREAMING causes timestamps to be set to null

    [ https://issues.apache.org/jira/browse/FLINK-39034?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18082230#comment-18082230 ] 

Zhe Wang commented on FLINK-39034:
----------------------------------

I've submitted a PR for this issue: [https://github.com/apache/flink/pull/28210]

Please review.

> fullWindowPartition + sortStream + STREAMING causes timestamps to be set to null
> --------------------------------------------------------------------------------
>
>                 Key: FLINK-39034
>                 URL: https://issues.apache.org/jira/browse/FLINK-39034
>             Project: Flink
>          Issue Type: Bug
>          Components: API / DataStream
>    Affects Versions: 2.2.0
>         Environment: Flink 2.2.0 with MiniCluster
>            Reporter: Grzegorz Liter
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: BugTest.java
>
>
> When using fullWindowPartition + sortStream in STREAMING mode with bounded input streams the assigned timestamps after sorting are set to null causing NPEs downstream.
> I am attaching test class with examples



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