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Posted to issues@spark.apache.org by "Kaishen Ou (JIRA)" <ji...@apache.org> on 2019/01/20 08:34:00 UTC

[jira] [Created] (SPARK-26669) Spark-Core Inbox Message Lost

Kaishen Ou created SPARK-26669:
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             Summary: Spark-Core Inbox Message Lost
                 Key: SPARK-26669
                 URL: https://issues.apache.org/jira/browse/SPARK-26669
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 2.4.0
            Reporter: Kaishen Ou


In Inbox.scala source code, line 158

message = messages.poll()

This line of code will retrieve and remove the first message if there is any. When it is not null, this message will get lost and never be executed.

Am I missing any important knowledge? Hope anyone help to clarify this. 



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