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https://issues.apache.org/jira/browse/SPARK-42173?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17680409#comment-17680409
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Apache Spark commented on SPARK-42173:
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User 'holdenk' has created a pull request for this issue:
https://github.com/apache/spark/pull/39728
> IPv6 address mapping can fail with sparse addresses
> ---------------------------------------------------
>
> Key: SPARK-42173
> URL: https://issues.apache.org/jira/browse/SPARK-42173
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 3.4.0
> Environment: I've only observed this on Kube but it might be able to
> happen on YARN since the mapping is in core.
> Reporter: Holden Karau
> Assignee: Holden Karau
> Priority: Major
>
> e.g. the `addressToExecutorId` ends up storing `2602:fcb1::1337:12` but when
> it comes time to handle the `onDisconnect` all of the implicit zeros are
> expanded out.
>
>
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