[jira] [Resolved] (SPARK-25142) Add error messages when Python worker could not open socket in `_load_from_socket`.

["Hyukjin Kwon (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-25142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-25142.
----------------------------------
       Resolution: Fixed
    Fix Version/s: 2.4.0

Issue resolved by pull request 22132
[https://github.com/apache/spark/pull/22132]

> Add error messages when Python worker could not open socket in `_load_from_socket`.
> -----------------------------------------------------------------------------------
>
>                 Key: SPARK-25142
>                 URL: https://issues.apache.org/jira/browse/SPARK-25142
>             Project: Spark
>          Issue Type: Improvement
>          Components: PySpark
>    Affects Versions: 2.3.1
>            Reporter: Takuya Ueshin
>            Assignee: Takuya Ueshin
>            Priority: Major
>             Fix For: 2.4.0
>
>
> Sometimes Python worker can't open socket in {{_load_from_socket}} for some reason, but it's difficult to figure out the reason because the exception doesn't even contain the messages from {{socket.error}}s.
> We should at least add the error messages when raising the exception.



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