[jira] [Updated] (TEZ-2911) Null location Strings can cause problems with GroupedSplit serialization

["Siddharth Seth (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TEZ-2911?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Siddharth Seth updated TEZ-2911:
--------------------------------
    Attachment: TEZ-2911.2.txt

Updated patch. Please re-review.

> Null location Strings can cause problems with GroupedSplit serialization
> ------------------------------------------------------------------------
>
>                 Key: TEZ-2911
>                 URL: https://issues.apache.org/jira/browse/TEZ-2911
>             Project: Apache Tez
>          Issue Type: Bug
>    Affects Versions: 0.5.0
>            Reporter: Siddharth Seth
>            Assignee: Siddharth Seth
>         Attachments: TEZ-2911.1.txt, TEZ-2911.2.txt
>
>
> If the location is a non-null array, and one of the elements is null, and the GroupedSplit is the same as the raw split - the groupedSplit throws an NPE during serialization.
> This isn't necessarily a bug - since the original split location should not be null. However, there's parts of the code which ignore such null locations (and there's a test for this), while others don't. This should be done consistently.



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