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Posted to issues@hive.apache.org by "mahesh kumar behera (JIRA)" <ji...@apache.org> on 2019/06/07 04:53:00 UTC

[jira] [Assigned] (HIVE-21844) HMS schema Upgrade Script is failing with NPE

     [ https://issues.apache.org/jira/browse/HIVE-21844?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

mahesh kumar behera reassigned HIVE-21844:
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> HMS schema Upgrade Script is failing with NPE
> ---------------------------------------------
>
>                 Key: HIVE-21844
>                 URL: https://issues.apache.org/jira/browse/HIVE-21844
>             Project: Hive
>          Issue Type: Task
>          Components: HiveServer2
>    Affects Versions: 4.0.0
>            Reporter: mahesh kumar behera
>            Assignee: mahesh kumar behera
>            Priority: Major
>             Fix For: 4.0.0
>
>
> schema upgrade tool is failing with NPE while executing "SELECT 'Upgrading MetaStore schema from 1.2.0 to 2.0.0' AS ' '". The header row (metadata) is coming with rows having value null. This is causing null pointer access in function TableOutputFormat::getOutputString when row.values[i] is accessed. Instead of " AS ' ' ", if some other value  like "AS dummy" is given, it's working fine.
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