[jira] [Updated] (HIVE-21507) Hive swallows NPE if no delegation token found

["Denes Bodo (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-21507?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Denes Bodo updated HIVE-21507:
------------------------------
    Attachment: HIVE-21507-001.patch

> Hive swallows NPE if no delegation token found
> ----------------------------------------------
>
>                 Key: HIVE-21507
>                 URL: https://issues.apache.org/jira/browse/HIVE-21507
>             Project: Hive
>          Issue Type: Bug
>          Components: JDBC
>    Affects Versions: 3.1.1
>            Reporter: Denes Bodo
>            Assignee: Denes Bodo
>            Priority: Critical
>              Labels: usability
>         Attachments: HIVE-21507-001.patch
>
>
> In case if there is no delegation token put into token file, this [line|https://github.com/apache/hive/blob/master/jdbc/src/java/org/apache/hive/jdbc/HiveConnection.java#L777] will cause a NullPointerException which is not handled and the user is not notified in any way.
> To cause NPE the use case is to have an Oozie Sqoop import to Hive in a kerberized cluster. Oozie puts the delegation token into the token file with id: *HIVE_DELEGATION_TOKEN_hiveserver2ClientToken*. So with id *hive* it is not working. However, fallback code uses the key which Oozie provides [this|https://github.com/apache/hive/blob/master/jdbc/src/java/org/apache/hive/jdbc/HiveConnection.java#L784] way.
> I suggest to have warning message to user that key with id *hive* cannot be used and falling back to get delegation token from the session.
> I am creating the patch.



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