[jira] [Commented] (HIVE-4566) NullPointerException if typeinfo and nativesql commands are executed at beeline before a DB connection is established

["Ashutosh Chauhan (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-4566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13673785#comment-13673785 ] 

Ashutosh Chauhan commented on HIVE-4566:
----------------------------------------

As in original description, I like the idea of printing "No current connection" in such scenarios but I don't think current patch prints it. Can you modify your test to make sure that indeed gets printed?
                
> NullPointerException if typeinfo and nativesql commands are executed at beeline before a DB connection is established
> ---------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-4566
>                 URL: https://issues.apache.org/jira/browse/HIVE-4566
>             Project: Hive
>          Issue Type: Bug
>          Components: CLI
>    Affects Versions: 0.11.0
>            Reporter: Xuefu Zhang
>            Assignee: Xuefu Zhang
>         Attachments: HIVE-4566.patch
>
>
> Before a DB connection is established, executing a command such as typeinfo and nativesql results an NPE shown at the console:
> beeline> !typeinfo
> java.lang.NullPointerException
> beeline> !nativesql
> java.lang.NullPointerException
> Instead, a message, such as "No current connection" should be given, as in case of some other commands, such as dropall.

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