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Posted to issues@calcite.apache.org by "Parth Chandra (JIRA)" <ji...@apache.org> on 2015/03/09 23:31:38 UTC

[jira] [Updated] (CALCITE-612) Avatica framework throws NPE if ResultSet.getNext is called after the query is canceled

     [ https://issues.apache.org/jira/browse/CALCITE-612?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Parth Chandra updated CALCITE-612:
----------------------------------
    Attachment: CALCITE-612.patch.diff

Attaching patch to check if cursor is null before it is accessed

> Avatica framework throws NPE if ResultSet.getNext is called after the query is canceled
> ---------------------------------------------------------------------------------------
>
>                 Key: CALCITE-612
>                 URL: https://issues.apache.org/jira/browse/CALCITE-612
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Parth Chandra
>            Assignee: Julian Hyde
>         Attachments: CALCITE-612.patch.diff
>
>
> Once the application cancels a query, the cursor corresponding to the result set is set back to null and any attempt to get the results results in a NPE.
> AvaticaStatement:internalExecute and AvaticaResultSet:next  should check the state of the cursor and return false.



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