[jira] [Work logged] (IMPALA-14778) SIGSEGV when canceling iceberg tables

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-14778?focusedWorklogId=1020564&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-1020564 ]

ASF GitHub Bot logged work on IMPALA-14778:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 15/May/26 22:48
            Start Date: 15/May/26 22:48
    Worklog Time Spent: 10m 
      Work Description: MikaelSmith closed pull request #86: IMPALA-14778: Guard IcebergMetadataScanNode::Close() against null met…
URL: https://github.com/apache/impala/pull/86




Issue Time Tracking
-------------------

    Worklog Id:     (was: 1020564)
    Time Spent: 0.5h  (was: 20m)

> SIGSEGV when canceling iceberg tables
> -------------------------------------
>
>                 Key: IMPALA-14778
>                 URL: https://issues.apache.org/jira/browse/IMPALA-14778
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Backend
>    Affects Versions: Impala 4.5.0
>            Reporter: Khaliullin Aidar
>            Priority: Major
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> Be crashes when canceling a select query to iceberg tables. Thread crashed on IcebergMetadataScanner::Close.
> For example generate some data like
> {code:java}
> create table ice_from_1 (i int) stored as iceberg;
> insert into ice_from_1 values (1);
> . . .
> create table ice_from_100 (i int) stored as iceberg;
> insert into ice_from_100 values (1);{code}
> cancel query after 3-5sec
> {code:java}
> select count as cnt, 'text' as text from ice_from_1.files union all
> select count as cnt, 'text' as text from ice_from_2.files union all
> ...
> select count as cnt, 'text' as text from ice_from_100.files; {code}



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