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https://issues.apache.org/jira/browse/IMPALA-14778?focusedWorklogId=1007223&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-1007223
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ASF GitHub Bot logged work on IMPALA-14778:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 25/Feb/26 20:10
Start Date: 25/Feb/26 20:10
Worklog Time Spent: 10m
Work Description: vrodin opened a new pull request, #86:
URL: https://github.com/apache/impala/pull/86
Add a null check before invoking metadata_scanner_->Close(state) in
IcebergMetadataScanNode::Close() to prevent potential dereference of a null
pointer when the scanner is not initialized.
Issue Time Tracking
-------------------
Worklog Id: (was: 1007223)
Remaining Estimate: 0h
Time Spent: 10m
> 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: 10m
> 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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