[jira] [Commented] (HAWQ-1722) Core dump due to lock is not released before reporting errors when exceeding MaxAORelSegFileStatus

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

    [ https://issues.apache.org/jira/browse/HAWQ-1722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16853879#comment-16853879 ] 

ASF GitHub Bot commented on HAWQ-1722:
--------------------------------------

huor commented on pull request #1454: HAWQ-1722. Fix core dump due to lock is not released before reporting errors when exceeding MaxAORelSegFileStatus
URL: https://github.com/apache/hawq/pull/1454
 
 
   
 
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> Core dump due to lock is not released before reporting errors when exceeding MaxAORelSegFileStatus
> --------------------------------------------------------------------------------------------------
>
>                 Key: HAWQ-1722
>                 URL: https://issues.apache.org/jira/browse/HAWQ-1722
>             Project: Apache HAWQ
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.4.0.0
>            Reporter: Ruilong Huo
>            Assignee: Ruilong Huo
>            Priority: Major
>
> since the lock is not released before reporting errors, it will leads to panic during transaction abort since the lock will be acquired again. A RWLock is acquired twice in one process will leads to panic.
> There are two occurrences of this bug in this function, one for AO, one for parquet.
> {code:c}
> 			if (id == NEXT_END_OF_LIST)
> 			{
> 				pfree(allfsinfoParquet);
> 				ereport(ERROR, (errmsg("cannot open more than %d "
> 				      "append-only table segment "
> 				      "files cocurrently",
> 				      MaxAORelSegFileStatus)));
> 				return false;
> 			}
> {code}



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