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https://issues.apache.org/jira/browse/IGNITE-8625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16629917#comment-16629917
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Vladimir Ozerov commented on IGNITE-8625:
-----------------------------------------
[~ivan.glukos], [~astelmak], moving the ticket to AI 2.8 as there is no
activity.
> Dynamic SQL index recreate after cache clear may result in AssertionError or
> JVM crash
> --------------------------------------------------------------------------------------
>
> Key: IGNITE-8625
> URL: https://issues.apache.org/jira/browse/IGNITE-8625
> Project: Ignite
> Issue Type: Bug
> Components: persistence, sql
> Reporter: Ivan Rakov
> Assignee: Alexey Stelmak
> Priority: Critical
> Labels: MakeTeamcityGreenAgain, sql-stability
> Fix For: 2.8
>
> Attachments: dyn_idx_reproducer.patch
>
>
> After recreation of previously dropped SQL index (in persistent mode), root
> page of new index B+ tree may contain links to data entries from previous
> index tree. If these entries were removed or relocated to another data page,
> attempt to dereference these links may throw AssertionError or even cause JVM
> crash.
> Patch with reproducer is attached.
> P.S. Please note that with IGNITE-4958 fix old invalid links may refer to
> non-data page - it might have been recycled into page with any other type.
> Such case will cause AssertionError on page read lock attempt. Rolling back
> IGNITE-4958 may help with debugging.
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