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Posted to issues@ignite.apache.org by "Kirill Gusakov (Jira)" <ji...@apache.org> on 2023/07/07 14:00:00 UTC

[jira] [Updated] (IGNITE-19905) Race between stable assignments application and table removal

     [ https://issues.apache.org/jira/browse/IGNITE-19905?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kirill Gusakov updated IGNITE-19905:
------------------------------------
    Description: 
*Motivation*
It is possible that handleChangeStableAssignmentEvent() gets an event such that for the corresponding revision the table is already removed, so an NPE happens when trying to destroy a partition storage (at the moment it handled by workaround IGNITE-19906).

*Definition of done*
- The logic about partition raft group and storage cleanup is not event executed, if the table is not exist already.

*Implementation notes*
- We must check if table still exists at the current revision firstly and only then execute the cleanup logic 

  was:It is possible that handleChangeStableAssignmentEvent() gets an event such that for the corresponding revision the table is already removed, so an NPE happens when trying to destroy a partition storage.


> Race between stable assignments application and table removal
> -------------------------------------------------------------
>
>                 Key: IGNITE-19905
>                 URL: https://issues.apache.org/jira/browse/IGNITE-19905
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Roman Puchkovskiy
>            Assignee: Kirill Gusakov
>            Priority: Major
>              Labels: ignite-3
>             Fix For: 3.0.0-beta2
>
>
> *Motivation*
> It is possible that handleChangeStableAssignmentEvent() gets an event such that for the corresponding revision the table is already removed, so an NPE happens when trying to destroy a partition storage (at the moment it handled by workaround IGNITE-19906).
> *Definition of done*
> - The logic about partition raft group and storage cleanup is not event executed, if the table is not exist already.
> *Implementation notes*
> - We must check if table still exists at the current revision firstly and only then execute the cleanup logic 



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