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Posted to issues@geode.apache.org by "Jakov Varenina (Jira)" <ji...@apache.org> on 2020/09/24 14:30:00 UTC

[jira] [Assigned] (GEODE-8530) Native client crash indicating coredump

     [ https://issues.apache.org/jira/browse/GEODE-8530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jakov Varenina reassigned GEODE-8530:
-------------------------------------

    Assignee: Jakov Varenina

> Native client crash indicating coredump
> ---------------------------------------
>
>                 Key: GEODE-8530
>                 URL: https://issues.apache.org/jira/browse/GEODE-8530
>             Project: Geode
>          Issue Type: Bug
>          Components: native client
>            Reporter: Jakov Varenina
>            Assignee: Jakov Varenina
>            Priority: Major
>
> Faulty scenario:
> 1. Client initiates transaction.
>  2. Client put entry in region1 that has CacheWriter configured
>  3. Server CacheWriter receives a notification for region1, and triggers put operation to region2 which is not defined on client.
>  4. client commit transaction
> When client commit transaction it then get region2 enlisted in transaction, which is not defined on client and therefore coredump happens.
> This scenario works for java client. Java client only ignores region that aren't defined on client:
> {code:java}
>  private boolean hookupRegion(DistributionManager dm) {
>       this.internalRegion = getRegionByPath(dm, regionPath);
>       if (this.internalRegion == null && this.parentRegionPath != null) {
>         this.internalRegion = getRegionByPath(dm, this.parentRegionPath);
>         this.regionPath = this.parentRegionPath;
>       }
>       if (this.internalRegion == null && dm.getSystem().isLoner()) {
>         // If there are additional regions that the server enlisted in the tx,
>         // which the client does not have, the client can just ignore the region
>         // see bug 51922
>         return false;
>       }
>       return true;
>     }
> {code}



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