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https://issues.apache.org/jira/browse/GEODE-8530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17203026#comment-17203026
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ASF GitHub Bot commented on GEODE-8530:
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jvarenina commented on pull request #656:
URL: https://github.com/apache/geode-native/pull/656#issuecomment-699804258
Thanks for the review!
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> 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
> Labels: pull-request-available
>
> 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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