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https://issues.apache.org/jira/browse/GEODE-8964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17290525#comment-17290525
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ASF GitHub Bot commented on GEODE-8964:
---------------------------------------
luissson opened a new pull request #6053:
URL: https://github.com/apache/geode/pull/6053
…e incorrect data to cache (#6046)
- Modifies TXCommitMessage.firePendingCallbacks to check if an Entry
Event is an Update with a null value, if so callbacks are invoked using
an AFTER_CREATE and not AFTER_UPDATE. This handles a situation that
can occur when a transactional create with null value is interrupted by a
GII on the
same key, resulting in a AFTER_UPDATE event being distributed instead of a
AFTER_CREATE.
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> Entry created via putIfAbsent with null value can write incorrect data to
> cache
> -------------------------------------------------------------------------------
>
> Key: GEODE-8964
> URL: https://issues.apache.org/jira/browse/GEODE-8964
> Project: Geode
> Issue Type: Bug
> Components: client/server
> Affects Versions: 1.10.0, 1.14.0
> Reporter: Louis R. Jacome
> Assignee: Louis R. Jacome
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.15.0
>
>
> In backwards compatibility testing, an error was seen wherein a putIfAbsent
> with a null value was being processed by a server but interrupted by a GII
> with the same key. The operation was subsequently enqueued in the client's HA
> Region Queue as an update with a null value rather than a create with a null
> value -- a path that's not supported -- resulting in erroneous data sometimes
> being written to the client cache.
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