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https://issues.apache.org/jira/browse/OFBIZ-4341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13114609#comment-13114609
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Dimitri Unruh commented on OFBIZ-4341:
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Martin,
I know what you mean :)
So, it could be dangarous to change the Delegator.getFromPrimaryKeyCache() (for
custom modifications), but anyway in my opinion the current implementation is
wrong.
If _GenericValue.NULL_VALUE_ is in the cacht, i will get it...
> GenericDelegator.findOne cache not working for not-found values (cached
> not-found treated like cache miss)
> ----------------------------------------------------------------------------------------------------------
>
> Key: OFBIZ-4341
> URL: https://issues.apache.org/jira/browse/OFBIZ-4341
> Project: OFBiz
> Issue Type: Bug
> Components: framework
> Affects Versions: SVN trunk
> Reporter: Martin Kreidenweis
> Assignee: Jacques Le Roux
> Attachments: OFBIZ-4341-findOne-cache-fix.patch, OFBIZ-4341.patch
>
>
> {{GenericDelegator.findOne}} doesn't handle the cache consistently.
> When it doesn't find anything, it puts {{GenericValue.NULL_VALUE}} in the
> cache. When trying to read from the cache it uses the
> {{getFromPrimaryKeyCache}} method, which returns null when
> {{GenericValue.NULL_VALUE}} was stored in the cache, just like for cache
> misses. So a not-found value in the cache is treated like a cache miss and
> the cache isn't actually used.
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