Posted by
Nicolas Malin (Jira) on
Sep 26, 2011; 11:47am
URL: http://ofbiz.116.s1.nabble.com/jira-Created-OFBIZ-4341-GenericDelegator-findOne-cache-not-working-for-not-found-values-cached-not-f-tp3672398p3843491.html
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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 ]
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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