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https://issues.apache.org/jira/browse/WW-5173?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17553175#comment-17553175
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James Chaplin commented on WW-5173:
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Hi [~yasserzamani] . Thanks for taking a look.
When I added code similar to the above to a test application, where I attempted
multiple different ways to register a custom {{ExpressionCacheFactory}} , the
result was always null (neither the custom bean, nor the default bean were
returned).
Prior to that, using interactive debugging of the same test application, at the
{{OgnlUtil}} construction the injected parameters were always null. More
recently, I noticed that only the default (no-parameter) constructor appears to
be being called, which accounts for the null parameters.
Based on the above, either I am not configuring the extension correctly, or the
extension point is not working as intended.
> Implement additional OGNL cache configuration controls
> ------------------------------------------------------
>
> Key: WW-5173
> URL: https://issues.apache.org/jira/browse/WW-5173
> Project: Struts 2
> Issue Type: Improvement
> Components: Core
> Affects Versions: 6.0.0
> Reporter: James Chaplin
> Priority: Minor
>
> With Struts 2.6, there may be an opportunity to introduce some additional
> OGNL cache configuration capabilities. One idea is to provide an cache size
> control, and a toggle for an LRU cache mode. These configuration controls
> could be applied to the expression cache and BeanInfo caches independently.
> The new properties could be optional, with the framework using a standard
> default cache if the properties are not provided.
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