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From Martin Kočí (JIRA) <j...@apache.org>
Subject [jira] Updated: (GERONIMO-5657) Use cached ExpressionFactory in CompositeELResolver
Date Tue, 19 Oct 2010 20:19:36 GMT

     [ https://issues.apache.org/jira/browse/GERONIMO-5657?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Martin Kočí updated GERONIMO-5657:
----------------------------------

    Attachment: GERONIMO-5657.patch

suggested patch; also removes unused expressionFactory field.

> Use cached ExpressionFactory in CompositeELResolver
> ---------------------------------------------------
>
>                 Key: GERONIMO-5657
>                 URL: https://issues.apache.org/jira/browse/GERONIMO-5657
>             Project: Geronimo
>          Issue Type: Improvement
>      Security Level: public(Regular issues) 
>          Components: web
>         Environment: geronimo specs/trunk/geronimo-el_2.2_spec 
>            Reporter: Martin Kočí
>            Priority: Minor
>         Attachments: GERONIMO-5657.patch
>
>
> CompositeELResolver in 'invoke' method uses ELUtils.getCachedExpressionFactory() if available
but few lines later it calls ExpressionFactory.newInstance() again. This call causes unwanted
performance degradation: see http://markmail.org/message/mcxe3zq4mtyo73qg for details.

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