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Posted to commits@tomee.apache.org by "Jonathan Gallimore (Assigned) (JIRA)" <ji...@apache.org> on 2012/04/02 21:21:22 UTC
[jira] [Assigned] (TOMEE-143) JAXB Performance boost via saving
generated accessors
[ https://issues.apache.org/jira/browse/TOMEE-143?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Gallimore reassigned TOMEE-143:
----------------------------------------
Assignee: Jonathan Gallimore
> JAXB Performance boost via saving generated accessors
> -----------------------------------------------------
>
> Key: TOMEE-143
> URL: https://issues.apache.org/jira/browse/TOMEE-143
> Project: TomEE
> Issue Type: Improvement
> Reporter: David Blevins
> Assignee: Jonathan Gallimore
>
> The JAXB RI itself will use reflection to generate accessor classes. We use JAXB for reading all descriptors. The result is a below 1 second startup is impossible unless JAXB can be optimized:
> This call alone takes over 1 second:
> JAXBContextFactory.newInstance(
> Application.class,
> ApplicationClient.class,
> Beans.class,
> Connector.class,
> EjbJar.class,
> FacesConfig.class,
> HandlerChains.class,
> JavaWsdlMapping.class,
> Persistence.class,
> TldTaglib.class,
> WebApp.class,
> WebFragment.class,
> Webservices.class,
> ValidationConfigType.class,
> EntityMappings.class,
> OpenejbJar.class,
> org.apache.openejb.jee.jpa.unit.Persistence.class,
> PersistenceFragment.class
> );
> Simply saving the generated JAXB classes maybe be the way to avoid this reflection overhead.
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