Avoid ServiceLoader lookup during OpenWebBeansInitializer
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Key: GERONIMO-6114
URL: https://issues.apache.org/jira/browse/GERONIMO-6114
Project: Geronimo
Issue Type: Sub-task
Security Level: public (Regular issues)
Affects Versions: 3.0
Reporter: Kevan Miller
Fix For: 3.0
OpenWebBeans initialization can represent a major portion of a Geronimo
server's startup time. I've seen it take nearly 1/4 of a server's startup time.
Nearly all of this time is caused because OpenWebBeans is using
ServiceLoader.load().
A search of wired bundles shouldn't be necessary (and we should avoid, if
possible). We should be able to replace OpenWebBeans
DefaultImplementationLoaderService with our own LoaderService implementation.
This LoaderService implementation could in turn avoid the use of XBean's
BundleClassLoader (BundleClassLoader.getResource() is what drives the
getWiredBundle() processing).
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