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https://issues.apache.org/jira/browse/WINK-433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arjan Seijkens updated WINK-433:
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Patch Info: Patch Available
> wink-providers not registered when running apache wink in OSGi bundle on j2EE
> environment
> -----------------------------------------------------------------------------------------
>
> Key: WINK-433
> URL: https://issues.apache.org/jira/browse/WINK-433
> Project: Wink
> Issue Type: Bug
> Components: Common
> Affects Versions: 1.4
> Environment: Windows 7, WebSphere Application Server 8.5.5.5
> Reporter: Arjan Seijkens
> Attachments: ClassUtils.patch
>
>
> I have a WebSphere Application Server 8.5.5.5 on which I deploy my
> application which contains an OSGi bundle which contains the wink-server and
> wink-common libraries.
> When starting the application (and the bundle) all default
> MessageBodyReaderProviders and MessageBodyWriterProviders as listed in the
> wink-providers file, which are part of the wink-common.jar are registered.
> All classes in that file are loaded by the
> org.apache.wink.common.internal.utils.ClassUtils#loadClass(String) method and
> then checked to see if they represent a Provider, by checking if they are
> annotated with the javax.ws.rs.ext.Provider class. All these classes are part
> of the webmanager-jaxrssupport-bundle and available on its own contained
> class-loader.
> This causes problems in WebSphere, because both the javax.ws.rs.ext.Provider
> class and the classes listed in the wink-providers file are also available on
> the thread context class-loader and the
> org.apache.wink.common.internal.utils.ClassUtils#loadClass(String) method
> first checks that class-loader when loading classes.
> As a result the loaded class will be annotated with a
> javax.ws.rs.ext.Provider class from the thread context class-loader and the
> logic which checks if it is annotated check against a
> javax.ws.rs.ext.Provider class from the current classloader
> (webmanager-jaxrssupport-bundle's own contained class-loader) and thus
> doesn't recognize the class as a Provider class and doesn't register it.
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