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From "Ioannis Canellos (JIRA)" <j...@apache.org>
Subject [jira] Commented: (KARAF-464) JAAS service configuration tracker does not unregister services or respond to service updates
Date Wed, 16 Feb 2011 21:32:24 GMT

    [ https://issues.apache.org/jira/browse/KARAF-464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12995530#comment-12995530
] 

Ioannis Canellos commented on KARAF-464:
----------------------------------------

I tried to reproduce the problem on trunk, by updating the bundle " Apache Karaf :: JAAS"
which contains the karaf jaas realm. As a result I noticed that to the unregister method the
actual object is passed and no proxy of it. So the object was succesfully removed from the
list and I couldn't reproduce this.

Did I lost something ? Could you please let us know on which version of karaf you had this
issue? 


> JAAS service configuration tracker does not unregister services or respond to service
updates
> ---------------------------------------------------------------------------------------------
>
>                 Key: KARAF-464
>                 URL: https://issues.apache.org/jira/browse/KARAF-464
>             Project: Karaf
>          Issue Type: Bug
>          Components: runtime
>            Reporter: Kurt Westerfeld
>
> The class org.apache.karaf.jaas.config.impl.OsgiConfiguration contains a java.util.List<JaasRealm>
which is intended to track jaas realms added via blueprint via it's register/unregister pair
using the whiteboard pattern.  This list is not mutated properly during unregister, since
the list is not keyed by name or other id, and the passed in value during remove is a proxy.
 Thus, after doing an "update" on a bundle that contains a jaas configuration, the list grows
by one, but contains a stale service reference.
> When this occurs, a subsequent call to getAppConfigurationEntry() causes a runtime exception,
"org.osgi.service.blueprint.container.ServiceUnavailableException".  No jaas-based authentication
can happen after this.

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