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Posted to issues@karaf.apache.org by "Stuart McCulloch (JIRA)" <ji...@apache.org> on 2015/07/20 17:39:05 UTC
[jira] [Comment Edited] (KARAF-3864) Warning when shutting down
system with karaf-cellar installed
[ https://issues.apache.org/jira/browse/KARAF-3864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14633703#comment-14633703 ]
Stuart McCulloch edited comment on KARAF-3864 at 7/20/15 3:39 PM:
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Suggested patch which swaps things round so that it checks if we're in a shutdown situation before going on to check "isEnabled". Also available as PR: https://github.com/apache/karaf-cellar/pull/11
was (Author: mcculls):
Suggested patch which swaps things round so that it checks if we're in a shutdown situation before going on to check "isEnabled".
> Warning when shutting down system with karaf-cellar installed
> -------------------------------------------------------------
>
> Key: KARAF-3864
> URL: https://issues.apache.org/jira/browse/KARAF-3864
> Project: Karaf
> Issue Type: Bug
> Components: cellar-bundle
> Reporter: Stuart McCulloch
> Attachments: KARAF-3864-swap-checks.patch
>
>
> We're experimenting with karaf-cellar 3.0.3 on top of karaf 3.0.4 and get the following warning if the system is forcibly stopped:
> {code}
> 2015-07-20 16:19:03,397+0100 WARN [FelixShutdown] org.apache.karaf.cellar.bundle.LocalBundleListener - CELLAR BUNDLE: can't check listener configuration
> org.osgi.service.blueprint.container.ServiceUnavailableException: The Blueprint container is being or has been destroyed: (objectClass=org.osgi.service.cm.ConfigurationAdmin)
> at org.apache.aries.blueprint.container.ReferenceRecipe.getService(ReferenceRecipe.java:240) [org.apache.aries.blueprint.core:1.4.3]
> at org.apache.aries.blueprint.container.ReferenceRecipe.access$000(ReferenceRecipe.java:55) [org.apache.aries.blueprint.core:1.4.3]
> at org.apache.aries.blueprint.container.ReferenceRecipe$ServiceDispatcher.call(ReferenceRecipe.java:298) [org.apache.aries.blueprint.core:1.4.3]
> at Proxy90cff4fa_9fee_4d56_85e6_c006a413befa.getConfiguration(Unknown Source) [na:na]
> at org.apache.karaf.cellar.bundle.LocalBundleListener.isEnabled(LocalBundleListener.java:150) [org.apache.karaf.cellar.bundle:3.0.4.SNAPSHOT]
> at org.apache.karaf.cellar.bundle.LocalBundleListener.bundleChanged(LocalBundleListener.java:51) [org.apache.karaf.cellar.bundle:3.0.4.SNAPSHOT]
> at org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:868) [org.apache.felix.framework-4.2.1.jar:na]
> at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:789) [org.apache.felix.framework-4.2.1.jar:na]
> at org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:514) [org.apache.felix.framework-4.2.1.jar:na]
> at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4403) [org.apache.felix.framework-4.2.1.jar:na]
> at org.apache.felix.framework.Felix.stopBundle(Felix.java:2520) [org.apache.felix.framework-4.2.1.jar:na]
> at org.apache.felix.framework.Felix$2.run(Felix.java:959) [org.apache.felix.framework-4.2.1.jar:na]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_80]
> {code}
> Looking at the LocalBundleListener code it checks if the listener is enabled before going on to check whether the system is shutting down. However the "isEnabled" check uses the blueprint-injected ConfigurationAdmin service which is not available during shutdown. Swapping these checks round fixes the issue.
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