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From "Felix Meschberger (JIRA)" <j...@apache.org>
Subject [jira] Created: (FELIX-2091) AbstractComponentManager.getBundle() may throw NullPointerException
Date Wed, 17 Feb 2010 14:43:29 GMT
AbstractComponentManager.getBundle() may throw NullPointerException

                 Key: FELIX-2091
                 URL: https://issues.apache.org/jira/browse/FELIX-2091
             Project: Felix
          Issue Type: Bug
          Components: Declarative Services (SCR)
    Affects Versions:  scr-1.4.0
            Reporter: Felix Meschberger
            Assignee: Felix Meschberger
             Fix For:  scr-1.4.2

The AbstractComponentManager.getBundle() method may throw NullPointerException if called after
the component has been disposed off. This may cause nasty log messages in the ComponentActorThread:

12.02.2010 19:08:56.913 *ERROR* [SCR Component Actor] org.apache.felix.scr Unexpected problem
executing task Activate Component: org.apache.sling.engine.impl.SlingMainServlet (17) (java.lang.NullPointerException)
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.getBundle(AbstractComponentManager.java:201)
	at org.apache.felix.scr.impl.ComponentActivatorTask.run(ComponentActivatorTask.java:60)
	at org.apache.felix.scr.impl.ComponentActorThread.run(ComponentActorThread.java:96)
	at java.lang.Thread.run(Unknown Source)

The check whether a component activation task should be executed should include the possibility
that the component has been disposed off and the bundle is null.

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