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https://issues.apache.org/jira/browse/FELIX-5630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15993876#comment-15993876
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Pierre De Rop commented on FELIX-5630:
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Added test case for this issue in revision 1793591.
The same kind of problem also happens when you use a required BundleDependency:
when you restart the component and if the dependency bundle is unavailable,
then a NullObject bundle is auto-injected.
> NullObject is created for a required dependency if the component is removed
> and added again to the dependency manager
> ---------------------------------------------------------------------------------------------------------------------
>
> Key: FELIX-5630
> URL: https://issues.apache.org/jira/browse/FELIX-5630
> Project: Felix
> Issue Type: Bug
> Components: Dependency Manager
> Affects Versions: org.apache.felix.dependencymanager-r9
> Reporter: Jeroen Daanen
> Assignee: Pierre De Rop
> Priority: Minor
> Attachments: Activator.java
>
>
> I have a component A with a required dependency to B and C.
> I add A, B and C to the dependency manager.
> Then I remove A and B.
> Finally I only add A again. Now the exception "Could not create null object
> for class com.example.Activator$B is thrown". See the attached Activator.
> I did not expect that a NullObject is ever created for a required dependency.
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