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https://issues.apache.org/jira/browse/FELIX-5686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16211304#comment-16211304
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Guillaume Nodet commented on FELIX-5686:
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Note that i just found FELIX-5722 which will make things a bit more difficult
to handle.
> NPE in ConfigInstaller on ConfigDelete
> --------------------------------------
>
> Key: FELIX-5686
> URL: https://issues.apache.org/jira/browse/FELIX-5686
> Project: Felix
> Issue Type: Bug
> Affects Versions: fileinstall-3.6.0
> Reporter: Brandan Jeter
> Assignee: Guillaume Nodet
> Fix For: fileinstall-3.6.4
>
>
> The ConfigInstaller is handling a Config Delete Event now, but it always
> throws a NullPointException which crowds up the logs.
> On delete, the ConfigInstaller tries to get the corresponding Configuration
> object:
> https://github.com/apache/felix/blob/trunk/fileinstall/src/main/java/org/apache/felix/fileinstall/internal/ConfigInstaller.java#L176
> It's never going to get the Configuration object because it was just deleted.
> So the getConfiguration call creates a new one with null as the properties.
> Then on line 180 there is a NullPointerException.
> Unfortunately, the fix for this will require changing the
> ConfigurationListener API so that the ConfigurationEvent either has the whole
> Dictionary of configuration properties or at least the felix.file.install
> property, if it exists.
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