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https://issues.apache.org/jira/browse/FELIX-1203?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sahoo closed FELIX-1203.
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> NPE in fileinstall if a watched bundle is uninstalled by some other means
> -------------------------------------------------------------------------
>
> Key: FELIX-1203
> URL: https://issues.apache.org/jira/browse/FELIX-1203
> Project: Felix
> Issue Type: Bug
> Components: File Install
> Affects Versions: fileinstall-1.0.0
> Environment: generic
> Reporter: Sahoo
> Assignee: Richard S. Hall
> Fix For: fileinstall-1.2.0
>
> Attachments: FELIX-1203.txt
>
>
> test1.jar is part of watched dir /tmp/autodeploy-bundles/. I accidentally
> uninstalled test1.jar bundle using the Shell command. Next time, when I
> actually removed the file from the directory, fileinstall failed with the
> following NPE:
> Jun 7, 2009 11:23:52 PM
> INFO: Failed to uninstall bundle: /tmp/autodeploy-bundles/test1.jar:
> java.lang.NullPointerException
> Jun 7, 2009 11:23:52 PM
> INFO: java.lang.NullPointerException
> Jun 7, 2009 11:23:52 PM
> INFO: at
> org.apache.felix.fileinstall.DirectoryWatcher.uninstall(DirectoryWatcher.java:717)
> Jun 7, 2009 11:23:52 PM
> INFO: at
> org.apache.felix.fileinstall.DirectoryWatcher.uninstall(DirectoryWatcher.java:611)
> Jun 7, 2009 11:23:52 PM
> INFO: at
> org.apache.felix.fileinstall.DirectoryWatcher.doInstalled(DirectoryWatcher.java:350)
> Jun 7, 2009 11:23:52 PM
> INFO: at
> org.apache.felix.fileinstall.DirectoryWatcher.run(DirectoryWatcher.java:122)
> I think it is OK to get the NPE, as user is expected to uninstall the bundle
> by removing the file unlike what I did in this case. But I am not sure. So, I
> am filing this bug to share my experience. The fix is pretty simple; we need
> to log the fact that the bundle has been uninstalled by some other means and
> add a null check in the code.
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