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Posted to issues@karaf.apache.org by "Jean-Baptiste Onofré (Jira)" <ji...@apache.org> on 2020/10/08 13:17:00 UTC
[jira] [Assigned] (KARAF-6792) Memory leak when restarting bundle
with service bound to a command
[ https://issues.apache.org/jira/browse/KARAF-6792?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jean-Baptiste Onofré reassigned KARAF-6792:
-------------------------------------------
Assignee: (was: Jean-Baptiste Onofré)
> Memory leak when restarting bundle with service bound to a command
> ------------------------------------------------------------------
>
> Key: KARAF-6792
> URL: https://issues.apache.org/jira/browse/KARAF-6792
> Project: Karaf
> Issue Type: Bug
> Components: karaf
> Affects Versions: 4.2.8
> Environment: Karaf 4.2.8
> openjdk 11.0.7 2020-04-14
> Reporter: ggirard07
> Priority: Major
> Attachments: image-2020-07-17-11-21-21-301.png, image-2020-07-17-11-23-00-615.png
>
>
> Code to reproduce the issue available at [https://github.com/ggirard07/karaf-command-service-leak]
> When restarting a bundle containing a command with a bound service with @Reference annotation, the previous service instance is being leaked because the command instance keep the object alive.
> Trying to reproduce the issue might take multiple restarts as the reproduction sample seems to be leaking at a frequency of 2/3 based on my testing.
> *Steps to reproduce*
> # Install the bundle built from reproduction sample
> # Inspect MyServiceImpl instances in VisualVM
> # Restart the bundle with bundle:restart bundleId
> # Inspect MyServiceImpl instances in VisualVM
> *Expected result*
> A single instance of the MyServiceImpl singleton exist at all time.
> *Actual result*
> The old MyServiceImpl instance is leaked and 2 instances of the service singleton coexists.
> !image-2020-07-17-11-23-00-615.png!
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