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https://issues.apache.org/jira/browse/JOHNZON-161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16391879#comment-16391879
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Romain Manni-Bucau commented on JOHNZON-161:
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Hmm, spec requires to close it normally otherwise close shouldnt even exist.
Rational is that garbage collection has not the right lifecycle to call close
since it can happen after app undeployment.
There is a property to skip CDI and this is what should be used for this kind
of usage.
> JohnzonCDIExtension might create a mem leak
> -------------------------------------------
>
> Key: JOHNZON-161
> URL: https://issues.apache.org/jira/browse/JOHNZON-161
> Project: Johnzon
> Issue Type: Task
> Components: JSON-B
> Affects Versions: 1.1.7
> Reporter: Mark Struberg
> Priority: Major
> Fix For: 1.1.8
>
>
> We use Json-B quite heavily and I experienced that there are tons of elements
> in org.apache.johnzon.jsonb.cdi.JohnzonCdiExtension#jsonbs.
> Way too much for my gut feeling.
> The reason is that we do not use JsonBuilder as autocloseable is that it is
> not required by the spec.
>
> There is also not much documentation for JohnzonCdiExtension, so I can only
> guess that it is for cleanly shutting down unused JsonbBuilder instances when
> the app stops.
> We should probably only store WeakReferences.
>
> I think the safest
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