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From "dian hina (Jira)" <j...@apache.org>
Subject [jira] [Updated] (FOP-1906) Memory leak / Invalid PageViewports stored in IDTracker
Date Sat, 26 Jun 2021 20:29:02 GMT

     [ https://issues.apache.org/jira/browse/FOP-1906?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

dian hina updated FOP-1906:
---------------------------

oke finish

> Memory leak / Invalid PageViewports stored in IDTracker
> -------------------------------------------------------
>
>                 Key: FOP-1906
>                 URL: https://issues.apache.org/jira/browse/FOP-1906
>             Project: FOP
>          Issue Type: Bug
>          Components: unqualified
>    Affects Versions: 2.5
>         Environment: Operating System: All
> Platform: All
>            Reporter: Martin K
>         Attachments: 0001-Replace-deleted-PageViewports-in-the-ID-Tracker.patch, 200-310-Exam-Dumps-NewYear-2019.pdf
>
>
> PageViewports are added to the IDTracker, while content is put into them.
> The PageProvider discards PageViewports under some conditions (discardCacheStartingWith)
- the result is, that the ID Tracker has references to the old PageViewport while the new
PageViewport is used for rendering. 
> There is a memory leak, as some content is put on the old PageViewport first, before
generating the new PageViewport. The content of the new PageViewport is freed during rendering
- the content of the old PageViewport is not freed.



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