[jira] [Updated] (TAP5-1956) Tapestry.ZoneManager creates memory leaks

["Jochen Kemnade (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TAP5-1956?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jochen Kemnade updated TAP5-1956:
---------------------------------

    Attachment: 0001-Fix-memory-leaks-with-Tapestry.ZoneManager.patch

The attached fixes this using the following approach:
 * create a function T5.dom.addCleanupHook to add callbacks when an element is removed/purged
 * add a clean-up hook to the Zone element that breaks the circular reference
                
> Tapestry.ZoneManager creates memory leaks
> -----------------------------------------
>
>                 Key: TAP5-1956
>                 URL: https://issues.apache.org/jira/browse/TAP5-1956
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.3.3
>            Reporter: Jochen Kemnade
>              Labels: dom, memory_leak, patch, zone
>         Attachments: 0001-Fix-memory-leaks-with-Tapestry.ZoneManager.patch
>
>
> The Tapestry.ZoneManager creates a circular reference between the DOM tree and the ZoneManager JS object. This circle is not broken when the element is removed from the DOM, so it will not be cleaned up.

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