[hibernate-issues] [Hibernate-JIRA] Updated: (HHH-2584) PersistentMap.remove() incorrect on uninitialized, non-extra-lazy map

[Christian Bauer (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2584?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Christian Bauer updated HHH-2584:
---------------------------------

    Comment: was deleted

> PersistentMap.remove() incorrect on uninitialized, non-extra-lazy map
> ---------------------------------------------------------------------
>
>                 Key: HHH-2584
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2584
>             Project: Hibernate3
>          Issue Type: Patch
>          Components: core
>    Affects Versions: 3.2.1, 3.2.2, 3.2.3
>         Environment: Hibernate 3.2.3 ga, MySQL 5.0.24a, for Win32
>            Reporter: Daniel Wellman
>         Attachments: persistentmap_remove.patch
>
>
> This problem is nearly identical to HHH-2476:  PersistentMap.put() incorrect on uninitialized, non-extra-lazy map.  remove() has the same problem.  See also issue HHH-2142.
> The write up for HHH-2476 was so concise that I will transform it here, substituting remove() for put().
> ---
> Essentially, an uninitialized PersistentMap loses the first remove() into it if defined as non-extra-lazy.
> The underlying cause is the code in PersistentMap#remove() which attempts to readElementByIndex(). In the case of non-extra-lazy, readElementByIndex() returns the UNKNOWN marker object which is supposed to be used to signal that the delegate map is now initialized and to remove the element directly from the map. Long story short, PersistentMap#remove() does not properly check the return value from readElementByIndex() and react accordingly.

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