[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-3223) PersistentMap.remove() incorrect on uninitialized, non-extra-lazy map

[Michael Newcomb (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-3223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=32043#action_32043 ] 

Michael Newcomb commented on HHH-3223:
--------------------------------------

Perhaps voting for this bug will help.

> PersistentMap.remove() incorrect on uninitialized, non-extra-lazy map
> ---------------------------------------------------------------------
>
>                 Key: HHH-3223
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3223
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.3.0.CR1
>            Reporter: Michael Newcomb
>         Attachments: hhh-3223.zip
>
>   Original Estimate: 1 minute
>  Remaining Estimate: 1 minute
>
> Please have a look at PersistentMap.remove() and compare it to PersistentMap.put(). The put() was fixed HHH-2476 and the same fix needs to be applied to remove().
> Please refer to HHH-2584 for the patch: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2584
> Copied from HHH-2584:
> 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.
> WORKAROUND:
> Have a copy of PersistentMap.java in your source tree with the patch applied...
> Thanks!

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