[jbossseam-issues] [JBoss JIRA] Updated: (JBSEAM-2214) Entities in DataModel turns to null after some operations

Daniel Kane (JIRA) jira-events at lists.jboss.org
Tue Nov 6 02:50:45 EST 2007

     [ http://jira.jboss.com/jira/browse/JBSEAM-2214?page=all ]

Daniel Kane updated JBSEAM-2214:

    Attachment: sp.sql

> Entities in DataModel turns to null after some operations 
> ----------------------------------------------------------
>                 Key: JBSEAM-2214
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-2214
>             Project: JBoss Seam
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.0.0.CR1
>         Environment: Windows 2000 SP4
> Java 1.6  
> JBoss 4.2.1 GA
> Richfaces 3.1.1 GA
> Browser : Mozilla Firefox 2.0 
>            Reporter: Daniel Kane
>         Attachments: screenshots.ZIP, smpcProblem.zip, sp.sql
> Application contains two pages, accessible from toolbar menu (s:links).
> pages.xml contains <begin-conversation join="true"> for <page view-id="*"> , i.e. single global conversation should exist during the session. And it does, according URL (cid=1 always) and debug page.
> Each page has backing component , SFSB scoped to conversation (by default).
> Both components injects SMPC entityManager.
> Both pages contains DataModel-based tables .  
> The problem and reproduction scenario : 
> 1) Create and populate two database tables using the enclosed sql script. 
> 2) Open  http://host:8080/smpc-problem  (screenshot p1) . There are two pages accessible from top toolbar menu. Pages lists data from data1 and data2 tables. Data is editable.
> 3) Switch to page2 and edit data in one or more fields. Click "Save" (screenshot p2)
> 4) Switch back to page1 and edit data in one or more fields. Click "Save". (screenshot p3)
> After certain number of such actions (edit - save - switch to another page), the list on page1 or page 2 contains null entries (screenshot p4). 

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