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From "Caroline Maynard (JIRA)" <tuscany-...@ws.apache.org>
Subject [jira] Updated: (TUSCANY-1202) AccessViolation in DataObjectImpl::logDeletion()
Date Thu, 05 Apr 2007 21:30:32 GMT

     [ https://issues.apache.org/jira/browse/TUSCANY-1202?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Caroline Maynard updated TUSCANY-1202:
--------------------------------------

    Attachment: Tuscany-1202.patch

I'm not convinced that it's worth the trouble of caching the changesummaryobject, given the
problems it causes. This patch eliminates the cache, calculating the changesummaryobject by
walking up the containment tree when necessary instead.

> AccessViolation in DataObjectImpl::logDeletion()
> ------------------------------------------------
>
>                 Key: TUSCANY-1202
>                 URL: https://issues.apache.org/jira/browse/TUSCANY-1202
>             Project: Tuscany
>          Issue Type: Bug
>          Components: C++ SDO
>    Affects Versions: Cpp-current
>         Environment: PHP
>            Reporter: Caroline Maynard
>         Attachments: Tuscany-1202.patch
>
>
> Like Tuscany 1147, this problem is seen running the SDOAPITest PHPUNIT testcase. The
scenario is the same, but this time ChangeLogging type objects exist in the tree (note that
Logging does not need to be turned on to see the problem). As with 1147, the problem is seen
when the code using Tuscany holds references to objects at different levels in the tree, such
that they are held after the root object no longer exists.
> It's the standard company->departments->employees setup. When the company is dropped,
the Tuscany code does reset the container and the applicable change summary for the department.
But it doesn't drill down and do the same for the employee. The consequence is that the employee
still has a changesummary pointer to the company's changesummary. When that gets referenced,
in this testcase when unsetting the employee from the department, the changesummary value
is tested and an AccessViolation occurs. 

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