Adding CMR is handled differently in JBoss 3.2.2 and JBoss 3.2.5

When adding a CMR entity via DTO generated by XDoclet, it seems that the "commit" append in different way in version 3.2.2 and 3.2.5, generating SQL exceptions when using for example UNIQUE constraint refering to a foreign key in JBoss 3.2.5 (Test is working in 3.2.2)

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EXAMPLE
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This use case is the closest I could make to reproduce the error we have in our application.

I have 3 entities :

• CompanyGroup
• Company
• Employee

With relationships :

• CompanyGroup - Company (1-n)
• Company - Employee (1-n)

An employee as a type ("boss" or "worker").
A company can have only one boss therefore the employee table has a unique constraint on (companyID, type).
NOTE : This is not very logical or practical in normal life (since it also means that there is only one worker), but it is just to introduce and illustrate the UNIQUE constraint which will crash the application in 3.2.5.

In our DB we already have a CompanyGroup which contains 2 companies.
We want to add one new employee per companies of that group.

NOTE : The CMP and DTO code is generated by XDoclet

In our main class we will then call :

// Create a new boss for each company of the group
// CompGroup ID = 10
CompGroup mycg = cgHome.findByPrimaryKey(new Long(10));
CompGroupDTO mycgDTO = mycg.getCompGroupDTO();
CompanyDTO[] comps = mycgDTO.getCompanyDTOs();

int cLength = comps.length;
for (int i = 0; i < cLength; i++) {
EmployeeDTO eDTO = new EmployeeDTO();
eDTO.setEmployeeType("boss");
eDTO.setEmployeeName("John Doe " + i);
eDTO.setEmployeeId(new Long("3" + String.valueOf));
comps[i].addEmployeeDTO(eDTO);
mycgDTO.updateCompanyDTO(comps[i]);
}

mycg.setCompGroupDTO(mycgDTO);

In 3.2.2 the test is successful, where in 3.2.5 it crashes with a UNIQUE constraint violation.
What I think is happening is that when adding the employee to the company, in 3.2.2 the relation is created immediately where in 3.2.5 the relation creation is delayed, leaving the foreign key of the company to "null". Because modifying the companies is inside a loop (in the XDoclet generated files) the UNIQUE constraint is violated.

If you check the code generated by XDoclet when adding a new employee, you ll notice that the "insertAfterEjbPostCreate" would not help since it first creates the employee with the foreign key to null and then create the relation (which is suppose to set the foreign key).

Bug could come from something I m doing wrong, but since it works under 3.2.2 and not 3.2.5, I'd like to know in which version the bug is, so that I can found out if my code is correct.

I hope this description is clear enough.
I can provide the classes of this example if needed.