Thanks for the help. I think you were referring to "IsReplacement" when you
mentioned "IsAssignment".
I have changed the variable delaration in the process definition to:
<variable name='IsReplacement' access='write,required'></variable>
However, the task instance still has an "IsReplacement" variable with a null
value. So it seems the all variables are copied across no matter what? Any
clarification on this?
I did try deleting the "IsReplacement" variable, just before ending the task
instance, as shown below:
| startTaskInstance.deleteVariable("IsReplacement");
| startTaskInstance.end();
|
Now that the variable does not exist at all, the exception is thrown. This
indicates that the jbpm validation only checks if the variable exists, but not
if it is null. So now the problem is that variables are copied across with null
values, and therefore the validation allows them through. I would think that
the validation should check if a variable is null, and not allow it through if
it is.
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http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4084085#4084085
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