On Jan 4, 2010, at 6:42 PM, Tim Worman wrote:

> On Jan 4, 2010, at 3:27 PM, Chuck Hill wrote:
> 
>> 
>> On Jan 4, 2010, at 3:13 PM, Tim Worman wrote:
>> 
>>> Is it pretty much a certainty that the error I'm experiencing is caused by 
>>> a problem in my models? This problem is a show stopper for me right now. 
>>> Just for refresher, the error is:
>>> 
>>> Error:      java.lang.IllegalStateException: The object with globalID 
>>> _EOIntegralKeyGlobalID[Timesheet (java.lang.Long)10253] could not be found 
>>> in the database. This could be result of a referential integrity problem 
>>> with the database. An empty fault could not be created because the object's 
>>> class could not be determined (e.g. the GID is temporary or it is for an 
>>> abstract entity)
>> 
>> Does a Timesheet with a 10253 actually exist in the database?  Is Timesheet 
>> in an inheritance hierarchy?  If so, check very, very carefully for a 
>> duplicated PK.
> 
> Timesheet is in an inheritance hierarchy. From the original post, this is how 
> Timesheet is modeled:
> 
> Timesheet (abstract parent)   <-----------------< TimeEntry (just a time 
> entry on a timesheet)
> TimesheetExempt (child)
> TimesheetNonExempt(child)
> 
> Yes, there is a Timesheet with timesheet_id=10253. There are no Timesheet 
> with duplicate timesheet_id. The error is thrown when TimeEntry.timesheet() 
> is called.

What is the restricting qualifier on each Timesheet entity?

Dave


> 
> 
> Tim
> 
>> Chuck
>> 
>> 
>>> 
>>> I've tested the equality of the connection dictionaries of the models and 
>>> they are equal.
>>> 
>>> Tim Worman
>>> UCLA GSE&IS
>>> 
>>> 
>>> 
>>> On Dec 31, 2009, at 12:36 AM, Tim Worman wrote:
>>> 
>>>> On Dec 30, 2009, at 3:18 AM, David Avendasora wrote:
>>>> 
>>>>> 
>>>>> On Dec 29, 2009, at 9:46 PM, Tim Worman wrote:
>>>>> 
>>>>>> OK, so, I've reviewed all the prototypes in use, data types, etc. I did 
>>>>>> find some areas where my prototypes were messed up so it was worth it to 
>>>>>> go through it all. The fk and pk both are long values.
>>>>>> 
>>>>>> But I'm still getting the same error. This solution also doesn't cross 
>>>>>> databases. It does crosses models at this point. But the TimeEntry and 
>>>>>> Timesheet entities are in the same model.
>>>>> 
>>>>> If TimeEntry and Timesheet are in the same model, what crosses models? 
>>>>> The inheritance hierarchy? What type of Inheritance are you using?
>>>>> 
>>>>> If you have two models that point to the same database you have to be 
>>>>> very careful to make sure that the connection dictionaries of the two 
>>>>> models are EXACTLY IDENTICAL (yelling intended). This is very, very 
>>>>> important. Otherwise they will likely have different EODatabaseContexts 
>>>>> which can cause all manor of EOF confusion when it comes to assigning 
>>>>> keys.
>>>>> 
>>>>> Read this thread from way back in 2006 where Mike Schrag seemed to have a 
>>>>> similar problem (start at the beginning): 
>>>>> http://lists.apple.com/archives/webobjects-dev//2006/May/msg00530.html
>>>> 
>>>> Thanks Dave. But I still don't have a solution. I tested all the models 
>>>> that refer to the same database. I'm testing the equality of the 
>>>> connection dictionaries at app launch and they all pass the 
>>>> connectionDictionary().equals() test. There is another JNDI model that 
>>>> obviously refers to an LDAP data source and necessarily the connection 
>>>> dictionary to that is different.
>>>> 
>>>> Any other ideas about what is causing the problem or troubleshooting 
>>>> techniques you'd employ here? Obviously I'm doing something wrong?
>>>> 
>>>> Tim
>>>> 
>>>>> 
>>>>> Dave
>>>>> 
>>>>> 
>>>>>> 
>>>>>> Tim Worman
>>>>>> UCLA GSE&IS
>>>>>> 
>>>>>> 
>>>>>> On Dec 28, 2009, at 4:45 PM, [email protected] wrote:
>>>>>> 
>>>>>>> Check cross database issues and also name sure the types on your pk and 
>>>>>>> fk match ... I notice that says your fk is a long, make sure that 
>>>>>>> matches the pk of the destination entity.
>>>>>>> 
>>>>>>> Sent from my iPhone
>>>>>>> 
>>>>>>> On Dec 28, 2009, at 7:33 PM, "Tim Worman"<[email protected]> wrote:
>>>>>>> 
>>>>>>>> ...or wondering if I've modeled something incorrectly.
>>>>>>>> 
>>>>>>>> I've got a model with these Entities:
>>>>>>>> 
>>>>>>>> Timesheet (abstract parent)   >----------------- TimeEntry (just a 
>>>>>>>> time entry on a timesheet)
>>>>>>>> TimesheetExempt (child)
>>>>>>>> TimesheetNonExempt(child)
>>>>>>>> 
>>>>>>>> Everything works fine until a given TimeEntry tries to refer back to 
>>>>>>>> its timesheet by calling timesheet(). At that point I get this error:
>>>>>>>> 
>>>>>>>> Error: java.lang.IllegalStateException: The object with globalID 
>>>>>>>> _EOIntegralKeyGlobalID[Timesheet (java.lang.Long)10253] could not be 
>>>>>>>> found in the database. This could be result of a referential integrity 
>>>>>>>> problem with the database. An empty fault could not be created because 
>>>>>>>> the object's class could not be determined (e.g. the GID is temporary 
>>>>>>>> or it is for an abstract entity)
>>>>>>>> 
>>>>>>>> It is true that the GID would be for an abstract entity - Timesheet. 
>>>>>>>> But I assumed that a TimeEntry would not need to know specifically 
>>>>>>>> what variety of Timesheet it is dealing with. I guess the question I 
>>>>>>>> have is, what is the better way to model this? Will it be necessary 
>>>>>>>> for me to model TimeEntryExempt and TimeEntryNonExempt just so the 
>>>>>>>> time entries know which type of timesheet they belong to and don't 
>>>>>>>> call the abstract parent?
>>>>>>>> 
>>>>>>>> Tim
>>>>>>>> UCLA GSE&IS
>>>>>>>> 
>>>>>>>> 
>>>>>>>> 
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>>>>>> 
>>>>>> _______________________________________________
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>>>>>> 
>>>>>> 
>>>>> 
>>>>> David Avendasora
>>>>> Senior Software Engineer
>>>>> K12, Inc.
>>>>> 
>>>>> *****
>>>>> WebObjects Documentation Wiki : 
>>>>> http://wiki.objectstyle.org/confluence/display/WO/
>>>>> *****
>>>>> WebObjects API: 
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>>>>> *****
>>>>> 
>>>> 
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>> 
>> -- 
>> Chuck Hill             Senior Consultant / VP Development
>> 
>> Practical WebObjects - for developers who want to increase their overall 
>> knowledge of WebObjects or who are trying to solve specific problems.
>> http://www.global-village.net/products/practical_webobjects
>> 
>> 
>> 
>> 
>> 
>> 
>> 
> 
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> 

David Avendasora
Senior Software Engineer
K12, Inc.

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