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Re: Null-Pointers from a to Many array
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Re: Null-Pointers from a to Many array


  • Subject: Re: Null-Pointers from a to Many array
  • From: Chuck Hill <email@hidden>
  • Date: Tue, 05 Oct 2004 15:11:17 -0700

At 07:54 AM 06/10/2004 +1000, Greg Hulands wrote:
>It was number 1! But what is quite odd is that it would never throw the
>null pointer exceptions in dev mode, only in deployment.
>
That is odd.  I can't explain that.

Chuck


Oh well, it
>seems to work now, so thank you for the help.
>
>Regards,
>Greg
>
>On 06/10/2004, at 6:26 AM, Chuck Hill wrote:
>
>> Yes, you have done something wrong.  Check:
>>
>> 1. Must call super in awakeFromInsertion
>> 2. Must call super in awakeFromFetch
>> 3. Must insert into EC before accessing relationhip
>> 4. If navigating to this object via a relationship from another object,
>> check the referential integrity in the DB.  Invalid references are
>> translated into dummy fault objects with null values
>> 5. If using KVC to get the relationship, did you spell the key
>> correctly?
>>
>>
>> There are probably more...
>>
>> Chuck
>>
>>
>> At 08:45 AM 05/10/2004 +1000, Greg Hulands wrote:
>>> Hi,
>>> When I try to access the array of a to many relationship and it
>>> contains no records, instead of returning an empty array, it returns
>>> null. I am using wonder if that makes a difference. Is this a normal
>>> thing? It seems a pain in the ass that each time I want to iterate
>>> over
>>> a to many array I have to check to see if it isn't null.
>>>
>>> Am I doing something wrong?
>>>
>>> Regards,
>>> Greg
>>>
>>> _______________________________________________
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>>
>> --
>>
>> Chuck Hill                                 email@hidden
>> Global Village Consulting Inc.
>> http://www.global-village.net
>>
>
>

--

Chuck Hill                                 email@hidden
Global Village Consulting Inc.             http://www.global-village.net
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References: 
 >Re: Null-Pointers from a to Many array (From: Chuck Hill <email@hidden>)

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