Error on server side
Hilaire Fernandes
hilaire2006 at laposte.net
Wed Mar 7 20:54:10 UTC 2007
By investigating step by step, I have found the relevant piece of code
which cause the error. It is related to the addition of a DateAndTime index.
My commit involves the creation of several related/nested
MagmaCollection each coming with one index. The top bottom collection is
created with a DateAndTime index:
IFIEtayageStepAchievement>>initialize
super initialize.
exercicesRecord := MagmaCollection new.
exercicesRecord
addIndex: (MaDateAndTimeIndex attribute: #endTime).
cumulativeLearningGain := 0.
failures := 0.
successes := 0
If I remove the addIndex: it is ok.
I re-check my #endTime is really returning a DateAndTime object.
At first #endTime was retrieving the object from other attribute object,
now endTime is also an instance variable, but I think it does not really
matter.
Are there any precaution when using DateAndTime index?
Hilaire
Hilaire Fernandes a écrit :
> I recover from a backup, and now when I am trying to populate these new
> MagmaCollection I got a class definition unknow error.
>
> In which direction should I look at? (enclose a capture of the error
> message)
>
> Hilaire
>
>
> Hilaire Fernandes a écrit :
>> When populating a MagmaCollection I got error with index, because I
>> used the wrong selector for the index. I fix that, then I start to get
>> "class definition unknow" error message, then my whole data is
>> unaccessible (lost), then from the server I stop and restrat (even
>> restarting Squeak), and now each time I start the Magma server I got
>> the two following messages (capture here).
>>
>> I am sure I do a lot of mistake when using Magma, but now I start to
>> get anxious with it.
>
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