Re: Problems with Stale Data
Re: Problems with Stale Data
- Subject: Re: Problems with Stale Data
- From: Chuck Hill <email@hidden>
- Date: Tue, 29 Jan 2008 18:22:33 -0800
On Jan 29, 2008, at 6:17 PM, Chris Hoyt wrote:
I checked the value type as well. I did update the plugin.
The problem only occurs when referencing recent records (15 minutes
or less) then goes away. That is why I thought it might be a data
refresh issue.
That sounds more like the PK is getting created with a different Java
class than what it is fetched with. When they expire out of snapshot
cache, consistent data is fetched.
This might be a bug in the OB plugin. What Java class are your
keys? Number is the wrong answer. :-) They will be Integer, Long,
BigDecimal, NSData or something concrete. What value type are you
using? Check the class after creation and then again after the
problem goes away.
Chuck
On Jan 29, 2008 2:19 PM, Chuck Hill <email@hidden> wrote:
On Jan 28, 2008, at 10:14 PM, Chris Hoyt wrote:
>
>
> > java.lang.IllegalStateException: cannot update primary-key
> > 'assignmentID' form '52067' to '52067' on object
>
> What you can't see there is that one of those 52067 is an Integer
and
> one is a Long (or a BigDecimal or some class other than what the
> first one is.
>
> I had recently upgraded by database so this looked like a real
> possibility to me. Alas, the schema and EOModel both have "int".
> I am using Webobjects 5.4 on OS X 10.5.1 with Open Base 10
The value type (I, L, D etc) not the external type (int) is the
potential problem. It could also be a WO 5.4 and / or OpenBase
plugin problem. Did you update the OB plugin?
Chuck
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Practical WebObjects - for developers who want to increase their
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--
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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