7937 Posts in 1537 Topics by 944 members
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8 November 2009 at 12:26am
I'm using Silverstripe 2.3.3, DataObjectManager r317, and SWFUpload r271 and need to extend a class of objects to include available sizes. Since each particular product will be available in multiple sizes and each size can be available to multiple products I've set them up in a many_many relation.
The problem is that I'm already interacting with the products through a ManyManyDataObjectManager in a ProductHolder page type (class name 'ProductList') and trying to nest the new ManyManyDataObjectManager inside it gives me the following error:
115 on line F:\xampp\htdocs\stinger\sapphire\core\Object.php: Cannot instantiate abstract class Object in Fatal error
What I believe to be the relevant code can be seen here : http://pastie.org/687736
8 November 2009 at 4:43pm
Something's wrong. I'll look at your code a little more closely when I have some time.
9 November 2009 at 9:27pm
Thanks. I plan to transfer the site online from my localhost as soon as I take care of another couple of issues and will do a clean install and update then. Hopefully that will clear it up.
10 November 2009 at 6:03am
Could you paste the rest of that error? Does it come with a trace at all?
10 November 2009 at 10:20am
Nope, nothing I can find but that one line. I tried turning on error logging and the same message shows up in the php log.
10 November 2009 at 1:47pm
I've updated the core files in my localhost install of silverstripe to the 2.4 branch to try and resolve some other problems.
I still get the same error though when I try to nest the DOM.
10 November 2009 at 3:14pm
Oh, man. Don't upgrade to the branch. That's untested. Tons of stuff is going to break. I still haven't gotten all the patches in for the trunk, let alone the branches.
10 November 2009 at 3:24pm
Noted, I'll revert my working copy. At least the other problems the update was meant to fix aren't critical. I'll try doing some experiments to see if I can track down the source of the DOM problem.
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