IFS-30805 Unable To Free Class -- huh??

Question

So I'm finally fed up with the snafus and bogusity and decide to delete my content type (an extension of DOCUMENT) and start over. Using the Viewer, I delete all the uploaded files of this type and the test folder that contained the uploaded files. Nobody else is using this content type: it is now totally unused.
So from the 9iFS Manager (Mangler?) I highlight the content type and click Object->Delete.
After a short wait I get a dialog box: "The ClassObject has instances...Do you want to delete instances?" Well, I don't agree with the statement, as all the instances are gone, but sure, I'll go along with it, so I click OK.
After another wait I get an "Are you sure..." dialog, and I answer OK. (I'm VERY sure).
Finally after yet another wait I get dialog containing an "IFS-30805 Unable to free class (instances still exist)".
This is, to use as polite a term as I can, HORSEPUCKY. What the heck is going on here? Why can't I delete this content type? Where do these (alleged) instances exist that are preventing the deletion?
All help, speculation, advice and incantations greatly appreciated.
Thank you,
Jeff Rininger

Answer 1

Jeff,
You are not alone! Things to check are that your extended class bean does not have issues with naming. I had the same problem and it was due to me naming the class AB but when compiled on NT 2000 it was compiled as ab.class
To resolve the issue though run this to find the instances as they are still there!
SELECT id, name
FROM odm_publicobject
WHERE classid IN (
SELECT id FROM odm_classobject
WHERE uniquename IN ('EXTENDED CLASS NAME'));
Use the ID's from this to put in the following JAVA to delete (Substitute ID:
IfsFileSystem ifs = new IfsFileSystem(ifsSession);
Folder f = (Folder)ifs.findPublicObjectById(new Long(ID));
ifs.delete(f, true);
ifsSession.disconnect();
That should help you out.
Regards
Chris Mayhew