On 9/9/10 3:28 PM, Mike Hammill wrote: > David, > > I seem to recall from somewhere that using Data.fs was in some sense > more complete, or more supported, or more something from some old > migration guide, so I was shying away from doing an export/import. Also > there is the time involved in exporting/importing each site in the instance. > > However, I gave it a try. When I did, I notice this text in 3.3.5: > > """ > Note: Zope can export/import objects in two dfferent formats: a binary > format (called ZEXP) and as XML. The ZEXP format is the officially > supported export/import format for moving data between identicial Zope > installations (it is not a migration tool). The XML export/import is > unsupported (and possibly broken under certain circumstances) - use it > at your own risk. > """ > > It is the "it is not a migration tool" part plus that "identical" is > underlined that worries me a bit. In any case, the import into an empty > 4.0.0 failed in my case with: > > """ > Site Error > > An error was encountered while publishing this resource. > > Error Type: ImportError > Error Value: No module named LargePloneFolder > """ > > which I guess means (1) I have been using Plone too long :-) and (2) I > have to find and somehow try to get rid of LargePloneFolder objects > somehow before migrating?? > > Thanks for the tip, though, maybe it will work if I can figure out how > to proceed. Perhaps I will be able to get to Plone 4 one of these days > ;-) I have be extremely strict about using any third-party add-ons, > just so migration would go smoothly. Looks like this time it is old > Plone stuff itself that it getting in the way. (BTW, we only use only > one add-on: PloneFormGen.) I meant that we exported the database under Plone 3.x and reimported to a new database in the same Zope instance (still Plone 3.x with the same versions of all software). *Then* proceeded with a normal upgrade to 4.0 using the normal method and the new Data.fs.
David ---------- David Glick Web Developer davidgl...@groundwire.org 206.286.1235x32 Groundwire: You Are Connected http://groundwire.org _______________________________________________ For more information about ZODB, see the ZODB Wiki: http://www.zope.org/Wikis/ZODB/ ZODB-Dev mailing list - ZODB-Dev@zope.org https://mail.zope.org/mailman/listinfo/zodb-dev