Hello, I've been a Zope user for awhile, but this is my first mailing list posting. Please let me know if there is a more appropriate forum for my question. We have an Product that subclasses ParsedXML and PortalFolder. When something is uploaded using WebDAV within an instance of the class, the XML source of the document is supposed to be updated to reflect the objects contents as a folder. The problem we are having is that sometimes the upload takes place with a no effect. The log Z2.log file shows the WebDAV PUT request with an HTTP Status code of 204, which ought to indicate success. No exceptions are in the error_log. It seems as if the transaction is aborted somehow, as though there was a ConflictError, but no ConflictError messages appear in Zope's console output. I am very puzzled; there are no exceptions in the error log but the object is not being saved. Is anyone familiar with a situation like this? Mark Meredith