Could be because you have forgot to set the content type in the form. (Do a view source on a file upload page, and see the form tag there.) Regards maxm Max M. W. Rasmussen, Denmark. New Media Director private: maxmcorp@worldonline.dk work: maxm@normik.dk ----------------------------------------------------- Shipping software is an unnatural act -----Original Message----- From: zope-admin@zope.org [mailto:zope-admin@zope.org]On Behalf Of sbergmann@weblog.de Sent: Tuesday, September 18, 2001 11:59 AM To: zope@zope.org Subject: [Zope] Re: IOError with ExtFile/ExtImage Here is the Trace of my error: Traceback (innermost last): File /home/weblog/Zope-2.3.3-linux2-x86/lib/python/ZPublisher/Publish.py, line 223, in publish_module File /home/weblog/Zope-2.3.3-linux2-x86/lib/python/ZPublisher/Publish.py, line 187, in publish File /home/weblog/Zope-2.3.3-linux2-x86/lib/python/Zope/__init__.py, line 221, in zpublisher_exception_hook (Object: Traversable) File /home/weblog/Zope-2.3.3-linux2-x86/lib/python/ZPublisher/Publish.py, line 171, in publish File /home/weblog/Zope-2.3.3-linux2-x86/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: testmethod) File /home/weblog/Zope-2.3.3-linux2-x86/lib/python/ZPublisher/Publish.py, line 112, in call_object (Object: testmethod) File /home/weblog/Zope-2.3.3-linux2-x86/lib/python/OFS/DTMLMethod.py, line 189, in __call__ (Object: testmethod) File /home/weblog/Zope-2.3.3-linux2-x86/lib/python/DocumentTemplate/DT_String.py, line 540, in __call__ (Object: testmethod) File /home/weblog/Zope-2.3.3-linux2-x86/lib/python/DocumentTemplate/DT_Util.py, line 339, in eval (Object: manage_addProduct['ExtFile'].manage_addExtFile(id='id1', title='ddd', descr='aaaaa', file='D:\terminalclient.zip', content_type='', permission_check=0,REQUEST=REQUEST)) (Info: REQUEST) File <string>, line 0, in ? File /home/weblog/Zope-2.3.3-linux2-x86/lib/python/Products/ExtFile/ExtFile.py, line 101, in manage_addExtFile (Object: Traversable) File /home/weblog/Zope-2.3.3-linux2-x86/lib/python/Products/ExtFile/ExtFile.py, line 371, in manage_file_upload (Object: CatalogAware) File /home/weblog/Zope-2.3.3-linux2-x86/lib/python/Products/ExtFile/ExtFile.py, line 472, in _copy (Object: CatalogAware) IOError: (see above)