[Zope] disappearing external methods

Dieter Maurer dieter at handshake.de
Sat May 10 15:56:22 EDT 2008

Garry Saddington wrote at 2008-5-7 16:52 +0100:
>I have recently moved our Zope installation over to a centos server. Since the 
>move all the external methods periodically stop working for no apparent 
>reason and the error is returned as:
>"external method can not be called because it is none"

This means that the "ExternalMethod"s source cannot be imported.
Check that this source is where it should be (and is readable).

If this is the case, press the "save" button of the "ExternalMethod"
to see a more detailed problem report.


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