[Zope] Iimport IPossibleSite not possible

[Mario Premke]

Hello,

many times now I tried to start zope, but I always get the following error:

mapr at AtomN270 /opt/TESTInstance/bin $ ./runzope
Traceback (most recent call last):
  File "/opt/bin/runzope", line 8, in <module>
    load_entry_point('Zope2==2.13.15', 'console_scripts', 'runzope')()
  File 
"/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/Zope2/Startup/run.py", 
line 22, in run
    starter.prepare()
  File 
"/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/Zope2/Startup/__init__.py", 
line 86, in prepare
    self.startZope()
  File 
"/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/Zope2/Startup/__init__.py", 
line 259, in startZope
    Zope2.startup()
  File 
"/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/Zope2/__init__.py", 
line 46, in startup
    from Zope2.App.startup import startup as _startup
  File 
"/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/Zope2/App/startup.py", 
line 38, in <module>
    import OFS.Application
  File 
"/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/OFS/Application.py", 
line 22, in <module>
    import App.Product
  File 
"/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/App/Product.py", 
line 44, in <module>
    from OFS.Folder import Folder
  File 
"/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/OFS/Folder.py", 
line 24, in <module>
    from webdav.Collection import Collection
  File 
"/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/webdav/Collection.py", 
line 30, in <module>
    from webdav.Resource import Resource
  File 
"/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/webdav/Resource.py", 
line 35, in <module>
    from OFS.event import ObjectClonedEvent
  File 
"/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/OFS/event.py", 
line 20, in <module>
    import OFS.interfaces
  File 
"/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/OFS/interfaces.py", 
line 19, in <module>
    from zope.location.interface import IPossibleSite
ImportError: No module named interface

log/event.log shows:
------
2012-09-10T21:59:59 INFO ZServer HTTP server started at Mon Sep 10 21:59:59 
2012
        Hostname: 0.0.0.0
        Port: 8080

and var/zope.conf:

%define INSTANCE /opt/TESTInstance

instancehome $INSTANCE

effective-user mapr

<eventlog>
  level info
  <logfile>
    path $INSTANCE/log/event.log
    level info
  </logfile>
</eventlog>

<logger access>
  level WARN
  <logfile>
    path $INSTANCE/log/Z2.log
    format %(message)s
  </logfile>
</logger>

<http-server>
  address 8080
</http-server>

<zodb_db main>
    <filestorage>
      path $INSTANCE/var/Data.fs
    </filestorage>
    mount-point /
</zodb_db>

<zodb_db temporary>
    <temporarystorage>
      name temporary storage for sessioning
    </temporarystorage>
    mount-point /temp_folder
    container-class Products.TemporaryFolder.TemporaryContainer
</zodb_db>

Z2.log is empty ...

Any ideas? Thanks in advance,

Mario