DeadlockDebugger - LDAP Zugriff hängt ?

Hallo zusammen

Meine Zope Seite hängt ab und zu und daher habe ich mal den 
DeadlockDebugger installiert und u.a. folgenden Eintrag bekommen:
-------------------------------------------------------------------------------------
Thread 1082132800 (GET 
/VirtualHostBase/http/www.bar.com:80/cms/VirtualHostRoot/style/bg_service_area.gif):
   File 
"/usr/local/Zope-2.10.5/lib/python/ZServer/PubCore/ZServerPublisher.py", 
line 19, in __init__
     name, a, b=accept()
   File "/usr/local/Zope-2.10.5/lib/python/ZPublisher/Publish.py", line 
401, in publish_module
     environ, debug, request, response)
   File "/usr/local/Zope-2.10.5/lib/python/ZPublisher/Publish.py", line 
243, in publish_module_standard
     return status
   File 
"/zope/cms/Products/PlacelessTranslationService/PatchStringIO.py", line 
58, in new_publish
     return x
   File "/usr/local/Zope-2.10.5/lib/python/ZPublisher/Publish.py", line 
128, in publish
     return response
   File "/usr/local/Zope-2.10.5/lib/python/ZPublisher/BaseRequest.py", 
line 612, in traverse
     return object
   File "/usr/local/Zope-2.10.5/lib/python/AccessControl/User.py", line 
675, in validate
     return None
   File "/zope/cms/Products/LDAPUserFolder/LDAPUserFolder.py", line 781, 
in authenticate
     return user
   File "/zope/cms/Products/LDAPUserFolder/LDAPUserFolder.py", line 730, 
in getUser
     return user
   File "/zope/cms/Products/LDAPUserFolder/LDAPUserFolder.py", line 665, 
in getUserByAttr
     return None
   File "/zope/cms/Products/LDAPUserFolder/LDAPUserFolder.py", line 300, 
in _lookupuserbyattr
     return None, None, None, None
   File "/zope/cms/Products/LDAPUserFolder/LDAPDelegate.py", line 403, 
in search
     return result
   File "/zope/cms/Products/LDAPUserFolder/LDAPDelegate.py", line 193, 
in connect
     return conn
   File "/zope/cms/Products/LDAPUserFolder/SharedResource.py", line 114, 
in __call__
     self._lock.release()
   File "/usr/local/lib/python2.4/threading.py", line 109, in acquire
     return rc
-------------------------------------------------------------------------------------

Nun frage ich mich, was dort genau vor sich geht.
Wird beim Zugriff auf die Grafik "/style/bg_service_area.gif" eine 
LDAP-Abfrage gemacht, die hängt?

Gruss
Nico


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