Hi there,

There seems to be a problem with my ZCatalog, and it seems to be getting worse 
as time goes by.  When my CatalogPathAware objects unindex themselves, 
sometimes I get an attribute error like:

AttributeError: 'str' object has no attribute 'append' 

Traceback (innermost last):
  Module ZPublisher.Publish, line 101, in publish
  Module ZPublisher.mapply, line 88, in mapply
  Module ZPublisher.Publish, line 39, in call_object
  Module Products.FileSystemSite.FSPythonScript, line 104, in __call__
  Module Shared.DC.Scripts.Bindings, line 306, in __call__
  Module Shared.DC.Scripts.Bindings, line 343, in _bindAndExec
  Module Products.FileSystemSite.FSPythonScript, line 160, in _exec
  Module None, line 33, in tab_status_approve
   - <FSPythonScript 
at /silva/service_views/Silva/edit/VersionedContent/tab_status_approve used 
for /silva/service_views/SilvaDocument/edit/VersionedContent/Document>
   - Line 33
  Module Products.Silva.Versioning, line 125, in approve_version
  Module Products.Silva.Versioning, line 512, in _update_publication_status
  Module Products.Silva.VersionedContent, line 334, in _unindex_version
  Module Products.Silva.Version, line 191, in unindex_object
  Module Products.ZCatalog.ZCatalog, line 558, in uncatalog_object
  Module Products.ZCatalog.Catalog, line 411, in uncatalogObject
  Module Products.ZCTextIndex.ZCTextIndex, line 181, in unindex_object
  Module Products.ZCTextIndex.OkapiIndex, line 68, in unindex_doc
  Module Products.ZCTextIndex.BaseIndex, line 176, in unindex_doc
  Module Products.ZCTextIndex.BaseIndex, line 303, in _del_wordinfo
  Module ZODB.Connection, line 562, in setstate
  Module ZODB.Connection, line 601, in _set_ghost_state
AttributeError: 'str' object has no attribute 'append'

In the logfile, the last line of code is shown in the traceback:
  File "/export1/Zope-2.7.2-0/lib/python/ZODB/Connection.py", line 601, in 
    state = unpickler.load()

Perhaps this is a ZEO issue.  I'm using Zope-2.7.2-0 with ZEO.  Both the zeo 
server and the client are on the same box.  The zeo logfile reports no errors 
when this occurs.

Any ideas why this may be happening?
Zope maillist  -  Zope@zope.org
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