[Zope-CMF] LDAPUserFolder can't contact LDAP server after restart

[Jens Vagelpohl]

why are you using this ancient LDAPUserFolder version? i would try 
upgrading first and then seeing if the problem reappears.

jens


On Monday, Mar 10, 2003, at 08:20 US/Eastern, Bert Vanderbauwhede wrote:

> Hi,
>
> We have three servers, each with the same setup and running the same 
> CMF
> site. We use LDAPUserFolder for authentication. This used to work fine,
> but...
>
> Due to a memory leak, our LDAP server (an ancient version of OpenLDAP) 
> has
> to be restarted at 13:00 (and 19:00) every day. And here the problem
> begins.
>
> Our main server has actually no problem at all. The site can't be
> accessed for a couple of seconds while the LDAP server is restarting
> (returns a site error: Can't contact LDAP server), but once that's 
> done,
> the site works just like before. The other two servers however keep
> returning the site error. Only by (manually) restarting zope can we get
> the site running again.
>
> Has anyone any idea why this happens? The server that works fine is our
> main webserver and is heavily used. The other two servers are only 
> used by
> a small number of people. Could this be part of the problem?
>
> This is the traceback we get:
>
> Error Type: SERVER_DOWN
> Error Value: {'desc': "Can't contact LDAP server", 'info': ''}
> Error Traceback: Traceback (innermost last):
>   File /usr/local/zope/lib/python/ZPublisher/Publish.py, line 89, in 
> publish
>   File /usr/local/zope/lib/python/ZPublisher/BaseRequest.py, line 388, 
> in traverse
>   File 
> /usr/local/zope/lib/python/Products/LDAPUserFolder/LDAPUserFolder.py, 
> line 620, in validate
>     (Object: acl_users)
>   File /usr/local/zope/lib/python/AccessControl/User.py, line 628, in 
> validate
>     (Object: acl_users)
>   File 
> /usr/local/zope/lib/python/Products/LDAPUserFolder/LDAPUserFolder.py, 
> line 596, in authenticate
>     (Object: acl_users)
>   File 
> /usr/local/zope/lib/python/Products/LDAPUserFolder/LDAPUserFolder.py, 
> line 507, in getUser
>     (Object: acl_users)
>   File 
> /usr/local/zope/lib/python/Products/LDAPUserFolder/LDAPUserFolder.py, 
> line 246, in _lookupuser
>     (Object: acl_users)
>   File 
> /usr/local/zope/lib/python/Products/LDAPUserFolder/LDAPUserFolder.py, 
> line 837, in _searchResults
>     (Object: acl_users)
>   File 
> /usr/local/zope/lib/python/Products/LDAPUserFolder/LDAPUserFolder.py, 
> line 791, in _connect
>     (Object: acl_users)
>   File 
> /usr/local/python/lib/python2.1/site-packages/ldap/ldapobject.py, line 
> 469, in simple_bind_s
>   File 
> /usr/local/python/lib/python2.1/site-packages/ldap/ldapobject.py, line 
> 155, in bind_s
>   File 
> /usr/local/python/lib/python2.1/site-packages/ldap/ldapobject.py, line 
> 149, in bind
>   File 
> /usr/local/python/lib/python2.1/site-packages/ldap/ldapobject.py, line 
> 94, in _ldap_call
>
> Setup:
> RedHat 8.0
> Python 2.1.3
> Zope 2.5.1
> CMF 1.2
> LDAPUserFolder 1.4
> python-ldap 2.0.0pre06
>
>
> Bert Vanderbauwhede...
> ---
> "To make it really easy, the Unix commands are named using a Caesar
>  cipher, so that folks using a voice synthesizer can control a Unix box
>  using the type of sounds that Terrance and Phillip like to make a 
> lot."
>
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