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Re: (ITS#8668) Cache overlay, unexpected behaviour and occasional segfaults
- To: openldap-its@OpenLDAP.org
- Subject: Re: (ITS#8668) Cache overlay, unexpected behaviour and occasional segfaults
- From: firstname.lastname@example.org
- Date: Tue, 06 Jun 2017 15:42:59 +0000
- Auto-submitted: auto-generated (OpenLDAP-ITS)
--On Monday, June 05, 2017 6:08 PM +0000 email@example.com wrote:
> Full_Name: Alex Crow
> Version: 2.4.40-13.el7
> OS: Centos 7.3
> URL: ftp://ftp.openldap.org/incoming/
> Submission from: (NULL) (184.108.40.206)
> I'm using OpenLDAP with the caching overlay as a proxy to AD, mostly for
> use with Postfix and Dovecot.
> I have been experiencing a strange issue whereby, when a user is moved to
> a different OU in AD, the caching server initially returns only the
> original OU until the cache entry expires. However, after this time, it
> returns both the entry in the original OU and the entry in the new OU.
> This does not seem to change even after the next expiry time has elapsed.
> I can only seem to clear out the "old" result by wiping the cache's
The first thing to do would be to upgrade to OpenLDAP 2.4.44 or 2.4.45 and
confirm you can reproduce the issue in a current release. If you can, then
you need to provide a full backtrace, where debug symbols are enabled (the
"-g" flag for CFLAGS for gcc), and the slapd binary is not stripped (or if
using packaged RPMs, the debuginfo etc bits are installed).
You can grab pre-compiled packages for OpenLDAP 2.4.44 from the LTB project
at <http://ltb-project.org/wiki/download#openldap>. I expect they'll have
2.4.45 packages available soon as well.
Packaged, certified, and supported LDAP solutions powered by OpenLDAP: