Re: (ITS#6217) proxycache not returning cached data

[hyc@symas.com]

Jim van Keulen wrote:
> Howard Chu wrote:
>> w.van.keulen@few.vu.nl wrote:
>>> masarati@aero.polimi.it wrote:
>>>>> Here are slapd.conf and proxycache.conf as attachments.
>>>>
>>>> I just wanted to feed back before I leave for a few days.  I don't see
>>>> anything critical in your files.  You explicitly give the rootdn write
>>>> permissions, which is useless, but apart from this everything looks
>>>> fine.
>>>>
>>>> I've tested a simple setup and it works as expected. I used HEAD and
>>>> re24
>>>> code; the latter is nearly identical to 2.4.17.  I also tested with TLS.
>>>>
>>>> At this point, I'm a bit clueless.  There must be something we're
>>>> overlooking.
>>
>>> Here is some more info, that I just discovered.
>>> If my filter rule is
>>> '(&(objectClass=sambaSamAccount)(uid=wvk))'
>>> the data is cached the first time, but not returned
>>> the second and later time. However when my filter rule is
>>> (&(objectClass=posixAccount)(uid=wvk))'
>>> it works as expected.
>>
>> Sounds like you may have already had the entry in the cache DB but with
>> an incompatible objectclass before, and the attempt to update it with
>> the new objectclass failed. This seems to be related to ITS#6242 which
>> was recently fixed in HEAD. Can you please retest with the latest
>> overlays/pcache.c?
>>
>
> As you requested I retested with HEAD. However the cache is still not
> working correctly.
>
> When my filter rule is:
> '(&(objectClass=posixAccount)(uid=<who>))' the named attributes are
> cached and correctly returned from the cache for every uid from the
> existing user base
> When my filter rule is:
> '(&(objectClass=sambaSamAccount)(uid=<who>))' the named attributes are
> cached and correctly returned from the cache for a subset of the
> existing user base only. For all uid's the query is cached (according to
>    the log), but for some no data is returned.

Sounds more like a schema config issue then. Most likely you don't have the 
matching schema in the proxy server, so it is unable to store the entries it 
has received.

-- 
   -- Howard Chu
   CTO, Symas Corp.           http://www.symas.com
   Director, Highland Sun     http://highlandsun.com/hyc/
   Chief Architect, OpenLDAP  http://www.openldap.org/project/