OpenLDAP Debug Logs:

>>> dnPrettyNormal: <uid=kkalev,ou=people,dc=ntua,dc=gr>
=> ldap_bv2dn(uid=kkalev,ou=people,dc=ntua,dc=gr,0)
<= ldap_bv2dn(uid=kkalev,ou=people,dc=ntua,dc=gr)=0 
=> ldap_dn2bv(272)
<= ldap_dn2bv(uid=kkalev,ou=people,dc=ntua,dc=gr)=0 
=> ldap_dn2bv(272)
<= ldap_dn2bv(uid=kkalev,ou=people,dc=ntua,dc=gr)=0 
<<< dnPrettyNormal: <uid=kkalev,ou=people,dc=ntua,dc=gr>, <uid=kkalev,ou=people,dc=ntua,dc=gr>
conn=0 op=1 modifications:
        add: edupersonaffiliation
                one value, length 10
conn=0 op=1 MOD dn="uid=kkalev,ou=people,dc=ntua,dc=gr"
conn=0 op=1 MOD attr=edupersonaffiliation
bdb_dn2entry("uid=kkalev,ou=people,dc=ntua,dc=gr")
=> bdb_entry_get: ndn: "uid=kkalev,ou=people,dc=ntua,dc=gr"
=> bdb_entry_get: oc: "(null)", at: "(null)"
bdb_dn2entry("uid=kkalev,ou=people,dc=ntua,dc=gr")
=> bdb_entry_get: found entry: "uid=kkalev,ou=people,dc=ntua,dc=gr"
bdb_entry_get: rc=0
constraint_modify()=> bdb_entry_get: ndn: "uid=kkalev,ou=people,dc=ntua,dc=gr"
=> bdb_entry_get: oc: "(null)", at: "(null)"
bdb_dn2entry("uid=kkalev,ou=people,dc=ntua,dc=gr")
=> bdb_entry_get: found entry: "uid=kkalev,ou=people,dc=ntua,dc=gr"
bdb_entry_get: rc=0
==> constraint_violation uri filter = (&((cn=edupersonaffiliation-constraint))(|(description=testing123)))
str2filter "(&((cn=edupersonaffiliation-constraint))(|(description=testing123)))"
put_filter: "(&((cn=edupersonaffiliation-constraint))(|(description=testing123)))"
put_filter: AND
put_filter_list "((cn=edupersonaffiliation-constraint))(|(description=testing123))"
put_filter: "((cn=edupersonaffiliation-constraint))"
=> hdb_search
bdb_dn2entry("ou=constraints,dc=ntua,dc=gr")
=> hdb_dn2id("ou=constraints,dc=ntua,dc=gr")
<= hdb_dn2id: got id=0x7
entry_decode: ""
<= entry_decode()
=> access_allowed: search access to "ou=constraints,dc=ntua,dc=gr" "entry" requested
<= root access granted
=> access_allowed: search access granted by manage(=mwrscxd)
search_candidates: base="ou=constraints,dc=ntua,dc=gr" (0x00000007) scope=2
Assertion failed: (f != NULL), function oc_filter, file search.c, line 970.
Abort


Modify LDIF

dn: uid=kkalev,ou=people,dc=ntua,dc=gr
changetype: modify
add: edupersonaffiliation
edupersonaffiliation: testing123


slapd.conf line

constraint_attribute edupersonaffiliation uri "ldap:///ou=constraints,dc=ntua,dc=gr?description?sub?(cn=edupersonaffiliation-constraint)"

Constraint Entry:

dn: cn=edupersonaffiliation-constraint,ou=constraints,dc=ntua,dc=gr
objectClass: top
objectClass: applicationProcess
cn: edupersonaffiliation-constraint
description: faculty
description: student
description: staff
description: alum
description: member
description: affiliate
description: employee