OID - Issues With Large Search Filters
(Doc ID 1074280.1)
Last updated on MARCH 16, 2021
Applies to:Oracle Internet Directory - Version 10.1.2 and later
Information in this document applies to any platform.
LDAP Error 53 - Function not implemented is received while searching LDAP, if the search has more than 256 Attribute Value Assertion elements (AVAs) in the search filter.
$ORACLE_HOME/bin/ldapsearch -D cn=orcladmin q -s sub -b "cn=users,dc=COMPANY,dc=com" "(| (uid=001) (uid=002)......(uid=257))"
ldap_search: DSA is unwilling to perform
ldap_search: additional info: Function Not Implemented
There is also a potential issue with the size of the filter string (> 12k) rather than the number of AVA elements.
See: <Note 739641.1> OIDLDAPD Server Process Repeatedly Crashing
In this case OID is crashing as reported in the above reference.
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