LDAP query problem with v.2.7.0

[BSD osnet.eu]

Hi,

I am having problem using LDAP with v.2.7.0

We have two hosts running as mail GW and one of them has been updated 
to v.2.7.0 and since that time we have this kind of messages :




Nov 16 14:56:27 ns3 amavis[4424]: (04424-01) extra modules loaded: 
unicore/lib/gc_sc/Alnum.pl, unicore/lib/gc_sc/Alpha.pl, 
unicore/lib/gc_sc/Digit.pl, unicore/lib/gc_sc/SpacePer.pl
Nov 16 14:56:27 ns3 amavis[4427]: (04427-01) extra modules loaded: 
unicore/lib/gc_sc/Alnum.pl, unicore/lib/gc_sc/Alpha.pl, 
unicore/lib/gc_sc/Digit.pl, unicore/lib/gc_sc/SpacePer.pl
Nov 16 14:56:48 ns3 amavis[4408]: (04408-02) (!)lookup_ldap: do_search: 
failed: LDAP_OPERATIONS_ERROR
Nov 16 14:56:48 ns3 amavis[4408]: (04408-02) (!!)TROUBLE in 
process_request: do_search: failed: LDAP_OPERATIONS_ERROR at (eval 116) 
line 532, <GEN22> line 277.
Nov 16 14:56:48 ns3 amavis[4408]: (04408-02) (!)Requesting process 
rundown after fatal error
Nov 16 14:56:54 ns3 amavis[4409]: (04409-02) (!)lookup_ldap: do_search: 
failed: LDAP_OPERATIONS_ERROR
Nov 16 14:56:54 ns3 amavis[4409]: (04409-02) (!!)TROUBLE in 
process_request: do_search: failed: LDAP_OPERATIONS_ERROR at (eval 116) 
line 532, <GEN22> line 452.
Nov 16 14:56:54 ns3 amavis[4409]: (04409-02) (!)Requesting process 
rundown after fatal error
Nov 16 14:56:57 ns3 amavis[4411]: (04411-02) (!)lookup_ldap: do_search: 
failed: LDAP_OPERATIONS_ERROR
Nov 16 14:56:57 ns3 amavis[4411]: (04411-02) (!!)TROUBLE in 
process_request: do_search: failed: LDAP_OPERATIONS_ERROR at (eval 116) 
line 532, <GEN22> line 193.
Nov 16 14:56:57 ns3 amavis[4411]: (04411-02) (!)Requesting process 
rundown after fatal error




Some LDAP querries are handled correctly… but one out of 5 I have this 
kind of problem…


Any idea ??


G.B.



Thanks for your help.