OUD 11g - F5 Load Balancer May Lead to LDAP Result Message of "The Directory Server Is Currently In The Process Of Closing This Client Connection"

(Doc ID 2304352.1)

Last updated on SEPTEMBER 08, 2017

Applies to:

Oracle Unified Directory - Version 11.1.1.5.0 and later
Information in this document applies to any platform.

Symptoms

In a LDAP environment where a F5 load balancer routes LDAP traffic to multiple OUD instances, a result message of "The Directory Server is currently in the process of closing this client connection" may be observed in the OUD access logs, as exemplified by the logging snippet below...

[25/Aug/2017:17:14:16 +0100] CONNECT conn=578680 from=nnn.nnn.nnn.nnn:51298 to=nnn.nnn.nnn.nnn:1389 protocol=LDAP
[25/Aug/2017:17:14:16 +0100] BIND REQ conn=578680 op=0 msgID=1 type=SIMPLE dn="uid=ckent,ou=people,dc=example,dc=com" version=3
[25/Aug/2017:17:14:16 +0100] BIND RES conn=578680 op=0 msgID=1 result=0 authDN="uid=ckent,ou=people,dc=example,dc=com" etime=1
[25/Aug/2017:17:14:16 +0100] SEARCH REQ conn=578680 op=1 msgID=2 base="ou=people,dc=example,dc=com" scope=sub filter="(uid=ckent)" attrs="ALL"
[25/Aug/2017:17:14:16 +0100] SEARCH RES conn=578680 op=1 msgID=2 result=0 nentries=1 etime=2
[25/Aug/2017:17:14:16 +0100] ABANDON REQ conn=578680 op=2 msgID=3 idToAbandon=2
[25/Aug/2017:17:14:16 +0100] ABANDON RES conn=578680 op=2 msgID=3 result=119 etime=0
[25/Aug/2017:17:14:16 +0100] UNBIND REQ conn=578680 op=3 msgID=4
[25/Aug/2017:17:14:16 +0100] BIND REQ conn=578680 op=4 msgID=1 type=SIMPLE dn="uid=ckent,ou=people,dc=example,dc=com" version=3
[25/Aug/2017:17:14:16 +0100] BIND RES conn=578680 op=4 msgID=1 result=53 message="The Directory Server is currently in the process of closing this client connection" etime=0
[25/Aug/2017:17:14:16 +0100] DISCONNECT conn=578680 reason="Client Unbind"

Cause

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