Replication Is Not Working: ACK's from the Consumer Missing and The Master Timeouts the Replication Connections (Doc ID 1298431.1)

Last updated on SEPTEMBER 16, 2016

Applies to:

Oracle Directory Server Enterprise Edition - Version 5.1 and later
Information in this document applies to any platform.
***Checked for relevance on 05-Mar-2014***

Symptoms

After reinitializing a set of Consumers which were being replicated to over a WAN, the Customer noted that the number of Pending Changes reported by the command:

# dsconf show-repl-agmt-status <options> <suffix_name> <host>:<port>


started to increase.
The following type of errors were seen in the Master error log:

[09/Feb/2011:13:59:58 -0500] - ERROR<8320> - Repl. Transport - conn=-1 op=-1 msgId=-1 - [S] End Failed with response: Consumer acks are missing (825)
[09/Feb/2011:13:59:58 -0500] - WARNING<10252> - Incremental Protocol - conn=-1 op=-1 msgId=-1 - Failed to end the current replication session [Consumer2:1389]
[09/Feb/2011:13:59:58 -0500] - WARNING<10306> - Incremental Protocol - conn=-1 op=-1 msgId=-1 - Incremental update session aborted : Timeout while waiting for change acknowledgement [Consumer2:1389]
[09/Feb/2011:13:59:58 -0500] - INFORMATION - Repl. Transport - conn=-1 op=-1 msgId=-1 - [S] Unbind an active session Consumer2:1389/<SUFFIX_NAME>?


At the same time, on Consumer error log:

[09/Feb/2011:13:59:59 -0500] - ERROR<8324> - Replication - conn=-1 op=-1 msgId=-1 - [C] Consumer detected a connection timeout and decided to close it after 323 sec of idle time.
[...]
[09/Feb/2011:14:21:25 -0500] - ERROR<8324> - Replication - conn=-1 op=-1 msgId=-1 - [C] Consumer has already detected 5 connections timeout and decides now to ignore them.

Changes

The Customer noted a set of Network or Firewall changes had recently been enacted.

Cause

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