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2716665 - ERS fails to connect with Standalone Enqueue Server (ENSA)

Symptom

You see that Enqueue replication server (ERS) is not connecting with Standalone Enqueue Server (ENSA) even though the profile parameters enque/serverhost and enque/serverinst (or enque/encni/repl_port) specify the right connection data to ENSA.

You can see below information in the trace file dev_enqrepl under ASCS/SCS (ENSA) work directory:

[Thr 140388031239232] Connect received, but already connected

[Thr 140388031239232] Connect from host <hostname>

You can see error as below in the trace file dev_enrepsrv available in ERS work directory:

[Thr 139899880748864] Fri Nov 2 17:38:22 2018
[Thr 139899880748864] EnqStandalone: Enqueue Server 2 is not configured
[Thr 139899880748864] Replication server start with instance number 03
[Thr 139899880748864] Enqueue server on host <hostname>, IP-addr <IP address>, port 5<instance_number>16
[Thr 139899880748864] ***LOG Q0I=> NiIRead: P=<IP address>:5<instance_number>16; L=<IP address>:<port>: recv (104: Connection reset by peer) [/bas/753_REL/src/base/ni/nixxi.cpp 5430]
[Thr 139899880748864] *** ERROR => NiIRead: SiRecv failed for hdl 1/sock 9
(SI_ECONN_BROKEN/104; I4; ST; P=<IP address>:5<instance_number>16; L=<IP address>:<port>) [nixxi.cpp 5430]
[Thr 139899880748864] *** ERROR => RepServer: main: no connection to Enqueue Server (rc=-3; ENC_ERR_PROTO) => try again in 400 ms (see SAP note 1943531) [enrepserv.cp 833]
[Thr 139899880748864] ***LOG Q0I=> NiIRead: P=<IP address>:5<instance_number>16; L=<IP address>:<port>: recv (104: Connection reset by peer) [/bas/753_REL/src/base/ni/nixxi.cpp 5430


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Environment

SAP Netweaver with ERS and ENSA running.

Keywords

doesn't connect, enserver, enrepserver, fail, ERS not working, High Availability, failover, replication , KBA , BC-CST-EQ , Enqueue , Problem

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