Error Contacting Conversation Service
Last updated on APRIL 10, 2017
Applies to:Oracle Endeca Server - Version 7.7.0 and later
Information in this document applies to any platform.
On : 7.7.0 version, Performance
Error contacting Conversation Service
Connection issues to the dgraph are occurring sporadically. Apparently, the domain appears to be dormant. The first few queries result in exceptions as the dgraph is refusing them while dormant. After some time, the domain accepts queries again, but users are noticing front end instability with the applications becoming unavailable.
Errors noted in logs:
(1) Fatal error detected in dgraph.exe
(2) Exchange 4 returned "500 Internal Server Error": (Exception occurred at admin.xq:210:2-210:53: endeca-err:EXTF0001 : exception encountered while executing external function 'mdex:appoint-leader', caused by Tried to promote to leader, but another leader exists for index 'INDEX_VOLUME'
The issue can be reproduced at will with the out of box/GA release of Endeca Server 7.7.0
This is causing random outages of the applications resulting in users unable to see up-to-date data.
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