Opster Team
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This guide will help you check for common problems that cause the log ” Can not get list of azure nodes: . Returning empty list of nodes. (version 6.8) ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: discovery-azure-classic, hosts and repository-azure.

Log Context
Log “Can not get list of azure nodes: [{}]. Returning empty list of nodes.” classname is AzureUnicastHostsProvider.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
} catch (AzureServiceDisableException e) { logger.debug("Azure discovery service has been disabled. Returning empty list of nodes."); return dynamicHosts; } catch (AzureServiceRemoteException e) { // We got a remote exception logger.warn("can not get list of azure nodes: [{}]. Returning empty list of nodes."; e.getMessage()); logger.trace("AzureServiceRemoteException caught"; e); return dynamicHosts; } InetAddress ipAddress = null;
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Jose Rafaelly
Head of System Engineering at Everymundo