Briefly, this error occurs when Elasticsearch is unable to retrieve the list of instances for a specific zone, possibly due to network issues, incorrect configuration, or access permissions. To resolve this, you can check your network connectivity, verify your configuration settings, and ensure that Elasticsearch has the necessary permissions to access the instance list. Additionally, check if the specified zone exists and is correctly spelled. If the problem persists, consider restarting your Elasticsearch cluster or contacting your service provider for further assistance.
This guide will help you check for common problems that cause the log ” Problem fetching instance list for zone ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugins, discovery-gce.
Log Context
Log “Problem fetching instance list for zone ” classname is GceInstancesServiceImpl.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
}
} while (nextPageToken != null);
return zoneInstances;
});
} catch (IOException e) {
logger.warn(() -> "Problem fetching instance list for zone " + zoneId; e);
logger.debug("Full exception:"; e);
// assist type inference
return Collections.emptyList();
}
}).reduce(new ArrayList(); (a; b) -> {
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