Missing required setting – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-6.8

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Briefly, this error occurs when Elasticsearch is unable to find a necessary setting in its configuration. This could be due to a missing or incorrectly named setting in the elasticsearch.yml file. To resolve this issue, you should first identify the missing setting from the error message. Then, locate the elasticsearch.yml file and add or correct the missing setting. Ensure that the syntax and naming conventions are correct. Finally, restart Elasticsearch for the changes to take effect.

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This guide will help you check for common problems that cause the log ” missing required setting ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index, plugin.

Log Context

Log “missing required setting” class name is IndexAuditTrail.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 Client initializeRemoteClient(Settings settings; Logger logger) {
 Settings clientSettings = REMOTE_CLIENT_SETTINGS.get(settings);
 List hosts = clientSettings.getAsList("hosts");
 if (hosts.isEmpty()) {
 throw new ElasticsearchException("missing required setting " +
 "[" + REMOTE_CLIENT_SETTINGS.getKey() + ".hosts] for remote audit log indexing");
 }  final int processors = EsExecutors.PROCESSORS_SETTING.get(settings);
 if (EsExecutors.PROCESSORS_SETTING.exists(clientSettings)) {

 

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