Failed to load settings – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch is unable to load the settings file due to issues like incorrect file path, incorrect file format, or insufficient file permissions. To resolve this, ensure the settings file is in the correct path and in the right format (usually YAML or JSON). Also, check the file permissions to ensure Elasticsearch has the necessary read permissions. If the settings file is large, it might be corrupted; try to validate it or replace it with a backup.

This guide will help you check for common problems that cause the log ” Failed to load settings ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: settings, plugins.

Log Context

Log “Failed to load settings” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 final Settings customSettings;
 try {
 customSettings = Settings.builder().loadFromPath(customSettingsYamlFile).build();
 assert customSettings != null;
 } catch (IOException e) {
 throw new ElasticsearchException("Failed to load settings"; e);
 }  this.simple = SIMPLE_SETTING.get(customSettings);
 this.bool = BOOLEAN_SETTING.get(customSettings);
 this.validated = VALIDATED_SETTING.get(customSettings);


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