Settings update not acknowledged in step getKey toString – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.12-8.6

Briefly, this error occurs when Elasticsearch fails to acknowledge a settings update during a specific step. This could be due to network issues, node failures, or the cluster being overwhelmed. To resolve this, you can try the following: 1) Check the cluster’s health and ensure all nodes are functioning properly. 2) Verify network connectivity between nodes. 3) Reduce the load on the cluster by optimizing queries or increasing resources. 4) Retry the settings update after some time. Always ensure your cluster is properly monitored to prevent such issues.

This guide will help you check for common problems that cause the log ” settings update not acknowledged in step [” + getKey().toString() + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, settings.

Log Context

Log “settings update not acknowledged in step [” + getKey().toString() + “]” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 getClient().admin().indices().updateSettings(updateSettingsRequest; ActionListener.wrap(response -> {
 if (response.isAcknowledged()) {
 } else {
 listener.onFailure(new ElasticsearchException("settings update not acknowledged in step [" + getKey().toString() + "]"));
 }; listener::onFailure));
 }  @Override