Error updating template change getKey – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.3-8.9

Briefly, this error occurs when there’s an issue updating a template in Elasticsearch, specifically when retrieving the key. This could be due to incorrect syntax, a non-existent key, or insufficient permissions. To resolve this, ensure the key exists and is correctly spelled. Check the syntax of your update command. Also, verify that the user has the necessary permissions to update the template. If the problem persists, consider debugging to identify any underlying issues.

This guide will help you check for common problems that cause the log ” Error updating template [” + change.getKey() + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: metadata, template, cluster.

Log Context

Log “Error updating template [” + change.getKey() + “]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :


                public void onFailure(Exception e) {
                    logger.warn(() -> "Error updating template [" + change.getKey() + "]"; e);