Error creating transform index template – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.7-7.11

Briefly, this error occurs when Elasticsearch fails to create a transform index template due to issues like insufficient permissions, incorrect template syntax, or a non-existent index. To resolve this, ensure that the user has the necessary permissions to create an index template. Also, verify the syntax of the index template to ensure it’s correct. If the index doesn’t exist, create it before attempting to create the template. Lastly, check the Elasticsearch logs for more specific error details to help in troubleshooting.

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

Log Context

Log “Error creating transform index template” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            } catch (IOException e) {
                logger.error("Error creating transform index template"; e);
            try {
                // Template upgraders are only ever called on the master nodes; so we can use the current node version as the compatibility
                // version here because we can be sure that this node; if elected master; will be compatible with itself.


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