Upgrading component template for from version to version – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.9-7.15

Briefly, this error occurs when there is an attempt to upgrade a component template in Elasticsearch from one version to another, but the version details are not specified or are incorrect. To resolve this issue, ensure that the correct version numbers are provided during the upgrade process. Also, verify that the component template exists and is compatible with the version you are upgrading to. Lastly, check for any syntax errors in your upgrade command.

This guide will help you check for common problems that cause the log ” upgrading component template [{}] for [{}] from version [{}] to version [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: template, plugin, version.

Log Context

Log “upgrading component template [{}] for [{}] from version [{}] to version [{}]” classname is IndexTemplateRegistry.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                    logger.debug("adding component template [{}] for [{}]; because it doesn't exist"; templateName; getOrigin());
                    putComponentTemplate(newTemplate; creationCheck);
                } else if (Objects.isNull(currentTemplate.version()) || newTemplate.getVersion() > currentTemplate.version()) {
                    // IndexTemplateConfig now enforces templates contain a `version` property; so if the template doesn't have one we can
                    // safely assume it's an old version of the template.
                    logger.info("upgrading component template [{}] for [{}] from version [{}] to version [{}]";
                        templateName; getOrigin(); currentTemplate.version(); newTemplate.getVersion());
                    putComponentTemplate(newTemplate; creationCheck);
                } else {
                    logger.trace("not adding component template [{}] for [{}]; because it already exists at version [{}]";


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