Adding component template – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.7-7.7

Briefly, this error occurs when there’s an issue with adding a component template in Elasticsearch. This could be due to incorrect syntax, missing fields, or a conflict with an existing template. To resolve this, ensure the template syntax is correct and all required fields are included. If the error persists, check if a template with the same name already exists. If so, you may need to delete or modify the existing template before adding a new one.

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

Log Context

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

        if(mappings != null) {
            mappingsArray = XContentHelper.convertToMap(XContentType.JSON.xContent(); mappings.string(); true);
        validateTemplate(template.template().settings(); Collections.singletonMap("_doc"; mappingsArray); indicesService);"adding component template [{}]"; name);
        return ClusterState.builder(currentState)
            .metaData(MetaData.builder(currentState.metaData()).put(name; template))


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