Error adding watcher template – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-7.1

Briefly, this error occurs when there’s an issue adding a watcher template in Elasticsearch. This could be due to incorrect syntax, insufficient permissions, or a non-existent index. To resolve this, ensure the syntax of the watcher template is correct. Check if the user has the necessary permissions to add a watcher template. Also, verify if the index you’re trying to add the watcher to exists. If not, create the index first before adding the watcher template.

In addition we recommend you run the Elasticsearch Template Optimizer to fix problems in your data modeling.

It will analyze your templates to detect issues and improve search performance, reduce indexing bottlenecks and optimize storage utilization. The Template Optimizer is free and requires no installation.

Log Context

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


                        public void onFailure(Exception e) {
                            logger.error(new ParameterizedMessage("Error adding watcher template [{}]"; templateName); e);
                    }; client.admin().indices()::putTemplate);


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