Search failed for models – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.8-7.15

Briefly, this error occurs when Elasticsearch is unable to execute a search query for specific models due to reasons like incorrect query syntax, unavailability of the models in the index, or connectivity issues with the Elasticsearch server. To resolve this, ensure the query syntax is correct and the models exist in the index. Also, check the Elasticsearch server’s health and connectivity. If the server is overloaded, consider optimizing your queries or scaling your Elasticsearch cluster.

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

Log Context

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

                        if (response.isFailure()) {
                            if (ExceptionsHelper.unwrapCause(response.getFailure()) instanceof ResourceNotFoundException) {
                            logger.error(new ParameterizedMessage("[{}] search failed for models";
                            listener.onFailure(ExceptionsHelper.serverError("Searching for stats for models [{}] failed";


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