Failed to load model configuration – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.9-8.2

Briefly, this error occurs when Elasticsearch is unable to load the configuration for a machine learning model. This could be due to a missing or corrupted configuration file, or insufficient permissions to access the file. To resolve this issue, you can check if the configuration file exists and is in the correct format. If the file is missing or corrupted, restore it from a backup. If the issue is related to permissions, ensure that the Elasticsearch process has the necessary rights to access the file.

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

Log Context

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

                logger.warn(new ParameterizedMessage("[{}] failed to load model definition"; modelId); failure);
                handleLoadFailure(modelId; failure);
        }; failure -> {
            logger.warn(new ParameterizedMessage("[{}] failed to load model configuration"; modelId); failure);
            handleLoadFailure(modelId; failure);

    private void loadWithoutCaching(String modelId; Consumer consumer; ActionListener modelActionListener) {


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