ModelId failed to load model configuration – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.3-8.9

Briefly, this error occurs when Elasticsearch’s machine learning feature fails to load a specific model configuration, identified by the ModelId. This could be due to a missing or corrupted model configuration file, or insufficient permissions to access the file. To resolve this issue, you can try the following: 1) Verify the existence and integrity of the model configuration file. 2) Check and adjust the file permissions if necessary. 3) If the model configuration file is corrupted, restore it from a backup. 4) If the model is not needed, consider deleting it to avoid the error.

This guide will help you check for common problems that cause the log ” [” + modelId + “] 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 “[” + modelId + “] failed to load model configuration” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

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

    private void loadWithoutCaching(


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