Ml configuration – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.6-7.6

Briefly, this error occurs when there is a problem with the configuration of the Machine Learning (ML) feature in Elasticsearch. This could be due to incorrect settings, missing parameters, or incompatible versions. To resolve this issue, you can check the ML settings in the Elasticsearch configuration file and ensure they are correct. Also, verify that the version of Elasticsearch supports the ML feature. If the problem persists, consider resetting the ML configuration to its default settings. Lastly, ensure that the necessary resources for ML, like memory and CPU, are adequately provisioned.

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

Log Context

Log “ml configuration [” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 BulkItemResponse.Failure failure = itemResponse.getFailure();
      "failed to index ml configuration [" + itemResponse.getFailure().getId() + "]; " +
            } else {
      "ml configuration [" + itemResponse.getId() + "] indexed");
        return failedDocumentIds;


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