Failed to index ml configuration itemResponse getFailure getId – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-7.15

Briefly, this error occurs when Elasticsearch fails to index a machine learning (ml) configuration item due to issues like insufficient permissions, incorrect configuration, or network connectivity problems. To resolve this, you can check and adjust the user permissions, verify the ml configuration settings, or troubleshoot the network connection. Additionally, ensure that the Elasticsearch cluster is running and the ml module is properly installed and enabled.

This guide will help you check for common problems that cause the log ” failed to index ml configuration [” + itemResponse.getFailure().getId() + “]; ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index, plugin, response.

Log Context

Log “failed to index ml configuration [” + itemResponse.getFailure().getId() + “]; ” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        for (BulkItemResponse itemResponse : response.getItems()) {
            if (itemResponse.isFailed()) {
                BulkItemResponse.Failure failure = itemResponse.getFailure();
      "failed to index ml configuration [" + itemResponse.getFailure().getId() + "]; " +
            } else {
      "ml configuration [" + itemResponse.getId() + "] indexed");