Error migrating ml configurations – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.

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

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

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


        mlConfigMigrator.migrateConfigs(event.state(); ActionListener.wrap(
                response -> threadPool.executor(executorName()).execute(() -> auditChangesToMlTasks(event));
                e -> {
                    logger.error("error migrating ml configurations"; e);
                    threadPool.executor(executorName()).execute(() -> auditChangesToMlTasks(event));


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