Aborting health node task due to – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.4-8.9

Briefly, this error occurs when Elasticsearch cancels a health node task due to a long delay or a timeout. This could be due to heavy load, insufficient resources, or network issues. To resolve this, you can increase the timeout settings, optimize your queries to reduce load, or scale up your Elasticsearch cluster to provide more resources. Additionally, check your network connectivity to ensure there are no interruptions.

This guide will help you check for common problems that cause the log ” Aborting health node task due to {}. ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: task, node.

Log Context

Log “Aborting health node task due to {}.” classname is HealthNodeTaskExecutor.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

    // visible for testing
    void abortTaskIfApplicable(String reason) {
        HealthNode task = currentTask.get();
        if (task != null && task.isCancelled() == false) {
            logger.info("Aborting health node task due to {}."; reason);


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