Failed to execute – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 2.3-2.3

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Briefly, this error occurs when Elasticsearch is unable to execute a specific operation due to various reasons such as insufficient permissions, incorrect query syntax, or system resource limitations. To resolve this issue, you can check the Elasticsearch logs for more detailed error information. Ensure that the user has the necessary permissions to perform the operation. If it’s a query issue, verify the syntax and structure of your query. If it’s a resource issue, consider increasing system resources or optimizing your Elasticsearch configuration to better handle the workload.

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This guide will help you check for common problems that cause the log ” failed to execute [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: Index and Memory.

Log Context

Log “failed to execute [{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

    public void run() {
        try {
        } catch (Exception e) {
            logger.warn("failed to execute [{}]"; e; runnable.toString());


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