Cannot check if running as root because JNA is not available – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when OpenSearch is unable to access Java Native Access (JNA), a critical library for Java applications to interact with native applications. This could be due to missing or incorrectly installed JNA. To resolve this, ensure that JNA is properly installed and accessible by OpenSearch. If it’s installed, check the file permissions and paths. If the problem persists, reinstalling JNA might be necessary. Also, ensure that OpenSearch is not running as root, as it’s a security risk and not recommended.

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This guide will help you check for common problems that cause the log ” cannot check if running as root because JNA is not available ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: bootstrap.

Log Context

Log “cannot check if running as root because JNA is not available” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :


    static boolean definitelyRunningAsRoot() {
        if (!JNA_AVAILABLE) {
            logger.warn("cannot check if running as root because JNA is not available");
            return false;
        return JNANatives.definitelyRunningAsRoot();


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