Unable to link C library native methods priv set will be disabled – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch is unable to link to the C library’s native methods, which results in the disabling of the ‘priv set’. This could be due to incorrect library paths or missing dependencies. To resolve this issue, you can: 1) Ensure that the correct library paths are set in your environment variables. 2) Check if all necessary dependencies are installed and up-to-date. 3) Reinstall Elasticsearch to ensure all components are correctly installed. 4) If you’re using a custom build, ensure it’s correctly configured to link to the C library.

This guide will help you check for common problems that cause the log ” unable to link C library. native methods (priv_set) will be disabled. ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: bootstrap.

Log Context

Log “unable to link C library. native methods (priv_set) will be disabled.” classname is SystemCallFilter.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        SolarisLibrary lib = null;
        if (Constants.SUN_OS) {
            try {
                lib = Native.loadLibrary("c"; SolarisLibrary.class);
            } catch (UnsatisfiedLinkError e) {
                logger.warn("unable to link C library. native methods (priv_set) will be disabled."; e);
        libc_solaris = lib;


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