Unable to link C library. native methods mlockall will be disabled. – How to solve related issues

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Unable to link C library. native methods mlockall will be disabled. – 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 ” Unable to link C library. native methods mlockall will be disabled. ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: bootstrap.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

{{mpg_logstarted}}

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

 
    static {
        try {
            Native.register("c");
        } catch (UnsatisfiedLinkError e) {
            logger.warn("unable to link C library. native methods (mlockall) will be disabled."; e);
        }
    }

    static native int mlockall(int flags);





 

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