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

Average Read Time

2 Mins

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. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: bootstrap.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

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);





 

Run the Check-Up to get customized insights on your system:

Analyze your cluster

Skip to content