Log Unable to link C library. native methods mlockall will be disabled. – How To Solve Related Issues



Log 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 read this guide, we recommend you run the Elasticsearch Error Check-Up which detects issues in ES that cause log errors. It’s a free tool that requires no installation and takes 2 minutes to complete.

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. Among the dozens of checks included are: shards sizes, thread pools, management queue size, search errors, circuit breakers and many more (join over 700 users who use this free tool).

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);







Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 index names on MS Windows not accepted, Linux OK -views 0.09 K ,score –

2 Unable To Link C Library Native Met






Optimize Elasticsearch Performance

Try The Tool