How To Solve Issues Related to Log – Cannot install system call filter because JNA is not available

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Troubleshooting background

To troubleshoot Elasticsearch log “Cannot install system call filter because JNA is not available” it’s important to know common problems related to Elasticsearch concepts: bootstrap, filter. See below-detailed explanations complete with common problems, examples and useful tips.

To help troubleshoot related issues we have gathered selected Q&A from the community and issues from Github , please review the following for further information :

1. Unable to load JNA native support library Elasticsearch 6.x – Stats : ♥ 5.82 K  Ι √ 6

2. Issue With Search In Bitbucket Data      

Log Context

Log ”Cannot install system call filter because JNA is not available” classname is
We have extracted the following from Elasticsearch source code to get an in-depth context :

         return JNANatives.LOCAL_MLOCKALL;

    static void tryInstallSystemCallFilter(Path tmpFile) {
        if (!JNA_AVAILABLE) {
            logger.warn("cannot install system call filter because JNA is not available");

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