How To Solve Issues Related to Log – Cannot virtual lock because JNA is not available

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Troubleshooting background

To troubleshoot Elasticsearch log “Cannot virtual lock because JNA is not available” it’s important to know common problems related to Elasticsearch concepts: bootstrap. 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 :

ElasticServer shuts down at random times throughout the day
stackoverflow.com/questions/45469742/elasticserver-shuts-down-at-random-times-throughout-the-day

Number of Views : 0.69 K  Score on Stackoverflow :

Va Lang Outofmemoryerror Unable To
stackoverflow.com/questions/16789288/java-lang-outofmemoryerror-unable-to-create-new-native-thread

 


Log Context

Log ”Cannot virtual lock because JNA is not available” classname is Natives.java
We have extracted the following from Elasticsearch source code to get an in-depth context :

         return JNANatives.definitelyRunningAsRoot();
    }

    static void tryVirtualLock() {
        if (!JNA_AVAILABLE) {
            logger.warn("cannot virtual lock because JNA is not available");
            return;
        }
        JNANatives.tryVirtualLock();
    }







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