Cannot obtain short path for because JNA is not avilable – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 5.5-5.5

Briefly, this error occurs when Elasticsearch is unable to access the Java Native Access (JNA) library, which is essential for certain operations. This could be due to incorrect installation, missing JNA library, or insufficient permissions. To resolve this, ensure that Elasticsearch is correctly installed and the JNA library is present in the classpath. If the issue persists, check the permissions of the Elasticsearch process. It should have sufficient rights to access the JNA library. Also, ensure that the JNA library is compatible with your version of Elasticsearch.

This guide will help you check for common problems that cause the log ” cannot obtain short path for [{}] because JNA is not avilable ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: bootstrap.

Log Context

Log “cannot obtain short path for [{}] because JNA is not avilable” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

param path the path
return the short path name (or the original path if getting the short path name fails for any reason)
    static String getShortPathName(final String path) {
        if (!JNA_AVAILABLE) {
            logger.warn("cannot obtain short path for [{}] because JNA is not avilable"; path);
            return path;
        return JNANatives.getShortPathName(path);


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