Briefly, this error occurs when Elasticsearch cannot load the Java Native Access (JNA) library, which is essential for certain native operations. This could be due to incorrect permissions, missing JNA library, or an incompatible Java version. To resolve this, ensure that the JNA library is present and the Java version is compatible with Elasticsearch. Also, check the permissions of the Elasticsearch installation directory to ensure it has the necessary access rights. If the problem persists, consider reinstalling Elasticsearch or updating the JNA library.
This guide will help you check for common problems that cause the log ” unable to load JNA native support library; native methods will be disabled. ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: bootstrap.
Log Context
Log “unable to load JNA native support library; native methods will be disabled.” classname is Natives.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
Class.forName("com.sun.jna.Native");
v = true;
} catch (ClassNotFoundException e) {
logger.warn("JNA not found. native methods will be disabled."; e);
} catch (UnsatisfiedLinkError e) {
logger.warn("unable to load JNA native support library; native methods will be disabled."; e);
}
JNA_AVAILABLE = v;
}
static void tryMlockall() {
