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Briefly, this error occurs when OpenSearch is unable to load the Java Native Access (JNA) library, which is used for native support. This could be due to a missing or incompatible JNA version, or insufficient permissions. To resolve this, ensure that the JNA library is correctly installed and the version is compatible with your OpenSearch version. Also, check the permissions of the directory where the JNA library is located. If necessary, adjust the permissions to allow OpenSearch to access and load the library.
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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 OpenSearch 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 OpenSearch 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() {
