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Briefly, this error occurs when the Java Native Access (JNA) library is not available in your OpenSearch environment. JNA is essential for OpenSearch to interact with native system libraries. To resolve this issue, ensure that the JNA library is correctly installed and accessible by OpenSearch. You may need to check your Java environment and system paths. If the problem persists, consider reinstalling or updating your Java environment, or reconfiguring OpenSearch to correctly locate the JNA library.
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This guide will help you check for common problems that cause the log ” cannot register console handler because JNA is not available ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: handler, bootstrap.
Log Context
Log “cannot register console handler because JNA is not available” classname is Natives.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
return JNANatives.getShortPathName(path);
}
static void addConsoleCtrlHandler(ConsoleCtrlHandler handler) {
if (!JNA_AVAILABLE) {
logger.warn("cannot register console handler because JNA is not available");
return;
}
JNANatives.addConsoleCtrlHandler(handler);
}
