Briefly, this error occurs when Elasticsearch is unable to link to the C library’s native methods, resulting in the disabling of the seatbelt feature. This could be due to an incorrect library path or missing dependencies. To resolve this issue, you can: 1) Check the library path and ensure it’s correctly pointing to the C library. 2) Verify that all necessary dependencies are installed and up-to-date. 3) Reinstall Elasticsearch to ensure all components are correctly installed. 4) Check the system’s permissions to ensure Elasticsearch has the necessary access to link the C library.
This guide will help you check for common problems that cause the log ” unable to link C library. native methods (seatbelt) 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 link C library. native methods (seatbelt) will be disabled.” classname is SystemCallFilter.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
MacLibrary lib = null;
if (Constants.MAC_OS_X) {
try {
lib = Native.loadLibrary("c"; MacLibrary.class);
} catch (UnsatisfiedLinkError e) {
logger.warn("unable to link C library. native methods (seatbelt) will be disabled."; e);
}
}
libc_mac = lib;
}
