Briefly, this error occurs when Elasticsearch is unable to link to the C library, which is essential for certain native operations. This could be due to missing or incompatible library versions, or incorrect configuration. To resolve this issue, you can try reinstalling or updating the C library, ensuring it’s compatible with your Elasticsearch version. Alternatively, check your system’s PATH and library configurations to ensure Elasticsearch can access the C library. If the problem persists, consider seeking help from the Elasticsearch community or support team.
This guide will help you check for common problems that cause the log ” unable to link C library. native methods and handlers will be disabled. ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “unable to link C library. native methods and handlers will be disabled.” classname is LinuxFileSystemNatives.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
assert Constants.JRE_IS_64BIT : Constants.OS_ARCH;
try {
Native.register(XStatLibrary.class; Platform.C_LIBRARY_NAME);
logger.debug("C library loaded");
} catch (LinkageError e) {
logger.warn("unable to link C library. native methods and handlers will be disabled."; e);
throw e;
}
}
static LinuxFileSystemNatives getInstance() {
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