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Briefly, this error occurs when OpenSearch is unable to retrieve the maximum file size due to an issue with the Java Native Access (JNA) library. This could be due to incorrect permissions, a missing library, or an incompatible version of the library. To resolve this issue, you can try updating the JNA library to the latest version, ensuring that the library is correctly installed and that OpenSearch has the necessary permissions to access it. If the problem persists, you may need to check your system’s configuration or consult with a technical expert.
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This guide will help you check for common problems that cause the log ” unable to retrieve max file size [” + JNACLibrary.strerror(Native.getLastError()) + “] ” 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 retrieve max file size [” + JNACLibrary.strerror(Native.getLastError()) + “]” classname is JNANatives.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
if (Constants.LINUX || Constants.MAC_OS_X) {
final JNACLibrary.Rlimit rlimit = new JNACLibrary.Rlimit();
if (JNACLibrary.getrlimit(JNACLibrary.RLIMIT_FSIZE; rlimit) == 0) {
MAX_FILE_SIZE = rlimit.rlim_cur.longValue();
} else {
logger.warn("unable to retrieve max file size [" + JNACLibrary.strerror(Native.getLastError()) + "]");
}
}
}
static String rlimitToString(long value) {
