Briefly, this error occurs when Elasticsearch fails to send a notification to systemd, a system and service manager for Linux, about its status. This could be due to incorrect configuration or issues with the systemd itself. To resolve this, you can check the Elasticsearch service configuration file for any errors and correct them. Also, ensure that the systemd is functioning properly. If the issue persists, you may need to reinstall or update your Elasticsearch or systemd.
This guide will help you check for common problems that cause the log ” sd_notify returned error [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “sd_notify returned error [{}]” classname is SystemdPlugin.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
return;
}
final int rc = sd_notify(0; "STOPPING=1");
if (rc
