Briefly, this error occurs when Elasticsearch cannot access the specified path due to issues like incorrect path configuration, insufficient permissions, or disk space issues. To resolve this, you can verify the path in the Elasticsearch configuration file, ensure the Elasticsearch process has the necessary permissions to access the path, or check if there’s enough disk space available. If the path is on a network drive, ensure the network connection is stable.
This guide will help you check for common problems that cause the log ” health check of [” + path + “] failed ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: monitor.
Log Context
Log “health check of [” + path + “] failed” classname is FsHealthService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
slowPathLoggingThreshold
);
}
}
} catch (Exception ex) {
logger.error(() -> "health check of [" + path + "] failed"; ex);
if (currentUnhealthyPaths == null) {
currentUnhealthyPaths = Sets.newHashSetWithExpectedSize(1);
}
currentUnhealthyPaths.add(path);
}
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