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Briefly, this error occurs when Elasticsearch is unable to notify a listener about changes to a file. This could be due to insufficient permissions, a network issue, or a problem with the file system. To resolve this issue, you can try the following: 1) Check and adjust the file permissions to ensure Elasticsearch has the necessary access. 2) Investigate potential network issues that may be preventing the notification. 3) Check the file system for errors and fix them if necessary. 4) Restart the Elasticsearch service to clear any temporary issues.
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This guide will help you check for common problems that cause the log ” cannot notify file changes listener ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “cannot notify file changes listener” classname is FileWatcher.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
listener.onFileInit(path);
} else {
listener.onFileCreated(path);
}
} catch (Exception e) {
logger.warn("cannot notify file changes listener"; e);
}
}
}
private void onFileDeleted() {
