Error processing operator settings json file – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.4-8.7

Briefly, this error occurs when Elasticsearch is unable to process the operator settings JSON file due to issues like incorrect file format, syntax errors, or file corruption. To resolve this, you can validate the JSON file using a JSON validator to check for syntax errors. If the file is corrupted, restore it from a backup. If the file format is incorrect, ensure it is in the correct JSON format. Also, check the file permissions to ensure Elasticsearch has the necessary read permissions.

This guide will help you check for common problems that cause the log ” Error processing operator settings json file ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: settings.

Log Context

Log “Error processing operator settings json file” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            for (var listener : eventListeners) {
        } catch (ExecutionException e) {
            logger.error("Error processing operator settings json file"; e.getCause());

    synchronized void stopWatcher() {
        if (watching()) {


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