Could not parse condition for watch encountered – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-6.8

Briefly, this error occurs when Elasticsearch is unable to parse a condition for a watch. This is usually due to a syntax error or incorrect formatting in the watch definition. To resolve this issue, you should first check the watch definition for any syntax errors or incorrect formatting. If the error persists, try to simplify the condition to identify the problematic part. Also, ensure that the field you’re referencing in the condition exists and is correctly spelled. Lastly, check the Elasticsearch logs for more detailed error messages that can help identify the problem.

This guide will help you check for common problems that cause the log ” could not parse [{}] condition for watch [{}]. encountered ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “could not parse [{}] condition for watch [{}]. encountered” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 if (parser.currentName().equals("path")) {
 path = parser.text();
 } else {
 if (op != null) {
 throw new ElasticsearchParseException("could not parse [{}] condition for watch [{}]. encountered " +
 "duplicate comparison operator; but already saw [{}]."; TYPE; watchId; parser.currentName(); op
 try {
 op = Op.resolve(parser.currentName());


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