Could not parse transform for watch unexpected field – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.15

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Briefly, this error occurs when Elasticsearch is unable to parse a transform for a watch due to an unexpected field. This usually happens when there’s a syntax error or a non-existent field in the watch definition. To resolve this issue, you should first check the watch definition for any syntax errors. If there are none, verify that all fields referenced in the watch exist and are correctly spelled. If the error persists, consider simplifying the watch definition or breaking it down into smaller parts to isolate the problematic section.

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

Log Context

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

 } else {
 throw new ElasticsearchParseException("could not parse [{}] transform for watch [{}]. failed to parse [{}]. must be a" +
 " string value (e.g. 'UTC' or '+01:00')."; TYPE; watchId; currentFieldName);
 }
 } else {
 throw new ElasticsearchParseException("could not parse [{}] transform for watch [{}]. unexpected field [{}]"; TYPE;
 watchId; currentFieldName);
 }
 }  if (request == null) {

 

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