Could not parse watch status for expecting field to be an object – 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 the watch status due to incorrect data format. It expects an object for a specific field but is receiving a different data type. To resolve this issue, you can check the data being sent to ensure it matches the expected format. Also, verify the mapping of the index to ensure the field is defined as an object. If the error persists, consider reindexing the data with the correct format.

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This guide will help you check for common problems that cause the log ” could not parse watch status for [{}]. expecting field [{}] to be an object; ” 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 watch status for [{}]. expecting field [{}] to be an object;” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 ActionStatus actionStatus = ActionStatus.parse(watchId; currentFieldName; parser);
 actions.put(currentFieldName; actionStatus);
 } else {
 throw new ElasticsearchParseException("could not parse watch status for [{}]. expecting field [{}] to be an object; " +
 "found [{}] instead"; watchId; currentFieldName; token);
 } else if (Field.HEADERS.match(currentFieldName; parser.getDeprecationHandler())) {
 if (token == XContentParser.Token.START_OBJECT) {
 headers = parser.mapStrings();


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