Could not parse input for watch missing required field – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.15

Briefly, this error occurs when Elasticsearch is unable to parse the input for a watch due to a missing required field. This usually happens when the watch definition is incorrect or incomplete. To resolve this issue, you should first identify the missing field in the error message. Then, you need to add the missing field to the watch definition. Make sure that the field is correctly formatted and contains valid data. If the problem persists, check the Elasticsearch documentation for the correct structure and format of a watch definition.

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

 }  if (request == null) {
 throw new ElasticsearchParseException("could not parse [{}] input for watch [{}]. missing required [{}] field"; TYPE;
 watchId; Field.REQUEST.getPreferredName());
 return new SearchInput(request; extract; timeout; dynamicNameTimeZone);


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