Could not parse input for watch expected field indicating the input type but – 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 input for a watch due to a missing field indicating the input type. This is usually caused by a malformed or incomplete watch definition. To resolve this issue, you should review your watch definition and ensure that it includes all required fields, especially the input type. You can also validate your watch definition against the Elasticsearch watch API documentation to ensure it’s correctly formatted. If the error persists, consider using a pre-built watch template as a starting point.

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

 "but found [{}] instead"; watchId; type; token);
 }
 }  if (input == null) {
 throw new ElasticsearchParseException("could not parse input for watch [{}]. expected field indicating the input type; but " +
 "found an empty object instead"; watchId; token);
 }  return input;
 }

 

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