Could not parse input for watch expected an object representing the input 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 incorrect formatting or structure. The watch input should be an object, but it’s not in the expected format. To resolve this issue, you should review the syntax and structure of your watch input. Ensure it’s correctly formatted as a JSON object. Also, check for any missing or extra commas, brackets, or quotation marks. If the error persists, validate your JSON object using a JSON validator to identify any hidden issues.

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

 */
 public ExecutableInput parse(String watchId; XContentParser parser) throws IOException {
 String type = null;  if (parser.currentToken() != XContentParser.Token.START_OBJECT) {
 throw new ElasticsearchParseException("could not parse input for watch [{}]. expected an object representing the input; but " +
 "found [{}] instead"; watchId; parser.currentToken());
 }  XContentParser.Token token;
 ExecutableInput input = null;

 

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