Could not parse input for watch . expected field indicating the input type; – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Check-Up which can resolve issues that cause many errors.

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; ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “could not parse input for watch [{}]. expected field indicating the input type;”classname  is InputRegistry.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

ExecutableInput input = null;
 while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
 if (token == XContentParser.Token.FIELD_NAME) {
 type = parser.currentName();
 } else if (type == null) {
 throw new ElasticsearchParseException("could not parse input for watch [{}]. expected field indicating the input type; " +
 "but found [{}] instead"; watchId; token);
 } else if (token == XContentParser.Token.START_OBJECT) {
 InputFactory factory = factories.get(type);
 if (factory == null) {
 throw new ElasticsearchParseException("could not parse input for watch [{}]. unknown input type [{}]"; watchId; type);

 

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