Could not parse http request template. could not parse value for field – 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 http request template. could not parse value for field ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: request, template and 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 http request template. could not parse value for [{}] field”classname  is HttpRequestTemplate.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

private static TextTemplate parseFieldTemplate(String field; XContentParser parser) throws IOException {
 try {
 return TextTemplate.parse(parser);
 } catch (ElasticsearchParseException pe) {
 throw new ElasticsearchParseException("could not parse http request template. could not parse value for [{}] field"; pe;
 field);
 }
 } 
 private static Map parseFieldTemplates(String field; XContentParser parser) throws IOException {

 

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