Could not parse http request template could not parse value for field – 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 HTTP request template due to incorrect or invalid syntax in the field value. This could be due to a malformed JSON, incorrect data type, or a syntax error in the query. To resolve this issue, you should first validate your JSON format using a JSON validator. Next, ensure that the data types match the field mappings in your Elasticsearch index. Lastly, check your query syntax for any errors or inconsistencies.

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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: plugin, request, template.

Log Context

Log “could not parse http request template. could not parse value for [{}] field” class name is 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;
 }  private static Map parseFieldTemplates(String field; XContentParser parser) throws IOException {


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