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

Before you dig into reading this guide, have you tried asking OpsGPT what this log means? You’ll receive a customized analysis of your log.

Try OpsGPT now for step-by-step guidance and tailored insights into your Elasticsearch operation.

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.

For a complete solution to your to your search operation, try for free AutoOps for Elasticsearch & OpenSearch . With AutoOps and Opster’s proactive support, you don’t have to worry about your search operation – we take charge of it. Get improved performance & stability with less hardware.

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 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 {

 

How helpful was this guide?

We are sorry that this post was not useful for you!

Let us improve this post!

Tell us how we can improve this post?

Get expert answers on Elasticsearch/OpenSearch