Could not parse inline template – How to solve this Elasticsearch error

Could not parse inline template – 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 Error 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 inline template ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: template and mustache.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

Log”Could not parse inline template”classname  is SearchTemplateRequest.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

if (parser.currentToken() == XContentParser.Token.START_OBJECT) {
  //convert the template to json which is the only supported XContentType (see CustomMustacheFactory#createEncoder)
  try (XContentBuilder builder = XContentFactory.jsonBuilder()) {
  request.setScript(Strings.toString(builder.copyCurrentStructure(parser)));
  } catch (IOException e) {
  throw new ParsingException(parser.getTokenLocation(); "Could not parse inline template"; e);
  }
  } else {
  request.setScript(parser.text());
  }
  }; SOURCE_FIELD; ObjectParser.ValueType.OBJECT_OR_STRING);

Run the Check-Up to get a customized report like this:

check-up-dashboard illustration

Try The Tool