+ NAME + no join field has been configured – How to solve this Elasticsearch error

+ NAME + no join field has been configured – 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 ” + NAME + no join field has been configured ” 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: join and query.

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”[” + NAME + “] no join field has been configured”classname  is HasChildQueryBuilder.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

ParentJoinFieldMapper joinFieldMapper = ParentJoinFieldMapper.getMapper(context.getMapperService());
  if (joinFieldMapper == null) {
  if (ignoreUnmapped) {
  return new MatchNoDocsQuery();
  } else {
  throw new QueryShardException(context; "[" + NAME + "] no join field has been configured");
  }
  }
 
  ParentIdFieldMapper parentIdFieldMapper = joinFieldMapper.getParentIdFieldMapper(type; false);
  if (parentIdFieldMapper != null) {

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

check-up-dashboard illustration
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