+ NAME + no join field found for index ” + indexName + ” – How to solve this Elasticsearch error

+ NAME + no join field found for index ” + indexName + ” – 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 found for index ” + indexName + ” ” 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, query and index.

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 found for index [” + indexName + “]”classname  is ParentIdQueryBuilder.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

if (joinFieldMapper == null) {
  if (ignoreUnmapped) {
  return new MatchNoDocsQuery();
  } else {
  final String indexName = context.getIndexSettings().getIndex().getName();
  throw new QueryShardException(context; "[" + NAME + "] no join field found for index [" + indexName + "]");
  }
  }
  final ParentIdFieldMapper childMapper = joinFieldMapper.getParentIdFieldMapper(type; false);
  if (childMapper == null) {
  if (ignoreUnmapped) {

 

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

Analyze your cluster