+ NAME + no join field has been configured – Elasticsearch Error How To Solve Related Issues



+ NAME + no join field has been configured – Elasticsearch Error How To Solve Related Issues

Opster Team

July-20, Version: 1.7-8.0

 

Before you read this guide, we recommend you run the Elasticsearch Error Check-Up which detects issues in ES causing log errors (free tool that requires no installation). 

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, 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 discover the cause of many errors and provides suitable actionable recommendations how to resolve them (join over 700 users who use this free tool).

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) {

 





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