Opster Team
Before you begin reading this guide, we recommend you try running the Elasticsearch 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. To understand the issues related to this log, read the explanation below about the following 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 to analyze Elasticsearch configuration and help resolve this error.
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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Jose Rafaelly
Head of System Engineering at Everymundo