Query_string analyzer ” + analyzer + ” not found – 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 Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” query_string analyzer ” + analyzer + ” not found ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: query and index.

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 “[query_string] analyzer [” + analyzer + “] not found”classname  is QueryStringQueryBuilder.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

} 
 if (analyzer != null) {
 NamedAnalyzer namedAnalyzer = context.getIndexAnalyzers().get(analyzer);
 if (namedAnalyzer == null) {
 throw new QueryShardException(context; "[query_string] analyzer [" + analyzer + "] not found");
 }
 queryParser.setForceAnalyzer(namedAnalyzer);
 } 
 if (quoteAnalyzer != null) {

 

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