SimpleQueryStringBuilder NAME analyzer – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.15

Briefly, this error occurs when the analyzer specified in the SimpleQueryStringBuilder is not found in the Elasticsearch configuration. The analyzer is used to process text before it’s indexed or searched. To resolve this issue, you can either use a built-in analyzer or define a custom analyzer in your Elasticsearch settings. Make sure the analyzer name is spelled correctly and exists in your configuration. If you’re using a custom analyzer, ensure it’s properly defined with the correct type and filters.

This guide will help you check for common problems that cause the log ” [” + SimpleQueryStringBuilder.NAME + “] analyzer [ ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index, query.

Log Context

Log “[” + SimpleQueryStringBuilder.NAME + “] analyzer [” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 if (analyzer == null) {
 sqp = new SimpleQueryStringQueryParser(resolvedFieldsAndWeights; flags; newSettings; context);
 } else {
 Analyzer luceneAnalyzer = context.getIndexAnalyzers().get(analyzer);
 if (luceneAnalyzer == null) {
 throw new QueryShardException(context; "[" + SimpleQueryStringBuilder.NAME + "] analyzer [" + analyzer
 + "] not found");
 sqp = new SimpleQueryStringQueryParser(luceneAnalyzer; resolvedFieldsAndWeights; flags; newSettings; context);


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