Failed to load analyzer for name – How to solve this Elasticsearch error

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Failed to load analyzer for name – How to solve this Elasticsearch error

Opster Team

March-22, 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 ” failed to load analyzer for name ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index, analysis.

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 “failed to load analyzer for name”classname  is AnalysisRegistry.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

AnalysisModule.AnalysisProvider provider = analyzers.get(analyzer);
 return provider == null ? null : cachedAnalyzer.computeIfAbsent(analyzer; (key) -> {
 try {
 return provider.get(environment; key).get();
 } catch (IOException ex) {
 throw new ElasticsearchException("failed to load analyzer for name " + key; ex);
 }
 });
 }
 return analyzerProvider.get(environment; analyzer).get();
 }

 

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