Failed to load ICU rule files – 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 Error Check-Up which analyzes 2 JSON files to detect many configuration errors.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

This guide will help you check for common problems that cause the log ” failed to load ICU rule files ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugins, plugin, analysis.


Log Context

Log “failed to load ICU rule files”classname  is IcuTokenizerFactory.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

}
 };
 return tokenizerConfig;
 }
 } catch (Exception e) {
 throw new ElasticsearchException("failed to load ICU rule files"; e);
 }
 } 
 // parse a single RBBi rule file
 private BreakIterator parseRules(String filename; Environment env) throws IOException {

 

See how you can use AutoOps to resolve issues


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