Before you dig into reading this guide, have you tried asking OpsGPT what this log means? You’ll receive a customized analysis of your log.
Try OpsGPT now for step-by-step guidance and tailored insights into your Elasticsearch operation.
Briefly, this error occurs when Elasticsearch is unable to load International Components for Unicode (ICU) rule files, which are essential for handling Unicode text and providing Unicode services. This could be due to missing or incorrectly configured ICU plugin. To resolve this issue, you can try reinstalling the ICU plugin, ensuring that the plugin is compatible with your Elasticsearch version. Also, check the file permissions and paths to ensure Elasticsearch can access the ICU rule files. Lastly, verify your Elasticsearch configuration settings related to ICU.
For a complete solution to your to your search operation, try for free AutoOps for Elasticsearch & OpenSearch . With AutoOps and Opster’s proactive support, you don’t have to worry about your search operation – we take charge of it. Get improved performance & stability with less hardware.
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: plugin, plugins, analysis.
Log Context
Log “failed to load ICU rule files” class name 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 {
