Too many affix files exist for hunspell dictionary %s – 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 ” Too many affix files exist for hunspell dictionary %s ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: indices, analysis.

Log Context

Log “Too many affix files exist for hunspell dictionary [%s]”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

Path[] affixFiles = FileSystemUtils.files(dicDir; "*.aff");
 if (affixFiles.length == 0) {
 throw new ElasticsearchException(String.format(Locale.ROOT; "Missing affix file for hunspell dictionary [%s]"; locale));
 if (affixFiles.length != 1) {
 throw new ElasticsearchException(String.format(Locale.ROOT; "Too many affix files exist for hunspell dictionary [%s]"; locale));
 InputStream affixStream = null; 
 Path[] dicFiles = FileSystemUtils.files(dicDir; "*.dic");
 List dicStreams = new ArrayList<>(dicFiles.length);


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