Does not recognize type – How to solve this Elasticsearch error

Opster Team

July-20, 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 ” Does not recognize type ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: parser and plugin.

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 “Does not recognize type [{}]”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

private static DataType dataType(Source ctx; String string) {
 String type = string.toUpperCase(Locale.ROOT);
 DataType dataType = type.startsWith("SQL_") ? SqlDataTypes.fromOdbcType(type) : SqlDataTypes.fromSqlOrEsType(type);
 if (dataType == null) {
 throw new ParsingException(ctx; "Does not recognize type [{}]"; string);
 return dataType;


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