No type specified for property multiFieldName – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when a multi-field in Elasticsearch is not assigned a type. Multi-fields are used to index the same field in different ways, and each way requires a specific type. To resolve this issue, you need to specify a type for the multi-field in your mapping. This could be a text, keyword, date, long, double, or any other valid Elasticsearch type. Also, ensure that the type is suitable for the data you are indexing.

This guide will help you check for common problems that cause the log ” no type specified for property [” + multiFieldName + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index.

Log Context

Log “no type specified for property [” + multiFieldName + “]” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 String type;
 Object typeNode = multiFieldNodes.get("type");
 if (typeNode != null) {
 type = typeNode.toString();
 } else {
 throw new MapperParsingException("no type specified for property [" + multiFieldName + "]");
 }  Mapper.TypeParser typeParser = parserContext.typeParser(type);
 if (typeParser == null) {
 throw new MapperParsingException("no handler for type [" + type + "] declared on field [" + multiFieldName + "]");


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