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

Opster Team

August-23, Version: 6.8-8.9

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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.

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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 TypeParsers.java. 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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