No type specified for runtime field ” + fieldName + ” – How to solve this Elasticsearch error

Opster Team

March-22, Version: 1.7-8.0

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This guide will help you check for common problems that cause the log ” No type specified for runtime field ” + fieldName + ” ” 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 runtime field [” + fieldName + “]”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 Map propNode = new HashMap<>(((Map) entry.getValue()));
 Object typeNode = propNode.get("type");
 String type;
 if (typeNode == null) {
 throw new MapperParsingException("No type specified for runtime field [" + fieldName + "]");
 } else {
 type = typeNode.toString();
 Parser typeParser = parserContext.runtimeFieldParser(type);
 if (typeParser == null) {


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