Missing field name in graph vertices definition – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch is trying to create a graph but cannot find the field name in the vertices definition. This is usually due to a syntax error or omission in the request body. To resolve this issue, you should review your request body and ensure that all necessary fields, including the field name in the vertices definition, are correctly included and formatted. If the error persists, check your data schema to ensure the field exists and is accessible.

This guide will help you check for common problems that cause the log ” Missing field name in graph vertices definition ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: rest, plugin.

Log Context

Log “Missing field name in graph vertices definition” class name is RestGraphAction.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 throw new ElasticsearchParseException("Unknown numeric property: [" + fieldName + "]");
 if (field == null) {
 throw new ElasticsearchParseException("Missing field name in graph vertices definition"; token.name());
 VertexRequest vr = currentHop.addVertexRequest(field);
 if (includes != null) {
 for (TermBoost tb : includes.values()) {
 vr.addInclude(tb.getTerm(); tb.getBoost());


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