Unexpected token ” + token + ” found after the main object. – 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 ” Unexpected token ” + token + ” found after the main object. ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: search.

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 “Unexpected token [” + token + “] found after the main object.”classname  is SearchSourceBuilder.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 if (checkTrailingTokens) {
 token = parser.nextToken();
 if (token != null) {
 throw new ParsingException(parser.getTokenLocation(); "Unexpected token [" + token + "] found after the main object.");
 public XContentBuilder innerToXContent(XContentBuilder builder; Params params) throws IOException {


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