Unexpected token ” + token + “; expected – 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 + “; expected ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: Node.

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 + “]; expected [{]”classname  is StoredScriptSource.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

XContentParser parser = xContentType.xContent()
 .createParser(NamedXContentRegistry.EMPTY; LoggingDeprecationHandler.INSTANCE; stream)) {
 Token token = parser.nextToken(); 
 if (token != Token.START_OBJECT) {
 throw new ParsingException(parser.getTokenLocation(); "unexpected token [" + token + "]; expected [{]");
 } 
 token = parser.nextToken(); 
 if (token == Token.END_OBJECT) {

 

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