Unexpected token ” + token + “; expected – Elasticsearch Error How To Solve Related Issues



Unexpected token ” + token + “; expected – Elasticsearch Error How To Solve Related Issues

Updated: July-20

Elasticsearch Version: 1.7-8.0

 

Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up  which can resolve issues causing many errors 

 

This guide will help you check for common problems that cause the log “unexpected token ” + token + “; expected” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: .


Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to discover the cause of many errors and provides suitable actionable recommendations (free tool that requires no installation). 

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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