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

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

return PARSER.apply(parser; null).build(false);
  } else {
  throw new ParsingException(parser.getTokenLocation(); "unexpected token [" + token + "]; expected [{; ]");
  } else {
  throw new ParsingException(parser.getTokenLocation(); "unexpected field [" + name + "]; expected [" +
  SCRIPT_PARSE_FIELD.getPreferredName() + "]");
  } catch (IOException ioe) {
  throw new UncheckedIOException(ioe);

Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 Jackson Error Unexpected character ('}' (code 125)) -views 37,464 ,score 18

{"errorMessages":["Unexpected character (''' (code 39)): expected a valid value -views   18,626,score 13

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