Expected one of or fields; but found none – Elasticsearch Error How To Solve Related Issues

Expected one of or fields; but found none – 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 “expected one of or fields; but found none” 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: reindex, index.

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”expected one of [{}] or [{}] fields; but found none”classname  is RestUpdateByQueryAction.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

throw new ElasticsearchParseException("Value must be of type String: [" + parameterName + "]");
  if (script == null) {
  throw new ElasticsearchParseException("expected one of [{}] or [{}] fields; but found none";
  ScriptType.INLINE.getParseField().getPreferredName(); ScriptType.STORED.getParseField().getPreferredName());
  assert type != null : "if script is not null; type should definitely not be null";
  if (type == ScriptType.STORED) {

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 elasticsearch.exceptions.RequestError: RequestError(400, 'mapper_parsing_exception', 'No handler for type [string] declared on field [texts]') -views 5,645 ,score 1

How to substitute all empty/blank values by "Others" in Elasticsearch? -views   1,268,score 1

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