Failed to load settings from ” + source + ” – Elasticsearch Error How To Solve Related Issues

Failed to load settings from ” + source + ” – 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 “Failed to load settings from ” + source + “” 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: source, settings.

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”Failed to load settings from [” + source + “]”classname  is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

public Builder loadFromSource(String source; XContentType xContentType) {
  try (XContentParser parser = XContentFactory.xContent(xContentType)
  .createParser(NamedXContentRegistry.EMPTY; LoggingDeprecationHandler.INSTANCE; source)) {
  this.put(fromXContent(parser; true; true));
  } catch (Exception e) {
  throw new SettingsException("Failed to load settings from [" + source + "]"; e);
  return this;


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 Attempt to index document gives error: "only value lists are allowed in serialized settings" -views 2,577 ,score 2

ElasticSearch true Error on start -views   356,score 1



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