Host list for ” + hostsSetting.getKey() + ” is empty – Elasticsearch Error How To Solve Related Issues



Host list for ” + hostsSetting.getKey() + ” is empty – 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 “host list for ” + hostsSetting.getKey() + ” is empty” 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: hosts, plugin.


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”host list for [” + hostsSetting.getKey() + “] is empty”classname  is Exporter.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

// if the type is http; then hosts must be set
  final String namespace = TYPE_SETTING.getNamespace(TYPE_SETTING.getConcreteSetting(key));
  final Setting> hostsSetting = HttpExporter.HOST_SETTING.getConcreteSettingForNamespace(namespace);
  @SuppressWarnings("unchecked") final List hosts = (List) settings.get(hostsSetting);
  if (hosts.isEmpty()) {
  throw new SettingsException("host list for [" + hostsSetting.getKey() + "] is empty");
  }
  break;
  case "local":
  break;
  default:

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 :

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