Non-failed nodes do not form a quorum – Elasticsearch Error How To Solve Related Issues


Non-failed nodes do not form a quorum – Elasticsearch Error How To Solve Related Issues

Opster Team

July-20, 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 that cause many errors.

This guide will help you check for common problems that cause the log ” non-failed nodes do not form a quorum ” 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: cluster.

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 pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

Log”non-failed nodes do not form a quorum”classname  is Publication.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

}
 
  if (isPublishQuorum(possiblySuccessfulNodes) == false) {
  logger.debug("onPossibleCommitFailure: non-failed nodes {} do not form a quorum; so {} cannot succeed";
  possiblySuccessfulNodes; this);
  Exception e = new FailedToCommitClusterStateException("non-failed nodes do not form a quorum");
  publicationTargets.stream().filter(PublicationTarget::isActive).forEach(pt -> pt.setFailed(e));
  onPossibleCompletion();
  }
  }

 

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