Non-failed nodes do not form a quorum – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

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This guide will help you check for common problems that cause the log ” non-failed nodes do not form a quorum ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cluster.


Log Context

Log “non-failed nodes do not form a quorum”classname  is 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"); -> pt.setFailed(e));


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