How To Solve Issues Related to Log – Not enough master nodes discovered during pinging found ; but needed ; pinging again

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Troubleshooting background

To troubleshoot Elasticsearch log “Not enough master nodes discovered during pinging found ; but needed ; pinging again” it’s important to know common problems related to Elasticsearch concepts: discovery, master. See below-detailed explanations complete with common problems, examples and useful tips.

To help troubleshoot related issues we have gathered selected Q&A from the community and issues from Github , please review the following for further information :

not enough master nodes discovered during pinging – Elasticsearch cluster self signed certificate

Number of Views : 0.20 K  Score on Stackoverflow :

Elasticsearch Not Enough Master Nod


Log Context

Log ”Not enough master nodes discovered during pinging found ; but needed ; pinging again” classname is
We have extracted the following from Elasticsearch source code to get an in-depth context :

                 final ElectMasterService.MasterCandidate winner = electMaster.electMaster(masterCandidates);
                logger.trace("candidate {} won election"; winner);
                return winner.getNode();
            } else {
                // if we don't have enough master nodes; we bail; because there are not enough master to elect from
                logger.warn("not enough master nodes discovered during pinging (found [{}]; but needed [{}]); pinging again";
                            masterCandidates; electMaster.minimumMasterNodes());
                return null;
        } else {
            assert !activeMasters.contains(localNode) :

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