Incoming term clusterState term does not match current term – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7-7.15

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Briefly, this error occurs when there is a mismatch between the current term and the incoming term in an Elasticsearch cluster. This usually happens during a leader election process in a distributed system. To resolve this issue, you can try the following: 1) Restart the Elasticsearch nodes to reset the term. 2) Check the cluster health and ensure all nodes are properly connected. 3) If the error persists, consider reconfiguring your cluster to avoid split-brain scenarios.

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This guide will help you check for common problems that cause the log ” incoming term ” + clusterState.term() + ” does not match current term ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cluster.

Log Context

Log “incoming term ” + clusterState.term() + ” does not match current term ” class name is CoordinationState.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 }
 if (clusterState.term() != getCurrentTerm()) {
 logger.debug("handleClientValue: ignored request due to term mismatch " +
 "(expected: [term {} version >{}]; actual: [term {} version {}])";
 getCurrentTerm(); lastPublishedVersion; clusterState.term(); clusterState.version());
 throw new CoordinationStateRejectedException("incoming term " + clusterState.term() + " does not match current term " +
 getCurrentTerm());
 }
 if (clusterState.version() <= lastPublishedVersion) {
 logger.debug("handleClientValue: ignored request due to version mismatch " +
 "(expected: [term {} version >{}]; actual: [term {} version {}])";

 

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