Incoming term applyCommit getTerm does not match last accepted 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 incoming term and the last accepted term in Elasticsearch. This usually happens during a cluster state update or when a new node tries to join the cluster. To resolve this issue, you can try the following: 1) Restart the node that is causing the error. 2) Check the cluster health and ensure all nodes are in sync. 3) If the error persists, you may need to remove the problematic node from the cluster and re-add it.

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This guide will help you check for common problems that cause the log ” incoming term ” + applyCommit.getTerm() + ” does not match last accepted 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 ” + applyCommit.getTerm() + ” does not match last accepted term ” class name is CoordinationState.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 }
 if (applyCommit.getTerm() != getLastAcceptedTerm()) {
 logger.debug("handleCommit: ignored commit request due to term mismatch " +
 "(expected: [term {} version {}]; actual: [term {} version {}])";
 getLastAcceptedTerm(); getLastAcceptedVersion(); applyCommit.getTerm(); applyCommit.getVersion());
 throw new CoordinationStateRejectedException("incoming term " + applyCommit.getTerm() + " does not match last accepted term " +
 getLastAcceptedTerm());
 }
 if (applyCommit.getVersion() != getLastAcceptedVersion()) {
 logger.debug("handleCommit: ignored commit request due to version mismatch (term {}; expected: [{}]; actual: [{}])";
 getLastAcceptedTerm(); getLastAcceptedVersion(); applyCommit.getVersion());

 

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