No longer leading this publication s term – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7-8.9

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Briefly, this error occurs when a node in an Elasticsearch cluster, which was previously the leader for a specific shard, loses its leadership status. This could be due to network issues, node failure, or a new leader election. To resolve this issue, you can try the following: 1) Check the health of your nodes and network, 2) Ensure your cluster has enough resources to handle the load, 3) Review your shard allocation settings to prevent frequent leader elections, and 4) Consider increasing the timeout settings if the issue is due to slow network or overloaded nodes.

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This guide will help you check for common problems that cause the log ” no longer leading this publication’s term: ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cluster.

Log Context

Log “no longer leading this publication’s term:” class name is Coordinator.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 logger.trace("handlePublishRequest: handling [{}] from [{}]"; publishRequest; sourceNode);  if (sourceNode.equals(getLocalNode()) && mode != Mode.LEADER) {
 // Rare case in which we stood down as leader between starting this publication and receiving it ourselves. The publication
 // is already failed so there is no point in proceeding.
 throw new CoordinationStateRejectedException("no longer leading this publication's term: " + publishRequest);
 }  final ClusterState localState = coordinationState.get().getLastAcceptedState();  if (localState.metadata().clusterUUIDCommitted()

 

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