Unexpected error while preparing to publish – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.17

Briefly, this error occurs when Elasticsearch encounters an issue while preparing to publish a new cluster state. This could be due to network issues, node failures, or configuration problems. To resolve this, you can check the cluster’s health and logs to identify any problematic nodes or network issues. If a node is down, restart it. If there’s a network issue, ensure proper connectivity. Also, verify your cluster’s configuration settings for any inconsistencies or errors. If the problem persists, consider increasing the cluster’s resilience by adding more nodes.

This guide will help you check for common problems that cause the log ” unexpected error while preparing to publish ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: discovery.

Log Context

Log “unexpected error while preparing to publish” class name is PublishClusterStateAction.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 } catch (Exception e) {
 throw new FailedToCommitClusterStateException("unexpected error while preparing to publish"; e);
 }  try {