Error sending cluster state to – How to solve related issues

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Error sending cluster state to – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Error sending cluster state to ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: cluster and discovery.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context


Log “Error sending cluster state to {}” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                                 sendingController.onNodeSendFailed(node; exp);
        } catch (Exception e) {
            logger.warn(() -> new ParameterizedMessage("error sending cluster state to {}"; node); e);
            sendingController.onNodeSendFailed(node; e);

    private void sendCommitToNode(final DiscoveryNode node; final ClusterState clusterState; final SendingController sendingController) {


Run the Check-Up to get a customized report like this:

Analyze your cluster