Failed to reroute routing table current state n – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch is unable to reroute the routing table due to issues like network problems, node failures, or configuration errors. To resolve this, you can try the following: 1) Check the network connectivity between the nodes. 2) Verify the health status of the nodes and restart any failed ones. 3) Review the cluster settings and correct any misconfigurations. 4) If the issue persists, consider increasing the cluster reroute timeout setting.

This guide will help you check for common problems that cause the log ” failed to reroute routing table; current state:\n ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: routing, cluster.

Log Context

Log “failed to reroute routing table; current state:\n” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                if (pendingRerouteListeners == currentListeners) {
                    pendingRerouteListeners = null;
            ClusterState state = clusterService.state();
            logger.warn(() -> "failed to reroute routing table; current state:\n" + state; e);
                new ElasticsearchException("delayed reroute [" + reason + "] could not be submitted"; e)