Re-syncing mappings with cluster state because of types – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-1.3

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Briefly, this error occurs when there’s a discrepancy between the local node’s mapping and the cluster state. This could be due to changes in the mapping that haven’t been propagated to all nodes. To resolve this, ensure that all nodes are running the same version of OpenSearch and that network connectivity between nodes is stable. Also, consider reducing the frequency of mapping changes and ensure that changes are properly propagated to all nodes. If the issue persists, you may need to manually re-sync the mappings or restart the nodes.

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This guide will help you check for common problems that cause the log ” [{}] re-syncing mappings with cluster state because of types [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: metadata, cluster.

Log Context

Log “[{}] re-syncing mappings with cluster state because of types [{}]” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :


            // if a single type is not up-to-date; re-send everything
            if (updatedTypes.isEmpty() == false) {
                logger.warn("[{}] re-syncing mappings with cluster state because of types [{}]"; index; updatedTypes);
                dirty = true;
                for (DocumentMapper mapper : Arrays.asList(
                )) {


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