Successfully cleared voting config exclusion and decommissioned attribute – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 2.5-2.9

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Briefly, this error occurs when an OpenSearch node is removed from the cluster and its voting configuration exclusion is cleared. This is part of the process of safely removing a node from a cluster. It’s not necessarily an error, but an informational message. If you didn’t intend to remove a node, check your cluster settings and node configurations. If a node was unintentionally removed, you can add it back to the cluster. If the message keeps appearing, ensure that your cluster health is stable and no nodes are unintentionally fluctuating in and out of the cluster.

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This guide will help you check for common problems that cause the log ” successfully cleared voting config exclusion and decommissioned attribute ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: cluster.

Log Context

Log “successfully cleared voting config exclusion and decommissioned attribute” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :


            public void clusterStateProcessed(String source; ClusterState oldState; ClusterState newState) {
      "successfully cleared voting config exclusion and decommissioned attribute");
                assert newState.metadata().decommissionAttributeMetadata() == null;
                assert newState.coordinationMetadata().getVotingConfigExclusions().isEmpty();
                listener.onResponse(new DeleteDecommissionStateResponse(true));


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