Node closed while execution action for shard entry – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when an operation is attempted on a shard in OpenSearch, but the node that holds the shard is closed during the execution. This could be due to network issues, node failure, or the node being intentionally shut down. To resolve this, you can try restarting the node if it was unintentionally closed. If the issue persists, consider checking the health of your cluster and reallocating the shard to a different node. Also, ensure your network is stable to prevent unexpected node disconnections.

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This guide will help you check for common problems that cause the log ” node closed while execution action [{}] for shard entry [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: node, cluster, shard.

Log Context

Log “node closed while execution action [{}] for shard entry [{}]” classname is ShardStateAction.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :

                sendShardAction(actionName; state; request; listener);
            }

            @Override
            public void onClusterServiceClose() {
                logger.warn("node closed while execution action [{}] for shard entry [{}]"; actionName; request);
                listener.onFailure(new NodeClosedException(clusterService.localNode()));
            }

            @Override
            public void onTimeout(TimeValue timeout) {

 

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