Operation only allowed when not closed – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many configuration errors.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

This guide will help you check for common problems that cause the log ” operation only allowed when not closed ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: shard and index.

Log Context

Log “operation only allowed when not closed”classname  is IndexShard.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 private void verifyNotClosed(Exception suppressed) throws IllegalIndexShardStateException {
 IndexShardState state = this.state; // one time volatile read
 if (state == IndexShardState.CLOSED) {
 final IllegalIndexShardStateException exc = new IndexShardClosedException(shardId; "operation only allowed when not closed");
 if (suppressed != null) {
 throw exc;


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