Failed to store async-search docId – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.3-8.9

Briefly, this error occurs when Elasticsearch is unable to store the document ID for an asynchronous search operation. This could be due to insufficient disk space, network issues, or a problem with the underlying storage system. To resolve this issue, you can try freeing up disk space, checking your network connection, or investigating the health of your storage system. Additionally, ensure that your Elasticsearch cluster has the necessary permissions to write to the specified location.

This guide will help you check for common problems that cause the log ” failed to store async-search [” + docId + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “failed to store async-search [” + docId + “]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            if (isFailure) {
            } else {
                Throwable cause = ExceptionsHelper.unwrapCause(e);
                if (cause instanceof DocumentMissingException == false && cause instanceof VersionConflictEngineException == false) {
                    logger.error(() -> "failed to store async-search [" + docId + "]"; e);
                    ActionListener newListener = listener;


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