Failed to execute progress listener on fetch result – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-1.1

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Briefly, this error occurs when OpenSearch fails to execute a progress listener while fetching results. This could be due to a network issue, a problem with the listener itself, or a bug in the OpenSearch software. To resolve this issue, you can try the following: 1) Check your network connection and ensure it’s stable. 2) Review the listener’s code for any errors or inconsistencies. 3) Update your OpenSearch software to the latest version to fix any potential bugs. 4) If the error persists, consider seeking help from the OpenSearch community or support team.

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This guide will help you check for common problems that cause the log ” [{}] Failed to execute progress listener on fetch result ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: search.

Log Context

Log “[{}] Failed to execute progress listener on fetch result” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

    final void notifyFetchResult(int shardIndex) {
        try {
        } catch (Exception e) {
            logger.warn(() -> new ParameterizedMessage("[{}] Failed to execute progress listener on fetch result";
                shards.get(shardIndex)); e);

    final void notifyFetchFailure(int shardIndex; SearchShardTarget shardTarget; Exception exc) {


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