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

Opster Team

Aug-23, Version: 7.6-7.15

Briefly, this error occurs when Elasticsearch encounters an issue while executing a progress listener during a fetch operation. This could be due to a variety of reasons such as network issues, insufficient resources, or a bug in the code. To resolve this issue, you can try the following: 1) Check the network connectivity and ensure that there are no interruptions. 2) Verify that the system has enough resources (CPU, memory, disk space) to execute the operation. 3) Review the code for any potential bugs or issues that could be causing the error.

This log is related to search problems, in addition to reading the guide below you can use the free Search Log Analyzer. With Opster’s Analyzer, you can easily locate slow searches and understand what led to them adding additional load to your system. The tool is free and takes just 2 minutes to run.

Log Context

Log “[{}] Failed to execute progress listener on fetch result” classname is
We extracted the following from Elasticsearch 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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