Failed to execute failure callback for chunk request – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.3-8.9

Briefly, this error occurs when Elasticsearch fails to execute a callback function after a chunk request. This could be due to a network issue, a node failure, or a problem with the callback function itself. To resolve this issue, you can try to identify and fix any network issues, ensure all nodes are functioning properly, or debug the callback function to identify and fix any issues. Additionally, checking the Elasticsearch logs can provide more detailed information about the error, which can help in troubleshooting.

This guide will help you check for common problems that cause the log ” failed to execute failure callback for chunk request ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, repository, request.

Log Context

Log “failed to execute failure callback for chunk request” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                                threadPool.generic().execute(() -> {
                                    try {
                                    } catch (Exception ex) {
                                        logger.warn("failed to execute failure callback for chunk request"; e);
                        }; ccrSettings.getRecoveryActionTimeout(); ThreadPool.Names.GENERIC; GetCcrRestoreFileChunkAction.INTERNAL_NAME)


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