Failed to execute pipeline for a bulk request – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-7.6

Briefly, this error occurs when Elasticsearch is unable to execute a pipeline for a bulk request. This could be due to a variety of reasons such as incorrect pipeline configuration, insufficient resources, or a problem with the data being processed. To resolve this issue, you can check the pipeline configuration for errors, ensure that Elasticsearch has enough resources (like memory and CPU), and verify the integrity of the data being processed. If the problem persists, consider breaking down the bulk request into smaller parts to ease the load on the system.

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

Log Context

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

            () -> bulkRequestModifier;
            (originalThread; exception) -> {
                if (exception != null) {
                    logger.error("failed to execute pipeline for a bulk request"; exception);
                } else {
                    long ingestTookInMillis = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - ingestStartTimeInNanos);
                    BulkRequest bulkRequest = bulkRequestModifier.getBulkRequest();
                    ActionListener actionListener = bulkRequestModifier.wrapActionListenerIfNeeded(ingestTookInMillis;


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