Failed to execute bulk request executionId – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.17-8.9

Briefly, this error occurs when Elasticsearch is unable to execute a bulk request due to reasons like insufficient memory, incorrect data format, or a timeout. To resolve this, you can increase the heap size or memory allocation for Elasticsearch, ensure the data being sent matches the index mapping, or increase the timeout limit. Also, consider breaking down the bulk request into smaller chunks to reduce the load on the server.

This guide will help you check for common problems that cause the log ” Failed to execute bulk request ” + executionId + “. ” 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 bulk request ” + executionId + “.” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        } catch (InterruptedException e) {
   -> "Bulk request " + executionId + " has been cancelled."; e);
            listener.afterBulk(executionId; bulkRequest; e);
        } catch (Exception e) {
            logger.warn(() -> "Failed to execute bulk request " + executionId + "."; e);
            listener.afterBulk(executionId; bulkRequest; e);
        } finally {
            if (bulkRequestSetupSuccessful == false) {  // if we fail on client.bulk() release the semaphore


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