Bulk request execution failure – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 8.5-8.9

Briefly, this error occurs when Elasticsearch is unable to execute a bulk request due to reasons like insufficient memory, incorrect data format, or a network issue. To resolve this, you can increase the JVM heap size to provide more memory, ensure the data being indexed is in the correct format, or check the network connectivity between the nodes. Also, consider breaking down the bulk request into smaller parts to reduce the load on the system.

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

Log Context

Log “bulk request execution failure” class name is ApiKeyService.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 for (BulkItemResponse bulkItemResponse : bulkResponse.getItems()) {
 final String apiKeyId = bulkItemResponse.getId();
 if (bulkItemResponse.isFailed()) {
 new ElasticsearchException("bulk request execution failure"; bulkItemResponse.getFailure().getCause())
 } else {
 // Since we made an index request against an existing document; we can't get a NOOP or CREATED here
 assert bulkItemResponse.getResponse().getResult() == DocWriteResponse.Result.UPDATED;