Error while executing search – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.8-8.9

Briefly, this error occurs when Elasticsearch encounters an issue while performing a search operation. This could be due to a variety of reasons such as incorrect query syntax, insufficient memory, or unavailability of the targeted index. To resolve this, ensure your query syntax is correct and the targeted index exists. If the issue persists, consider increasing the memory allocation for Elasticsearch or check for any hardware issues. Also, ensure that your Elasticsearch cluster is properly configured and all nodes are functioning correctly.

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

Log Context

Log “error while executing search” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 public void onFailure(Exception exc) {
 // if the failure occurred before calling onListShards
 searchResponse.compareAndSet(null; new MutableSearchResponse(-1; -1; null; threadPool.getThreadContext()));
 .updateWithFailure(new ElasticsearchStatusException("error while executing search"; ExceptionsHelper.status(exc); exc));


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