Failed to store eql search results for – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.9-7.15

Briefly, this error occurs when Elasticsearch is unable to save the results of an Event Query Language (EQL) search due to issues like insufficient disk space, incorrect permissions, or network connectivity problems. To resolve this, ensure there’s enough disk space and the Elasticsearch has the necessary permissions to write to the disk. Also, check the network connectivity between the Elasticsearch nodes. If the issue persists, consider increasing the timeout value or optimizing your EQL queries for better performance.

This guide will help you check for common problems that cause the log ” failed to store eql search results for [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: search, plugin.

Log Context

Log “failed to store eql search results for [{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                        Throwable cause = ExceptionsHelper.unwrapCause(exc);
                        if (cause instanceof DocumentMissingException == false &&
                            cause instanceof VersionConflictEngineException == false) {
                            logger.error(() -> new ParameterizedMessage("failed to store eql search results for [{}]";
                                searchTask.getExecutionId().getEncoded()); exc);
                        if (finalListener != null) {


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