Failed to create async-search index – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.7-7.7

Briefly, this error occurs when Elasticsearch is unable to create an asynchronous search index due to issues like insufficient permissions, lack of disk space, or a misconfigured index setting. To resolve this, you can check and adjust the user permissions, ensure there’s enough disk space, or review and correct the index settings. Additionally, check the Elasticsearch logs for more detailed error information. If the issue persists, consider restarting the Elasticsearch service.

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

Log Context

Log “failed to create async-search index” classname is AsyncSearchIndexService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                        resp -> listener.onResponse(null);
                        exc -> {
                            if (ExceptionsHelper.unwrapCause(exc) instanceof ResourceAlreadyExistsException) {
                                listener.onResponse(null);
                            } else {
                                logger.error("failed to create async-search index"; exc);
                                listener.onFailure(exc);
                            }
                        }));
            } catch (Exception exc) {
                logger.error("failed to create async-search index"; exc);

 

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